CN112533228A - Beam switching method and device, network side equipment and terminal - Google Patents
Beam switching method and device, network side equipment and terminal Download PDFInfo
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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Abstract
The invention provides a beam switching method, a beam switching device, network side equipment and a terminal, wherein the method comprises the following steps: acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment; wherein the service beam and the target beam correspond to different coverage areas or coverage levels. By adopting the method, the terminal can acquire the measurement configuration information corresponding to the service beam and/or the target beam, wherein the service beam and the target beam correspond to different coverage areas or coverage levels, so that the terminal can perform beam quality measurement based on the measurement configuration information and switch between beams with different coverage areas or coverage levels.
Description
Technical Field
The present invention relates to the field of wireless technologies, and in particular, to a method and an apparatus for switching beams, a network side device, and a terminal.
Background
In the conventional art, a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS), and a Physical Broadcast Channel (PBCH) are transmitted in a Synchronization Signal Block (SS-Block, SSB). The SSB is periodically transmitted according to a Synchronous Measurement Timing Configuration (SMTC) period and an SMTC duration.
Wherein, a plurality of SSBs are transmitted in the SMTC duration, the SSBs with different index have different transmission directions, and the whole coverage of the cell is realized through SSB beam sweeping (beam sweeping).
However, in an actual wireless network, coverage holes may exist, for example, signals in a building are poor due to puncturing, and one way to solve the problem is to implement coverage enhancement by appropriately configuring SSB transmission, specifically, in an extended coverage scenario, the transmission directions of SSBs of different indexes in the SMTC duration are likely to be the same, and extended coverage is implemented by retransmission. Based on the method, the network can have the SSB with normal coverage and the SSB with enhanced coverage at the same time, and the handover between the SSBs with different coverage capabilities becomes the research focus of the current wireless network technology.
Disclosure of Invention
The technical scheme of the invention aims to provide a beam switching method, a beam switching device, network side equipment and a terminal, which are used for realizing switching between beams with different coverage capabilities.
The embodiment of the invention provides a beam switching method, which is applied to a terminal, wherein the method comprises the following steps:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the beam switching method, wherein the method further includes:
and when the beam quality of the service beam of the terminal reaches a first threshold and/or the beam quality of the target beam reaches a second threshold, switching from the service beam to the target beam.
Optionally, the beam switching method, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the beam switching method, wherein the beam-related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the beam switching method, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the beam switching method, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, in the beam switching method, according to the measurement start information, when at least one of the following conditions is satisfied, starting measurement on the target beam:
the beam quality meets the measurement turn-on threshold;
the number of times that the beam quality meets the measurement turn-on threshold is greater than or equal to the first counting number of times;
within the first timing duration, the beam quality meets the measurement turn-on threshold;
within the first timing duration, the number of times that the beam quality satisfies the measurement turn-on threshold is greater than or equal to the first count number of times.
Optionally, the beam switching method, wherein the method further includes:
and receiving indication information which indicates whether to carry out measurement reporting and is sent by the network side equipment.
Optionally, the beam switching method, wherein the method further includes: and when at least one of the following conditions is met, performing beam measurement reporting:
the beam quality of the measurement beam reaches a third threshold;
within a second preset time length, the beam quality of the measuring beam meets a fourth threshold;
within a third preset time length, the frequency that the beam quality of the measuring beam meets a fifth threshold reaches a second counting frequency;
among the plurality of measured beams, the beam quality of the M beams with the highest beam quality reaches a sixth threshold, wherein M is an integer;
the beam quality of the service beam in the measurement beams is lower than or equal to the seventh threshold, and the beam quality of the target beam in the measurement beams is higher than or equal to the eighth threshold.
Optionally, the beam switching method, wherein the method further includes: defining an event of at least one of the following as a measurement reporting event:
the first preset measurement times are continuous, and the beam quality of the measurement beam meets a first condition;
within a fourth preset time length, the beam quality of the measuring beam meets a second condition;
within a fifth preset time length, the frequency that the beam quality of the measurement beam meets a third condition reaches a second preset measurement frequency;
the beam quality of the N beams with the highest beam quality in the plurality of measurement beams meets a fourth condition; wherein N is an integer;
measuring a beam quality of a serving one of the beams to be lower than or equal to a fifth condition, while measuring a beam quality of a target one of the beams to be higher than or equal to a sixth condition;
a difference between the beam quality of the service beam in the measurement beam and the beam quality of the target beam in the measurement beam satisfies a seventh condition.
The embodiment of the invention also provides a beam switching method, which is applied to network side equipment, wherein the method comprises the following steps:
transmitting measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the beam switching method, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the beam switching method, wherein the beam-related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the beam switching method, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the beam switching method, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the beam switching method, wherein the method further includes:
and sending indication information indicating whether to carry out measurement reporting to the terminal.
The embodiment of the invention also provides a beam switching device, which is applied to a terminal, wherein the device comprises:
the information acquisition module is used for acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
The embodiment of the present invention further provides a beam switching apparatus, which is applied to a network side device, wherein the apparatus includes:
the information sending module is used for sending the measurement configuration information of the service beam and/or the target beam to the terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
An embodiment of the present invention further provides a terminal, including a transceiver, where the transceiver is configured to:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
The embodiment of the present invention further provides a network side device, which includes a transceiver, where the transceiver is configured to:
transmitting measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
An embodiment of the present invention further provides a terminal, where the terminal includes: a processor, a memory and a program stored on the memory and executable on the processor, the program when executed by the processor implementing the beam switching method as defined in any one of the above.
An embodiment of the present invention further provides a network-side device, which includes a processor, a memory, and a program stored in the memory and executable on the processor, where the program, when executed by the processor, implements the beam switching method according to any one of the above.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores thereon a computer program, and when the computer program is executed by a processor, the computer program implements the steps in the beam switching method according to any one of the above.
At least one of the above technical solutions of the present invention has the following beneficial effects:
according to the beam switching method provided by the embodiment of the invention, the terminal can acquire the measurement configuration information corresponding to the service beam and/or the target beam, wherein the service beam and the target beam correspond to different coverage areas or coverage levels, so that the terminal can measure the beam quality based on the measurement configuration information and switch between beams with different coverage areas or coverage levels.
Drawings
Fig. 1 is a flowchart illustrating a beam switching method according to an embodiment of the present invention;
fig. 2 is a second flowchart illustrating a beam switching method according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a beam switching apparatus according to an embodiment of the present invention;
fig. 4 is a second schematic structural diagram of the beam switching apparatus according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 6 is a second schematic structural diagram of a network-side device according to the embodiment of the present invention;
fig. 7 is a second schematic structural diagram of the terminal according to the embodiment of the present invention;
fig. 8 is a second schematic structural diagram of a network-side device according to the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
In order to implement handover between beams with different coverage capabilities, a network side device according to an embodiment of the present invention sends measurement configuration information corresponding to a service beam and/or a target beam to a terminal, where the service beam and the target beam correspond to different coverage areas or coverage levels, so that the terminal can perform beam quality measurement based on the measurement configuration information to perform handover between beams with different coverage areas or coverage levels.
As shown in fig. 1, the beam switching method according to one embodiment of the present invention is applied to a terminal, and includes:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
In one embodiment, the serving beam is one of a normal coverage beam and an extended coverage beam, and the target beam is the other of the normal coverage beam and the extended coverage beam.
In another embodiment, the serving beam is one of the beam coverage levels, and the target beam is a coverage level of the beam coverage level that is different from the coverage level of the serving beam.
It should be noted that the normal coverage beam is a beam normally transmitted according to a pre-configured transmission period, and the extended coverage beam is a beam for implementing coverage enhancement through retransmission. Those skilled in the art will appreciate that the normal coverage beam differs from the extended coverage beam and will not be described in detail herein.
In this embodiment of the present invention, optionally, the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
It should be noted that the beam related information refers to beam information that needs to perform beam measurement, and includes a service beam and/or a target beam. Optionally, in one embodiment, the beam-related information may further include beam information of a beam operating in the active BWP and/or beam information of a beam operating in the target BWP.
In this embodiment of the present invention, optionally, the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
In the embodiment of the present invention, optionally, the measurement Reference symbol includes an SSB and/or a Channel State Information Reference Signal (CSI-RS); the time domain information includes a period, duration, or transmit offset value of the SSB and/or CSI-RS; the frequency domain information includes: frequency domain locations of SSBs and/or CSI-RSs; for example, the Frequency domain position includes an Absolute Radio Frequency Channel Number (ARFCN), a Frequency domain bandwidth, a center Frequency point of the Frequency domain bandwidth, and/or a start Frequency point of the Frequency domain bandwidth.
Further, in the bandwidth part BWP information of the beam, the BWP information includes: BWP ID, BWP frequency domain bandwidth, center frequency point of frequency domain bandwidth and/or initial frequency point of frequency domain bandwidth.
In this embodiment of the present invention, the measurement mode information is used to instruct the terminal to perform a measurement mode for beam quality measurement, and optionally, the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
It should be noted that, in the embodiment of the present invention, the measurement interval configuration information includes: a measurement interval period, a measurement interval duration, and/or a measurement interval time domain start offset.
In the embodiment of the present invention, the measurement start information is used to instruct the terminal to start parameter information of beam quality measurement, and optionally, the measurement start information includes at least one of a measurement start threshold, a first count number, and a first timing duration.
It should be noted that the measurement start threshold includes, but is not limited to, only Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), and/or demodulation error rate, and is used to instruct the terminal to start measurement on the target beam when the beam Quality of the currently accessed service beam meets a threshold defined by the measurement start threshold.
The first counting times are used for indicating that when the terminal detects the beam quality of the currently accessed source beam, and the detection times that the beam quality meets the preset quality condition exceed the first counting times, the measurement of the target beam is started.
The first timing duration is used for indicating the terminal to start measurement on the target beam if the beam quality meets the preset quality condition in the first timing duration when the beam quality of the accessed service beam is detected.
Specifically, according to the measurement start information, when at least one of the following conditions is satisfied, starting measurement of the target beam:
the beam quality meets the measurement turn-on threshold;
the number of times that the beam quality meets the measurement turn-on threshold is greater than or equal to the first counting number of times;
within the first timing duration, the beam quality meets the measurement turn-on threshold;
within the first timing duration, the number of times that the beam quality satisfies the measurement turn-on threshold is greater than or equal to the first count number of times.
For example, when the measurement start information includes a measurement start threshold, if the service beam is a first coverage beam and the target beam is a second coverage beam, the first coverage is not better than the second coverage, and when the beam quality is less than or equal to the measurement start threshold, the beam quality satisfies the measurement start threshold, and the measurement on the target beam is started;
when the measurement starting information comprises a measurement starting threshold, if the service beam is a second coverage range beam, the target beam is a first coverage range beam, the first coverage range is not better than the second coverage range, and if the beam quality is greater than or equal to the measurement starting threshold, the beam quality meets the measurement starting threshold, and the measurement of the target beam is started;
when the measurement starting information comprises a measurement starting threshold and a first counting number, if the service beam is a first coverage range beam, the target beam is a second coverage range beam, the first coverage range is not better than the second coverage range, and the number of times that the beam quality is less than or equal to the measurement starting threshold exceeds or is equal to the first counting number, the target beam measurement is started;
when the measurement starting information comprises a measurement starting threshold and a first timing frequency, if the service beam is a second coverage range beam, the target beam is a first coverage range beam, the first coverage range is not better than the second coverage range, the frequency that the beam quality is greater than or equal to the measurement starting threshold exceeds or is equal to the first counting frequency, and the target beam measurement is started;
the measurement starting information comprises a measurement starting threshold and a first timing duration, if the service beam is a first coverage range beam and the target beam is a second coverage range beam, the first coverage range is not better than the second coverage range, and the beam quality in the first timing duration is less than or equal to the measurement starting threshold, the target beam quality is started;
the measurement starting information comprises a measurement starting threshold and a first timing duration, if the service beam is a second coverage range beam and the target beam is a first coverage range beam, the first coverage range is not superior to the second coverage range, and the beam quality in the first timing duration is greater than or equal to the measurement starting threshold, the target beam measurement is started;
the measurement starting information comprises a measurement starting threshold, a first counting number and a first timing duration, if the service beam is a first coverage range beam and the target beam is a second coverage range beam, the first coverage range is not superior to the second coverage range, and the number of times that the beam quality is less than or equal to the measurement starting threshold in the first timing duration is greater than or equal to the first counting number, the target beam measurement is started;
and the measurement starting information comprises a measurement starting threshold, a first counting number and a first timing duration, if the service beam is a second coverage range beam and the target beam is a first coverage range beam, the first coverage range is not superior to the second coverage range, and the number of times that the beam quality is greater than or equal to the measurement starting threshold in the first timing duration is greater than or equal to the first counting number, the target beam measurement is started.
Based on the above, the method for switching beams according to the embodiment of the present invention further includes:
and when the beam quality of the service beam of the terminal reaches a first threshold and/or the beam quality of the target beam reaches a second threshold, switching from the service beam to the target beam.
The first threshold and the second threshold may be issued by a network side device, or may be preset in a protocol.
It should be noted that the serving beam and the target beam may be SSB-based beams or CSI-RS-based beams, respectively.
Wherein the beam quality of the service beam of the terminal may be determined to reach a first threshold when any one of the following conditions is satisfied:
the beam quality of the serving beam reaches a first threshold;
the first preset measurement times are continuous, and the beam quality of the service beam meets a first threshold;
within a first preset time length, the beam quality of the service beam meets a first threshold;
within a second preset duration, the frequency that the beam quality of the service beam meets the first threshold reaches or exceeds a second preset measurement frequency;
the beam quality of M service beams among the plurality of service beams having the highest beam quality satisfies a first threshold, where M is a positive integer.
The beam quality of the target beam of the terminal may be determined to reach a second threshold when any of the following conditions is met:
the beam quality of the target beam reaches a second threshold;
the first preset measurement times are continuous, and the beam quality of the target beam meets a second threshold;
within a first preset time length, the beam quality of the target beam meets a second threshold;
within a second preset time length, the frequency that the beam quality of the target beam meets a second threshold reaches or exceeds a second preset measurement frequency;
the beam quality of M target beams of the plurality of target beams having the highest beam quality satisfies a second threshold, where M is a positive integer.
The beam Quality includes at least one of Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), and demodulation error rate.
Based on the above, the first threshold and the second threshold may be threshold values with at least one of RSRP, RSRQ, SINR, and demodulation error rate as evaluation parameters. Wherein when the beam quality decreases or increases to a first threshold or a second threshold, it is determined that the beam quality meets or satisfies the first threshold or the second threshold.
Optionally, the method for switching beams according to the embodiment of the present invention further includes:
and receiving indication information which indicates whether to carry out measurement reporting and is sent by the network side equipment.
Optionally, the network side device may send, to the terminal, indication information indicating whether to perform measurement reporting through a broadcast or Radio Resource Control (RRC) message or the like.
Further, the measurement configuration information transmitted by the network side device may be transmitted to the terminal by broadcast, RRC message, or the like.
Optionally, the beam switching method according to the embodiment of the present invention further includes: and when at least one of the following conditions is met, performing beam measurement reporting:
the beam quality of the measurement beam reaches a third threshold;
within a second preset time length, the beam quality of the measuring beam meets a fourth threshold;
within a third preset time length, the frequency that the beam quality of the measuring beam meets a fifth threshold reaches a second counting frequency;
among the plurality of measured beams, the beam quality of the M beams with the highest beam quality reaches a sixth threshold, wherein M is an integer;
the beam quality of the service beam in the measurement beams is lower than or equal to the seventh threshold, and the beam quality of the target beam in the measurement beams is higher than or equal to the eighth threshold.
Any of the above condition information may be issued by the network side device, or may be predefined by a protocol.
In addition, the above-mentioned beam quality reaching the third threshold, the fourth threshold, the fifth threshold or the sixth threshold includes that the beam quality rises to the third threshold, the fourth threshold, the fifth threshold or the sixth threshold, and also includes that the beam quality falls to the third threshold, the fourth threshold, the fifth threshold or the sixth threshold.
The measurement beams include a service beam and/or a target beam, wherein the thresholds may be different for the service beam and the target beam, respectively.
Optionally, the method of beam switching according to the embodiment of the present invention may further introduce a measurement report event of the terminal to help a network to find a coverage hole or a coverage blind area.
Therefore, optionally, the beam switching method further includes: defining an event of at least one of the following as a measurement reporting event:
the first preset measurement times are continuous, and the beam quality of the measurement beam meets a first condition;
within a fourth preset time length, the beam quality of the measuring beam meets a second condition;
within a fifth preset time length, the frequency that the beam quality of the measurement beam meets a third condition reaches a second preset measurement frequency;
the beam quality of the N beams with the highest beam quality in the plurality of measurement beams meets a fourth condition; wherein N is an integer;
the beam quality of a service beam in the measuring beams is lower than or equal to a fifth condition, and the beam quality of a target beam in the measuring beams is higher than or equal to a sixth condition;
a difference between the beam quality of the service beam in the measurement beam and the beam quality of the target beam in the measurement beam satisfies a seventh condition.
Any of the above condition information may be issued by the network side device, or may be predefined by a protocol.
Further, in each of the measurement reporting events, the condition that the beam quality satisfies the first condition, the second condition, the third condition, or the fourth condition includes at least one of the following situations:
the beam quality is lower than or equal to a corresponding threshold value;
the beam quality is greater than or equal to the corresponding threshold.
For example, if the beam quality of the measurement beam satisfies the first condition for the first predetermined number of consecutive measurements, the following situations may be taken:
in one embodiment, when the beam quality change between any two measurements of the measurement beam meets a preset threshold (a first condition) within a preset number of times, the beam quality is reported to the network side device;
in another embodiment, when the beam quality measured each time of the measurement beam meets a preset threshold (a first condition) within a preset number of times, the beam quality is reported to the network side device;
in another embodiment, when the beam quality change between all the two consecutive measurements of the measurement beam meets a preset threshold (a first condition) within a preset number of times, the beam quality is reported to the network side device;
in another embodiment, when the final beam quality measurement of the measurement beam meets a preset threshold (a first condition), the beam quality is reported to the network side device.
The above-mentioned beam quality change includes an increase in beam quality and also includes a decrease in beam quality.
The measurement beams include a service beam and/or a target beam, wherein the conditions may be different for the service beam and the target beam.
Further, for a case where the beam quality of the N beams with the highest beam quality among the plurality of measurement beams satisfies the fourth condition, the method includes:
the quality of the service beam or the N beams with the highest beam quality in the beams of the service BWP is lower than a certain threshold; or
The quality of the N beams with the highest beam quality among the serving beams or the beams of the serving BWP is below a certain threshold and the target beam quality is above a certain threshold.
It should be noted that, in the embodiment of the present invention, when the beam quality of the N measurement beams with the highest beam quality in the serving beam or the beams of the serving BWP is lower than a certain threshold, it indicates that all beams in the current coverage cannot meet the requirement, and beam switching is required.
In this embodiment of the present invention, each of the thresholds and each of the conditions may use at least one of RSRP, RSRQ, SINR, and demodulation error rate as an evaluation parameter, and specific contents of each of the thresholds and the conditions may be issued by a network side device or may be predefined by a protocol.
An embodiment of the present invention further provides a beam switching method, which is applied to a network side device, and as shown in fig. 2, the method includes:
s210, sending measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
In the beam switching method according to the embodiment of the present invention, the network side device sends measurement configuration information corresponding to the service beam and/or the target beam to the terminal, where the service beam and the target beam correspond to different coverage areas or coverage levels, so that the terminal can perform beam quality measurement based on the measurement configuration information and switch between beams of different coverage areas or coverage levels.
Optionally, the beam switching method, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the beam switching method, wherein the beam-related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the beam switching method, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the beam switching method, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the beam switching method, wherein the method further includes:
and sending indication information indicating whether to carry out measurement reporting to the terminal.
An embodiment of the present invention further provides a beam switching apparatus, which is applied to a terminal, and as shown in fig. 3, the apparatus includes:
an information obtaining module 310, configured to obtain measurement configuration information of a service beam and/or a target beam sent by a network side device;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the beam switching apparatus further includes:
a switching module 320, configured to switch from the serving beam to the target beam when the beam quality of the serving beam of the terminal reaches a first threshold and/or the beam quality of the target beam reaches a second threshold.
Optionally, the beam switching apparatus, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the beam switching apparatus, wherein the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the beam switching apparatus, wherein the measurement information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the beam switching apparatus, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the beam switching apparatus further includes:
a measurement module 330, configured to start measurement on the target beam according to the measurement start information when at least one of the following conditions is satisfied:
the beam quality meets the measurement turn-on threshold;
the number of times that the beam quality meets the measurement turn-on threshold is greater than or equal to the first counting number of times;
within the first timing duration, the beam quality meets the measurement turn-on threshold;
within the first timing duration, the number of times that the beam quality satisfies the measurement turn-on threshold is greater than or equal to the first count number of times.
Optionally, the beam switching apparatus further includes:
the information receiving module 340 is configured to receive indication information indicating whether to perform measurement reporting, where the indication information is sent by a network side device.
Optionally, the beam switching apparatus further includes:
a reporting module 350, configured to perform beam measurement reporting when at least one of the following conditions is met:
the beam quality of the measurement beam reaches a third threshold;
within a second preset time length, the beam quality of the measuring beam meets a fourth threshold;
within a third preset time length, the frequency that the beam quality of the measuring beam meets a fifth threshold reaches a second counting frequency;
among the plurality of measured beams, the beam quality of the M beams with the highest beam quality reaches a sixth threshold, wherein M is an integer;
the beam quality of the service beam in the measurement beams is lower than or equal to the seventh threshold, and the beam quality of the target beam in the measurement beams is higher than or equal to the eighth threshold.
Optionally, the beam switching apparatus further includes:
a determining module 360, configured to define an event of at least one of the following events as a measurement reporting event:
the first preset measurement times are continuous, and the beam quality of the measurement beam meets a first condition;
within a fourth preset time length, the beam quality of the measuring beam meets a second condition;
within a fifth preset time length, the frequency that the beam quality of the measurement beam meets a third condition reaches a second preset measurement frequency;
the beam quality of the N beams with the highest beam quality in the plurality of measurement beams meets a fourth condition; wherein N is an integer;
measuring a beam quality of a serving one of the beams to be lower than or equal to a fifth condition, while measuring a beam quality of a target one of the beams to be higher than or equal to a sixth condition;
a difference between the beam quality of the service beam in the measurement beam and the beam quality of the target beam in the measurement beam satisfies a seventh condition.
An embodiment of the present invention further provides a beam switching apparatus according to another embodiment, which is applied to a network side device, and as shown in fig. 4, the apparatus includes:
an information sending module 410, configured to send measurement configuration information of a serving beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the beam switching apparatus, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the beam switching apparatus, wherein the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the beam switching apparatus, wherein the measurement information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the beam switching apparatus, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the beam switching apparatus further includes:
an indication sending module 420, configured to send, to the terminal, indication information indicating whether to perform measurement reporting.
An embodiment of the present invention further provides a terminal, as shown in fig. 5, including a transceiver 510, where the transceiver 510 is configured to:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the terminal, wherein the terminal further includes a processor 520, configured to:
and when the beam quality of the service beam of the terminal reaches a first threshold and/or the beam quality of the target beam reaches a second threshold, switching from the service beam to the target beam.
Optionally, the terminal, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the terminal, wherein the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the terminal, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the terminal, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the terminal, wherein the terminal further includes a processor 520, configured to:
according to the measurement starting information, when at least one of the following conditions is met, starting measurement of the target beam:
the beam quality meets the measurement turn-on threshold;
the number of times that the beam quality meets the measurement turn-on threshold is greater than or equal to the first counting number of times;
within the first timing duration, the beam quality meets the measurement turn-on threshold;
within the first timing duration, the number of times that the beam quality satisfies the measurement turn-on threshold is greater than or equal to the first count number of times.
Optionally, the terminal, wherein the transceiver 510 is further configured to:
and receiving indication information which indicates whether to carry out measurement reporting and is sent by the network side equipment.
Optionally, the terminal, wherein the transceiver 510 is further configured to: and when at least one of the following conditions is met, performing beam measurement reporting:
the beam quality of the measurement beam reaches a third threshold;
within a second preset time length, the beam quality of the measuring beam meets a fourth threshold;
within a third preset time length, the frequency that the beam quality of the measuring beam meets a fifth threshold reaches a second counting frequency;
among the plurality of measured beams, the beam quality of the M beams with the highest beam quality reaches a sixth threshold, wherein M is an integer;
the beam quality of the service beam in the measurement beams is lower than or equal to the seventh threshold, and the beam quality of the target beam in the measurement beams is higher than or equal to the eighth threshold.
Optionally, the terminal, wherein the transceiver 510 is further configured to: defining an event of at least one of the following as a measurement reporting event:
the first preset measurement times are continuous, and the beam quality of the measurement beam meets a first condition;
within a fourth preset time length, the beam quality of the measuring beam meets a second condition;
within a fifth preset time length, the frequency that the beam quality of the measurement beam meets a third condition reaches a second preset measurement frequency;
the beam quality of the N beams with the highest beam quality in the plurality of measurement beams meets a fourth condition; wherein N is an integer;
measuring a beam quality of a serving one of the beams to be lower than or equal to a fifth condition, while measuring a beam quality of a target one of the beams to be higher than or equal to a sixth condition;
a difference between the beam quality of the service beam in the measurement beam and the beam quality of the target beam in the measurement beam satisfies a seventh condition.
An embodiment of the present invention further provides a network side device, as shown in fig. 6, including a transceiver 610, where the transceiver 610 is configured to:
transmitting measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the network side device, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the network side device, wherein the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the network side device, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the network side device, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the network-side device, wherein the transceiver 610 is further configured to:
and sending indication information indicating whether to carry out measurement reporting to the terminal.
Another aspect of the embodiment of the present invention further provides a terminal, as shown in fig. 7, including a processor 701; and a memory 703 connected to the processor 701 through a bus interface 702, where the memory 703 is used to store programs and data used by the processor 701 in executing operations, and the processor 701 calls and executes the programs and data stored in the memory 703.
The transceiver 704 is connected to the bus interface 702, and is configured to receive and transmit data under the control of the processor 701, and specifically, the processor 701 is configured to read a program in the memory 703 and execute the following processes:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the terminal, wherein the processor 701 is further configured to:
and when the beam quality of the service beam of the terminal reaches a first threshold and/or the beam quality of the target beam reaches a second threshold, switching from the service beam to the target beam.
Optionally, the terminal, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the terminal, wherein the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the terminal, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the terminal, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, in the terminal, the processor 701 starts measurement on the target beam according to the measurement start information when at least one of the following conditions is satisfied:
the beam quality meets the measurement turn-on threshold;
the number of times that the beam quality meets the measurement turn-on threshold is greater than or equal to the first counting number of times;
within the first timing duration, the beam quality meets the measurement turn-on threshold;
within the first timing duration, the number of times that the beam quality satisfies the measurement turn-on threshold is greater than or equal to the first count number of times.
Optionally, the terminal, wherein the processor 701 is further configured to:
and receiving indication information which indicates whether to carry out measurement reporting and is sent by the network side equipment.
Optionally, the terminal, wherein the processor 701 is further configured to:
and when at least one of the following conditions is met, performing beam measurement reporting:
the beam quality of the measurement beam reaches a third threshold;
within a second preset time length, the beam quality of the measuring beam meets a fourth threshold;
within a third preset time length, the frequency that the beam quality of the measuring beam meets a fifth threshold reaches a second counting frequency;
among the plurality of measured beams, the beam quality of the M beams with the highest beam quality reaches a sixth threshold, wherein M is an integer;
the beam quality of the service beam in the measurement beams is lower than or equal to the seventh threshold, and the beam quality of the target beam in the measurement beams is higher than or equal to the eighth threshold.
Optionally, the terminal, wherein the processor 701 is further configured to:
defining an event of at least one of the following as a measurement reporting event:
the first preset measurement times are continuous, and the beam quality of the measurement beam meets a first condition;
within a fourth preset time length, the beam quality of the measuring beam meets a second condition;
within a fifth preset time length, the frequency that the beam quality of the measurement beam meets a third condition reaches a second preset measurement frequency;
the beam quality of the N beams with the highest beam quality in the plurality of measurement beams meets a fourth condition; wherein N is an integer;
measuring a beam quality of a serving one of the beams to be lower than or equal to a fifth condition, while measuring a beam quality of a target one of the beams to be higher than or equal to a sixth condition;
a difference between the beam quality of the service beam in the measurement beam and the beam quality of the target beam in the measurement beam satisfies a seventh condition.
It should be noted that in fig. 7, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 701 and various circuits of memory represented by memory 703 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 704 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 705 may also be an interface capable of interfacing with a desired device for different terminals, including but not limited to a keypad, display, speaker, microphone, joystick, etc. The processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 may store data used by the processor 701 in performing operations.
Those skilled in the art will understand that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program includes instructions for executing part or all of the steps of the above methods; and the program may be stored in a readable storage medium, which may be any form of storage medium.
Another aspect of the embodiments of the present invention further provides a network side device, as shown in fig. 8, including: a processor 801; and a memory 803 connected to the processor 801 through a bus interface 802, wherein the memory 803 is used for storing programs and data used by the processor 801 in executing operations, and the processor 801 calls and executes the programs and data stored in the memory 803.
The transceiver 804 is connected to the bus interface 802, and is configured to receive and transmit data under the control of the processor 801, and specifically, the processor 801 is configured to read a program in the memory 803, and execute the following processes:
transmitting measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
Optionally, the network side device, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
Optionally, the network side device, wherein the beam related information includes at least one of the following information:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
Optionally, the network side device, wherein the measurement mode information includes at least one of the following information:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
Optionally, the network side device, wherein the measurement starting information includes at least one of a measurement starting threshold, a first counting number and a first timing duration.
Optionally, the network-side device, wherein the processor 801 is further configured to:
and sending indication information indicating whether to carry out measurement reporting to the terminal.
Where in FIG. 8, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by the processor 801, and various circuits, represented by the memory 803, linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 804 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 801 in performing operations.
Those skilled in the art will understand that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program includes instructions for executing part or all of the steps of the above methods; and the program may be stored in a readable storage medium, which may be any form of storage medium.
In addition, the present invention further provides a computer readable storage medium, on which a computer program is stored, wherein the program is executed by a processor to implement the steps in the beam switching method as described in any one of the above.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus 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.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (23)
1. A beam switching method is applied to a terminal, and is characterized in that the method comprises the following steps:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
2. The beam switching method of claim 1, further comprising:
and when the beam quality of the service beam of the terminal reaches a first threshold and/or the beam quality of the target beam reaches a second threshold, switching from the service beam to the target beam.
3. The beam switching method according to claim 1, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
4. The beam switching method according to claim 3, wherein the beam related information comprises at least one of:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
5. The beam switching method according to claim 3, wherein the measurement mode information includes at least one of:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
6. The beam switching method according to claim 3, wherein the measurement turn-on information includes at least one of a measurement turn-on threshold, a first count number and a first timing duration.
7. The beam switching method according to claim 6, wherein according to the measurement turn-on information, the measurement on the target beam is turned on when at least one of the following conditions is satisfied:
the beam quality meets the measurement turn-on threshold;
the number of times that the beam quality meets the measurement turn-on threshold is greater than or equal to the first counting number of times;
within the first timing duration, the beam quality meets the measurement turn-on threshold;
within the first timing duration, the number of times that the beam quality satisfies the measurement turn-on threshold is greater than or equal to the first count number of times.
8. The beam switching method according to any one of claims 1 to 7, wherein the method further comprises:
and receiving indication information which indicates whether to carry out measurement reporting and is sent by the network side equipment.
9. The beam switching method according to any one of claims 1 to 7, wherein the method further comprises: and when at least one of the following conditions is met, performing beam measurement reporting:
the beam quality of the measurement beam reaches a third threshold;
within a second preset time length, the beam quality of the measuring beam meets a fourth threshold;
within a third preset time length, the frequency that the beam quality of the measuring beam meets a fifth threshold reaches a second counting frequency;
among the plurality of measured beams, the beam quality of the M beams with the highest beam quality reaches a sixth threshold, wherein M is an integer;
the beam quality of the service beam in the measurement beams is lower than or equal to the seventh threshold, and the beam quality of the target beam in the measurement beams is higher than or equal to the eighth threshold.
10. The beam switching method according to any one of claims 1 to 7, wherein the method further comprises: defining an event of at least one of the following as a measurement reporting event:
the first preset measurement times are continuous, and the beam quality of the measurement beam meets a first condition;
within a fourth preset time length, the beam quality of the measuring beam meets a second condition;
within a fifth preset time length, the frequency that the beam quality of the measurement beam meets a third condition reaches a second preset measurement frequency;
the beam quality of the N beams with the highest beam quality in the plurality of measurement beams meets a fourth condition; wherein N is an integer;
measuring a beam quality of a serving one of the beams to be lower than or equal to a fifth condition, while measuring a beam quality of a target one of the beams to be higher than or equal to a sixth condition;
a difference between the beam quality of the service beam in the measurement beam and the beam quality of the target beam in the measurement beam satisfies a seventh condition.
11. A beam switching method is applied to a network side device, and is characterized in that the method comprises the following steps:
transmitting measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
12. The beam switching method according to claim 11, wherein the measurement configuration information includes at least one of the following information:
beam related information;
measurement mode information;
measuring and reporting indication information;
the opening information is measured.
13. The beam switching method according to claim 12, wherein the beam related information comprises at least one of:
a beam index;
measuring time domain information of a reference symbol;
measuring frequency domain information of the reference symbol;
the bandwidth part BWP information of the reference symbol is measured.
14. The beam switching method according to claim 12, wherein the measurement mode information includes at least one of:
whether a measurement interval is required;
measurement interval configuration information;
whether to adopt the autonomous measurement interval to measure;
whether there is a scheduling restriction.
15. The beam switching method of claim 12 wherein the measurement turn-on information comprises at least one of a measurement turn-on threshold, a first count number, and a first timing duration.
16. The beam switching method according to any one of claims 11 to 15, wherein the method further comprises:
and sending indication information indicating whether to carry out measurement reporting to the terminal.
17. A beam switching device applied to a terminal, the device comprising:
the information acquisition module is used for acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
18. A beam switching device applied to a network side device is characterized in that the device comprises:
the information sending module is used for sending the measurement configuration information of the service beam and/or the target beam to the terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
19. A terminal comprising a transceiver, wherein the transceiver is configured to:
acquiring measurement configuration information of a service beam and/or a target beam sent by network side equipment;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
20. A network-side device comprising a transceiver, wherein the transceiver is configured to:
transmitting measurement configuration information of a service beam and/or a target beam to a terminal;
wherein the service beam and the target beam correspond to different coverage areas or coverage levels.
21. A terminal, comprising: a processor, a memory and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the beam switching method of any of claims 1 to 10.
22. A network-side device, comprising a processor, a memory, and a program stored on the memory and executable on the processor, wherein the program, when executed by the processor, implements the beam switching method according to any one of claims 11 to 16.
23. A computer readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the beam switching method according to any one of claims 1 to 10 or the steps of the beam switching method according to any one of claims 11 to 16.
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| CN201910877657.9A CN112533228A (en) | 2019-09-17 | 2019-09-17 | Beam switching method and device, network side equipment and terminal |
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| CN201910877657.9A CN112533228A (en) | 2019-09-17 | 2019-09-17 | Beam switching method and device, network side equipment and terminal |
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