WO2018228471A1 - Procédé et dispositif d'acquisition de paramètres de configuration destinés à un apprentissage de faisceau - Google Patents

Procédé et dispositif d'acquisition de paramètres de configuration destinés à un apprentissage de faisceau Download PDF

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Publication number
WO2018228471A1
WO2018228471A1 PCT/CN2018/091251 CN2018091251W WO2018228471A1 WO 2018228471 A1 WO2018228471 A1 WO 2018228471A1 CN 2018091251 W CN2018091251 W CN 2018091251W WO 2018228471 A1 WO2018228471 A1 WO 2018228471A1
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terminal
division
time
maximum
network side
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PCT/CN2018/091251
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English (en)
Chinese (zh)
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宋扬
杨宇
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维沃移动通信有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/29—Performance testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H04L5/0083—Timing of allocation at predetermined intervals symbol-by-symbol

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for acquiring configuration parameters of beam training.
  • Massive Multiple Input Multiple Output (Massive MIMO) technology uses a large-scale antenna array to greatly improve system bandwidth utilization and support a larger number of access users. Therefore, major research organizations regard massive MIMO technology as one of the most promising physical layer technologies in the next generation of mobile communication systems.
  • massive MIMO technology all digital shaping technology and digital-analog hybrid beamforming technology are included.
  • the digital-analog hybrid beamforming technology adds a first-order beamforming to the radio frequency signal near the front end of the antenna system based on the traditional digital domain beamforming.
  • the analog shaping can make the transmission signal and the channel achieve a rough matching in a relatively simple manner, and can compromise the performance and complexity in a high frequency band or a large bandwidth. There is a high practical prospect in systems with a large number of antennas.
  • the analog beamforming is transmitted at full bandwidth, and each polarization direction array element on the panel of each high frequency antenna array can only transmit analog beams in a time division multiplexed manner.
  • the shaping weight of the analog beam is achieved by adjusting the parameters of the device such as the RF front-end phase shifter.
  • the training of the beamforming vector is usually performed by means of polling, that is, the configuration information of the beam measurement is first sent by the network side, and then the array elements of each polarization direction of each antenna panel are sequentially arranged in a time division multiplexing manner.
  • the training signal (ie, the transmit beam) is sent in time, and the terminal, after measuring the transmit beam Tx and the receive beam Rx owned by the terminal, feeds back the optimal transmit beam identifier and the measured received power of each transmit beam for the network side.
  • the optimal training signal is used to implement the analog beam transmission in the next transmission of the service.
  • Tx beam sweeping and Rx beam sweeping may be used to measure an optimal transmit receive beam pair link (BPL).
  • This parameter is used to make the user equipment (User Equipment, UE, also called mobile terminal) aware of a reference orthogonal frequency.
  • UE User Equipment
  • OFDM Orthogonal Frequency Division Multiplexing
  • several beam pair quality measurements are required, that is, the UE is made aware of the measurement frequency of the current measurement task.
  • an empirical value may be generally configured for this parameter. Since the UE may perform different beam measurements each time, if the parameter is configured only by the empirical value, the maximum capability of the UE is likely to be insufficiently utilized, resulting in a waste of time resources in the beam measurement process.
  • the first aspect provides a method for acquiring configuration parameters of a beam training, which is applied to a network side device, and includes:
  • the maximum division time division number of the terminal includes at least one of the following: the terminal receives the maximum division time division number, and the terminal transmits the maximum division time division number;
  • the maximum number of division time divisions received by the terminal refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: Within a time division, the terminal device can perform at least one measurement of the receive beam;
  • the maximum number of division time divisions of the terminal transmission refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the second setting condition is satisfied;
  • the second setting condition includes: Within a time division, the terminal device can complete the transmission of at least one transmit beam;
  • a second aspect provides a method for acquiring configuration parameters of a beam training, which is applied to a terminal device, and includes:
  • the terminal radio frequency device capability information is used to enable the network side device to determine the maximum division time division number of the terminal according to the terminal radio frequency device capability information;
  • the maximum division time division number of the terminal includes at least one of the following: the terminal receives the maximum division time division number, and the terminal transmits the maximum division time division number;
  • the maximum number of division time divisions received by the terminal refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: Within a time division, the terminal device is capable of performing measurement of at least one receive beam;
  • the maximum number of division time divisions of the terminal transmission refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the second setting condition is satisfied; the second setting condition includes: Within the time division, the terminal device is capable of performing transmission of at least one transmit beam.
  • a third aspect provides a device for acquiring configuration parameters of a beam training, which is applied to a network side device, and includes:
  • a receiving unit configured to receive terminal radio device capability information reported by the terminal device
  • a parameter determining unit configured to determine, according to the terminal radio frequency device capability information, a maximum number of division time divisions of the terminal;
  • the maximum division time division number of the terminal includes at least one of the following: the terminal receives the maximum division time division number, and the terminal transmits the maximum division time division number;
  • the maximum number of division time divisions received by the terminal refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: Within a time division, the terminal device can perform at least one measurement of the receive beam;
  • the maximum number of division time divisions of the terminal transmission refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the second setting condition is satisfied;
  • the second setting condition includes: Within a time division, the terminal device can complete the transmission of at least one transmit beam;
  • a fourth aspect provides a device for acquiring configuration parameters of a beam training, which is applied to a terminal device, and includes:
  • a terminal capability acquiring unit configured to acquire terminal radio device capability information
  • the reporting unit is configured to report the radio frequency device capability information of the terminal to the network side device;
  • the terminal radio frequency device capability information is used to enable the network side device to determine the maximum division time division number of the terminal according to the terminal radio frequency device capability information;
  • the maximum division time division number of the terminal includes at least one of the following: the terminal receives the maximum division time division number, and the terminal transmits the maximum division time division number;
  • the maximum number of division time divisions received by the terminal refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: Within a time division, the terminal device can perform at least one measurement of the receive beam;
  • the maximum number of division time divisions of the terminal transmission refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the second setting condition is satisfied; the second setting condition includes: Within a time division, the terminal device is capable of performing transmission of at least one transmit beam.
  • a network side device comprising a processor, a memory, and a computer program stored on the memory and operable on the processor, the computer program being implemented by the processor.
  • a computer readable storage medium stores a computer program that, when executed by the processor, implements beam training configuration of the first aspect The steps of the parameter acquisition method.
  • a seventh aspect provides a terminal device including a processor, a memory, and a computer program stored on the memory and operable on the processor, the computer program being implemented by the processor The steps of the method for acquiring the configuration parameters of the beam training described in the second aspect.
  • a computer readable storage medium stores a computer program that, when executed by the processor, implements beam training as described in the second aspect Steps to get the configuration parameters.
  • FIG. 1 is a flowchart of a method for acquiring configuration parameters of beam training according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method for acquiring configuration parameters of beam training according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of still another method for acquiring configuration parameters of beam training according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart of still another method for acquiring configuration parameters of beam training according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of an apparatus for acquiring configuration parameters of beam training according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of an apparatus for acquiring configuration parameters of beam training according to an embodiment of the present disclosure
  • FIG. 7 is a structural block diagram of a network side device according to an embodiment of the present disclosure.
  • FIG. 8 is a structural block diagram of a terminal device according to an embodiment of the present disclosure.
  • the method for acquiring the configuration parameters of the beam training may be used to obtain the configuration parameters in the downlink beam training.
  • the downlink beam training refers to: the network side controls the transmission beam it owns to transmit, and the UE controls.
  • the received beam receives the received beam and measures the quality of the beam pair formed by the transmit beam and the received beam. It can also be used to obtain the configuration parameters in the uplink beam training.
  • Uplink beam training means that the UE controls its own.
  • the transmitting beam is transmitted, and the network side controls its own receiving beam to receive and measure the quality of the beam pair formed by the transmitting beam and the receiving beam line, which is opposite to the downlink beam training).
  • the following description is divided into two cases: downlink beam training and uplink beam training.
  • an embodiment of the present disclosure provides a method for acquiring configuration parameters of a beam training, which is applied to a network side device, as shown in FIG. 1, and includes steps S101 to S103.
  • S102 Determine, according to the capability information of the terminal radio frequency device, the maximum division time division number of the terminal.
  • the maximum division time division number of the terminal herein includes: the terminal receives the maximum division time division number.
  • the terminal receives the maximum number of division time divisions, specifically: the maximum number of time divisions for a reference OFDM symbol partition supported by the terminal device when the first setting condition is met; the first setting condition includes: Within the time division, the terminal device is capable of performing measurement of the reception beam at least once.
  • S103 Determine, according to the maximum number of division time divisions received by the terminal, the number of time divisions that need to be divided in one reference OFDM symbol in the beam training.
  • the network side device in the downlink beam training, can receive the terminal radio frequency device capability information reported by the terminal, and according to the capability of the terminal to measure the terminal measurement capability.
  • the terminal radio frequency device capability information determines the maximum number of time divisions that the terminal supports partitioning in one OFDM symbol, and finally determines the number of time divisions to be divided in one reference OFDM symbol in the configuration information according to the maximum number.
  • This parameter enables the measurement capability of each UE to be fully considered each time the parameters are configured, so that the UE can maximize its own measurement capability when making measurements, and the configuration parameters are more rationalized, which is beneficial to the configuration. Rational use of resources.
  • the terminal device herein may specifically include: a smart phone, a personal digital assistant (PDA), a tablet computer, a notebook computer, a car carputer, a handheld game machine, smart glasses, a smart watch, a wearable device, and a virtual device.
  • Display devices or display enhancement devices such as Google Glass, Oculus Rift, Hololens, Gear VR).
  • the network side device here may be a base station, a relay, or the like.
  • a reference OFDM symbol can be understood as a reference numerology OFDM symbol.
  • the definition of Reference numerology refers to: OFDM symbol numerology used by the UE for data traffic on a bandwidth part (BWP).
  • BWP bandwidth part
  • the reference numerology of a bandwidth portion is determined by the UE-specific configuration of the bandwidth portion (For beam management, the reference numerology for a bandwidth part is determined based on the UE-specific configuration for the bandwidth part ).
  • the first maximum division time division number of the UE actually reflects the maximum capability of the UE. It is not difficult to understand that, for a reference OFDM symbol, the duration of one type of reference OFDM symbol is fixed, and the maximum number of time divisions supported by the UE for reference OFDM symbol division can also be described as The maximum number of times the UE can measure within one reference OFDM symbol, or the maximum number of time units that can be divided within one OFDM symbol, etc., can be translated into number of symbol partition within each OFDM symbols. Of course, there may be other description manners, as long as the division of the OFDM symbol is embodied and such division can reflect the measurement capability of the UE, and the maximum number of time divisions for one reference OFDM symbol division in the embodiment of the present disclosure. The concept is equivalent. Similarly, "time division" can also be described as: each divided sub-time unit and the like. These are also equivalent concepts, the essence of which is the same.
  • the terminal radio frequency device capability information in step S101 may have multiple situations, and two alternative manners are described below.
  • the terminal radio device capability information may include: the maximum division time division number of the terminal.
  • the step S102 may include:
  • the UE can first calculate the maximum division time division number of the terminal that can reflect its own measurement capability, and then report it to the network side device.
  • the network side device may directly obtain the maximum division time division number of the terminal corresponding to the UE according to the terminal radio frequency device capability information, and further determine, according to the terminal receiving the maximum division time division number, the maximum time division of the reference OFDM symbol division. Number of "this configuration parameter. How to calculate the content of the terminal corresponding to the maximum division time division of the terminal corresponding to the UE side will be described in detail in the UE part which will be described later.
  • the terminal radio device capability information may include: the terminal receiving beam switching duration information;
  • step S102 may include:
  • S1021 Extract, by the terminal radio frequency device capability information, the terminal receiving beam switching duration information
  • S1022 Determine, according to the received beam switching duration information of the terminal, the maximum number of division time segments received by the terminal corresponding to the terminal device.
  • the terminal receiving beam switching duration information specifically refers to the duration information occupied by the terminal device in the process of performing receiving beam switching. Since the antenna is in the digital-analog hybrid beamforming mode in the 5G, the final beam steering is controlled by the RF device on the device antenna, specifically by a set of phase shifters. The phase of the signal of a group of antenna elements is connected to determine the beam direction of the transmitted signal, and then the beam direction of the original transmitted signal is switched to the beam direction of the new transmitted signal.
  • the UE is switched from the Rx beam 1 to the Rx beam 2, and the handover process specifically includes: switching from the Rx beam 1 to the Rx beam 2 until the waveform of the Rx beam 2 is stable. Therefore, the handover process takes a certain amount of time, and the time taken by the handover process is “the duration information occupied by the terminal device during the process of receiving the beam handover”, which may be simply referred to as the terminal reception beam handover duration information.
  • this parameter can reflect the performance of the RF device of the terminal device. If the performance of the RF device of a certain UE is better, the switching time required for the UE is shorter, and the terminal can be divided in one OFDM symbol. The number of time divisions (that is, the number of times the measurement can be performed) is large, and such a UE can be said to be a UE with strong measurement capability. On the other hand, if the handover of a certain UE is long, the number of time divisions that the terminal can divide in one OFDM symbol is small, and such a UE can be said to be a UE with poor measurement capability.
  • the network side device in the embodiment of the present disclosure may determine the measurement capability of the UE by using the parameter reported by the UE, that is, the terminal corresponding to the UE receives the maximum division time division number, and then sets the final segment according to the maximum reception time division number of the terminal. Configuration parameters.
  • step S1022 "determining the maximum number of division time divisions received by the terminal according to the terminal receiving beam switching duration information" may be implemented in various manners, and an optional implementation manner is described below.
  • S10221 Determine, according to the received beam switching duration information of the terminal and the preset time interval of the time domain sampling point, the first time domain sampling point occupied by the terminal device when performing receiving beam switching;
  • the corresponding number of time domain sampling points determines the maximum number of division time segments received by the terminal.
  • the final determination of the maximum number of division time divisions received by the terminal according to the above parameters may also be implemented in various manners.
  • An optional implementation manner is as follows:
  • the solution set of the maximum division time division number of the terminal is obtained according to the following formula:
  • L CP represents the number of time domain sampling points occupied by the cyclic prefix in one reference OFDM symbol
  • L represents the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix
  • D represents the maximum delay extension corresponding to The number of time domain sampling points
  • S indicates the time domain sampling points occupied by the transmission/reception beam switching in a certain frequency band
  • X CP indicates that the maximum division time division number is received by the terminal in a large subcarrier spacing manner to divide one reference OFDM symbol Then, the number of time domain sampling points occupied by the sub-cycle prefix in each time division; X represents the number of time domain sampling points occupied by the remainder of the sub-cyclic prefix in each time division;
  • N UER, i represents the ith terminal The terminal corresponding to the device receives the maximum number of division time divisions.
  • L where, L and D are the CP and the network side device UE are known parameters, the UE reports when these parameters need not be reported.
  • the X CP and X are unknown to the network side device, but it has a close relationship with other parameters, so these two parameters are actually used as intermediate variables for obtaining N UER, i , so the UE is reporting It is also not necessary to report these parameters.
  • the optimal value in the solution set is selected as the maximum number of division time segments received by the terminal, and the maximum value in the solution set is used as the maximum number of division time segments received by the terminal.
  • step S103 may also have a plurality of different implementation manners, which are exemplified below.
  • the first method can directly receive the maximum number of division time divisions of the terminal corresponding to one terminal device as the number of time divisions that need to be divided in one reference OFDM symbol in the beam training.
  • the performance of the RF device on the network side device is higher than the performance of the RF device on the terminal device.
  • the ability to divide the OFDM symbol is higher than that of the terminal device. Therefore, in this case, it is not necessary to consider the performance of the radio frequency device of the network side device, and the number of time divisions that need to be divided in one reference OFDM symbol in the beam training determined according to the method 1 is not, in most cases, the network side device.
  • the ability to partition OFDM symbols is not able to complete the corresponding beam training process. And such a determination process is relatively simple and easy to design.
  • Manner 2 The minimum value of the maximum number of division time divisions of the terminal corresponding to the terminal equipment and the maximum division time division number of the network side transmission of the network side device is determined as the time division required to be divided in one reference OFDM symbol in the beam training.
  • the network-side transmission maximum division time division number refers to the maximum number of time divisions for OFDM symbol division supported by the network side device when the third setting condition is satisfied; the third setting condition includes: Within the time division, the network side device can complete the transmission of at least one transmit beam.
  • the foregoing method further includes: acquiring network side radio device capability information of the network side device; and further, according to the network side radio frequency device capability The information determines the maximum division time division number of the network side transmission.
  • the step of determining the maximum division time division number of the network side according to the network side radio frequency device capability information may be similar to the step of the terminal equipment determining that the terminal receives the maximum division time division number. That is, an optional determination method may include:
  • the time domain sampling point occupied by the cyclic prefix in one reference OFDM symbol determines the maximum division time division number of the network side transmission.
  • determining the maximum division time division number of the network side transmission according to the foregoing parameters may also be implemented in multiple manners, and an optional manner is:
  • the solution set of the maximum division time division number of the network side transmission is obtained according to the following formula:
  • L N gNBT * X and L CP + L ⁇ N gNBT * (X CP + X);
  • L CP represents the number of time domain sampling points occupied by the cyclic prefix in one reference OFDM symbol
  • L represents the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix
  • D represents the maximum delay extension corresponding to The number of time domain sampling points
  • S represents the time domain sampling points occupied by the transmission/reception beam switching in a certain frequency band
  • X CP represents the division of a reference OFDM symbol by the second maximum division time division number in a large subcarrier spacing manner.
  • N gNBT represents the network corresponding to the network side device
  • the maximum value of the de-concentration is taken as the maximum division time division number of the network side transmission.
  • Mode 2 is a more conservative approach than Mode 1.
  • the capability of the network side device is generally much higher than the terminal capability, the case where the network side device capability is poor and the terminal device capability is good is not excluded.
  • the network side device can be a small base station, and the performance of the radio frequency device on the device is poor, and the terminal device can be a notebook, and the performance of the radio frequency device can be performed well, and in this case, the performance cannot be ignored.
  • the ability of the network side device. Therefore, the second method can completely avoid the problem that the process of the corresponding beam training cannot be completed because of the ability of the network side device to divide the OFDM symbols.
  • Manner 3 When the number of the terminal devices is multiple, the minimum value of the maximum number of split time segments received by each terminal corresponding to the multiple terminal devices is used as the maximum number of split time segments received by the terminal; and the minimum value is determined according to the minimum value in the beam training. The number of time divisions that need to be divided within a reference OFDM symbol.
  • mode 3 may configure the same parameter for multiple terminal devices, and reduce configuration. Difficulty, reducing the workload on the network side.
  • the minimum value of the maximum number of division time divisions of each terminal corresponding to the plurality of terminal devices may be directly used as the number of time divisions that need to be divided within one reference OFDM symbol in beam training.
  • the method may be combined with the method in the second method, and the minimum number of the divided time divisions of the plurality of terminal devices and the minimum number of the network side transmission maximum division time division numbers corresponding to the network side device are used as the beam training.
  • the number of time divisions that need to be divided in a reference OFDM symbol is not specifically limited in the embodiment of the present disclosure.
  • the embodiment of the present disclosure further provides a method for acquiring configuration parameters of the beam training, which is used in the terminal device, as shown in FIG. 2, and includes:
  • Step S201 acquiring terminal radio frequency device capability information
  • Step S202 reporting terminal radio frequency device capability information to the network side device
  • the terminal radio frequency device capability information is used to enable the network side device to determine, according to the terminal radio frequency device capability information, the maximum number of division time segments received by the terminal; where the terminal receives the maximum division time division number, when the first setting condition is met, The maximum number of time divisions supported by the terminal device for one reference OFDM symbol division; the first setting condition includes: in each time division, the terminal device can complete the measurement of the reception beam at least once.
  • the method for obtaining the configuration parameters of the beam training can enable the network side device to obtain the capability information of the terminal radio frequency device, so that the network side device can obtain the capability information of the terminal radio frequency device according to the terminal radio device capability information.
  • the terminal receives the maximum number of division time divisions, and is used to determine configuration parameters in downlink beam training.
  • the terminal radio device capability information includes the maximum number of division time divisions received by the terminal;
  • acquiring the radio frequency device capability information of the terminal may include: acquiring the maximum number of division time divisions of the terminal corresponding to the terminal device; correspondingly, in step S202, reporting the radio frequency device capability information of the terminal to the network side device,
  • the method may include: reporting, by the terminal corresponding to the terminal device, the maximum number of division time divisions to the network side device.
  • the method for obtaining the maximum number of division time divisions by the terminal corresponding to the terminal device in S201 can be referred to the manner that the network side determines the maximum number of division time divisions in the step S1022 in the first aspect.
  • the method may include:
  • S2011 Acquire a terminal receiving beam switching duration information
  • the terminal receiving beam switching duration information refers to: duration information occupied by the terminal device in the receiving beam switching process
  • S2012 Determine, according to the received beam switching duration information of the terminal, the maximum number of division time segments received by the terminal.
  • step S2012 may specifically include:
  • S20121 Determine, according to the terminal receiving beam switching duration information and the preset time domain sampling point time interval, the first time domain sampling point occupied by the terminal device when performing receiving beam switching;
  • the time domain sampling point occupied by the cyclic prefix in one reference OFDM symbol the time domain sampling point occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay extension
  • the corresponding number of time domain sampling points determines the maximum number of division time segments received by the terminal.
  • the S20122 determines, according to the foregoing parameters, that the terminal receives the maximum split time division number, and may be implemented in multiple manners, for example,
  • the solution set of the first maximum division time division number is obtained according to the following formula:
  • L cp represents the number of time domain sampling points occupied by the cyclic prefix in a reference OFDM symbol
  • L represents the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix
  • D represents the maximum delay extension corresponding to The number of time domain sampling points
  • S indicates the number of time domain sampling points occupied by the time of transmitting/receiving beam switching in a certain frequency band.
  • the maximum value of the de-concentration is used as the terminal to receive the maximum division time division number.
  • the terminal radio frequency device capability information includes the terminal receiving beam switching duration information corresponding to the terminal device.
  • the foregoing step S201 may specifically include: acquiring, by the terminal, beam switching duration information;
  • step S202 the terminal radio frequency device capability information is reported to the network side device, which may specifically include:
  • the terminal receiving beam switching duration information is reported to the network side device.
  • the network side device may determine, according to the manner described in step S1022 in the first aspect, the maximum number of division time segments received by the terminal. No further description will be made here.
  • the UE side can obtain the maximum number of division time divisions of the terminal corresponding to the terminal, and then directly report the maximum division time division number of the terminal to the network side device.
  • the terminal receiving the beam switching duration information for calculating the maximum number of division time divisions of the terminal may be directly reported to the network side device, that is, providing two optional embodiments for the network side device to learn the maximum number of division time divisions of the terminal. Therefore, the network side device can determine the final configuration parameter according to the maximum number of division time divisions received by the terminal, and the configuration parameter can be sent in the downlink beam training for the UE to learn the specific situation of the downlink beam training.
  • an embodiment of the present disclosure provides a method for acquiring a configuration parameter of a beam training, which is applied to a network side device, as shown in FIG. 3, and includes:
  • the maximum division time division number of the terminal herein includes: the maximum division time division number of the terminal transmission.
  • the terminal transmits the maximum number of division time divisions, specifically: the maximum number of time divisions for a reference OFDM symbol partition supported by the terminal device when the second setting condition is met; the second setting condition includes: Within the time division, the terminal device can complete the transmission of at least one transmit beam;
  • S103 Determine, according to the maximum number of division time divisions of the terminal transmission, the number of time divisions that need to be divided in one reference OFDM symbol in the beam training.
  • the network side device in the uplink beam training, can receive the terminal radio frequency device capability information reported by the terminal, and according to the capability of the terminal to measure the terminal measurement capability.
  • the terminal radio frequency device capability information determines the maximum number of time divisions that the terminal supports partitioning in one OFDM symbol, and finally determines the number of time divisions to be divided in one reference OFDM symbol in the configuration information according to the maximum number.
  • This parameter enables the measurement capability of each UE to be fully considered each time the parameters are configured, so that the UE can maximize its own measurement capability when making measurements, and the configuration parameters are more rationalized, which is beneficial to the configuration. Rational use of resources.
  • step S301 there may be multiple situations in the terminal radio frequency device capability information in step S301. Two optional modes are described below.
  • the terminal radio device capability information may include: the maximum division time division number of the terminal.
  • the step S302 may include:
  • the UE may first calculate the maximum split time division number of the terminal that can reflect its own measurement capability, and then report it to the network side device.
  • the network side device may directly obtain the maximum division time division number of the terminal corresponding to the UE according to the terminal radio frequency device capability information, and further determine the final configuration parameter according to the maximum division time division number of the terminal transmission.
  • the terminal radio device capability information may include: a terminal transmit beam switching duration information;
  • step S302 may include:
  • S3022 Determine, according to the transmit beam switching duration information of the terminal, the maximum split time division number of the terminal corresponding to the terminal device.
  • the terminal transmit beam handover duration information specifically refers to the duration information occupied by the terminal device in the process of performing transmit beam handover.
  • step S3022 "determining the maximum split time division number of the terminal according to the terminal transmit beam switching duration information" may be implemented in various manners, and an optional implementation manner is described below.
  • the second time domain sampling point occupied by the terminal device when performing reception beam switching is determined according to the terminal transmit beam switching duration information and the preset time domain sampling point time interval.
  • the solution set of the maximum division time division number of the terminal transmission is obtained according to the following formula:
  • L N UET, i * X and L CP + L ⁇ N UET, i * (X CP + X);
  • L CP represents the number of time domain sampling points occupied by the cyclic prefix in one reference OFDM symbol
  • L represents the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix
  • D represents the maximum delay extension corresponding to The number of time domain sampling points
  • S indicates the time-domain sampling points occupied by the transmission/reception beam switching in a certain frequency band
  • X CP indicates that the maximum division time division number is transmitted by the terminal in a large subcarrier spacing manner to divide one reference OFDM symbol Then, the number of time domain sampling points occupied by the sub-cycle prefix in each time division; X represents the number of time domain sampling points occupied by the remainder of the sub-cyclic prefix in each time division;
  • N UET, i represents the i-th terminal The terminal corresponding to the device transmits the maximum number of division time divisions.
  • the optimal value of the solution set is selected as the maximum split time division number of the terminal, and the maximum value of the solution set is used as the maximum split time division number of the terminal.
  • step S303 may also have a plurality of different implementation manners, which are exemplified below.
  • Manner 1 The maximum number of split time divisions of the terminal corresponding to one terminal device can be directly used as the number of time divisions that need to be divided in one reference OFDM symbol in beam training.
  • the final configuration parameters can be directly determined without considering the performance of the RF device of the network side device, and the determination process is relatively simple and convenient for design.
  • the terminal corresponding to the terminal device transmits the maximum number of division time divisions and the network side receives the smaller value of the maximum division time division number, and the final configuration parameter.
  • the network-side receiving maximum division time division number refers to a maximum number of time divisions for OFDM symbol division supported by the network side device when the fourth setting condition is met; the fourth setting condition includes: Within the time division, the network side device can perform the measurement of the reception beam at least once.
  • the foregoing method further includes: acquiring network side radio device capability information of the network side device; and determining, according to the network side radio device capability information, the network side receiving maximum split time segmentation number.
  • an optional manner for determining, by the network side radio frequency device capability information, that the network side receives the maximum division time division number may include:
  • determining the maximum number of division time divisions of the network side according to the above parameters may be:
  • the solution set of the maximum division time division number received by the network side is obtained according to the following formula:
  • L N gNBR * X and L CP + L ⁇ N gNBR * (X CP + X);
  • L CP represents the number of time domain sampling points occupied by the cyclic prefix in one reference OFDM symbol
  • L represents the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix
  • D represents the maximum delay extension corresponding to The number of time domain sampling points
  • S represents the time domain sampling points occupied by the transmission/reception beam switching in a certain frequency band
  • X CP represents the division of a reference OFDM symbol by the second maximum division time division number in a large subcarrier spacing manner.
  • X represents the number of time domain sampling points occupied by the remainder of the sub-cyclic prefix in each time division;
  • N gNBR represents the network side device corresponding The network side receives the maximum number of division time divisions.
  • the maximum value of the de-set is taken as the maximum division time division number of the network side.
  • Manner 3 When the number of the terminal devices is multiple, the minimum value of the maximum number of division time divisions of each terminal corresponding to the multiple terminal devices is used as the maximum division time division number of the terminal transmission; determining the beam training according to the minimum value The number of time divisions that need to be divided within a reference OFDM symbol.
  • the method described in the third aspect is different from the method described in the first aspect only in that the first aspect is based on the maximum measurement capability of the UE (and possibly also the maximum transmission capability on the network side).
  • the final parameters are set, while the third aspect is the final parameter set according to the maximum transmit capability of the UE (and possibly also the maximum measurement capability on the network side).
  • Other ideas are basically similar, so the concepts and computational ideas in the third aspect can refer to the content of the first aspect, and will not be repeated here.
  • the embodiment of the present disclosure when performing uplink beam training, further provides a method for acquiring configuration parameters of the beam training, which is used in the terminal device, as shown in FIG. 4, and includes:
  • Step S401 acquiring terminal radio frequency device capability information
  • Step S402 reporting terminal radio frequency device capability information to the network side device
  • the terminal radio frequency device capability information is used to enable the network side device to determine, according to the terminal radio frequency device capability information, the maximum division time division number of the terminal transmission; where the terminal transmission maximum division time division number refers to, when the second setting condition is met.
  • the maximum number of time divisions supported by the terminal device for one reference OFDM symbol division; the second setting condition includes: in each time division, the terminal device can complete transmission of at least one transmission beam.
  • the method for obtaining the configuration parameters of the beam training provided by the embodiment of the present disclosure can enable the network side device to obtain the capability information of the terminal radio frequency device, so that the network side device can obtain the capability information of the terminal radio frequency device according to the terminal radio device capability information.
  • the first maximum division time division number is used to determine configuration parameters in the uplink beam training.
  • the capability information of the terminal radio frequency device includes the maximum division time division number of the terminal transmission
  • acquiring the radio frequency device capability information of the terminal may include: acquiring the maximum number of division time divisions of the terminal corresponding to the terminal device; correspondingly, in step S402, reporting the radio frequency device capability information of the terminal to the network side device,
  • the method may include: reporting, by the terminal device, a maximum number of split time divisions of the terminal to the network side device.
  • the method for obtaining the maximum number of division time divisions of the terminal corresponding to the terminal device in S401 refer to the manner that the network side determines the maximum number of division time divisions of the terminal in the step S3022 in the third step.
  • the method may include:
  • the terminal transmitting beam switching duration information refers to: duration information occupied by the terminal equipment during the receiving beam switching process;
  • S4012 Determine, according to the terminal transmit beam switching duration information, the maximum split time split number of the terminal.
  • step S4012 may specifically include:
  • the second time domain sampling point occupied by the terminal device when performing the transmit beam switching is determined according to the terminal transmit beam switching duration information and the preset time domain sampling point time interval.
  • the S40122 determines, according to the foregoing parameters, that the maximum number of split time segments transmitted by the terminal can be implemented in multiple manners, for example,
  • the solution set of the first maximum division time division number is obtained according to the following formula:
  • L N UET, i * X and L CP + L ⁇ N UET, i * (X CP + X);
  • L cp represents the number of time domain sampling points occupied by the cyclic prefix in a reference OFDM symbol
  • L represents the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix
  • D represents the maximum delay extension corresponding to The number of time domain sampling points
  • S represents the time domain sampling points occupied by the transmission/reception beam switching in a certain frequency band
  • X CP represents the division of a reference OFDM symbol by the second maximum division time division number in a large subcarrier spacing manner.
  • the maximum value of the de-concentration is used as the terminal to transmit the maximum division time division number.
  • the terminal radio device capability information includes the terminal transmit beam switching duration information corresponding to the terminal device.
  • the foregoing step S401 may specifically include: acquiring terminal transmit beam switching duration information;
  • the terminal radio frequency device capability information is reported to the network side device, which may specifically include:
  • the terminal transmit beam switching duration information is reported to the network side device.
  • the network side device may determine, according to the manner described in step S3022 in the third aspect, the maximum split time division number of the terminal. No further description will be made here.
  • the UE side can obtain the maximum number of split time divisions of the terminal corresponding to the UE, and then directly report the maximum split time split number of the terminal to the network side device.
  • the terminal transmitting beam switching duration information used for calculating the maximum number of division time divisions of the terminal may be directly reported to the network side device, that is, two optional implementation manners for enabling the network side device to learn the maximum division time division number of the terminal transmission are provided. Therefore, the network side device can determine the final configuration parameter according to the maximum number of division time divisions of the terminal, and the configuration parameter can be sent in the downlink beam training for the UE to learn the specific situation of the downlink beam training.
  • the terminal radio frequency device capability information reported by the terminal device may be information reflecting the terminal's transmission capability (for example, the terminal transmits the maximum division time division number), or may be information reflecting the terminal measurement capability (eg, the terminal receives the maximum division time splitting). It is also possible to include both types of information, that is, information for measuring measurement capability and transmission capability can be reported at the same time. Further, the network side may determine configuration parameters in different beam measurement situations according to different conditions of the reported parameters, that is, information reflecting the transmission capability of the terminal or information reflecting the measurement capability of the terminal.
  • an embodiment of the present disclosure provides a device for acquiring configuration parameters of a beam training, which is applied to a network side device, as shown in FIG. 5, and includes:
  • the receiving unit 501 is configured to receive terminal radio frequency device capability information reported by the terminal device;
  • the parameter determining unit 502 is configured to determine, according to the terminal radio frequency device capability information, a maximum number of division time divisions of the terminal;
  • the maximum division time division number of the terminal includes at least one of the following: the terminal receives the maximum division time division number, and the terminal transmits the maximum division time division number;
  • the maximum number of division time divisions received by the terminal refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: Within a time division, the terminal device can perform at least one measurement of the receive beam;
  • the maximum number of division time divisions of the terminal transmission refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the second setting condition is satisfied;
  • the second setting condition includes: Within a time division, the terminal device can complete the transmission of at least one transmit beam;
  • the terminal radio frequency device capability information includes: a maximum division time division number of the terminal;
  • the parameter determining unit 502 is further configured to:
  • the terminal radio frequency device capability information includes: the terminal receives the beam switching duration information; the terminal receiving the beam switching duration information refers to: the duration information occupied by the terminal device in the receiving beam switching process;
  • the parameter determining unit 502 is further configured to:
  • the parameter determining unit 502 is further configured to:
  • the number of time domain sampling points occupied by the first time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum number of division time segments received by the terminal.
  • the terminal radio frequency device capability information includes: terminal transmit beam handover duration information; and the terminal transmit beam handover duration information refers to: duration information occupied by the terminal device to perform a transmit beam handover process;
  • the parameter determining unit 502 is further configured to:
  • the parameter determining unit 502 is further configured to:
  • the number of time domain sampling points occupied by the second time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread Corresponding time-domain sampling points determine the maximum number of split time segments transmitted by the terminal.
  • the number of the terminal devices is multiple;
  • the parameter determining unit 502 is further configured to:
  • the parameter determining unit 502 is further configured to:
  • the device further includes a network side capability acquiring unit 503, configured to:
  • the network-side maximum division time division number includes at least one of the following: a network side transmission maximum division time division number, and a network side reception maximum division time division number;
  • the network side transmission maximum division time division number refers to the maximum number of time divisions for OFDM symbol division supported by the network side device when the third setting condition is satisfied;
  • the third setting condition includes: Within a time division, the network side device can complete the transmission of at least one transmit beam;
  • the network side receiving the maximum division time division number refers to the maximum number of time divisions of the OFDM symbol division supported by the network side device when the fourth setting condition is satisfied; the fourth setting condition includes: Within the time division, the network side device can complete the measurement of the receiving beam at least once;
  • the parameter determining unit 502 is further configured to: if the number of the maximum split time division of the terminal includes the maximum number of split time segments received by the terminal, and the maximum number of split time segments of the network side includes the maximum number of split time segments of the network side, the parameter determining unit 502 is further configured to:
  • the smaller of the maximum number of division time divisions of the terminal and the maximum division time division number of the network side transmission is determined as the number of time divisions that need to be divided within one reference OFDM symbol in beam training;
  • the parameter determining unit 502 is further configured to: if the number of the maximum split time division of the terminal includes the maximum number of split time divisions of the terminal, and the maximum number of split time divisions of the network side includes the maximum number of split time segments received by the network side, the parameter determining unit 502 is further configured to:
  • the smaller of the maximum number of split time divisions of the terminal transmission and the maximum number of division time divisions of the network side is determined as the number of time divisions that need to be divided within one reference OFDM symbol in beam training.
  • the network side radio device capability information includes: network side transmit beam handover duration information; and the network side transmit beam handover duration information refers to: duration information occupied by the network side device for performing a transmit beam handover process;
  • the network side capability obtaining unit 503 is further configured to:
  • the network side capability obtaining unit 503 is further configured to:
  • the number of time domain sampling points occupied by the third time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum division time division number of the network side transmission.
  • the network side radio device capability information includes: network side receiving beam switching duration information; and the network side receiving beam switching duration information refers to: duration information occupied by the network side device for receiving beam switching process;
  • the network side capability obtaining unit 503 is further configured to:
  • the network side capability obtaining unit 503 is further configured to:
  • the number of time domain sampling points occupied by the fourth time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum number of division time segments received by the network side.
  • Embodiments of the present disclosure also provide a network side device, including a processor, a memory, a computer program stored on the memory and executable on the processor, the computer program being implemented by the processor to implement the above
  • a network side device including a processor, a memory, a computer program stored on the memory and executable on the processor, the computer program being implemented by the processor to implement the above
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements various processes of the beam scanning processing method embodiment, and can achieve the same The technical effect, in order to avoid duplication, will not be repeated here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • an embodiment of the present disclosure provides a device for acquiring configuration parameters of a beam training, which is applied to a terminal device. Referring to FIG. 6, the method includes:
  • the terminal capability acquiring unit 601 is configured to acquire terminal radio frequency device capability information
  • the reporting unit 602 is configured to report the radio frequency device capability information of the terminal to the network side device.
  • the terminal radio frequency device capability information is used to enable the network side device to determine the maximum division time division number of the terminal according to the terminal radio frequency device capability information;
  • the maximum division time division number of the terminal includes at least one of the following: the terminal receives the maximum division time division number, and the terminal transmits the maximum division time division number;
  • the maximum number of division time divisions received by the terminal refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: Within a time division, the terminal device can perform at least one measurement of the receive beam;
  • the maximum number of division time divisions of the terminal transmission refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the second setting condition is satisfied; the second setting condition includes: Within a time division, the terminal device is capable of performing transmission of at least one transmit beam.
  • the terminal capability acquiring unit 601 is configured to: acquire a maximum split time division number of the terminal;
  • the reporting unit 602 is configured to:
  • the maximum number of divisions of the terminal is reported to the network side device.
  • the terminal capability acquiring unit 601 is configured to:
  • the receiving beam switching duration information of the terminal refers to: duration information occupied by the terminal device for performing a receiving beam switching process
  • the terminal capability acquiring unit 601 is further configured to:
  • the number of time domain sampling points occupied by the first time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum number of division time segments received by the terminal.
  • the terminal capability acquiring unit 601 is further configured to:
  • the duration of the transmission beam switching duration of the terminal refers to: the duration information occupied by the terminal equipment during the transmission beam switching process
  • the terminal capability acquiring unit 601 is further configured to:
  • the number of time domain sampling points occupied by the second time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread Corresponding time-domain sampling points determine the maximum number of split time segments transmitted by the terminal.
  • the terminal radio frequency device capability information includes at least one of the following: a terminal receiving beam switching duration information, and a terminal transmitting beam switching duration information;
  • the receiving the beam switching duration information of the terminal refers to: the duration information occupied by the terminal device during the receiving beam switching process;
  • the terminal transmitting beam switching duration information refers to: duration information occupied by the terminal device during the transmitting beam switching process.
  • the device for acquiring the configuration parameters of the beam training introduced in the third aspect and the fourth aspect is a device that can perform the method for acquiring the configuration parameters of the beam training in the first aspect and the second aspect of the present disclosure, and is therefore based on
  • the method for acquiring the configuration parameters of the beam training introduced in the embodiments of the present disclosure can be understood by those skilled in the art to understand the specific implementation manner of the apparatus for acquiring the configuration parameters of the beam training of the present embodiment, and various changes thereof. How to obtain the configuration parameters of the beam training in the embodiment of the present disclosure is not described in detail.
  • the apparatus used by the person skilled in the art to implement the method for acquiring the configuration parameters of the beam training in the embodiments of the present disclosure is within the scope of the present application.
  • Embodiments of the present disclosure also provide a terminal device including a processor, a memory, a computer program stored on the memory and operable on the processor, the computer program being implemented by the processor to implement the beam
  • a terminal device including a processor, a memory, a computer program stored on the memory and operable on the processor, the computer program being implemented by the processor to implement the beam
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements various processes of the beam scanning processing method embodiment, and can achieve the same The technical effect, in order to avoid duplication, will not be repeated here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • FIG. 7 is a block diagram of a network side device of another embodiment of the present disclosure.
  • the network side device 700 shown in FIG. 7 includes at least one processor 701, a memory 702, at least one network interface 704, and other user interfaces 703.
  • the various components in network side device 700 are coupled together by a bus system 707. It will be appreciated that the bus system 707 is used to implement connection communication between these components.
  • the bus system 707 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 707 in FIG.
  • the user interface 703 may include a display, a keyboard, or a pointing device (eg, a mouse, a trackball, a touchpad, or a touch screen, etc.).
  • a pointing device eg, a mouse, a trackball, a touchpad, or a touch screen, etc.
  • the memory 702 in an embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • Memory 702 of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
  • memory 702 stores elements, executable modules or data structures, or a subset thereof, or their extended set: operating system 7021 and application 7022.
  • the operating system 7021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 7022 includes various applications, such as a media player (Media Player), a browser, and the like, for implementing various application services.
  • a program implementing the method of the embodiments of the present disclosure may be included in the application 7022.
  • the program or the instruction stored in the memory 702 is specifically a program or an instruction stored in the application 7022, and the processor 701 is configured to: receive the terminal radio frequency device capability information reported by the terminal device;
  • the terminal radio frequency device capability information determines a maximum division time division number of the terminal, where the terminal maximum division time division number includes at least one of the following: a terminal receiving a maximum division time division number, and a terminal transmission maximum division time division number;
  • the terminal receiving the maximum division time division number refers to the maximum number of time divisions for one reference OFDM symbol division supported by the terminal device when the first setting condition is satisfied;
  • the first setting condition includes: at each time Within the segmentation, the terminal device can complete the measurement of the at least one receiving beam;
  • the terminal transmitting the maximum division time division number refers to the maximum time division of the division of one reference OFDM symbol supported by the terminal device when the second setting condition is satisfied.
  • the second setting condition includes: in each time division, the end At least one transmitting device to complete the transmit beam; dividing the number
  • Processor 501 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 501 or an instruction in the form of software.
  • the processor 501 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502 and completes the steps of the above method in combination with its hardware.
  • the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described herein can be implemented by modules (eg, procedures, functions, and so on) that perform the functions described herein.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the processor 501 can be configured to:
  • the terminal radio frequency device capability information includes: a maximum division time division number of the terminal;
  • a maximum division time division number of the terminal including:
  • the terminal radio frequency device capability information includes: the terminal receives the beam switching duration information; the terminal receiving the beam switching duration information refers to: the duration information occupied by the terminal device in the receiving beam switching process;
  • determining, according to the received beam switching duration information, the terminal receiving the maximum number of division time divisions including:
  • the number of time domain sampling points occupied by the first time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum number of division time segments received by the terminal.
  • the terminal radio frequency device capability information includes: terminal transmit beam handover duration information; and the terminal transmit beam handover duration information refers to: duration information occupied by the terminal device to perform a transmit beam handover process;
  • determining, according to the transmit beam switching duration information of the terminal, determining a maximum split time split number of the terminal including:
  • the number of time domain sampling points occupied by the second time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread Corresponding time-domain sampling points determine the maximum number of split time segments transmitted by the terminal.
  • the number of the terminal devices is multiple;
  • determining, according to the maximum division time division number of the terminal, the number of time divisions to be divided in a reference OFDM symbol in the beam training, if the number of the maximum division time division of the terminal includes the maximum division time division number of the terminal, include:
  • each terminal corresponding to the multiple terminal devices determines the number of time divisions that need to be divided in one reference OFDM symbol in beam training;
  • Determining, according to the maximum division time division number of the terminal, determining the number of time divisions to be divided in one reference OFDM symbol in the beam training, if the number of the maximum division time division of the terminal includes the maximum division time division number of the terminal, include:
  • the processor 501 can be configured to:
  • the network-side maximum division time division number includes at least one of the following: a network side transmission maximum division time division number, and a network side reception maximum division time division number;
  • the network side transmission maximum division time division number refers to the maximum number of time divisions for OFDM symbol division supported by the network side device when the third setting condition is satisfied;
  • the third setting condition includes: Within a time division, the network side device can complete the transmission of at least one transmit beam;
  • the network side receiving the maximum division time division number refers to the maximum number of time divisions of the OFDM symbol division supported by the network side device when the fourth setting condition is satisfied; the fourth setting condition includes: Within the time division, the network side device can complete the measurement of the receiving beam at least once;
  • the number of the maximum division time division of the terminal includes the maximum number of division time divisions of the terminal, and the number of the maximum division time division number of the network side includes the maximum division time division number of the network side, the number of divisions according to the maximum division time of the terminal, Determining the number of time divisions to be divided within a reference OFDM symbol in beam training, including:
  • the smaller of the maximum number of division time divisions of the terminal and the maximum division time division number of the network side transmission is determined as the number of time divisions that need to be divided within one reference OFDM symbol in beam training;
  • the number of the maximum division time divisions of the terminal includes the maximum number of division time divisions of the terminal, and the number of the maximum division time divisions of the network side includes the maximum division time division number of the network side, the number of divisions according to the maximum division time of the terminal, Determining the number of time divisions to be divided within a reference OFDM symbol in beam training, including:
  • the smaller of the maximum number of split time divisions of the terminal transmission and the maximum number of division time divisions of the network side is determined as the number of time divisions that need to be divided within one reference OFDM symbol in beam training.
  • the network side radio device capability information includes: network side transmit beam handover duration information; and the network side transmit beam handover duration information refers to: duration information occupied by the network side device for performing a transmit beam handover process;
  • determining, according to the network side transmit beam switching duration information, a maximum number of split time divisions of the network side including:
  • the number of time domain sampling points occupied by the third time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum division time division number of the network side transmission.
  • the network side radio device capability information includes: network side receiving beam switching duration information; and the network side receiving beam switching duration information refers to: duration information occupied by the network side device for receiving beam switching process;
  • determining, according to the network side receiving beam switching duration information, the network side receiving the maximum dividing time division number including:
  • the number of time domain sampling points occupied by the fourth time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum number of division time segments received by the network side.
  • the network side device 700 can implement various processes of the foregoing implementation. To avoid repetition, details are not described herein again.
  • the network side device in the downlink beam training, can receive the terminal radio frequency device capability information reported by the terminal, and determine the terminal radio frequency device capability information according to the terminal measurement capability.
  • the terminal supports the maximum number of time divisions of the division in one OFDM symbol, and finally determines the parameter “the number of time divisions to be divided in one reference OFDM symbol” in the configuration information according to the maximum number.
  • the measurement capability of each UE is fully considered, so that the UE can maximize its own measurement capability when performing measurements, and the configuration parameters are more rationalized, which is beneficial to the rational use of resources.
  • FIG. 8 is a block diagram of a terminal device of another embodiment of the present disclosure.
  • the terminal device 800 shown in FIG. 8 includes at least one processor 801, a memory 802, at least one network interface 804, and other user interfaces 803.
  • the various components in terminal device 800 are coupled together by a bus system 805.
  • the bus system 805 is used to implement connection communication between these components.
  • the bus system 805 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 805 in FIG.
  • the user interface 803 may include a display, a keyboard, or a pointing device (eg, a mouse, a trackball, a touchpad, or a touch screen, etc.).
  • a pointing device eg, a mouse, a trackball, a touchpad, or a touch screen, etc.
  • the memory 802 in an embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SDRAM Synchronous Connection Dynamic Random Access Memory
  • DRRAM direct memory bus random access memory
  • memory 802 stores elements, executable modules or data structures, or a subset thereof, or their extended set: operating system 8021 and application 8022.
  • the operating system 8021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 8022 includes various applications, such as a media player (Media Player), a browser, and the like, for implementing various application services.
  • a program implementing the method of the embodiments of the present disclosure may be included in the application 8022.
  • the program or the instruction stored in the memory 802 may be a program or an instruction stored in the application 8022, and the processor 801 is configured to: acquire terminal radio frequency device capability information; The device capability information is reported to the network side device, where the terminal radio frequency device capability information is used to enable the network side device to determine the maximum division time division number of the terminal according to the terminal radio frequency device capability information; wherein the terminal maximum division time division number
  • the method includes at least one of the following: a terminal receiving a maximum division time division number, and a terminal transmitting a maximum division time division number; the terminal receiving a maximum division time division number refers to a pair supported by the terminal device when the first setting condition is met Refers to a maximum number of time divisions of OFDM symbol division; the first setting condition includes: in each time division, the terminal device can complete measurement of at least one reception beam; the terminal transmission maximum division time division number refers to , the pair of parameters supported by the terminal device when the second setting condition is satisfied The maximum number of time-division class
  • Processor 801 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 801 or an instruction in a form of software.
  • the processor 801 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present disclosure may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in memory 802, and processor 801 reads the information in memory 802 and, in conjunction with its hardware, performs the steps of the above method.
  • the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described herein can be implemented by modules (eg, procedures, functions, and so on) that perform the functions described herein.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the processor 801 is further configured to:
  • the acquiring the capability information of the terminal radio frequency device includes: acquiring the maximum division time division number of the terminal;
  • the terminal radio device capability information is reported to the network side device, including:
  • the maximum number of divisions of the terminal is reported to the network side device.
  • obtaining the maximum division time division number of the terminal including:
  • the receiving beam switching duration information of the terminal refers to: duration information occupied by the terminal device for performing a receiving beam switching process
  • determining, according to the received beam switching duration information, the terminal receiving the maximum number of division time divisions including:
  • the number of time domain sampling points occupied by the first time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread The corresponding number of time domain sampling points determines the maximum number of division time segments received by the terminal.
  • obtaining the maximum division time division number of the terminal including:
  • the duration of the transmission beam switching duration of the terminal refers to: the duration information occupied by the terminal equipment during the transmission beam switching process
  • determining, according to the transmit beam switching duration information of the terminal, determining a maximum split time split number of the terminal including:
  • the number of time domain sampling points occupied by the second time domain sampling point, the cyclic prefix in one reference OFDM symbol, the number of time domain sampling points occupied by the remaining part of the reference OFDM symbol except the cyclic prefix, and the maximum delay spread Corresponding time-domain sampling points determine the maximum number of split time segments transmitted by the terminal.
  • the terminal radio frequency device capability information includes at least one of the following: a terminal receiving beam switching duration information, and a terminal transmitting beam switching duration information;
  • the receiving the beam switching duration information of the terminal refers to: the duration information occupied by the terminal device during the receiving beam switching process;
  • the terminal transmitting beam switching duration information refers to: duration information occupied by the terminal device during the transmitting beam switching process.
  • the terminal device 800 can implement the various processes of the foregoing implementation. To avoid repetition, details are not described herein again.
  • the terminal device provided by the embodiment of the present disclosure can enable the network side device to obtain the terminal radio frequency device capability information, so that the network side device can obtain the first maximum division time division number according to the terminal radio frequency device capability information.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, a portion of the technical solution of the present disclosure that contributes in essence or to the related art or a part of the technical solution may be embodied in the form of a software product stored in a storage medium, including several The instructions are for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

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

Abstract

La présente invention concerne un procédé et un dispositif d'acquisition de paramètres de configuration destinés à un apprentissage de faisceau. Le procédé consiste : à recevoir des informations de capacité de dispositif radiofréquence de terminal qui sont rapportées par un dispositif terminal ; à déterminer le plus grand nombre de divisions temporelles de terminal selon les informations de capacité de dispositif radiofréquence de terminal, le plus grand nombre de divisions temporelles de terminal comprenant le plus grand nombre de divisions temporelles de réception de terminal et/ou le plus grand nombre de divisions temporelles de transmission de terminal, et le plus grand nombre de divisions temporelles de réception de terminal se rapportant au nombre maximal de divisions temporelles prises en charge par le dispositif terminal pour la division d'un symbole de multiplexage par répartition orthogonale de la fréquence (OFDM) de référence lorsqu'une première condition définie est satisfaite.
PCT/CN2018/091251 2017-06-16 2018-06-14 Procédé et dispositif d'acquisition de paramètres de configuration destinés à un apprentissage de faisceau WO2018228471A1 (fr)

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CN117676664A (zh) * 2022-08-11 2024-03-08 中兴通讯股份有限公司 波束测量方法、用户装置、基站、存储介质及程序产品

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