WO2017162005A1 - Method and device for adjusting power parameter, and computer storage medium - Google Patents

Abstract

Disclosed are a method and device for adjusting a power parameter, and a computer storage medium. The method comprises: determining a power parameter adjustment method according to an offset amount with respect to a power parameter of a terminal and/or whether an uplink subframe corresponding to the power parameter performs a clear channel assessment (CCA) process; and adjusting the power parameter according to the power adjustment method.

Description

Power parameter adjustment method and device, computer storage medium Technical field

The present disclosure relates to the field of communications, and in particular to a power parameter adjustment method and apparatus, and a computer storage medium.

Background technique

Beginning with the R10 version of the 3rd Generation Partnership (3GPP, 3rd Generation Partnership), it is adopted in Advanced Long Term Evolution (LTE-A, LTE-Advanced) to meet the requirements of International Mobile Telecommunications Advanced (IMT-Advanced). The Carrier Aggregation (CA) technology further supports a wider communication bandwidth than Long Term Evolution (LTE). The main principle of carrier aggregation is to support multiple LTE backward compatible carriers. 100MHz bandwidth. In a system in which carrier aggregation is introduced, a carrier that performs aggregation is called a component carrier (CC), which is also called a cell. At the same time, the concept of a primary component carrier/cell (PCC/PCell, Primary Component Carrier/Cell) and a secondary component carrier/cell (SCC/SCell, Secondary Component Carrier/Cell) is also proposed. It contains at least one PCC/PCell and SCC/SCell, where PCC/PCell is always active. When uplink signals on multiple CCs are simultaneously transmitted, if the total transmit power of the uplink signals on multiple CCs exceeds the maximum linear power that the power amplifier (PA, Power Amplifier) can support, power reduction is performed on all uplink signals. Ensure that the transmit power of all upstream signals does not exceed the maximum linear power that the PA can support.

At the same time, the power control performed on a CC is controlled by a combination of Power Spectral Density (PSD) and open-loop and closed-loop. The PSD is represented by a resource block (RB, Resource Block). Calculation, that is, within the assumed unit RB The power required when all resource elements (RE, Resource Element) are occupied. Then, when the service is specifically transmitted, the used power can be calculated according to the number of allocated RBs. More specifically, the final calculated power includes the number of allocated RBs, PSD, path loss complement, modulation and coding format of the transmitted data, cumulative or absolute power adjustment.

For example, the power of a physical uplink shared channel (PUSCH),

For example, the power of the Physical Uplink Control Channel (PUCCH),

The above two formulas can be written as a shorthand formula.

P _c (i)=min{P _CMAX.c (i), 10log ₁₀ (M _c (i))+P _Oc (j)+PL _c +TF _c (i)+f _c (i)},

Or, P _c (i)=min(P _CMAX.c (i), P _channel.c (i)),

Where P _c (i) represents the calculated power of the i-th subframe on the carrier index c, P _CMAX.c (i) represents the maximum allowed transmit power of the i-th subframe on the carrier index c, and P _channel.c (i) represents The actual calculated physical channel power, M _c (i) represents the number of scheduled RBs of the i-th subframe on the carrier index c, and j={0, 1, 2} of P _Oc (j) respectively represent semi-persistent scheduling services, Dynamic scheduling service, PSD corresponding to random access, PL _c indicates path loss supplement on carrier index c, TF _c (i) indicates modulation coding format of transmission data of i-th subframe on carrier index c, f _c (i ) indicates the cumulative or absolute power adjustment amount of the i-th subframe on the carrier index c. In addition, the industry regards P _Oc (j)+PL _c as open-loop power control, considering TF _c (i)+f _c (i) as closed-loop power control and P _Oc (j) as PSD ( The first PSD definition), or P _Oc (j) + PL _c + TF _c (i) + f _c (i) is considered to be PSD (second PSD definition).

The above CAs are all for authorized carriers, and with the rapid growth of data services, the licensed spectrum is The data transmission pressure on the carrier is also increasing. Therefore, sharing the data traffic in the licensed carrier through the carrier of the unlicensed spectrum becomes an important evolution direction of the subsequent LTE development.

The unlicensed spectrum has the characteristics that the unlicensed spectrum does not need to be purchased, the spectrum resource has zero cost, and has the characteristics of free/low cost; the individual and the enterprise can participate in the deployment, and the equipment of the equipment vendor can be deployed arbitrarily, and the access requirement is low. Low cost; 5GHz, 2.4GHz and other frequency bands in the unlicensed spectrum can be used, with features of large available bandwidth; unlicensed carriers have the characteristics of shared resources, that is, when multiple different systems are operating or the same system When different operators operate in it, they can consider some ways of sharing resources to improve spectrum utilization efficiency, and so on.

The Rel-13 version of the LTE system began research in September 2014. One of the important research topics is the carrier work of the LTE system using unlicensed spectrum, also known as Licensed Assisted Access (LAA). This technology will enable the LTE system to use the carriers of the existing unlicensed spectrum, greatly increasing the potential spectrum resources of the LTE system, enabling the LTE system to obtain lower spectrum costs.

Unlicensed carriers have the following characteristics:

1. Free/low cost: no need to purchase unlicensed spectrum, spectrum resource is zero cost.

2. Low access requirements and low cost: individuals and enterprises can participate in the deployment, and the equipment of the equipment vendor can be deployed at will.

3. Shared resources: When multiple different systems are operating, or when different operators of the same system are operating, you can consider some ways of sharing resources to improve spectrum efficiency.

4. There are many wireless access technologies: different communication standards can be used, but the cooperation is difficult and the network topology is diverse.

5. There are many wireless access sites: the number of users is large, but the collaboration is difficult, and the centralized management overhead is large.

6. Applications: A variety of services can be operated in it, for example, machine to machine (M2M, Machine to machine), and vehicle to vehicle (V2V).

For the use of unlicensed carriers, the Clear Channel Assessment (CCA) detection is first required, and the unlicensed carrier can be used only after the CCA successfully competes. Whether the successful competition is related to the specific detection threshold (Energy detection (ED) threshold), the threshold is high, the probability of success is high, and the threshold is low, the probability of success is low. For example, the threshold requirement of -62 dBm is relatively easy to satisfy, and the threshold requirement of -72 dBm is If it is harsh, it will not be easy to compete. More specifically, the threshold is related to the specific power. For example, the threshold X _{Thresh_max is} defined as follows:

If there is no other competing access, then

X _r , when the maximum energy detection threshold under the regulatory requirements is defined, X _r takes the maximum energy detection threshold; otherwise, X _r =T _max +10 dB;

otherwise,

Here:

T _A = 10dB, corresponding to the traffic channel

T _A = 5dB, corresponding to other channels

P _H =23dBm

P _TX , corresponding to the maximum output power set by the node on the carrier, or the actual transmit power P _c (i) of the node on the corresponding carrier;

T _max (dBm)=10·log10(3.16228·10 ^-8 (mW/MHz)·BWMHz(MHz))

Therefore, the uplink unlicensed CA is different from the uplink authorized CA. The premise that the uplink unlicensed component carrier (UL UCC) is transmitted is: the eNB schedules the UL UCC by using an uplink grant (UL grant). And the UE successfully competes for the UL UCC, which means that the UE does not know in advance whether this can actually be transmitted on the UL UCC. The UL power is calculated based on P _CMAX.c (i) and P _channel.c (i). For P _channel.c (i), it can be calculated in advance; for P _CMAX.c (i), there is a problem here, that is, when the UE sets the specific P _CMAX.c (i), it is divided into two as follows. Situation:

Case 1: It is assumed that the UE waits until the UL UCC is successfully contending to set P _CMAX.c (i), and the UE performs uplink power control according to P _CMAX.c (i) and P _channel.c (i). This power adjustment action (power adjustment action) is not instantaneous for the UE.

Case 2: It is assumed that the UE always sets P _CMAX.c (i) according to the received UL grant regardless of whether the UE successfully competes for the UL UCC, for the case of pre-computed power limitation, but actually the UE There is no competition for the UL UCC, which has the disadvantage of low overall power efficiency.

The Power Headroom Report (PHR) is defined as the difference between P _CMAX.c (i) and P _channel.c (i), and is the prediction method, that is, P _CMAX.c is also present _. (i) Similar problems, referred to here as case 3, case 4.

Case 3: Suppose the UE waits until it successfully competes to the UL UCC and then sets P _CMAX.c (i) and calculates P _channel.c (i), and the UE recalculates PHR _c (i)=P _CMAX.c (i)- P _channel.c (i), then the UE re-feeds back the PHR, which does not comply with the "triggered PHR" specified in the existing protocol.

Case 4: It is assumed that the UE always sets P _CMAX.c (i) and calculates P _channel.c (i) according to whether the UL grant is _{successfully subscribed to} the UL UCC.

The UE recalculates PHR _c (i)=P _CMAX.c (i)-P _channel.c (i), but in reality the UE does not compete with the UL UCC, and the disadvantage is that the PHR calculation is not accurate enough, especially no competition. The PHR corresponding to the UL UCC is fed back to the real PHR (real PHR), but in reality it is the virtual PHR (virtual PHR), which will affect the next uplink scheduling.

In addition, the terminal side P _c (i) has a close relationship with the CCA detection threshold threshold, and the CCA detection threshold threshold determines whether the terminal successfully competes with the UL UCC, so these are also parameters that the UL LAA needs to adjust, and for these parameters. It has not been well set up yet.

For the problem that the power parameter adjustment in the unlicensed carrier in the related art is unreasonable, an effective solution has not been proposed yet.

Summary of the invention

The embodiments of the present disclosure provide a power parameter adjustment method and apparatus, and a computer storage medium, to at least solve the problem that the power parameter adjustment in the unlicensed carrier in the related art is unreasonable.

According to an aspect of an embodiment of the present disclosure, a power parameter adjustment method is provided, including: performing a clean channel evaluation CCA process according to an offset of a power parameter with respect to a terminal and/or an uplink subframe corresponding to the power parameter. Determine the power parameter adjustment mode; adjust the power parameters according to the power adjustment mode.

In an embodiment of the present disclosure, in the case where the offset is a time offset, the power parameter is a set time of P _CMAX.c (i) or a reporting time of PHR _c (i); In the case of an offset, the power parameter is P _c (i) of the terminal or the detection threshold X _{Thresh_max of the terminal} ; in the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall change The power parameter is P _c (i) or X _{Thresh_max of the terminal} ; in the case where the offset is the energy detection threshold offset X _{Thresh_offset} , the power parameter is X _{Thresh_max} ; whether or not the uplink subframe corresponding to the power parameter is performed In the case of a clean channel evaluation CCA process to determine the power parameter adjustment mode, the power parameter is the set time of P _CMAX.c (i) or the reporting type of PHR _c (i); where P _c (i) is the carrier index c The calculated power of the terminal of the i-th uplink subframe, P _CMAX.c (i) is the maximum transmit power of the allowed terminal of the i-th uplink subframe on the carrier index c, and PHR _c (i) is the carrier index c Power margin report for terminals of i uplink subframes, P _Thresh.c (i) is the carrier index The power variable of the terminal of the i-th uplink subframe on c, i is an integer.

In an embodiment of the present disclosure, in the case where the offset is a time offset and the power parameter is the set time of P _CMAX.c (i), the power parameter adjustment manner includes one of the following: in the i-th uplink Performing CCA detection before a first predetermined time before a start boundary of the frame; setting P _CMAX.c (i) in a first predetermined time; wherein, the first predetermined time is a time offset; and the i-th uplink subframe The CCA detection is not performed before the start boundary, and P _CMAX.c is set in the second predetermined time in the first uplink subframe in the uplink subframe of one or more successfully _contiguous uplink unlicensed component carriers UL UCC. (i) wherein, the second predetermined time is a start period of the first uplink subframe, a start boundary of the first uplink subframe plus a second predetermined time as a time period indicated by the end point, The second predetermined time is the time offset.

In an embodiment of the present disclosure, the time offset is at least the length of time allowed by the on/off time template OOTM, and the OOTM is the observation period of the terminal from the transmit power off state to the transmit power on state or from the transmit power on state to the transmit power. The observation period of the off state.

In an embodiment of the present disclosure, the time offset is also used for operation of the OOTM and/or transmission of the occupancy signal.

In an embodiment of the present disclosure, in the case that the offset is a time offset and the power parameter is the reporting time of PHR _c (i), the power parameter adjustment manner includes: triggering PHR _c (i) at the terminal After the reporting, if the terminal does not compete with the uplink unlicensed component carrier UL UCC, the PHR _c (i) is reported on the jth uplink subframe, where the jth uplink subframe is the relative i-th uplink The subframe is delayed by the third predetermined time uplink subframe or the first available uplink subframe after the ith subframe; wherein the third predetermined time or the first available uplink subframe after the ith subframe The time difference from the ith uplink subframe is a time offset, where j is an integer.

In the disclosed an embodiment of the present, in the case PHR _c (j) in the PHR _c (i) frame and the j-th uplink sub collides discard PHR _c (i) in the j-th uplink subframe; or PHR _c (i) and PHR _c (j) are simultaneously reported on the jth uplink subframe, where PHR _c (j) is a power margin report of the terminal of the jth uplink subframe on the carrier index c.

In an embodiment of the present disclosure, in a case where the offset is a time offset and the power parameter is the reporting time of the PHR _c (i), the parameter adjustment manner includes: simultaneously reporting the triggered on the i-th uplink subframe. PHR _c (in) of the first in-line subframe and PHR _c (i) of the i-th uplink subframe; wherein the time offset is the time difference between the i-th uplink subframe and the in-th uplink subframe, PHR _c (in) is the power margin report of the terminal of the jth uplink subframe on carrier index c, where n is a positive integer less than one.

In an embodiment of the present disclosure, the power parameter adjustment manner is determined according to whether the uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process at a set time of the power parameter P _CMAX.c (i), including: performing CCA The ith uplink subframe of the process performs P _CMAX.c (i) setting of the ith uplink subframe after receiving the uplink scheduling or uplink grant UL grant; and uplinks for successfully competing for the uplink unlicensed component carrier UL UCC The P _CMAX.c (i) setting of the i-th uplink subframe can be performed at any time except for the uplink subframe other than the i-th uplink subframe in which the CCA process is performed.

In an embodiment of the present disclosure, in the reporting type of the power parameter PHR _c (i), determining the power parameter adjustment manner according to whether the uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process includes: performing a CCA process The i-th uplink subframe, the reporting type of PHR _c (i) includes: real power margin report real PHR report, virtual power margin report virtual PHR report, real power margin report real PHR and virtual power margin report virtual PHR Simultaneous reporting; for the uplink subframes that successfully compete for the uplink unlicensed component carrier UL UCC, except for the ith uplink subframe of the CCA process, the reporting type of PHR _c (i) includes: real power The margin report real PHR report, virtual power margin report virtual PHR reported.

In an embodiment of the present disclosure, when the reporting type of the PHR _c (i) includes the real power margin report real PHR and the virtual power margin report virtual PHR are simultaneously reported, when the network side receives the PUCCH and/or the PUSCH Indicates that the real PHR is valid; when the PUCCH and/or PUSCH are not received on the network side, it indicates that the virtual PHR is valid.

In an embodiment of the present disclosure, in the case where the offset is the power offset and the power parameter is P _c (i) of the terminal, the power adjustment manner includes: adjusting the P _{c of the} terminal according to at least one of the following formulas: ): P _c (i)=min(P _CMAX.c (i), P _channel.c (i)+P _offset1.c (i)); P _c (i)=min(P _CMAX.c (i) , P _channel.c (i)+P _offset2.c (i)); wherein min() represents a function of taking the minimum value, and P _channel.c (i) is the terminal of the i-th uplink subframe on the carrier index c Actual calculated physical channel power, P _offset1.c (i) is the power offset defined for P _channel.c (i), and P _offset2.c (i) is the power offset defined for P _c (i) Transfer amount.

In an embodiment of the present disclosure, in the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall, and the power parameter is P _c (i) of the terminal, the power parameter adjustment manner includes : Adjust the terminal P _c (i) according to the following formula: P _c (i)=min(P _Thresh.c (i), P _CMAX.c (i), P _channel.c (i)); where min( ) represents the function taking the minimum value, P _channel.c (i) is the actually calculated physical channel power of the terminal of the i th uplink subframe on the carrier index c, and P _Thresh.c (i) is the defined P _{Thresh. c} (i).

In an embodiment of the present disclosure, after adjusting P _c (i) of the terminal, the method further includes: adjusting X _{Thresh_max} according to P _c (i) of the adjusted _terminal .

In an embodiment of the present disclosure, P _Thresh.c (i) is equal to P _CMAX.c (i) when the energy detection threshold is not used for lifting on the network side.

In an embodiment of the present disclosure, in the case where the offset is the energy detection threshold offset X _{Thresh_offset} and the power parameter is X _{Thresh_max} , the power parameter adjustment manner includes: adjusting the X _{Thresh_max of the} terminal by the following formula: X _{Thresh_max} =X _{Thresh_max} +X _{Thresh_offset} .

In an embodiment of the present disclosure, before adjusting X _{Thresh_max} , the method further includes: determining whether the terminal side needs to perform an energy detection threshold rise and fall change; and if necessary, adjusting X _{Thresh_max} .

In an embodiment of the present disclosure, determining whether the terminal needs to perform an energy detection threshold rise and fall according to at least one of the following: a competition success probability of the terminal, an uplink data error block rate of the terminal, a signal to interference noise ratio of the terminal, and a buffer of the terminal. The status report, the load level of the current carrier measured by the terminal, the received signal strength measured by the terminal indicate the measured amount of the LAA RSSI, the ratio of the number of UL grants sent by the network side autonomous statistics, and the number of actual lines sent by the terminal.

According to another aspect of the embodiments of the present disclosure, there is provided a power parameter adjustment apparatus, including: a determining module, configured to perform, according to an offset of a power parameter with respect to a terminal, and/or an uplink subframe corresponding to the power parameter The clean channel evaluates the CCA process to determine the power parameter adjustment mode; the adjustment module is configured to adjust the power parameter according to the power adjustment mode.

In an embodiment of the present disclosure, in the case where the offset is a time offset, the power parameter is a set time of P _CMAX.c (i) or a reporting time of PHR _c (i); In the case of an offset, the power parameter is P _c (i) of the terminal or the detection threshold X _{Thresh_max of the terminal} ; in the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall change The power parameter is P _c (i) or X _{Thresh_max of the terminal} ; in the case where the offset is the energy detection threshold offset X _{Thresh_offset} , the power parameter is X _{Thresh_max} ; whether or not the uplink subframe corresponding to the power parameter is performed In the case of a clean channel evaluation CCA process to determine the power parameter adjustment mode, the power parameter is the set time of P _CMAX.c (i) or the reporting type of PHR _c (i); where P _c (i) is the carrier index c The calculated power of the terminal of the i-th uplink subframe, P _CMAX.c (i) is the maximum transmit power of the allowed terminal of the i-th uplink subframe on the carrier index c, and PHR _c (i) is the carrier index c Power margin report for terminals of i uplink subframes, P _Thresh.c (i) is the carrier index The power variable of the terminal of the i-th uplink subframe on c, i is an integer.

According to another aspect of an embodiment of the present disclosure, there is provided a computer storage medium storing a computer program configured to perform the power parameter adjustment method described above.

According to the technical solution of the embodiment of the present disclosure, the power parameter adjustment mode is determined according to whether the offset of the power parameter relative to the terminal and/or the uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process; The method adjusts the power parameter, that is, adjusts the power parameter according to whether the offset and/or the uplink subframe performs a clean channel evaluation CCA process, thereby adjusting the power parameter well, thereby solving the unlicensed carrier in the related art. The power parameter adjustment is unreasonable.

DRAWINGS

The drawings described herein are provided to provide a further understanding of the present disclosure, which is a part of the present disclosure, and the description of the present disclosure and the description thereof are not intended to limit the disclosure. In the drawing:

1 is a flow chart of a power parameter adjustment method in accordance with an embodiment of the present disclosure;

2 is a schematic diagram of CCA advance detection according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of CCA not being detected in advance according to an embodiment of the present disclosure; FIG.

4 is a schematic diagram of a calculation reference of P _CMAX.c according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a PHR delay according to an embodiment of the present disclosure; FIG.

6 is a schematic diagram of multi-type PHR feedback provided according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of multi-subframe PHR feedback according to an embodiment of the present disclosure;

FIG. 8 is a structural block diagram of a power parameter adjustment apparatus according to an embodiment of the present disclosure.

detailed description

The present disclosure will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second", and the like in the specification and claims of the present disclosure are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

A power parameter adjustment method is provided in this embodiment. FIG. 1 is a flowchart of a power parameter adjustment method according to an embodiment of the present disclosure. As shown in FIG. 1 , the flow includes the following steps:

Step S102: Determine a power parameter adjustment manner according to whether an offset of a power parameter of the terminal and/or an uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process.

Step S104, adjusting the power parameter according to the power adjustment mode.

Through the above steps, the offset and/or the power according to the power parameter relative to the terminal is adopted. Whether the uplink subframe corresponding to the parameter performs a clean channel estimation CCA process to determine a power parameter adjustment mode; and the power parameter is adjusted according to the power adjustment mode, that is, by adjusting whether the uplink subframe is a clean channel evaluation CCA process according to the offset and/or the uplink subframe The above power parameters can further adjust the power parameters, thereby solving the problem that the power parameter adjustment in the unlicensed carrier in the related art is unreasonable.

It should be noted that the above method can be applied not only to the power parameter adjustment in the unlicensed carrier but also to the power parameter adjustment in the authorized carrier, and is not limited thereto.

In one embodiment of the present disclosure, in the case where the offset is a time offset, the power parameter is the set time of P _CMAX.c (i) or the reporting time of PHR _c (i), and the corresponding power parameter adjustment The method may include one of the following: mode 1, performing CCA detection before a first predetermined time before a start boundary of the i th uplink subframe; setting P _CMAX.c (i) in the first predetermined time; wherein, A predetermined time is a time offset; mode 2: no CCA detection is performed before the start boundary of the i-th uplink subframe, in one or more uplink subframes of the uplink unlicensed component carrier UL UCC that successfully competes P _CMAX.c (i) is set for a second predetermined time in the first uplink subframe, wherein the second predetermined time is starting from the start boundary of the first uplink subframe, and the first uplink subframe The initial boundary is added to the second predetermined time as the time period indicated by the end point, and the second predetermined time is the time offset.

For the foregoing mode 1 and mode 2, for example, after the user equipment UE performs CCA detection, the UE can only set P _CMAX.c (i) after successfully competing to the UL UCC, and the UE according to P _CMAX.c (i) And P _channel.c (i) for uplink power control, OOTM is a problem that cannot be realized instantaneously for the UE, which is beneficial to the realization of the product.

It should be noted that the time offset is at least the length of time allowed by the on/off time template OOTM, and the OOTM is the observation period of the terminal from the transmit power off state to the transmit power on state or from the transmit power on state to the transmit power off state. The observation period; the above time offset can also be used for OOTM operation and/or transmission of occupancy signals.

In an embodiment of the present disclosure, when the offset is a time offset, the power parameter is a reporting time of PHR _c (i), and the power parameter adjustment manner includes: triggering PHR _c (i) at the terminal. After the reporting, if the terminal does not compete with the uplink unlicensed component carrier UL UCC, the PHR _c (i) is reported on the jth uplink subframe, where the jth uplink subframe is the relative i th The uplink subframe is delayed by the third predetermined time uplink subframe or the first available uplink subframe after the ith subframe; wherein, the third predetermined time or the first available uplink subframe after the ith subframe The time difference between the frame and the ith uplink subframe is a time offset, where j is an integer.

It should be noted that, in the case that PHR _c (i) collides with PHR _c (j) of the jth uplink subframe, PHR _c (i) is discarded on the jth uplink subframe; or in the jth PHR _c (i) and PHR _c (j) are simultaneously reported on the uplink subframe, where PHR _c (j) is a power margin report of the terminal of the jth uplink subframe on the carrier index c.

The power adjustment mode avoids the situation that the PHR is often discarded, which is beneficial to the network side to perform better resource scheduling.

In an embodiment of the present disclosure, in a case where the offset is a time offset and the power parameter is the reporting time of the PHR _c (i), the parameter adjustment manner includes: simultaneously reporting the triggered on the i-th uplink subframe. PHR _c (in) of the first in-line subframe and PHR _c (i) of the i-th uplink subframe; wherein the time offset is the time difference between the i-th uplink subframe and the in-th uplink subframe, PHR _c (in) is the power margin report of the terminal of the jth uplink subframe on carrier index c, where n is a positive integer less than one. I.e., regardless of the terminal there is no competition to UL UCC, after the terminal report is triggered for PHR _c (i) can also reported PHR _c (in) and PHR _c (i) in the i-th uplink sub-frame, i.e., the current The subframe (the ith subframe) simultaneously reports the PHR of the current subframe and the PHR of the subframe that is triggered before the current subframe. For example, the current subframe is the 8th subframe, and the previously triggered subframe of the current subframe is In the second, fifth, and seventh subframes, the PHRs of the second, fifth, seventh, and eighth subframes can be simultaneously reported on the eighth subframe, and are not limited thereto.

In an embodiment of the present disclosure, the power parameter adjustment manner may be included according to whether the uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process at a set time of the power parameter P _CMAX.c (i). Performing the ith uplink subframe of the CCA process, after receiving the uplink scheduling or uplink grant UL grant, performing P _CMAX.c (i) setting of the ith uplink subframe; successfully competing for the uplink unlicensed component carrier UL UCC The P _CMAX.c (i) setting of the i-th uplink subframe can be performed at any time in the uplink subframe except for the ith uplink subframe in the CCA process. That is, the time for setting P _CMAX.c (i) is determined according to whether the uplink subframe performs the CCA process. Further, for example, the UE always sets P _CMAX.c (i) according to the received uplink grant UL grant regardless of whether the UE successfully competes with the UL UCC. For the pre-computed power limit power limitation, the UE actually There is no competition for the UL UCC, and the overall power efficiency is low.

In an embodiment of the present disclosure, in the reporting type of the power parameter PHR _c (i), determining the power parameter adjustment manner according to whether the uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process may include: performing CCA The i-th uplink subframe of the procedure, the reporting type of PHR _c (i) may include: real power margin report real PHR reporting, virtual power margin report virtual PHR reporting, real power margin reporting real PHR and virtual power margin Reporting that the virtual PHR is reported at the same time; for the uplink subframes that successfully compete for the uplink unlicensed component carrier UL UCC, the reporting type of the PHR _c (i) may be other than the ith uplink subframe of the CCA process. Including: real power margin report real PHR reporting, virtual power margin report virtual PHR reporting. I.e. different uplink sub-frame, which contains PHR _c (i) is not the same type of report, and thus may be determined PHR _c (i) in accordance with the type of reporting whether or not an uplink subframe CCA procedure, the UE further prevented regardless of whether the subsequent Successfully competing for the UL UCC, always set P _CMAX.c and calculate P _channel.c according to the received UL grant, and the UE recalculates PHR=P _CMAX.c -P _channel.c , but the UE does not compete. To the UL UCC, the PHR calculation is not accurate enough. In particular, the PHR feedback corresponding to the UL UCC that does not compete is the real PHR, but in reality it is the virtual PHR, which will affect the next UL scheduling problem.

It should be noted that, when the reporting type of the PHR _c (i) includes the real power margin report real PHR and the virtual power margin report virtual PHR are simultaneously reported, when the network side receives the PUCCH and/or the PUSCH, it indicates real The PHR is valid; when the PUCCH and/or the PUSCH are not received on the network side, it indicates that the virtual PHR is valid. That is, whether the real PHR or the virtual PHR is valid can be determined according to whether the PUCCH and/or the PUSCH are received.

In an embodiment of the present disclosure, in the case where the offset is the power offset and the power parameter is P _c (i) of the terminal, the power adjustment manner includes: adjusting the P _{c of the} terminal according to at least one of the following formulas ( i): P _c (i)=min(P _CMAX.c (i), P _channel.c (i)+P _offset1.c (i)); P _c (i)=min(P _CMAX.c (i ), P _channel.c (i)+P _offset2.c (i)); where min() represents a function of taking the minimum value, and P _channel.c (i) is the i-th uplink subframe on the carrier index c The actual calculated physical channel power of the terminal, P _offset1.c (i) is the power offset defined for P _channel.c (i), and P _offset2.c (i) is the power defined for P _c (i) Offset.

Adjusting P _c (i) of the terminal by P _offset1.c (i), the adjustment range of P _c (i) is small, so the corresponding signaling overhead is small; adjusting P of the terminal by P _offset2.c (i) _c (i), the adjustment range of P _c (i) is large, and a faster adjustment effect can be obtained.

In one embodiment of the present disclosure, in the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall, and the power parameter is the terminal P _c (i), the power parameter adjustment mode Can include:

Adjust the terminal P _c (i) according to the following formula: P _c (i)=min(P _Thresh.c (i), P _CMAX.c (i), P _channel.c (i)); where min() A function indicating the minimum value, P _channel.c (i) is the actually calculated physical channel power of the terminal of the i-th uplink subframe on the carrier index c, and P _Thresh.c (i) is the defined P _Thresh.c (i). With this method, since P _Thresh.c (i) is adjusted for P _c (i), the adjustment range is large, and a faster adjustment effect can be obtained.

It should be noted that after the P _c (i) of the terminal is adjusted as described above, the method further includes: adjusting X _{Thresh_max} according to P _c (i) of the adjusted _terminal . Specifically, you can adjust X _{Thresh_max} according to the following formula:

Where T _A = 10 dB, corresponding to the traffic channel T _A = 5 dB, corresponding to other channels; P _H = 23 dBm, P _TX corresponds to the maximum output power set by the node on the carrier, or the actual transmit power of the node on the corresponding carrier P _c (i T _max (dBm) = 10 · log 10 (3.16228 · 10 ^-8 (mW / MHz) · BWMHz (MHz)).

It should be noted that P _Thresh.c (i) is equal to P _CMAX.c (i) when the energy detection threshold is not used for lifting on the network side.

In an embodiment of the present disclosure, in the case where the offset is the energy detection threshold offset X _{Thresh_offset} and the power parameter is X _{Thresh_max} , the power parameter adjustment manner may include: adjusting the X _{Thresh_max of the} terminal by using the following formula: X _{Thresh_max} =X _{Thresh_max} +X _{Thresh_offset} . This method directly adjusts the calculated threshold to obtain a faster adjustment effect.

It should be noted that, before adjusting X _{Thresh_max} , the method further includes: determining whether the energy detection threshold rise and fall is required on the terminal side; and adjusting X _{Thresh_max if necessary} . Specifically, the terminal may determine whether the terminal needs to perform the energy detection threshold rise and fall according to at least one of the following: a competition success probability of the terminal, an uplink data error block rate of the terminal, a signal and interference noise ratio of the terminal, a buffer status report of the terminal, and a terminal. The calculated load level of the current carrier, the received signal strength measured by the terminal indicate the measured amount of the LAA RSSI, the ratio of the number of UL grants sent by the network side autonomous statistics, and the number of actual lines sent by the terminal.

It should be noted that the foregoing method may be applied to a terminal side device, and may also be applied to a network side device, such as a base station, but is not limited thereto.

For a better understanding of the present disclosure, the present disclosure is further described below in conjunction with the preferred embodiments. Explanation. In order to better understand this embodiment, make the following statement:

Statement 1: The ON/OFF time mask of the transmitting or receiving device in the LTE/LTE-A system is defined as the observation period from the transmit power OFF state to the transmit power ON state, and the observation of the transmit power ON state to the transmit power OFF state. For the convenience of narration and marking, here is a unified OUTM (ON/OFF time mask).

Statement 2: CCA is equivalent to LBT (Listen Before Talk).

Statement 3: For ease of description, the carrier index c and the subframe index i may be omitted in the embodiment of the present disclosure;

For example, P _c (i)=min(P _CMAX.c (i), P _channel.c (i)) and P _c =min(P _CMAX.c , P _channel.c ) and P=min(P _CMAX ,P _Channel ) is equivalent.

Embodiment 1:

FIG. 2 is a schematic diagram of CCA advance detection according to an embodiment of the present disclosure. As shown in FIG. 2, by defining a time offset, P _CMAX.c (i) is determined, and the UE performs CCA detection in advance with respect to a subframe boundary, and the time advances. The amount M is at least the length of time allowed by the OOTM, which can be used for OOTM operations, which can be used for the P _CMAX.c (i) setting, which can be used to transmit the occupancy signal.

Advantages: The above solution avoids, for example, the UE performing CCA detection, that is, the UE only sets P _CMAX.c (i) after successfully competing to the UL UCC, and the UE according to P _CMAX.c (i) and P _channel.c (i) For uplink power control, OOTM is not instantaneous for the UE.

Embodiment 2:

FIG. 3 is a schematic diagram of CCA not detecting in advance according to an embodiment of the present disclosure. As shown in FIG. 3, by determining a time offset, P _CMAX.c (i) is determined, and the UE does not perform CCA detection in advance with respect to a subframe boundary. The duration M of the first portion of the first subframe in the one or more successful subscriptions to the uplink subframe is at least the duration allowed by the OOTM, the front portion duration M being used for OOTM operation, and the front portion duration M being transmittable Occupy signal.

Advantages: The above solution avoids, for example, the UE performing CCA detection, that is, the UE only sets P _CMAX.c (i) after successfully competing to the UL UCC, and the UE according to P _CMAX.c (i) and P _channel.c (i) For uplink power control, OOTM is not instantaneous for the UE.

Embodiment 3:

4 is a schematic diagram of a calculation reference of P _CMAX.c according to an embodiment of the present disclosure. As shown in FIG. 4, by determining whether to perform a CCA process, P _CMAX.c (i) is determined, and for an uplink subframe U1 in which a CCA process is performed, After receiving the uplink scheduling or the UL grant, the UE performs P _CMAX.c (i) setting of the uplink subframe, _where the downlink subframe carrying the UL grant is D; it is assumed that the UE successfully competes with U1 and U2 at time U1. U3, the UE performs the P _CMAX.c (i) setting of the uplink subframe at any time in the uplink sub-frames U2 and U3 that are determined by the UE in addition to the U1 that performs the CCA process.

Advantages: The above solution solves, for example, the UE always sets P _CMAX.c (i) according to the received UL grant regardless of whether the UE successfully competes for the UL UCC. For the pre-calculated power limitation, the UE does not actually Competing with the UL UCC, the overall power efficiency is low.

Embodiment 4:

FIG. 5 is a schematic diagram of a PHR delay according to an embodiment of the present disclosure. As shown in FIG. 5, the PHR report is determined by defining a time offset, and the UE performs the PHR report after the uplink subframe U1 of the CCA process is triggered. If the UE is not successfully contending for the UL UCC, the UE performs PHR reporting on the uplink subframe with a delay of N ms, or delays the PHR report to the first available uplink subframe. The delayed PHR is discarded if the delayed PHR is delayed with the PHR of the uplink subframe delayed by N ms, or the delayed PHR collides with the PHR delayed to the first available uplink subframe.

Advantages: The above solution avoids the situation of frequent drop PHR, which is beneficial to better resource scheduling on the network side.

Embodiment 5:

FIG. 6 is a schematic diagram of multi-type PHR feedback according to an embodiment of the present disclosure, as shown in FIG. 5 Ci, indicates the SCell index, P indicates whether there is power backoff, V indicates real PHR or virtual PHR, R is a reserved bit, A indicates whether real PHR and virtual PHR are transmitted at the same time, and PH indicates a specific power margin.

More specifically, when V is "0", the value indicates real PHR, and V is "1" value indicates virtual PHR; when A is "0", it indicates that real PHR and virtual PHR are not transmitted at the same time, the corresponding type at the dotted position, The bit field of the Cell does not exist or the bit in the corresponding position is used as a reservation. When A is a value of "1", it indicates that the real PHR and the virtual PHR are transmitted at the same time, and the bit field of the corresponding Type and Cell exists at the position of the dotted line, for example, when V When the value is "0" and A is "1" value, the bit field corresponding to the Type and Cell at the dotted line position represents the virtual PHR except for the R bit. When V is "1" value and A is "1" value, the dotted line The bit field corresponding to the Type and Cell in the position represents the real PHR except for the R bit.

More specifically, when A is a value of "1", the network side determines whether the real PHR is valid or the virtual PHR is valid according to whether the PUCCH and/or the PUSCH is received. When the PUCCH and/or the PUSCH are received, the network determines that the real PHR is valid. When the PUCCH and/or PUSCH are not received, it is determined that the virtual PHR is valid.

In addition, the present embodiment may also be implemented in an implicit manner, that is, the network side determines whether the PHR is valid or invalid by using an implicit indication. More specifically, for example, the network side detects whether the UE sends uplink data in the measurement calculation subframe. If the detection sends the uplink data, the PHR is considered valid, otherwise it is considered invalid.

Advantages: The above solution avoids that the UE always sets P _cmax.c and calculates P _channel.c according to the received UL grant regardless of whether the UE successfully competes for the UL UCC.

The UE recalculates PHR=P _cmax.c -P _channel.c , but in fact the UE does not compete with the UL UCC. The disadvantage is that the PHR calculation is not accurate enough, especially the PHR feedback corresponding to the uncompetitive UL UCC is Real PHR, but in fact it is virtual PHR, will affect the next UL scheduling problem.

Example 6:

7 is a schematic diagram of multi-subframe PHR feedback according to an embodiment of the present disclosure. As shown in FIG. 7, Ci represents SCell index, P indicates whether there is power backoff, V indicates real PHR or virtual PHR, and R is a reserved bit. A indicates whether real PHR and virtual PHR are transmitted at the same time, and PH indicates a specific power margin.

More specifically, when B is a "0" value, it means that the PHR triggered by the current subframe and the PHR triggered by the previous subframe are not simultaneously transmitted, and the bit field corresponding to the Type and Cell at the dotted position does not exist or the corresponding position is The bit is used as a hold. When B is a value of "1", it indicates that the PHR in which the current subframe is triggered and the PHR in which the previous subframe is triggered are simultaneously transmitted. The bit field of the corresponding Type and Cell at the dotted line position exists. The PHRs in which the previous subframes are triggered are in descending order, for example, the current subframe is n, and the previously triggered subframes have n-5 and n-8, respectively, and the feedback order is sequentially PHR and n-5 subframes of the n subframes. PHR, PHR of n-8 subframes.

Advantages: The above solution avoids that the UE always sets P _cmax.c and calculates P _channel.c according to the received UL grant regardless of whether the UE successfully competes for the UL UCC.

The UE recalculates PHR=P _cmax.c -P _channel.c , but in fact the UE does not compete with the UL UCC. The disadvantage is that the PHR calculation is not accurate enough, so that the PHR that is triggered by the current subframe is transmitted at the same time. When the PHR of the previous subframe is triggered, the network side can clearly judge the power margin and the path loss of the UE side.

Example 7:

Adjusting the P _c (i) of the UE by defining a power offset, and defining a power offset P _offset1.c (i) for P _channel.c (i);

That is, P _c (i)=min(P _CMAX.c (i), P _channel.c (i)+P _offset1.c (i)), and then adjust the X of the UE indirectly according to the P _c (i) of the UE. _{Thresh_max} .

Specifically, X _{Thresh_max} is adjusted according to the following formula, where P _TX corresponds to P _c (i).

Advantage: Since P _offset1.c (i) is a small range adjustment for P _channel.c (i), the corresponding signaling overhead is small.

Example 8:

Adjusting the P _c (i) of the UE by defining a power offset, and defining a power offset P _offset2.c (i) for P _c (i);

That is, P _c (i)=min(P _CMAX.c (i), P _channel.c (i)+P _offset2.c (i)), and then adjust the X of the UE indirectly according to the P _c (i) of the UE. _{Thresh_max} .

Specifically, X _{Thresh_max} is adjusted according to the following formula, where P _TX corresponds to P _c (i).

Advantages: Since P _offset2.c (i) is adjusted for P _c (i), the adjustment range is large, and a faster adjustment effect can be obtained.

Example 9:

Adjusting the P _c (i) of the UE by defining a power variable P _Thresh.c (i) for the energy detection threshold rise and fall variation;

That is, P _c (i)=min(P _Thresh.c (i), P _CMAX.c (i), P _channel.c (i)), and then adjust the X of the UE indirectly according to the P _c (i) of the UE. _{Thresh_max} .

When the network side does not enable the energy detection threshold to rise and fall, the UE side assumes that P _Thresh.c (i) is equal to P _CMAX.c (i), then,

P _c (i)=min(P _Thresh.c (i), P _CMAX.c (i), P _channel.c (i))=min(P _CMAX.c (i), P _channel.c (i) ), that is, the network side does not perform the energy detection threshold lifting intervention, and the UE's X _{Thresh_max is} indirectly adjusted according to the P _c (i) of the adjusted UE.

Specifically, X _{Thresh_max} is adjusted according to the following formula, where P _TX corresponds to P _c (i).

Advantages: Since P _Thresh (i) is adjusted for P _c (i), the adjustment range is large, and a faster adjustment effect can be obtained.

Example 10:

The X _{Thresh_max of the} UE is adjusted by defining an energy detection threshold offset, and the X _{Thresh_max of the} UE is directly adjusted according to the defined energy detection threshold offset X _{Thresh_offset} ;

That is, X _{Thresh_max} = X _{Thresh_max} + X _{Thresh_offset} .

Advantages: Adjust directly to the calculated threshold to get faster adjustments.

Example 11:

Adjusting the X _{Thresh_max} of the UE by adjusting the P _c (i) of the UE or defining the energy detection threshold offset X _{Thresh_offset} , and the network side passes at least one of the following manners, the competition success probability of the terminal side feedback terminal, and the uplink data error block of the terminal. Rate (equivalent to the correct rate, equivalent to NACK number/total block number, equivalent to ACK number/total block number, equivalent to NACK number/ACK number, equivalent to ACK number/NACK number), signal to interference and noise ratio of the terminal The buffer status report of the terminal, the terminal statistics of the load level of the current carrier, the LAA RSSI measurement quantity measured by the terminal, the ratio of the number of UL grants sent by the network side autonomic statistics, and the actual number of lines sent by the terminal to determine whether the terminal side needs energy. The threshold rise and fall is detected. For example, the UE feeds back the competition success probability to the network side, and the network side determines that the UE has a low probability of competing success, and needs to increase the X _{Thresh_max} to improve the UE's competition success probability. The network side may according to the embodiment six, seven, eight, and nine. To achieve the adjustment of X _{Thresh_max} .

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on this rationale The solution of the technical solution of the present disclosure, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as a read-only memory (ROM). / RAM (Random Access Memory), disk, CD-ROM, including a number of instructions to enable a terminal device (which may be a cell phone, computer, server, or network device, etc.) to perform various implementations of the present disclosure The method described in the example.

In the embodiment, a power parameter adjustment device is further provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 8 is a structural block diagram of a power parameter adjustment apparatus according to an embodiment of the present disclosure. As shown in FIG. 8, the apparatus includes

The determining module 80 is configured to determine a power parameter adjustment manner according to whether an offset of the power parameter relative to the terminal and/or an uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process;

The adjustment module 82 is connected to the determination module 80 and configured to adjust the power parameter according to the power adjustment mode.

The power parameter adjustment mode is determined by using the foregoing apparatus, according to whether the offset of the power parameter relative to the terminal and/or the uplink subframe corresponding to the power parameter is a clean channel assessment CCA process; and adjusting the power parameter according to the power parameter adjustment manner That is, the power parameter is adjusted according to whether the offset and/or the uplink subframe performs a clean channel evaluation CCA process, so that the power parameter can be well adjusted, thereby solving the power parameter adjustment in the unlicensed carrier in the related art. Reasonable question.

It should be noted that, in the case where the offset is a time offset, the power parameter is the set time of P _CMAX.c (i) or the reporting time of PHR _c (i); the offset is the power offset In the case where the power parameter is P _c (i) of the terminal or the detection threshold X _{Thresh_max of the terminal} ; in the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall, the power parameter P _c (i) or X _{Thresh_max of the terminal} ; in the case where the offset is the energy detection threshold offset X _{Thresh_offset} , the power parameter is X _{Thresh_max} ; whether the clean channel is evaluated according to the uplink subframe corresponding to the power parameter In the case of the CCA process to determine the power parameter adjustment mode, the power parameter is the set time of P _CMAX.c (i) or the reporting type of PHR _c (i); where P _c (i) is the ith of the carrier index c The calculated power of the terminal of the uplink subframe, P _CMAX.c (i) is the maximum transmit power of the allowed terminal of the i-th uplink subframe on the carrier index c, and PHR _c (i) is the i-th uplink on the carrier index c Power margin report for the subframe's terminal, P _Thresh.c (i) is the ith on carrier index c The power variable of the terminal of the uplink subframe, where i is an integer.

It should be noted that, for the explanation of the specific power parameter adjustment manner corresponding to the foregoing power parameters, reference is made to the explanation of the power parameter adjustment manner in the embodiment shown in FIG. 1 , and details are not described herein again.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

Embodiments of the present disclosure also provide a computer storage medium. Optionally, in the embodiment, the above computer storage medium may be configured to store program code for performing the following steps:

S1. Determine a power parameter adjustment manner according to an offset of a power parameter relative to the terminal and/or an uplink subframe corresponding to the power parameter, whether a clean channel assessment CCA process is performed.

S2, the power parameter is adjusted according to the power adjustment mode.

In this embodiment, the foregoing storage medium may include, but is not limited to, a U disk, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.

For specific examples in this embodiment, reference may be made to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It will be apparent to those skilled in the art that the various modules or steps of the present disclosure described above are apparent. It can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they can be implemented by program code executable by the computing device, such that They may be stored in a storage device by a computing device, and in some cases, the steps shown or described may be performed in an order different than that herein, or separately fabricated into individual integrated circuit modules. Alternatively, multiple modules or steps of them can be implemented as a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.

The above description is only a preferred embodiment of the present disclosure, and is not intended to limit the disclosure, and various changes and modifications may be made to the present disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and scope of the present disclosure are intended to be included within the scope of the present disclosure.

Industrial applicability

The technical solution of the embodiment of the present disclosure determines whether the power parameter adjustment mode is determined according to whether the offset of the power parameter relative to the terminal and/or the uplink subframe corresponding to the power parameter performs a clean channel assessment CCA process; To adjust the power parameter, that is, to adjust the power parameter according to whether the offset and/or the uplink subframe performs a clean channel evaluation CCA process, and then the power parameter can be well adjusted, thereby solving the problem in the unlicensed carrier in the related art. Unreasonable adjustment of power parameters.

Claims (21)

1. A power parameter adjustment method includes:

   Determining a power parameter adjustment manner according to an offset of a power parameter relative to the terminal and/or an uplink subframe corresponding to the power parameter, whether a clean channel estimation process is performed;

   The power parameter is adjusted according to the power adjustment mode.
2. The method of claim 1 wherein

   In the case where the offset is a time offset, the power parameter is a set time of P _CMAX.c (i) or a reporting time of PHR _c (i);

   In the case that the offset is a power offset, the power parameter is P _c (i) of the terminal or a detection threshold X _{Thresh_max of} the terminal;

   In the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall, the power parameter is P _c (i) or the X _{Thresh_max of the terminal} ;

   In the case that the offset is the energy detection threshold offset X _{Thresh_offset} , the power parameter is the X _{Thresh_max} ;

   In the case where the power parameter adjustment mode is determined according to whether the uplink subframe corresponding to the power parameter performs a clean channel estimation process, the power parameter is a set time of P _CMAX.c (i) or PHR _c (i) Report type

   Where P _c (i) is the calculated power of the terminal of the i th uplink subframe on the carrier index c, and P _CMAX.c (i) is the maximum transmit power of the allowed terminal of the i th uplink subframe on the carrier index c , PHR _c (i) is the power margin report of the terminal of the i th uplink subframe on the carrier index c, and P _Thresh.c (i) is the power variable of the terminal of the i th uplink subframe on the carrier index c, i Is an integer.
3. The method according to claim 2, wherein, in the case where the offset is a time offset and the power parameter is a set time of P _CMAX.c (i), the power parameter adjustment manner includes the following one:

   Performing the clean channel evaluation detection before a first predetermined time before a start boundary of the i th uplink subframe; setting P _CMAX.c (i) in the first predetermined time; wherein, the a predetermined time is the time offset;

   The clean channel assessment detection is not performed before the start boundary of the ith uplink subframe, in the first uplink subframe in the uplink subframe of one or more successfully contending uplink unlicensed component carriers. P _CMAX.c (i) is set in a second predetermined time, wherein the second predetermined time is starting from a starting boundary of the first uplink subframe, and starting from the first uplink subframe The start boundary is added to the second predetermined time as a time period indicated by the end point, and the second predetermined time is the time offset.
4. The method according to claim 3, wherein said time offset is at least a duration allowed by an on/off time template, said on/off time template being said terminal from a transmit power off state to a transmit power off state The observation period is either an observation period from a transmit power on state to a transmit power off state.
5. The method of claim 4, wherein the time offset is further used for operation of the on/off time template and/or transmission of an occupancy signal.
6. The method according to claim 2, wherein, in the case that the offset is a time offset and the power parameter is a reporting time of PHR _c (i), the power parameter adjustment manner includes:

   After the terminal is triggered to perform the reporting of the PHR _c (i), if the terminal does not compete for the uplink unlicensed component carrier, the PHR _c (i) is performed on the jth uplink subframe. The reporting, wherein the jth uplink subframe is an uplink subframe delayed by a third predetermined time relative to the ith uplink subframe or is the first available uplink subframe after the ith subframe a frame; wherein, the third predetermined time or a time difference between the first available uplink subframe and the ith uplink subframe after the ith subframe is the time offset, where j is Integer.
7. The method according to claim 6, wherein in the case where the PHR _c (i) collides with the PHR _c (j) of the jth uplink subframe, on the jth uplink subframe Discarding the PHR _c (i);

   Or reporting the PHR _c (i) and the PHR _c (j) simultaneously on the jth uplink subframe, where the PHR _c (j) is the jth uplink subframe on the carrier index c Power margin report for the terminal.
8. The method according to claim 2, wherein, in the case where the offset is a time offset and the power parameter is a reporting time of PHR _c (i), the parameter adjustment manner includes: PHR _c (in) of the triggered in-th uplink subframe and the PHR _c (i) of the i-th uplink subframe are simultaneously reported on the i-th uplink subframe; wherein the time offset For the time difference between the ith uplink subframe and the first uplink subframe, the PHR _c (in) is a power margin report of the terminal of the jth uplink subframe on the carrier index c, where n is less than A positive integer of 1.
9. The method according to claim 2, wherein, at a set time of the power parameter being P _CMAX.c (i), determining a power parameter adjustment according to whether an uplink subframe corresponding to the power parameter performs a clean channel estimation process Ways include:

   Performing the P _iMAX.c (i) setting of the ith uplink subframe after receiving the uplink scheduling or uplink grant for the ith uplink subframe in the process of performing the clean channel estimation process; In the uplink subframe of the authorized component carrier, in addition to the ith uplink subframe of the clean channel estimation process, the P _{iMAX of} the ith uplink subframe may be performed at any time. (i) Settings.
10. The method according to claim 2, wherein, in the reporting type of the power parameter being PHR _c (i), determining whether the power parameter adjustment mode is included according to whether the uplink subframe corresponding to the power parameter performs a clean channel estimation process comprises: :

    For the ith uplink subframe in which the clean channel estimation process is performed, the report type of the PHR _c (i) includes: real power margin report reporting, virtual power margin report reporting, real power margin report, and virtual power The margin report is simultaneously reported; the PHR _c (i) is reported in the uplink subframe except for the ith uplink subframe in which the clean channel estimation process is performed in the uplink subframe that successfully competes to the uplink unlicensed component carrier. Types include: report of real power margin report, report of virtual power margin report.
11. The method according to claim 10, wherein, in the case that the report type of the PHR _c (i) includes the real power margin report and the virtual power margin report are simultaneously reported, the physical uplink control channel is received on the network side and When the physical uplink shared channel is used, it indicates that the real power margin report is valid; when the physical uplink control channel and/or the physical uplink shared channel are not received by the network side, it indicates that the virtual power margin report is valid.
12. The method according to claim 2, wherein, in a case where the offset is a power offset and the power parameter is P _c (i) of the terminal, the power adjustment manner includes:

    Adjusting P _c (i) of the terminal according to at least one of the following formulas:

    P _c (i)=min(P _CMAX.c (i), P _channel.c (i)+P _offset1.c (i));

    P _c (i)=min(P _CMAX.c (i), P _channel.c (i)+P _offset2.c (i));

    Wherein, min() represents a function of taking the minimum value, and P _channel.c (i) is the actually calculated physical channel power of the terminal of the i-th uplink subframe on the carrier index c, and P _offset1.c (i) is P _channel.c (i) defines the power offset, P _offset2.c (i) is the power offset defined for P _c (i).
13. The method according to claim 2, wherein said offset is a power variable P _Thresh.c (i) for energy detection threshold rise and fall, said power parameter being P _c (i) of said terminal In the case of the power parameter adjustment, the method includes:

    Adjusting P _c (i) of the terminal according to the following formula: P _c (i)=min(P _Thresh.c (i), P _CMAX.c (i), P _channel.c (i)); wherein, min () represents the function taking the minimum value, P _channel.c (i) is the actually calculated physical channel power of the terminal of the i-th uplink subframe on the carrier index c, and P _Thresh.c (i) is the defined P _{Thresh .c} (i).
14. The method of claim 2, wherein after adjusting the P _c (i) of the terminal, the method further comprises: adjusting the X _{Thresh_max} according to the adjusted P _c (i) of the terminal.
15. The method according to claim 13 or 14, wherein said P _Thresh.c (i) is equal to said P _CMAX.c (i) when no energy detection threshold rise or fall is used on the network side.
16. The method according to claim 1, wherein, in a case where the offset is an energy detection threshold offset X _{Thresh_offset} and the power parameter is the X _{Thresh_max} , the power parameter adjustment manner includes:

    The X _{Thresh_max of} the terminal is adjusted by the following formula: X _{Thresh_max} = X _{Thresh_max} + X _{Thresh_offset} .
17. The method according to claim 16, wherein before adjusting the X _{Thresh_max} , the method further comprises: determining whether an energy detection threshold rise and fall change is required on the terminal side; and adjusting the X _{Thresh_max if necessary} .
18. The method according to claim 17, wherein determining whether the terminal needs to perform an energy detection threshold rise and fall change according to at least one of the following:

    a competition success probability of the terminal, an uplink data error block rate of the terminal, a signal to interference noise ratio of the terminal, a buffer status report of the terminal, a current carrier load level of the terminal, and the The received signal strength measured by the terminal indicates the measured quantity of the received signal strength indication of the authorized auxiliary access, the ratio of the uplink authorized number sent by the network side autonomous statistics, and the actual number of lines sent by the terminal.
19. A power parameter adjustment device includes:

    a determining module, configured to determine a power parameter adjustment manner according to an offset of a power parameter relative to the terminal and/or an uplink subframe corresponding to the power parameter:

    And an adjustment module configured to adjust the power parameter according to the power adjustment manner.
20. The device according to claim 19, wherein

    In the case where the offset is a time offset, the power parameter is a set time of P _CMAX.c (i) or a reporting time of PHR _c (i);

    In the case where the offset is a power offset, the power parameter is P _c (i) of the terminal or a detection threshold X _{Thresh_max of} the terminal;

    In the case where the offset is the power variable P _Thresh.c (i) for the energy detection threshold rise and fall, the power parameter is P _c (i) or the X _{Thresh_max of the terminal} ;

    In the case that the offset is the energy detection threshold offset X _{Thresh_offset} , the power parameter is the X _{Thresh_max} ;

    In the case where the power parameter adjustment mode is determined according to whether the uplink subframe corresponding to the power parameter performs a clean channel estimation CCA procedure, the power parameter is a set time of P _CMAX.c (i) or PHR _c (i) Report type

    Where P _c (i) is the calculated power of the terminal of the i th uplink subframe on the carrier index c, and P _CMAX.c (i) is the maximum transmit power of the allowed terminal of the i th uplink subframe on the carrier index c , PHR _c (i) is the power margin report of the terminal of the i th uplink subframe on the carrier index c, and P _Thresh.c (i) is the power variable of the terminal of the i th uplink subframe on the carrier index c, i Is an integer.
21. A computer storage medium having stored therein computer executable instructions configured to perform the power parameter adjustment method of any of claims 1-18.

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