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CN109088661B - Power control method based on multi-beam, user terminal and base station - Google Patents

Power control method based on multi-beam, user terminal and base station Download PDF

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Publication number
CN109088661B
CN109088661B CN201710448516.6A CN201710448516A CN109088661B CN 109088661 B CN109088661 B CN 109088661B CN 201710448516 A CN201710448516 A CN 201710448516A CN 109088661 B CN109088661 B CN 109088661B
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power
uplink
transmitting
uplink transmission
transmission beam
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CN109088661A (en
Inventor
吴昱民
孙晓东
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201710448516.6A priority Critical patent/CN109088661B/en
Priority to PCT/CN2018/090605 priority patent/WO2018228318A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365—Power headroom reporting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention relates to a power control method based on multi-beam, a user terminal and a base station, wherein the method comprises the following steps: configuring power control parameters of uplink transmission beams of the UE; transmitting the power control parameter to the UE; receiving the power margin and/or the maximum transmitting power of an uplink transmitting beam transmitted by UE; performing power control according to the received power margin and/or the maximum transmitting power of the uplink transmitting beam; and the UE calculates the power margin and/or the maximum transmitting power of the uplink transmitting beam according to the received power control parameter of the uplink transmitting beam. The embodiment of the invention can control the power on different uplink transmission beams (or uplink transmission beam pairs, or uplink transmission beam groups or uplink transmission beam sets) according to the power margin and/or the maximum transmission power fed back by the UE, thereby realizing more accurate power control on different beams by a network side.

Description

Power control method based on multi-beam, user terminal and base station
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a power control method based on multiple beams, a user terminal and a base station.
Background
In a future 5G (5Generation, fifth Generation) mobile communication system, high frequency communication and large-scale antenna technology will be introduced to achieve the target of 20Gbps for downlink transmission rate and 10Gbps for uplink transmission rate. High-frequency communication can provide wider system bandwidth, and the size of the antenna can be smaller, which is more beneficial to the deployment of large-scale antennas in base stations and User Equipments (UEs). The Multi-beam/Multi-TRP (Multi-beam/Multi-transmitting node) transmission and reception at the base station side can be widely applied. Taking NR (New Radio ) PUSCH (Physical Uplink shared Channel) as an example, the Uplink Multi-beam transmission is schematically shown in fig. 1.
In the system, the UE triggers PHR (Power Headroom Report) reporting according to a trigger condition specified by a protocol. The content reported in the PHR includes: cell Power Headroom (PH); cell maximum transmission power (Pcmax. c)
However, when the UE performs data transmission on different beams, the network side cannot perform power control on different beams.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a multi-beam-based power control method, a user terminal, and a base station, so as to solve a problem that a network side cannot perform power control on different beams.
The embodiment of the invention provides a multi-beam-based power control method, which is applied to a base station and comprises the following steps:
configuring power control parameters of uplink transmission beams of User Equipment (UE);
sending the power control parameter to the UE;
receiving the power margin and/or the maximum transmitting power of an uplink transmitting beam sent by the UE;
performing power control according to the received power margin and/or the maximum transmitting power of the uplink transmitting beam;
wherein the power headroom and/or the maximum transmission power of the uplink transmission beam are calculated by the UE according to the received power control parameter of the uplink transmission beam.
The embodiment of the invention also provides a multi-beam-based power control method, which is applied to User Equipment (UE) and comprises the following steps:
acquiring a power control parameter of an uplink transmission beam configured for the UE by a base station;
calculating the power margin and/or the maximum transmitting power of the uplink transmitting wave beam according to the power control parameter;
and sending the power margin and/or the maximum transmitting power of the uplink transmitting beam to the base station.
An embodiment of the present invention further provides a base station, including:
a configuration module, configured to configure a power control parameter of an uplink transmission beam of a user equipment UE;
a first sending module, configured to send the power control parameter to the UE;
a first receiving module, configured to receive a power headroom and/or a maximum transmit power of an uplink transmit beam sent by the UE;
the control module is used for carrying out power control according to the received power margin and/or the maximum transmitting power of the uplink transmitting beam;
wherein the power headroom and/or the maximum transmission power of the uplink transmission beam are calculated by the UE according to the received power control parameter of the uplink transmission beam.
The embodiment of the present invention further provides a user equipment UE, including:
a second receiving module, configured to obtain a power control parameter of an uplink transmission beam configured for the UE by a base station;
a first calculating module, configured to calculate a power headroom and/or a maximum transmit power of an uplink transmission beam according to the power control parameter;
and a second sending module, configured to send the power headroom and/or the maximum transmission power of the uplink sending beam to the base station.
An embodiment of the present invention further provides a user terminal, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the multi-beam based power control method when executing the program.
An embodiment of the present invention further provides a base station, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the multi-beam based power control method when executing the program.
An embodiment of the present invention further provides a computer-readable storage medium, on which a data transmission program is stored, and the data transmission program, when executed by a processor, implements the steps in the multi-beam based power control method.
The embodiment of the invention provides a multi-beam-based power control method, a user terminal and a base station, wherein the user terminal can calculate related power headroom and/or maximum transmitting power according to different beams according to power control parameters configured by a network side, so that the network side can perform power control on different beams according to the power headroom and/or the maximum transmitting power fed back by the user terminal, and the network side can realize more accurate power control on different beams.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic diagram of NR PUSCH multi-beam transmission;
fig. 2 is a flow chart of a multi-beam based power control method according to an embodiment of the present invention;
fig. 3 is a flow chart of a multi-beam based power control method according to another embodiment of the present invention;
fig. 4 is a flow chart of a multi-beam based power control method according to another embodiment of the present invention;
fig. 5 is a flow chart of a multi-beam based power control method according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a UE according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a base station according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a UE according to another embodiment of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this invention, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, the Base Station may be a Base Transceiver Station (BTS) in Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), an evolved Node B (eNB or eNodeB) in LTE, a Base Station in New radio Access technology (New RAT or NR), a relay Station or Access point, or a Base Station in a future 5G network, and the like, which is not limited herein.
In this embodiment, the UE may be a wireless terminal or a wired terminal, and the wireless terminal may be a device providing voice and/or other service data connectivity to a user, a handheld device having a wireless connection function, or other processing device connected to a wireless modem. Wireless terminals, which may be mobile terminals such as mobile telephones (or "cellular" telephones) and computers having mobile terminals, such as portable, pocket, hand-held, computer-included, or vehicle-mounted mobile devices, may communicate with one or more core networks via a Radio Access Network (RAN), which may exchange language and/or data with the RAN. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, and Personal Digital Assistants (PDAs). A wireless Terminal may also be referred to as a system, a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), and a User Device or User Equipment (User Equipment), which are not limited herein.
Referring to fig. 2, a flow chart of a multi-beam-based power control method is shown, which is applied to a base station supporting multi-beam data transceiving, and includes the following specific steps:
step 201, configuring power control parameters of uplink transmission beams of the UE;
the UE supports multi-beam data transmission and reception.
The uplink transmission beam may be a single uplink transmission beam, or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set.
Step 202, sending the power control parameter to the UE;
in this embodiment, the UE may calculate the power headroom and/or the maximum transmission power of the uplink transmission beam according to the received power control parameter of the uplink transmission beam.
It should be noted that the uplink transmission beam is a single uplink transmission beam, an uplink transmission beam pair, an uplink transmission beam group, or an uplink transmission beam set.
Step 203, receiving the power margin and/or the maximum transmitting power of the uplink transmitting beam sent by the UE;
the power headroom of the uplink transmission beam is any one of the following:
only transmitting the power margin of an uplink transmission beam of an uplink data channel PUSCH;
the power margin of an uplink transmission beam supporting PUSCH and an uplink control channel PUCCH is supported;
supporting the power margin of an uplink transmission beam of an uplink sounding channel SRS;
and the power margin of an uplink transmission beam of the PRACH is supported.
And 204, performing power control according to the received power margin and/or the maximum transmission power of the uplink transmission beam.
Optionally, the power control parameter of the uplink transmission beam includes one or more of the following:
the identifier of the downlink wave beam which is referred to by path loss calculation corresponding to the uplink sending wave beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
Optionally, when the maximum transmit power of the uplink transmit beam after the power backoff is used by the UE is different from the maximum transmit power of the uplink transmit beam when the power backoff is not used by the UE, the maximum transmit power of the uplink transmit beam is the maximum transmit power of the uplink transmit beam after the power backoff is used.
In this embodiment, the UE may calculate the relevant power headroom and/or the maximum transmission power according to each different beam according to the power control parameter configured by the network side, so that the network side can perform power control on different beams according to the power headroom and/or the maximum transmission power fed back by the UE, thereby implementing more accurate power control on different beams by the network side.
Referring to fig. 3, a flow of a multi-beam-based power control method is shown, which is applied to a UE supporting multi-beam data transceiving, and includes the following specific steps:
301, obtaining a power control parameter of an uplink transmission beam configured for the UE by a base station;
the uplink transmission beam may be a single uplink transmission beam, or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set.
Optionally, the power control parameter of the uplink transmission beam includes one or more of the following:
the identifier of the downlink wave beam which is referred to by path loss calculation corresponding to the uplink sending wave beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
Step 302, calculating the power margin and/or the maximum transmitting power of the uplink transmitting beam according to the power control parameter;
step 303, sending the power headroom and/or the maximum transmission power of the uplink transmission beam to the base station.
Optionally, in step 302, when the maximum transmission power of the uplink transmission beam after the UE employs power backoff and the maximum transmission power of the uplink transmission beam when the UE does not employ power backoff are different, the maximum transmission power of the uplink transmission beam after power backoff is calculated.
Wherein, the value range of the maximum transmitting power of the uplink transmitting beam after the power backoff is as follows:
the minimum value of the transmitting power of the uplink transmitting beam after the power back-off is larger than or equal to, and the maximum value of the transmitting power of the uplink transmitting beam after the power back-off is smaller than or equal to;
the calculating the maximum transmission power of the uplink transmission beam after the power backoff comprises:
calculating the minimum value of the transmitting power of the uplink transmitting wave beam after the power is returned, and calculating the maximum value of the transmitting power of the uplink transmitting wave beam after the power is returned;
and selecting the maximum transmitting power of the uplink transmitting beam after power backoff according to the value range determined by the minimum value and the maximum value.
Optionally, in this embodiment, the calculating the maximum value of the transmission power of the uplink transmission beam after the power backoff includes:
and calculating to obtain the maximum value of the transmitting power of the uplink transmitting beam after the power is returned according to one or more items of the maximum transmitting power of the uplink transmitting beam configured by the network side, the power transmitting level of the UE on the frequency band and the UE power transmitting level offset.
The specific calculation method is as follows:
and selecting a minimum value from the maximum transmitting power of the uplink transmitting beam configured at the network side and the difference between the power transmitting level of the UE on the frequency band and the power transmitting level offset of the UE as the maximum value of the transmitting power after the power of the uplink transmitting beam is backed off.
Optionally, in this embodiment, calculating a minimum value of the transmission power of the uplink transmission beam after the power backoff, further includes:
and calculating the minimum value of the transmission power of the uplink transmission beam after power backoff according to one or more items of the maximum transmission power of the uplink transmission beam configured by the network side, the extra power offset determined according to the bandwidth of the transmission signal, the power transmission level of the UE on the frequency band, the power transmission level offset of the UE, the power backoff value determined by the UE, the extra power offset agreed by the protocol, and the maximum power backoff value agreed by the protocol.
The specific calculation method is as follows
Calculating the minimum value P of the transmitting power after the power of the uplink transmitting wave beam is retreated according to the following formulaCMAX_L，beam：
PCMAX_L，beam＝MIN{PEMAX，beam–ΔTC，beam，(PPowerClass–ΔPPowerClass)–MAX(MPRbeam+A-MPRbeam+ΔTIB，beam+ΔTC，beam+ΔTProSe，P-MPRbeam) }, wherein:
MPRbeamrepresents: the UE determines a power back-off value according to the Modulation and Coding Scheme (MCS) and the bandwidth of a transmission channel on the uplink transmission beam;
A-MPrbeam indicates: the UE determines an extra power back-off value according to the network side configuration and the Modulation Coding Scheme (MCS), the bandwidth, the frequency band and the number of the sending resources of the sending channel on the uplink sending beam;
ΔTIB，beamrepresents: the UE determines the extra power offset on the uplink transmission beam according to the power transmission level and the frequency band;
ΔTC，beamrepresents: an additional power offset determined by the protocol based on the bandwidth of the transmitted signal;
ΔTProSeto express: an additional power offset specified by the protocol when the UE supports point-to-point communication in the frequency band;
P-MPRbeamrepresents: protocol specified maximum power back-off value.
Optionally, in step 302: and calculating the power margin of the uplink sending beam only sending the uplink data channel according to the maximum sending power of the uplink sending beam after the power is returned and the sending power of the uplink sending beam only sending the uplink data channel.
The calculation method of the transmission power of the uplink transmission beam only transmitting the uplink data channel is as follows:
and calculating the transmitting power of the uplink transmitting beam only for transmitting the uplink data channel according to one or more of the transmitting resource of the uplink data channel of the uplink transmitting beam, the adjusting coding grade of the uplink data channel of the uplink transmitting beam, the nominal power of the uplink transmitting beam, the nominal power of the UE of the uplink data channel of the uplink transmitting beam, the offset indicated in the corresponding power control command of the uplink data channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink data channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam designated by the network side.
Optionally, in step 302: and calculating the power margin of the uplink transmission beam supporting the uplink data channel and the uplink control channel according to the maximum transmission power of the uplink transmission beam after the power backoff and the transmission power of the uplink transmission beam supporting the uplink data channel and the uplink control channel.
The calculation method of the transmission power of the uplink transmission beam supporting the uplink data channel and the uplink control channel is as follows:
according to the transmission resources of the uplink data channel and the uplink control channel of the uplink transmission beam, the adjusted coding level of the uplink data channel and the uplink control channel of the uplink transmission beam, and the nominal power of the uplink transmission beam of the uplink data channel and the uplink control channel of the uplink transmission beam, calculating the transmitting power of the uplink transmitting beam supporting the uplink data channel and the uplink control channel according to one or more of the UE nominal power of the uplink data channel and the uplink control channel of the uplink transmitting beam, the offset indicated in the power control command corresponding to the uplink data channel and the uplink control channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink data channel and the uplink control channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam appointed by the network side.
Optionally, in step 302: and calculating the power margin of the uplink sending beam supporting the uplink detection channel according to the maximum sending power of the uplink sending beam after the power back-off and the sending power of the uplink sending beam supporting the uplink detection channel.
The calculation method of the transmission power of the uplink transmission beam supporting the uplink sounding channel is as follows:
and calculating the transmitting power of the uplink transmitting beam supporting the uplink detecting channel according to one or more of the transmitting resource of the uplink detecting channel of the uplink transmitting beam, the adjusting coding grade of the uplink detecting channel of the uplink transmitting beam, the uplink transmitting beam nominal power of the uplink detecting channel of the uplink transmitting beam, the UE nominal power of the uplink detecting channel of the uplink transmitting beam, the offset indicated in the corresponding power control command of the uplink detecting channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink detecting channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam designated by the network side.
Optionally, in step 302: and calculating the power margin of the uplink sending wave beam supporting the random access channel according to the maximum sending power of the uplink sending wave beam after the power back-off and the sending power of the uplink sending wave beam supporting the random access channel.
The calculation method of the transmission power of the uplink transmission beam supporting the random access channel comprises the following steps:
and calculating the transmitting power of the uplink transmitting beam supporting the random access channel according to one or more of the transmitting resource of the random access channel of the uplink transmitting beam, the adjusting coding grade of the random access channel of the uplink transmitting beam, the nominal power of the uplink transmitting beam of the random access channel of the uplink transmitting beam, the nominal power of the UE of the random access channel of the uplink transmitting beam, the offset indicated in the corresponding power control command of the random access channel of the uplink transmitting beam configured by the network and the path loss offset of the random access channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam appointed by the network side.
In this embodiment, the UE may calculate the relevant power headroom and/or the maximum transmission power according to each different beam according to the power control parameter configured by the network side, so that the network side can perform power control on different beams according to the power headroom and/or the maximum transmission power fed back by the UE, thereby implementing more accurate power control on different beams by the network side.
Referring to fig. 4, the maximum transmission power (P) of the uplink transmission beam is shownCMAX，beam) The calculation process comprises the following specific steps:
step 401, a network side configures power control parameters corresponding to uplink transmission beams of UE;
the uplink transmission beam can be a single uplink transmission beam, or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set.
The power control parameter corresponding to the uplink transmission beam of the UE includes:
maximum transmission power (P) of the upstream transmission beamEMAX，beam) (ii) a And
power back-off indication information (e.g., extra power back-off A-MPR) of the uplink transmission beambeamGrade of).
Step 402, when the UE triggers the PHR report corresponding to the uplink transmission beam, if the UE adoptsIts maximum transmit power (P) on a certain uplink transmission beam after power backoffCMAX，beam) And when the maximum transmitting power on the uplink transmission beam is different from that when the power backoff is not adopted, the UE reports the maximum transmitting power (P) of the uplink transmission beam after the power backoffCMAX，beam)。
The method for determining the maximum transmission power (PCMAX, beam) of the beam transmitted in the uplink after the power backoff by the UE is to select a value within the power backoff range for the UE:
PCMAX_L，beam≤PCMAX，beam≤PCMAX_H，beam
PCMAX_H，beam: the maximum value of the transmission power is set back after the power of the uplink transmission beam is back.
PCMAX_L，beam: and the minimum value of the transmission power is returned after the power of the uplink transmission beam is returned.
Wherein the UE determines the maximum value (P) of the transmission power after the power backoff of the uplink transmission beamCMAX_H，beam) The method comprises the following steps:
PCMAX_H，beam＝MIN{PEMAX，beam，PPowerClass–ΔPPowerClass}
PEMAX，beam: the maximum transmitting power configured by the network on the uplink transmitting beam;
PPowerClass: a power transmission level of the UE on the frequency band;
ΔPPowerClass: UE power transmission level offset;
wherein the UE determines the minimum value (P) of the transmission power after the power backoff of the uplink transmission beamCMAX_L，beam) The method comprises the following steps:
PCMAX_L，beam＝MIN{PEMAX，beam–ΔTC，beam，(PPowerClass–ΔPPowerClass)–MAX(MPRbeam+A-MPRbeam+ΔTIB，beam+ΔTC，beam+ΔTProSe，P-MPRbeam)}
wherein,
MPRbeam: UE is based onA power back-off value determined by Modulation and Coding Scheme (MCS) and bandwidth of a transmission channel on the row sending beam;
A-MPRbeam: the UE determines an extra power back-off value according to the Modulation and Coding Scheme (MCS), the bandwidth, the frequency band and the quantity of the sending resources of the transmitting channel on the beam according to the configuration of the network side;
ΔTIB，beam: the UE determines the extra power offset on the uplink transmission beam according to the power transmission level and the frequency band;
ΔTC，beam: an additional power offset determined by the protocol based on the bandwidth of the transmitted signal;
ΔTProSe: an additional power offset specified by the protocol when the UE supports point-to-point communication (D2D) in the frequency band;
P-MPRbeam: protocol specified maximum power back-off value.
In this embodiment, the UE may calculate the relevant power headroom and/or the maximum transmit power according to each different beam according to the power control parameter configured by the network side, so that the network side can perform power control on different beams according to the feedback or the maximum transmit power of the UE, thereby implementing more accurate power control on different beams by the network side.
Referring to fig. 5, a flow of Power Headroom (PH) calculation of the uplink transmission beam is shown, and the specific steps are as follows:
step 501, configuring power control parameters corresponding to uplink transmission beams of the UE by a network side;
the uplink transmission beam can be a single uplink transmission beam, or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set.
In this embodiment, the power control parameters corresponding to the uplink transmission beam of the UE include:
the upstream sending beam corresponds to the path loss calculation reference beam mark (beam _ index);
calculating the reference signal original transmitting power (referenceSignalPower) of the beam of the reference by the path loss;
the offset (X) of the path loss corresponding to the upstream transmission beambeam)；
Maximum transmission power (P) of the upstream transmission beamEMAX，beam)；
Power back-off indication information (e.g., power back-off level) of the uplink transmission beam;
the beam nominal power (P0_ nominal _ PUSCH _ beam) of the data channel (e.g., PUSCH) of the upstream transmission beam;
the UE nominal power (P0_ UE _ PUSCH _ beam) of the data channel (e.g., PUSCH) of the uplink transmission beam;
the beam nominal power (P0_ nominal _ PUCCH _ beam) of the control channel (e.g., PUCCH) for the uplink transmission beam;
the UE nominal power (P0_ UE _ PUCCH _ beam) of the control channel (e.g., PUCCH) of the uplink transmission beam;
beam nominal power (P0_ nominal _ SRS _ beam) of the upstream probing channel for the upstream transmission beam;
the UE nominal power (P0_ UE _ SRS _ beam) of the uplink sounding channel of the uplink transmission beam;
the beam nominal power (P0_ nominal _ PRACH _ beam) of the random access channel (e.g., PRACH) of the upstream transmission beam.
The UE nominal power (P0_ UE _ PRACH _ beam) of the random access channel (for example, PRACH) of the upstream transmission beam.
Step 5021: when triggering PHR report corresponding to the uplink transmission beam, the UE calculates the power margin of the beam only transmitting the uplink data channel.
The method for controlling the beam power headroom (Type 1 PH) for transmitting only the uplink data channel (PUSCH) comprises the following steps:
PHtype1，beam(i)＝PCMAX，beam(i)–PPUSCH，beam(i)；
wherein, PHtype1，beam(i): a power headroom indicating an uplink transmission beam of an ith uplink-only data channel;
PCMAX，beam(i): represents the maximum transmission of beam at ith uplink after power backoffA transmission power;
PPUSCH，beam(i): represents the transmission power of the uplink transmission beam of the ith uplink-only data channel
PPUSCH，beam(i)Calculated by the following method:
the UE calculates the transmission power of the uplink data channel according to the transmission resource of the uplink data channel of the uplink transmission beam, the adjusted coding level of the uplink data channel of the uplink transmission beam, the beam nominal power of the uplink data channel of the uplink transmission beam, the UE nominal power of the uplink data channel of the uplink transmission beam, the offset indicated in the power control command corresponding to the uplink data channel of the uplink transmission beam configured by the network, and the path loss offset of the uplink data channel of the uplink transmission beam calculated by the UE according to the downlink path loss reference beam specified by the network side.
When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.
Step 5022: when triggering PHR report corresponding to beam, UE calculates beam power margin supporting uplink data channel (PUSCH) and uplink control channel (PUCCH).
The method for controlling beam power headroom (Type 2PH) supporting the uplink data channel and the uplink control channel comprises the following steps:
PHtype2，beam(i)＝PCMAX，beam(i)–Pbeam(i)；
wherein, PHtype2，beam(i): indicating a power headroom of an uplink transmission beam of an ith support uplink data channel (PUSCH) and an uplink control channel (PUCCH);
PCMAX，beam(i): representing the maximum transmitting power of beam transmitted on the ith uplink after the power is returned;
Pbeam(i): and the transmission power of the uplink transmission beam of the ith support uplink data channel and the uplink control channel is shown.
Pbeam(i)By the following meansCalculating to obtain:
the UE according to the transmission resources of the uplink data channel and the uplink control channel of the uplink transmission beam, the adjusted coding level of the uplink data channel and the uplink control channel of the uplink transmission beam, and the beam nominal power of the uplink data channel and the uplink control channel of the uplink transmission beam, the UE nominal power of the uplink data channel and uplink control channel of the uplink transmission beam, the offset indicated in the power control command corresponding to the uplink data channel and uplink control channel of the uplink transmission beam configured by the network, and the path loss offset of the uplink data channel and uplink control channel of the uplink transmission beam calculated by the UE according to the downlink path loss reference beam specified by the network side, obtain the transmission power of the uplink transmission beam (or uplink transmission beam pair, or uplink transmission beam group, or uplink transmission beam set) supporting the uplink data channel and uplink control channel.
When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.
Step 5023: and when triggering PHR report corresponding to the uplink transmission beam, the UE calculates the power margin of the uplink transmission beam supporting the uplink detection channel.
The method for controlling the beam power headroom (Type 3PH) supporting the uplink sounding channel (for transmitting the SRS (channel sounding reference signal)) includes:
PHtype3，beam(i)＝PCMAX，beam(i)–PSRS，beam(i)；
wherein, PHtype3，beam(i): indicating the power margin of the uplink transmission beam of the ith supporting uplink sounding channel;
PCMAX，beam(i): representing the maximum transmitting power of beam transmitted on the ith uplink after the power is returned;
PSRS，beam(i): and the transmission power of the uplink transmission beam of the ith supporting uplink sounding channel is shown.
PSRS，beam(i)The calculation method of (c) is as follows:
the UE calculates the obtained transmission power of the uplink data channel according to the transmission resource of the uplink sounding channel of the uplink transmission beam, the adjusted coding level of the uplink sounding channel of the uplink transmission beam, the beam nominal power of the uplink sounding channel of the uplink transmission beam, the UE nominal power of the uplink sounding channel of the uplink transmission beam, the offset indicated in the power control command corresponding to the uplink sounding channel of the uplink transmission beam configured by the network, and the path loss offset of the uplink sounding channel of the uplink transmission beam calculated by the UE according to the downlink path loss reference beam specified by the network side.
When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.
Step 5024: when triggering PHR report corresponding to the uplink transmission beam, the UE calculates the power margin of the uplink transmission beam supporting a random access channel (PRACH).
The method for controlling the power headroom (Type 4PH) of the uplink transmission beam supporting the random access channel comprises the following steps:
PHtype4，beam(i)＝PCMAX，beam(i)–PPRACH，beam(i)
wherein, PHtype4，beam(i)A power headroom of a random access channel representing an ith uplink transmission beam (or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set);
PCMAX，beam(i): representing the maximum transmitting power of beam transmitted on the ith uplink after the power is returned;
the uplink transmission beam can be called as: an uplink transmission beam pair, an uplink transmission beam group, or an uplink transmission beam set.
PPRACH，beam(i)And the transmission power of the uplink transmission beam of the ith supporting random access channel is shown.
PPRACH，beam(i)Calculated by the following method:
the UE calculates the obtained transmission power of the uplink data channel according to the transmission resource of the random access channel of the uplink transmission beam, the adjusted coding level of the random access channel of the uplink transmission beam, the beam nominal power of the random access channel of the uplink transmission beam, the UE nominal power of the random access channel of the uplink transmission beam, the offset indicated in the power control command corresponding to the random access channel of the uplink transmission beam configured by the network, and the path loss offset of the random access channel of the uplink transmission beam calculated by the UE according to the downlink path loss reference beam specified by the network side.
When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.
In this embodiment, the UE may calculate the relevant power headroom and/or the maximum transmit power according to each different beam according to the power control parameter configured by the network side, so that the network side can perform power control on different beams according to the power headroom fed back by the UE, thereby implementing more accurate power control on different beams by the network side.
Based on the same inventive concept, the embodiment of the present invention further provides a base station, and since the principle of the base station to solve the problem is similar to the multi-beam-based power control method in the embodiment of the present invention, the implementation of the base station may refer to the implementation of the method, and the repetition part is not repeated.
Referring to fig. 6, there is shown a structure of a base station, the base station 600 including:
a configuration module 601, configured to configure a power control parameter of an uplink transmission beam of a user equipment UE; the uplink transmission beam can be a single uplink transmission beam, or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set
A first sending module 602, configured to send a power control parameter to the UE;
a first receiving module 603, configured to receive a power headroom and/or a maximum transmit power of an uplink transmit beam sent by the UE;
a control module 604, configured to perform power control according to the received power headroom and/or maximum transmission power of the uplink transmission beam;
wherein the power headroom and/or the maximum transmission power of the uplink transmission beam are calculated by the UE according to the received power control parameter of the uplink transmission beam.
Wherein, the power margin of the uplink transmission beam is any one of the following:
only transmitting the power margin of an uplink transmission beam of an uplink data channel PUSCH;
the power margin of an uplink transmission beam supporting PUSCH and an uplink control channel PUCCH is supported;
supporting the power margin of an uplink transmission beam of an uplink sounding channel SRS;
and the power margin of an uplink transmission beam of the PRACH is supported.
In this embodiment, the power control parameter of the uplink transmission beam includes one or more of the following:
the identifier of the downlink wave beam which is referred to by path loss calculation corresponding to the uplink sending wave beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
Optionally, when the maximum transmit power of the uplink transmit beam after the power backoff is used by the UE is different from the maximum transmit power of the uplink transmit beam when the power backoff is not used by the UE, the maximum transmit power of the uplink transmit beam is the maximum transmit power of the uplink transmit beam after the power backoff is used.
It should be noted that the uplink transmission beam is a single uplink transmission beam, an uplink transmission beam pair, an uplink transmission beam group, or an uplink transmission beam set.
The base station provided in this embodiment may execute the method embodiments described above, and the implementation principle and technical effect are similar, which is not described herein again.
Based on the same inventive concept, the embodiment of the present invention further provides a UE, and since the principle of the UE to solve the problem is similar to the multi-beam-based power control method in the embodiment of the present invention, the implementation of the UE may refer to the implementation of the method, and the repetition part is not described again.
Referring to fig. 7, there is shown a structure of a UE, the UE700 comprising:
a second receiving module 701, configured to obtain a power control parameter of an uplink transmission beam configured by a base station for the UE; the uplink transmission beam may be a single uplink transmission beam, or an uplink transmission beam pair, or an uplink transmission beam group, or an uplink transmission beam set
A first calculating module 702, configured to calculate a power headroom and/or a maximum transmit power of an uplink transmission beam according to a power control parameter;
a second sending module 703 is configured to send the power headroom and/or the maximum transmission power of the uplink sending beam to the base station.
Optionally, the power control parameter of the uplink transmission beam includes one or more of the following:
the identifier of the downlink wave beam which is referred to by path loss calculation corresponding to the uplink sending wave beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
With continuing reference to fig. 7, optionally, the first computing module 702 includes:
a first calculating unit 7021, configured to calculate, when the maximum transmission power of the uplink transmission beam after the UE employs power backoff and the maximum transmission power of the uplink transmission beam when the UE does not employ power backoff are different, the maximum transmission power of the uplink transmission beam after power backoff;
optionally, a value range of the maximum transmission power of the uplink transmission beam after the power backoff is as follows:
greater than or equal to the minimum value of the transmission power of the uplink transmission beam after the power back-off, and
less than or equal to the maximum value of the transmitting power of the uplink transmitting wave beam after the power is returned;
with continued reference to fig. 7, the first computing unit 7021 includes:
a first calculating subunit 70211, configured to calculate a minimum value of the transmission power of the uplink transmission beam after power backoff;
a second calculating subunit 70212, configured to calculate a maximum value of the transmission power of the uplink transmission beam after power backoff;
a selecting subunit 70213, configured to select, according to the value range determined by the minimum value and the maximum value, the maximum transmit power of the uplink transmit beam after power backoff.
Optionally, the second calculating subunit 70212 is further configured to:
and calculating to obtain the maximum value of the transmitting power of the uplink transmitting beam after the power is returned according to one or more items of the maximum transmitting power of the uplink transmitting beam configured by the network side, the power transmitting level of the UE on the frequency band and the UE power transmitting level offset.
Optionally, the second calculating subunit 70212 is further configured to: and selecting a minimum value as the maximum value of the transmission power of the uplink transmission beam after power backoff from the maximum transmission power of the uplink transmission beam configured on the network side and the difference between the power transmission level of the UE on the frequency band and the power transmission level offset of the UE.
Optionally, the first computing subunit 70211 is further configured to:
calculating the minimum value of the transmission power of the uplink transmission beam after the power backoff according to one or more items of the maximum transmission power of the uplink transmission beam configured by the network side, the extra power offset determined according to the bandwidth of the transmission signal, the power transmission level of the UE on the frequency band, the power transmission level offset of the UE, the power backoff value determined by the UE, the extra power offset agreed by the protocol, and the maximum power backoff value agreed by the protocol.
Optionally, the first computing subunit 70211 is further configured to:
work is calculated according to the following formulaMinimum value P of transmission power of the uplink transmission beam after rate fallbackCMAX_L，beam：
PCMAX_L，beam＝MIN{PEMAX，beam–ΔTC，beam，(PPowerClass–ΔPPowerClass)–MAX(MPRbeam+A-MPRbeam+ΔTIB，beam+ΔTC，beam+ΔTProSe，P-MPRbeam) }, wherein:
MPRbeamrepresents: a power backoff value determined by the UE;
A-MPRbeamrepresents: an additional power backoff value determined by the UE;
ΔTIB，beamrepresents: an additional power offset determined by the UE;
ΔTC，beamrepresents: an additional power offset determined by the protocol based on the bandwidth of the transmitted signal;
ΔTProSe，represents: an additional power offset specified by the protocol when the UE supports point-to-point communication in the frequency band;
P-MPRbeamrepresents: protocol specified maximum power back-off value.
With continuing reference to fig. 7, optionally, the first computing module 702 further comprises:
a second calculating unit 7022 is configured to calculate, according to the maximum transmission power of the uplink transmission beam after the power backoff and the transmission power of the uplink transmission beam only transmitting the uplink data channel, a power margin of the uplink transmission beam only transmitting the uplink data channel.
With continuing reference to fig. 7, optionally, the UE700 further includes:
a second calculating module 704, configured to calculate, according to one or more of a transmission resource of an uplink data channel of the uplink transmission beam, an adjusted coding level of the uplink data channel of the uplink transmission beam, an uplink transmission beam nominal power of the uplink data channel of the uplink transmission beam, a UE nominal power of the uplink data channel of the uplink transmission beam, an offset indicated in a power control command corresponding to the uplink data channel of the uplink transmission beam configured by a network, and a path loss offset of the uplink data channel of the uplink transmission beam calculated by the UE according to a downlink path loss reference beam specified by the network side, to obtain a transmission power of an uplink transmission beam only transmitting the uplink data channel.
With continuing reference to fig. 7, optionally, the first computing module 702 further comprises:
a third calculating unit 7023, configured to calculate, according to the maximum transmission power of the uplink transmission beam after power backoff and the transmission power of the uplink transmission beam supporting the uplink data channel and the uplink control channel, a power headroom of the uplink transmission beam supporting the uplink data channel and the uplink control channel.
With continuing reference to fig. 7, optionally, the UE700 further includes:
a third calculating module 705, configured to, according to the transmission resources of the uplink data channel and the uplink control channel of the uplink transmission beam, the adjusted coding level of the uplink data channel and the uplink control channel of the uplink transmission beam, and the nominal power of the uplink transmission beam of the uplink data channel and the uplink control channel of the uplink transmission beam, calculating the transmitting power of the uplink transmitting beam supporting the uplink data channel and the uplink control channel according to one or more of the UE nominal power of the uplink data channel and the uplink control channel of the uplink transmitting beam, the offset indicated in the power control command corresponding to the uplink data channel and the uplink control channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink data channel and the uplink control channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam specified by the network side.
With continuing reference to fig. 7, optionally, the first computing module 702 further comprises:
a fourth calculating unit 7024, configured to calculate, according to the maximum transmission power of the uplink transmission beam after the power backoff and the transmission power of the uplink transmission beam supporting the uplink probing channel, a power headroom of the uplink transmission beam supporting the uplink probing channel.
With continuing reference to fig. 7, optionally, the UE700 further includes:
a fourth calculating module 706, configured to calculate, according to one or more of the transmission resource of the uplink sounding channel of the uplink transmission beam, the adjusted coding level of the uplink sounding channel of the uplink transmission beam, the uplink transmission beam nominal power of the uplink sounding channel of the uplink transmission beam, the UE nominal power of the uplink sounding channel of the uplink transmission beam, an offset indicated in a power control command corresponding to the uplink sounding channel of the uplink transmission beam configured by the network, and a path loss offset of the uplink sounding channel of the uplink transmission beam, which is calculated by the UE according to a downlink path loss reference beam specified by the network side, of the uplink transmission beam supporting the uplink sounding channel.
With continuing reference to fig. 7, optionally, the first computing module 702 further comprises:
a fifth calculating unit 7025, configured to calculate, according to the maximum transmission power of the uplink transmission beam after the power backoff and the transmission power of the uplink transmission beam supporting the random access channel, a power headroom of the uplink transmission beam supporting the random access channel.
With continuing reference to fig. 7, optionally, the UE700 further includes:
a fifth calculating module 707, configured to calculate, according to one or more of a transmission resource of a random access channel of an uplink transmission beam, an adjustment coding level of the random access channel of the uplink transmission beam, a nominal uplink transmission beam power of the random access channel of the uplink transmission beam, a nominal UE power of the random access channel of the uplink transmission beam, an offset indicated in a power control command corresponding to the random access channel of the uplink transmission beam configured by the network, and a path loss offset of the random access channel of the uplink transmission beam calculated by the UE according to a downlink path loss reference beam specified by the network side, to obtain the transmission power of the uplink transmission beam supporting the random access channel.
The base station provided in this embodiment may execute the method embodiments described above, and the implementation principle and technical effect are similar, which is not described herein again.
The following embodiments also provide a hardware structure diagram of a base station and a user terminal.
Fig. 8 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in fig. 8, the base station 800 includes: antenna 801, radio frequency device 802, baseband device 803. The antenna 801 is connected to a radio frequency device 802. In the uplink direction, the rf device 802 receives information via the antenna 801 and sends the received information to the baseband device 803 for processing. In the downlink direction, the baseband device 803 processes information to be transmitted and transmits the information to the radio frequency device 802, and the radio frequency device 802 processes the received information and transmits the processed information through the antenna 801.
The above band processing apparatus may be located in the baseband apparatus 803, and the method performed by the network side device in the above embodiment may be implemented in the baseband apparatus 803, where the baseband apparatus 803 includes a processor 8031 and a memory 8032.
The baseband apparatus 803 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 8, where one chip is, for example, a processor 8031, and is connected to the memory 8032 to call up a program in the memory 8032 to perform the network-side device operations shown in the above method embodiments.
The baseband device 803 may further include a network interface 8033, such as a Common Public Radio Interface (CPRI), for exchanging information with the radio frequency device 802.
The processor may be a single processor or a combination of multiple processing elements, for example, the processor may be a CPU, an ASIC, or one or more integrated circuits configured to implement the method performed by the above network-side device, for example: one or more microprocessors DSP, or one or more field programmable gate arrays FPGA, or the like. The storage element may be a memory or a combination of a plurality of storage elements.
The memory 8032 can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM) which serves as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (ddr Data Rate SDRAM), Enhanced SDRAM (ESDRAM), synclink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 8032 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
Specifically, the processor 8031 invokes a program in the memory 8032 to execute the method performed by the base station in the above-described embodiment.
Fig. 9 is a schematic structural diagram of a user terminal according to another embodiment of the present invention. As shown in fig. 9, the terminal 900 shown in fig. 9 includes: at least one processor 901, memory 902, at least one network interface 904, and a user interface 903. The various components in terminal 900 are coupled together by a bus system 905. It is understood that the bus system 905 is used to enable communications among the components. The bus system 905 includes a power bus, a control bus, and a status signal bus, in addition to a data bus. For clarity of illustration, however, the various buses are labeled in fig. 9 as bus system 905.
The user interface 903 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.
It is to be understood that the memory 902 in embodiments of the present invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double data rate Synchronous Dynamic random access memory (ddr DRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 902 of the systems and methods described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In some embodiments, memory 902 holds the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 9021 and application programs 9022.
The operating system 9021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is configured to implement various basic services and process hardware-based tasks. The application 9022 includes various applications, such as a Media Player (Media Player), a Browser (Browser), and the like, for implementing various application services. A program implementing the method of an embodiment of the present invention may be included in application 9022.
In the embodiment of the present invention, the processor 901 may execute the method executed by the user terminal by calling a program or an instruction stored in the memory 902, specifically, a program or an instruction stored in the application 9022.
The method disclosed in the above embodiments of the present invention may be applied to the processor 901, or implemented by the processor 901. The processor 901 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 901. The Processor 901 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in ram, flash memory, rom, prom, or eprom, registers, or other storage media as is known in the art. The storage medium is located in the memory 902, and the processor 901 reads the information in the memory 902, and completes the steps of the above method in combination with the hardware thereof.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described in this disclosure may be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described in this disclosure. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Specifically, the processor 901 may call a program or instructions stored in the memory 902 to execute the method performed by the UE in the above method embodiment.
Embodiments of the present invention also provide a computer-readable storage medium, on which a power control program is stored, and the power control program, when executed by a processor, implements the steps in the multi-beam based power control method as described above.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned preservation medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (43)

1. A multi-beam based power control method applied to a base station, comprising:
configuring power control parameters of uplink transmission beams of User Equipment (UE);
sending the power control parameter to the UE;
receiving power headroom and/or maximum transmitting power of different uplink transmitting beams transmitted by the UE;
performing power control on different beams according to the received power headroom and/or the maximum transmission power of each different uplink transmission beam;
wherein, the power margin and/or the maximum transmitting power of the uplink transmitting beam are calculated by the UE according to the received power control parameter of the uplink transmitting beam;
the power control parameters of the uplink transmission beam comprise one or more of the following:
the identifier of the downlink transmission beam corresponding to the path loss calculation reference of the uplink transmission beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
2. The method of claim 1, wherein the maximum transmit power of the uplink transmit beam is the maximum transmit power of the uplink transmit beam after power backoff when the maximum transmit power of the uplink transmit beam after power backoff is different from the maximum transmit power of the uplink transmit beam when power backoff is not used by the UE.
3. The method of claim 1, wherein the power headroom of the uplink transmission beam is any one of:
only transmitting the power margin of an uplink transmission beam of an uplink data channel PUSCH;
the power margin of an uplink transmission beam supporting PUSCH and an uplink control channel PUCCH is supported;
supporting the power margin of an uplink transmission beam of an uplink sounding channel SRS;
and the power margin of an uplink transmission beam of the PRACH is supported.
4. The method according to any one of claims 1 to 3, wherein the uplink transmission beam is a single uplink transmission beam, an uplink transmission beam pair, an uplink transmission beam group, or an uplink transmission beam set.
5. A multi-beam based power control method applied to a User Equipment (UE), comprising:
acquiring a power control parameter of an uplink transmission beam configured for the UE by a base station;
calculating the power margin and/or the maximum transmitting power of each different uplink transmitting beam according to the power control parameter;
sending the power headroom and/or the maximum transmission power of each different uplink transmission beam to the base station, where the power headroom and/or the maximum transmission power of the uplink transmission beam are used for the base station to perform power control on different beams;
the power control parameters of the uplink transmission beam comprise one or more of the following:
the identifier of the downlink transmission beam corresponding to the path loss calculation reference of the uplink transmission beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
6. The method according to claim 5, wherein said calculating the power headroom and/or the maximum transmission power of the uplink transmission beam according to the power control parameter comprises:
when the maximum transmitting power of the uplink transmitting beam after the UE adopts the power backoff and the maximum transmitting power of the uplink transmitting beam when the UE does not adopt the power backoff are different, calculating the maximum transmitting power of the uplink transmitting beam after the power backoff.
7. The method of claim 6, wherein the maximum transmit power of the uplink transmit beam after the power backoff has a value range of:
the maximum value of the transmission power of the uplink transmission beam after the power is returned is less than or equal to the minimum value of the transmission power of the uplink transmission beam after the power is returned;
the calculating the maximum transmission power of the uplink transmission beam after the power backoff comprises:
calculating the minimum value of the transmitting power of the uplink transmitting wave beam after the power is returned, and calculating the maximum value of the transmitting power of the uplink transmitting wave beam after the power is returned;
and selecting the maximum transmitting power of the uplink transmitting beam after power backoff according to the value range determined by the minimum value and the maximum value.
8. The method of claim 7, wherein the calculating the maximum value of the transmit power of the uplink transmit beam after the power backoff comprises:
and calculating to obtain the maximum value of the transmitting power of the uplink transmitting beam after the power is returned according to one or more items of the maximum transmitting power of the uplink transmitting beam configured by the network side, the power transmitting level of the UE on the frequency band and the UE power transmitting level offset.
9. The method of claim 8, wherein calculating a maximum value of the transmit power of the uplink transmit beam after power backoff according to one or more of a maximum transmit power of the uplink transmit beam configured on a network side, a power transmit level of the UE on a frequency band, and a power transmit level offset of the UE comprises:
and selecting a minimum value as the maximum value of the transmission power of the uplink transmission beam after power backoff from the maximum transmission power of the uplink transmission beam configured at the network side and the difference between the power transmission level of the UE on the frequency band and the power transmission level offset of the UE.
10. The method of claim 7, wherein calculating the minimum value of the transmit power of the uplink transmit beam after the power backoff comprises:
calculating the minimum value of the transmission power of the uplink transmission beam after the power backoff according to one or more items of the maximum transmission power of the uplink transmission beam configured by the network side, the extra power offset determined according to the bandwidth of the transmission signal, the power transmission level of the UE on the frequency band, the power transmission level offset of the UE, the power backoff value determined by the UE, the extra power offset agreed by the protocol, and the maximum power backoff value agreed by the protocol.
11. The method of claim 10, wherein the calculating the minimum value of the transmission power of the uplink transmission beam after the power backoff according to one or more of a maximum transmission power of the uplink transmission beam configured by a network side, an additional power offset determined according to a bandwidth of a transmission signal, a power transmission level of the UE on a frequency band, a UE power transmission level offset, a power backoff value determined by the UE, an additional power offset agreed by a protocol, and a maximum power backoff value agreed by a protocol comprises:
calculating the minimum value P of the transmitting power after the power of the uplink transmitting wave beam is retreated according to the following formulaCMAX_L，beam：
PCMAX_L，beam＝MIN{PEMAX，beam–ΔTC，beam，(PPowerClass–ΔPPowerClass)–MAX(MPRbeam+A-MPRbeam+ΔTIB，beam+ΔTC，beam+ΔTProSe，P-MPRbeam)}，
Wherein:
MPRbeamrepresents: a power backoff value determined by the UE;
A-MPRbeamrepresents: an additional power backoff value determined by the UE;
ΔTIB，beamrepresents: an additional power offset determined by the UE;
ΔTC，beamrepresents: an additional power offset determined by the protocol based on the bandwidth of the transmitted signal;
ΔTProSerepresents: an additional power offset specified by the protocol when the UE supports point-to-point communication in the frequency band;
P-MPRbeamrepresents: a protocol specified maximum power back-off value;
PEMAX，beamrepresents: transmitting the maximum transmitting power of the beam on the uplink;
PPowerClassrepresents: a power transmission level of the UE on the frequency band;
ΔPPowerClassrepresents: UE power transmission level offset.
12. The method of claim 5, wherein calculating the power headroom and/or the maximum transmission power of the uplink transmission beam according to the power control parameter comprises:
and calculating the power margin of the uplink sending beam only sending the uplink data channel according to the maximum sending power of the uplink sending beam after the power is returned and the sending power of the uplink sending beam only sending the uplink data channel.
13. The method of claim 12, further comprising:
and calculating the transmitting power of the uplink transmitting beam only for transmitting the uplink data channel according to one or more of the transmitting resource of the uplink data channel of the uplink transmitting beam, the adjusting coding grade of the uplink data channel of the uplink transmitting beam, the nominal power of the uplink transmitting beam, the nominal power of the UE of the uplink data channel of the uplink transmitting beam, the offset indicated in the corresponding power control command of the uplink data channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink data channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam designated by the network side.
14. The method of claim 5, wherein calculating the power headroom and/or the maximum transmission power of the uplink transmission beam according to the power control parameter comprises:
and calculating the power margin of the uplink sending wave beam supporting the uplink data channel and the uplink control channel according to the maximum sending power of the uplink sending wave beam after the power back-off and the sending power of the uplink sending wave beam supporting the uplink data channel and the uplink control channel.
15. The method of claim 14, further comprising:
according to the transmission resources of the uplink data channel and the uplink control channel of the uplink transmission beam, the adjusted coding level of the uplink data channel and the uplink control channel of the uplink transmission beam, and the nominal power of the uplink transmission beam of the uplink data channel and the uplink control channel of the uplink transmission beam, calculating the transmitting power of the uplink transmitting beam supporting the uplink data channel and the uplink control channel according to one or more of the UE nominal power of the uplink data channel and the uplink control channel of the uplink transmitting beam, the offset indicated in the power control command corresponding to the uplink data channel and the uplink control channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink data channel and the uplink control channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam specified by the network side.
16. The method of claim 5, wherein calculating the power headroom and/or the maximum transmission power of the uplink transmission beam according to the power control parameter comprises:
and calculating the power margin of the uplink sending beam supporting the uplink detection channel according to the maximum sending power of the uplink sending beam after the power back-off and the sending power of the uplink sending beam supporting the uplink detection channel.
17. The method of claim 16, further comprising:
and calculating the transmitting power of the uplink transmitting beam supporting the uplink detecting channel according to one or more of the transmitting resource of the uplink detecting channel of the uplink transmitting beam, the adjusting coding grade of the uplink detecting channel of the uplink transmitting beam, the uplink transmitting beam nominal power of the uplink detecting channel of the uplink transmitting beam, the UE nominal power of the uplink detecting channel of the uplink transmitting beam, the offset indicated in the corresponding power control command of the uplink detecting channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink detecting channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam designated by the network side.
18. The method of claim 5, wherein calculating the power headroom and/or the maximum transmission power of the uplink transmission beam according to the power control parameter comprises:
and calculating the power margin of the uplink sending wave beam supporting the random access channel according to the maximum sending power of the uplink sending wave beam after the power back-off and the sending power of the uplink sending wave beam supporting the random access channel.
19. The method of claim 18, further comprising:
and calculating the transmitting power of the uplink transmitting beam supporting the random access channel according to one or more of the transmitting resource of the random access channel of the uplink transmitting beam, the adjusting coding grade of the random access channel of the uplink transmitting beam, the nominal power of the uplink transmitting beam of the random access channel of the uplink transmitting beam, the nominal power of the UE of the random access channel of the uplink transmitting beam, the offset indicated in the corresponding power control command of the random access channel of the uplink transmitting beam configured by the network, and the path loss offset of the random access channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam appointed by the network side.
20. The method according to any one of claims 5 to 19, wherein the uplink transmission beam is a single uplink transmission beam, an uplink transmission beam pair, an uplink transmission beam group, or an uplink transmission beam set.
21. A base station, comprising:
a configuration module, configured to configure a power control parameter of an uplink transmission beam of a user equipment UE;
a first sending module, configured to send the power control parameter to the UE;
a first receiving module, configured to receive a power headroom and/or a maximum transmit power of each different uplink transmit beam sent by the UE;
a control module, configured to perform power control on different beams according to the received power headroom and/or maximum transmission power of each different uplink transmission beam;
wherein, the power margin and/or the maximum transmitting power of the uplink transmitting beam are calculated by the UE according to the received power control parameter of the uplink transmitting beam;
the power control parameters of the uplink transmission beam comprise one or more of the following:
the identifier of the downlink wave beam which is referred to by path loss calculation corresponding to the uplink sending wave beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
22. The base station of claim 21, wherein when the maximum transmit power of the uplink transmit beam after the UE employs power backoff and the maximum transmit power of the uplink transmit beam when the UE does not employ power backoff are different, the maximum transmit power of the uplink transmit beam is the maximum transmit power of the uplink transmit beam after power backoff.
23. The base station of claim 21, wherein the power headroom of the uplink transmission beam is any one of:
only transmitting the power margin of an uplink transmission beam of an uplink data channel PUSCH;
the power margin of an uplink transmission beam supporting PUSCH and an uplink control channel PUCCH is supported;
supporting the power margin of an uplink transmission beam of an uplink sounding channel SRS;
and the power margin of an uplink transmission beam of the PRACH is supported.
24. The base station according to any of claims 21 to 23, wherein the uplink transmission beam is a single uplink transmission beam, an uplink transmission beam pair, an uplink transmission beam group or an uplink transmission beam set.
25. A user terminal, UE, comprising:
a second receiving module, configured to obtain a power control parameter of an uplink transmission beam configured for the UE by a base station;
a first calculating module, configured to calculate, according to the power control parameter, a power headroom and/or a maximum transmission power of each different uplink transmission beam;
a second sending module, configured to send the power headroom and/or the maximum transmission power of each different uplink sending beam to the base station, where the power headroom and/or the maximum transmission power of the uplink sending beam are used for the base station to perform power control on different beams;
the power control parameters of the uplink transmission beam comprise one or more of the following:
the identifier of the downlink wave beam which is referred to by path loss calculation corresponding to the uplink sending wave beam;
calculating the original transmitting power of a reference signal of a reference downlink transmitting beam by path loss;
an offset of path loss corresponding to an uplink transmission beam;
maximum transmitting power of an uplink transmitting beam;
power back-off indication information of an uplink transmission beam;
the nominal power of the beam of the data channel of the uplink transmission beam;
UE nominal power of a data channel of an uplink transmission beam;
the nominal power of the beam of the control channel of the uplink transmission beam;
the UE nominal power of a control channel of an uplink transmission beam;
the nominal power of the beam of the detection channel of the uplink transmission beam;
UE nominal power of a sounding channel of an uplink transmission beam;
the nominal power of the wave beam of the random access channel of the uplink sending wave beam; and
UE nominal power of random access channel of uplink transmit beam.
26. The UE of claim 25, wherein the first computing module comprises:
a first calculating unit, configured to calculate a maximum transmit power of the uplink transmission beam after power backoff is performed when the maximum transmit power of the uplink transmission beam after power backoff is used by the UE is different from the maximum transmit power of the uplink transmission beam when power backoff is not used by the UE.
27. The UE of claim 26, wherein a value range of the maximum transmit power of the uplink transmit beam after the power backoff is:
greater than or equal to the minimum value of the transmission power of the uplink transmission beam after the power backoff, and
less than or equal to the maximum value of the transmitting power of the uplink transmitting wave beam after the power is returned;
the first calculation unit includes:
the first calculating subunit is configured to calculate a minimum value of the transmission power of the uplink transmission beam after power backoff;
the second calculating subunit is configured to calculate a maximum value of the transmission power of the uplink transmission beam after power backoff;
and the selecting subunit is configured to select the maximum transmitting power of the uplink transmission beam after power backoff according to the value range determined by the minimum value and the maximum value.
28. The UE of claim 27, wherein the second computing subunit is further configured to:
and calculating to obtain the maximum value of the transmitting power of the uplink transmitting beam after the power is returned according to one or more items of the maximum transmitting power of the uplink transmitting beam configured by the network side, the power transmitting level of the UE on the frequency band and the UE power transmitting level offset.
29. The UE of claim 28, wherein the second calculating subunit is further configured to select a minimum value from the maximum transmission power of the uplink transmission beam configured on the network side, and a difference between a power transmission level of the UE on the frequency band and the UE power transmission level offset, as the maximum value of the transmission power of the uplink transmission beam after the power backoff.
30. The UE of claim 28, wherein the first computing subunit is further configured to:
calculating the minimum value of the transmission power of the uplink transmission beam after the power backoff according to one or more items of the maximum transmission power of the uplink transmission beam configured by the network side, the extra power offset determined according to the bandwidth of the transmission signal, the power transmission level of the UE on the frequency band, the power transmission level offset of the UE, the power backoff value determined by the UE, the extra power offset agreed by the protocol, and the maximum power backoff value agreed by the protocol.
31. The UE of claim 30, wherein the first computing subunit is further configured to:
calculating the minimum value P of the transmitting power of the uplink transmitting wave beam after the power is returned according to the following formulaCMAX_L，beam：
PCMAX_L，beam＝MIN{PEMAX，beam–ΔTC，beam，(PPowerClass–ΔPPowerClass)–MAX(MPRbeam+A-MPRbeam+ΔTIB，beam+ΔTC，beam+ΔTProSe，P-MPRbeam)}，
Wherein:
MPRbeamrepresents: a power backoff value determined by the UE;
A-MPRbeamrepresents: an additional power backoff value determined by the UE;
ΔTIB，beamrepresents: an additional power offset determined by the UE;
ΔTC，beamrepresents: protocol specified in accordance with the sendingAn additional power offset determined by the bandwidth of the signal;
ΔTProSerepresents: an additional power offset specified by the protocol when the UE supports point-to-point communication in the frequency band;
P-MPRbeamrepresents: a protocol specified maximum power back-off value;
PEMAX，beamrepresents: transmitting the maximum transmitting power of the beam on the uplink;
PPowerClassrepresents: a power transmission level of the UE on the frequency band;
ΔPPowerClassrepresents: UE power transmission level offset.
32. The UE of claim 25, wherein the first computing module further comprises:
and the second calculating unit is used for calculating and obtaining the power margin of the uplink sending beam only sending the uplink data channel according to the maximum sending power of the uplink sending beam after the power is returned and the sending power of the uplink sending beam only sending the uplink data channel.
33. The UE of claim 32, wherein the UE further comprises:
a second calculating module, configured to calculate, according to one or more of a transmission resource of an uplink data channel of the uplink transmission beam, an adjusted coding level of the uplink data channel of the uplink transmission beam, an uplink transmission beam nominal power of the uplink data channel of the uplink transmission beam, a UE nominal power of the uplink data channel of the uplink transmission beam, an offset indicated in a power control command corresponding to the uplink data channel of the uplink transmission beam configured by the network, and a path loss offset of the uplink data channel of the uplink transmission beam calculated by the UE according to a downlink path loss reference beam specified by the network side, to obtain a transmission power of an uplink transmission beam only transmitting the uplink data channel.
34. The UE of claim 25, wherein the first computing module further comprises:
and the third calculating unit is used for calculating and obtaining the power margin of the uplink sending beam supporting the uplink data channel and the uplink control channel according to the maximum sending power of the uplink sending beam after the power backoff and the sending power of the uplink sending beam supporting the uplink data channel and the uplink control channel.
35. The UE of claim 34, wherein the UE further comprises:
a third calculating module, configured to calculate, according to the transmission resources of the uplink data channel and the uplink control channel of the uplink transmission beam, the adjusted coding level of the uplink data channel and the adjusted coding level of the uplink control channel of the uplink transmission beam, and the nominal power of the uplink transmission beam of the uplink data channel and the uplink control channel of the uplink transmission beam, calculating the transmitting power of the uplink transmitting beam supporting the uplink data channel and the uplink control channel according to one or more of the UE nominal power of the uplink data channel and the uplink control channel of the uplink transmitting beam, the offset indicated in the power control command corresponding to the uplink data channel and the uplink control channel of the uplink transmitting beam configured by the network, and the path loss offset of the uplink data channel and the uplink control channel of the uplink transmitting beam calculated by the UE according to the downlink path loss reference beam specified by the network side.
36. The UE of claim 25, wherein the first computing module further comprises:
and the fourth calculating unit is used for calculating the power margin of the uplink sending beam supporting the uplink detection channel according to the maximum sending power of the uplink sending beam after the power backoff and the sending power of the uplink sending beam supporting the uplink detection channel.
37. The UE of claim 36, wherein the UE further comprises:
a fourth calculating module, configured to calculate, according to one or more of the transmission resource of the uplink sounding channel of the uplink transmission beam, the adjustment coding level of the uplink sounding channel of the uplink transmission beam, the uplink transmission beam nominal power of the uplink sounding channel of the uplink transmission beam, the UE nominal power of the uplink sounding channel of the uplink transmission beam, an offset indicated in a power control command corresponding to the uplink sounding channel of the uplink transmission beam configured by the network, and a pathloss offset of the uplink sounding channel of the uplink transmission beam calculated by the UE according to a downlink pathloss reference beam specified by the network side, to obtain the transmission power of the uplink transmission beam supporting the uplink sounding channel.
38. The UE of claim 25, wherein the first computing module further comprises:
and the fifth calculating unit is used for calculating the power margin of the uplink sending beam supporting the random access channel according to the maximum sending power of the uplink sending beam after the power backoff and the sending power of the uplink sending beam supporting the random access channel.
39. The UE of claim 38, wherein the UE further comprises:
a fifth calculating module, configured to calculate, according to one or more of a transmission resource of a random access channel of the uplink transmission beam, an adjustment coding level of the random access channel of the uplink transmission beam, a nominal uplink transmission beam power of the random access channel of the uplink transmission beam, a nominal UE power of the random access channel of the uplink transmission beam, an offset indicated in a power control command corresponding to the random access channel of the uplink transmission beam configured by the network, and a path loss offset of the random access channel of the uplink transmission beam calculated by the UE according to a downlink path loss reference beam specified by the network side, to obtain the transmission power of the uplink transmission beam supporting the random access channel.
40. The UE of any one of claims 25 to 39, wherein the uplink transmission beam is a single uplink transmission beam, an uplink transmission beam pair, an uplink transmission beam group, or an uplink transmission beam set.
41. A user terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, the processor implementing the steps in the multi-beam based power control method according to any of claims 1 to 4 when executing the program.
42. A base station, comprising: memory, processor and computer program stored on the memory and executable on the processor, the processor implementing the steps in the multi-beam based power control method according to any of claims 5 to 20 when executing the program.
43. A computer-readable storage medium, characterized in that a data transmission program is stored thereon, which when executed by a processor implements the steps in the multi-beam based power control method according to any one of claims 1 to 4, or implements the steps in the multi-beam based power control method according to any one of claims 5 to 20.
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