WO2019041151A1 - 最佳波束上报和确定方法及装置、用户设备、基站 - Google Patents

最佳波束上报和确定方法及装置、用户设备、基站 Download PDF

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Publication number
WO2019041151A1
WO2019041151A1 PCT/CN2017/099563 CN2017099563W WO2019041151A1 WO 2019041151 A1 WO2019041151 A1 WO 2019041151A1 CN 2017099563 W CN2017099563 W CN 2017099563W WO 2019041151 A1 WO2019041151 A1 WO 2019041151A1
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Prior art keywords
base station
optimal beam
msg3
optimal
message
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PCT/CN2017/099563
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English (en)
French (fr)
Inventor
刘洋
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北京小米移动软件有限公司
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to ES17923292T priority Critical patent/ES2951787T3/es
Priority to PCT/CN2017/099563 priority patent/WO2019041151A1/zh
Priority to CN201780001370.9A priority patent/CN109451856B/zh
Priority to EP17923292.1A priority patent/EP3667938B1/en
Priority to US16/622,893 priority patent/US11304067B2/en
Publication of WO2019041151A1 publication Critical patent/WO2019041151A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0866—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to an optimal beam reporting and determining method and apparatus, user equipment, base station, and computer readable storage medium.
  • the fifth generation mobile communication technology 5th Generation, referred to as 5G
  • the 5G system will be used for high-band applications, ie applications above 6 GHz.
  • the high frequency band because the propagation characteristics of radio waves are not good, the traditional omnidirectional transmission will no longer be applicable, and beam scanning and beam management are required to communicate.
  • the synchronization signal block serves as a reference for the downlink beam measurement in the initial access process, and it includes a beam index (ID), so that the UE can report the Beam according to the index.
  • ID beam index
  • the process of the user equipment (UE) interacting with the network for the first time is a random access procedure, and the first message of the random process (MSG1) is a function of transmitting a random sequence (preamble), which cannot carry the best beam reporting, so the first
  • the uplink information that can report the best beam is the third message (MSG3), that is, the UE reports an optimal beam ID, which may be the beam corresponding to the current MSG1 or the second message (MSG2), or may be other beams.
  • the beam measured at the time of downlink synchronization is uncertain which of the two beams is, and therefore, the optimal beam may change. If the UE performs the best beam reporting in the random access process, it is advantageous for the base station to adjust the beam, especially the signaling after the random access and the sending of the uplink and downlink data.
  • the present application discloses an optimal beam reporting and determining method and apparatus, a user equipment, a base station, and a computer readable storage medium to implement reporting a best beam in a random access procedure in a resource-saving manner.
  • an optimal beam reporting method is provided, which is applied to a user equipment UE, Methods include:
  • the method further includes:
  • Receiving an optimal beam measurement request sent by the base station and transmitting an optimal beam measurement report to the base station according to the optimal beam measurement request, for receiving the MSG4 on the initial beam.
  • the base station returns the adjusted optimal beam index according to the optimal beam measurement report.
  • the method further includes:
  • an optimal beam determining method for a base station, the method comprising:
  • the method further includes:
  • the method further includes:
  • the adjusted optimal beam index is sent to the UE, signaling or data is transmitted on the adjusted optimal beam.
  • the method further includes:
  • an optimal beam reporting apparatus which is applied to a user equipment UE, and the apparatus includes:
  • a sending module configured to send a third message MSG3 to the base station on the measured optimal beam
  • Waiting for the receiving module configured to wait for receiving on the optimal beam and the original beam originally used for transmitting the MSG3 after the transmitting module sends the third message MSG3 to the base station on the measured optimal beam.
  • the fourth message MSG4 returned by the base station.
  • the apparatus further includes:
  • Determining a transmission module configured to, after the waiting for receiving module waits on the initial beam for transmitting the MSG3 and wait for receiving the fourth message MSG4 returned by the base station, Receiving the MSG4 on the best beam, transmitting signaling or data on the best beam;
  • Determining a transceiver module configured to, after the waiting for receiving module waits on the initial beam for transmitting the MSG3 and wait for receiving the fourth message MSG4 returned by the base station, Receiving the MSG4 on the initial beam, receiving an optimal beam measurement request sent by the base station, and sending an optimal beam measurement report to the base station according to the optimal beam measurement request, where the base station is used according to the The best beam measurement report returns the adjusted optimal beam index.
  • the apparatus further includes:
  • the receiving module is configured to: after the determining the sending and receiving module sends the best beam measurement report to the base station, if the current UE remains in the connected state, receive the signaling sent by the base station on the adjusted optimal beam Or data.
  • an optimal beam determining apparatus which is applied to a base station, the apparatus comprising:
  • a receiving module configured to receive a third message MSG3 that is sent by the user equipment UE on the best beam
  • a returning module configured to return a fourth message MSG4 to the UE on the best beam after the receiving module receives the MSG3, or to the UE on an initial beam originally used to send the MSG3 Return to the fourth message MSG4.
  • the apparatus further includes:
  • a request sending module configured to send an optimal beam measurement request to the UE after the returning module returns a fourth message MSG4 to the UE on an initial beam originally used to send the MSG3;
  • a report receiving module configured to receive an optimal beam measurement report sent by the UE according to the optimal beam measurement request sent by the request sending module
  • the adjustment sending module is configured to adjust the beam according to the best beam index carried in the optimal beam measurement report received by the report receiving module, and send the adjusted optimal beam index to the UE.
  • the apparatus further includes:
  • the first transmission module is configured to transmit signaling or data on the adjusted optimal beam after the adjustment sending module sends the adjusted optimal beam index to the UE.
  • the apparatus further includes:
  • a second transmission module configured to transmit signaling or data on the optimal beam after the returning module returns a fourth message MSG4 to the UE on the best beam.
  • a user equipment including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • a base station including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • a computer readable storage medium having stored thereon a computer program, the program being executed by a processor to implement the step of the optimal beam reporting method of claim 1.
  • a computer readable storage medium having stored thereon a computer program, the program being executed by a processor to implement the steps of the optimal beam determining method of claim 4.
  • the optimal beam is implicitly reported in the random access process, and the bits for indicating the beam information are not required to be defined, thereby saving resources.
  • the base station can learn the best beam measured by the UE, and does not need to define more bits for indicating the beam information in the implementation process, thereby saving resources.
  • FIG. 1 is a flowchart of an optimal beam reporting method according to an exemplary embodiment of the present application
  • FIG. 2 is a flowchart of an optimal beam determining method according to an exemplary embodiment of the present application
  • FIG. 3 is a signaling flowchart of an optimal beam reporting method according to an exemplary embodiment of the present application.
  • FIG. 4 is a signaling flowchart of another preferred beam reporting method according to an exemplary embodiment of the present application.
  • FIG. 5 is a block diagram of an optimal beam reporting apparatus according to an exemplary embodiment
  • FIG. 6 is a block diagram of another preferred beam reporting apparatus according to an exemplary embodiment
  • FIG. 7 is a block diagram of another preferred beam reporting apparatus according to an exemplary embodiment.
  • FIG. 8 is a block diagram of an optimal beam determining apparatus according to an exemplary embodiment
  • FIG. 9 is a block diagram of another preferred beam determining apparatus according to an exemplary embodiment.
  • FIG. 10 is a block diagram of another preferred beam determining apparatus, according to an exemplary embodiment.
  • FIG. 11 is a block diagram of another preferred beam determining apparatus, according to an exemplary embodiment.
  • FIG. 12 is a block diagram showing an apparatus suitable for optimal beam reporting according to an exemplary embodiment
  • FIG. 13 is a block diagram showing another suitable beam determining apparatus according to an exemplary embodiment.
  • the optimal beam reporting method includes:
  • step S101 MSG3 is transmitted to the base station on the measured best beam.
  • the UE may send the MSG3 to the base station on the previously measured best beam.
  • the base station may choose to replace the beam to return the fourth message (MSG4), or may choose not to replace the beam and return to the MSG4.
  • MSG4 fourth message
  • step S102 the MSG4 returned by the receiving base station is simultaneously waiting on the optimal beam and on the initial beam originally used for transmitting the MSG3.
  • the UE Since the UE does not know whether the base station replaces the beam and returns to the MSG4, the UE waits for the MSG4 returned by the base station while waiting on the best beam and the original beam originally used for transmitting the MSG3.
  • the optimal beam is implicitly reported in the random access process, and the bits for indicating the beam information are not required to be defined, thereby saving resources.
  • FIG. 2 is a flowchart of an optimal beam determining method according to an exemplary embodiment of the present application. The embodiment is described from the base station side. As shown in FIG. 2, the optimal beam reporting method includes:
  • step S201 the MSG3 transmitted by the UE on the best beam is received.
  • the UE directly transmits the MSG3 on the best beam that was previously measured.
  • step S202 the MSG4 is returned to the UE on the best beam, or the MSG4 is returned to the UE on the original beam originally used to transmit the MSG3.
  • the base station may return the MSG4 to the UE on the best beam, or may return the MSG4 to the UE on the original beam originally used to send the MSG3.
  • the base station If the base station returns the MSG4 to the UE on the best beam, it indicates that the base station has performed beam adjustment according to the best beam reported by the UE. If the base station returns the MSG4 to the UE on the initial beam originally used for transmitting the MSG3, the base station does not follow the UE. The best beam reported is beam-tuned.
  • the base station by receiving the MSG3 that is sent by the UE on the best beam, the base station can learn the best beam measured by the UE, and does not need to define more bits for indicating the beam information in the implementation process, thereby saving resources.
  • FIG. 3 is a signaling flowchart of an optimal beam reporting method according to an exemplary embodiment of the present application. The embodiment is described from the perspective of interaction between a base station and a UE. As shown in FIG. 3, the optimal beam reporting method is shown in FIG. include:
  • step S301 the UE transmits MSG1 to the base station.
  • step S302 the base station returns MSG2 to the UE.
  • step S303 the UE transmits the MSG3 to the base station on the measured best beam.
  • step S304 the UE simultaneously waits for the MSG4 returned by the receiving base station on the best beam and the original beam originally used to transmit the MSG3.
  • step S305 the base station returns MSG4 to the UE on the best beam.
  • step S306 the UE and the base station transmit signaling or data through the best beam.
  • the UE receives the MSG4 returned by the base station on the best beam, indicating that the base station has performed beam adjustment according to the best beam reported by the UE. Thereafter, if the UE remains in the connected state, signaling or data can be transmitted with the base station through the best beam.
  • the UE and the base station transmit signaling or data through the optimal beam, including: the UE sends signaling or data to the base station by using the best beam, and the method further includes: the UE receives the signaling or data sent by the base station by using the optimal beam, that is, the UE and the base station. Two-way transmission is possible between.
  • the interaction between the UE and the base station enables the UE to implicitly report the best beam in the random access process, so that the base station can receive the best beam that is reported, and adjust the beam accordingly, thereby achieving optimal transmission.
  • the beam transmits signaling or data to improve transmission efficiency.
  • FIG. 4 is a signaling flowchart of an optimal beam reporting method according to an exemplary embodiment of the present application. The embodiment is described from the perspective of interaction between a base station and a UE. As shown in FIG. 4, the optimal beam reporting method is shown in FIG. include:
  • step S401 the UE transmits MSG1 to the base station.
  • step S402 the base station returns MSG2 to the UE.
  • step S403 the UE transmits the MSG3 to the base station on the measured best beam.
  • step S404 the UE simultaneously waits for the MSG4 returned by the receiving base station on the best beam and the original beam originally used to transmit the MSG3.
  • step S405 the base station returns MSG4 to the UE on the initial beam originally used to transmit MSG3.
  • step S406 the base station transmits an optimal beam measurement request to the UE.
  • step S407 the UE returns an optimal beam measurement report to the base station according to the received optimal beam measurement request.
  • step S408 the base station adjusts the beam according to the best beam index carried in the optimal beam measurement report, and returns the adjusted optimal beam index to the UE.
  • the optimal beam reported by the UE in the random access process may be inaccurate. Therefore, after the random access is completed, the best beam measurement request sent by the base station may be received, and the best beam measurement request may be returned to the base station according to the optimal beam measurement request.
  • the best beam measurement report enables the base station to adjust the beam according to the best beam index carried in the best beam measurement report, so as to obtain an accurate optimal beam.
  • step S409 the UE and the base station transmit signaling or data through an optimal beam.
  • the UE and the base station transmit signaling or data through the optimal beam, including: the UE sends signaling or data to the base station by using the best beam, and the method further includes: the UE receives the signaling or data sent by the base station by using the optimal beam, that is, the UE and the base station. Two-way transmission is possible between.
  • the interaction between the UE and the base station enables the base station to receive the optimal beam measurement report after the random access of the UE is completed, and adjust the beam according to the optimal beam index carried in the optimal beam measurement report, thereby Obtain an accurate optimal beam, and then achieve optimal transmission of signaling or data through the best beam to improve transmission efficiency.
  • FIG. 5 is a block diagram of an optimal beam reporting apparatus according to an exemplary embodiment.
  • the apparatus may be located in a UE.
  • the optimal beam reporting apparatus includes: a sending module 51 and a waiting receiving module 52. .
  • the transmitting module 51 is configured to transmit a third message MSG3 to the base station on the measured best beam.
  • the UE may send the MSG3 to the base station on the previously measured best beam.
  • the base station may choose to replace the beam to return the fourth message (MSG4), or may choose not to replace the beam and return to the MSG4.
  • MSG4 fourth message
  • the waiting receiving module 52 is configured to wait for the receiving base station to return at the same time on the optimal beam and the original beam originally used to transmit the MSG3 after the transmitting module 51 transmits the third message MSG3 to the base station on the measured best beam. Message MSG4.
  • the UE Since the UE does not know whether the base station replaces the beam and returns to the MSG4, the UE waits for the MSG4 returned by the base station while waiting on the best beam and the original beam originally used for transmitting the MSG3.
  • the optimal beam is implicitly reported in the random access process, and the bits for indicating the beam information are not required to be defined, thereby saving resources.
  • FIG. 6 is a block diagram of another preferred beam reporting apparatus according to an exemplary embodiment. As shown in FIG. 6, the apparatus may further include: determining the transmission module 53 on the basis of the foregoing embodiment shown in FIG. And determining the transceiver module 54.
  • the transmission module 53 Determining that the transmission module 53 is configured to wait for the receiving module 52 to wait for the fourth message MSG4 returned by the receiving base station on the best beam and the original beam originally used to transmit the MSG3, if the MSG4 is received on the best beam, then Signaling or data is transmitted on the best beam.
  • the transceiver module 54 Determining that the transceiver module 54 is configured to receive the MSG4 on the initial beam after waiting for the receiving module 52 to wait for the fourth message MSG4 returned by the receiving base station on the optimal beam and the original beam originally used to transmit the MSG3.
  • the best beam measurement request sent by the base station and sending an optimal beam measurement report to the base station according to the optimal beam measurement request, for the base station to return the adjusted optimal beam index according to the optimal beam measurement report.
  • the optimal beam reported by the UE in the random access process may be inaccurate. Therefore, after the random access is completed, the best beam measurement request sent by the base station may be received, and the best beam measurement request may be returned to the base station according to the optimal beam measurement request.
  • the best beam measurement report enables the base station to adjust the beam according to the best beam index carried in the best beam measurement report, so as to obtain an accurate optimal beam.
  • MSG4 by receiving the MSG4 on the best beam, it is confirmed that the base station has performed beam adjustment according to the best beam reported by the UE, so that signaling or data can be transmitted on the best beam; by receiving on the initial beam.
  • MSG4 confirming that the base station does not perform beam adjustment according to the best beam reported by the UE, and may receive the best beam measurement request sent by the base station, and send an optimal beam measurement report to the base station according to the optimal beam measurement request, so that the base station is optimal according to the best
  • the beam measurement report returns the adjusted optimal beam index to obtain a more accurate optimal beam.
  • FIG. 7 is a block diagram of another optimal beam reporting apparatus according to an exemplary embodiment. As shown in FIG. 7, the apparatus may further include: a receiving module 55, based on the foregoing embodiment shown in FIG.
  • the receiving module 55 is configured to, after determining that the transceiver module 54 sends the best beam measurement report to the base station, if the current UE remains in the connected state, receive signaling or data sent by the base station on the adjusted optimal beam.
  • the signaling or data sent by the base station on the adjusted optimal beam may be received, and since the adjusted optimal beam is more accurate, the receiving base station is the most adjusted.
  • the signaling or data sent on the good beam is more efficient.
  • FIG. 8 is a block diagram of an optimal beam determining apparatus, which may be located in a base station, as shown in FIG. 8, the best beam determining apparatus includes a receiving module 81 and a returning module 82, according to an exemplary embodiment.
  • the receiving module 81 is configured to receive a third message MSG3 that the user equipment UE transmits on the best beam.
  • the UE directly transmits the MSG3 on the best beam that was previously measured.
  • the return module 82 is configured to return a fourth message MSG4 to the UE on the best beam after the receiving module 81 receives the MSG3, or return a fourth message MSG4 to the UE on the initial beam originally used to transmit the MSG3.
  • the base station may return the MSG4 to the UE on the best beam, or may return the MSG4 to the UE on the original beam originally used to send the MSG3.
  • the base station If the base station returns the MSG4 to the UE on the best beam, it indicates that the base station has performed beam adjustment according to the best beam reported by the UE. If the base station returns the MSG4 to the UE on the initial beam originally used for transmitting the MSG3, the base station does not follow the UE. The best beam reported is beam-tuned.
  • the base station by receiving the MSG3 that is sent by the UE on the best beam, the base station can learn the best beam measured by the UE, and does not need to define more bits for indicating the beam information in the implementation process, thereby saving resources.
  • FIG. 9 is a block diagram of another optimal beam determining apparatus according to an exemplary embodiment. As shown in FIG. 9, on the basis of the foregoing embodiment shown in FIG. 8, the apparatus may further include: a request sending module 83. The report receiving module 84 and the adjustment transmitting module 85.
  • the request sending module 83 is configured to send an optimal beam measurement request to the UE after the return module 82 returns a fourth message MSG4 to the UE on the initial beam originally used to transmit the MSG3.
  • the report receiving module 84 is configured to receive an optimal beam measurement report transmitted by the UE according to the best beam measurement request sent by the request sending module 83.
  • the adjustment transmitting module 85 is configured to adjust the beam according to the best beam index carried in the optimal beam measurement report received by the report receiving module 84, and send the adjusted optimal beam index to the UE.
  • the optimal beam reported by the UE in the random access process may be inaccurate. Therefore, after the random access is completed, the best beam measurement request sent by the base station may be received, and the best beam measurement request may be returned to the base station according to the optimal beam measurement request.
  • the best beam measurement report enables the base station to adjust the beam according to the best beam index carried in the best beam measurement report, so as to obtain an accurate optimal beam.
  • the best beam measurement request is sent to the UE, and the optimal beam measurement request sent by the UE according to the request sending module is received.
  • the best beam measurement report is sent, and then the beam is adjusted according to the best beam index carried in the best beam measurement report received by the report receiving module, and the adjusted optimal beam index is sent to the UE, so as to obtain a more accurate optimal beam. .
  • FIG. 10 is a block diagram of another preferred beam determining apparatus according to an exemplary embodiment. As shown in FIG. 10, on the basis of the foregoing embodiment shown in FIG. 9, the apparatus may further include: a first transmission module. 86.
  • the first transmission module 86 is configured to transmit signaling or data on the adjusted optimal beam after the adjustment transmitting module 85 transmits the adjusted optimal beam index to the UE.
  • the transmission efficiency is higher by transmitting signaling or data on the adjusted optimal beam.
  • FIG. 11 is a block diagram of another preferred beam determining apparatus according to an exemplary embodiment. As shown in FIG. 11, on the basis of the foregoing embodiment shown in FIG. 8, the apparatus may further include: a second transmission module. 87.
  • the second transmission module 87 is configured to transmit signaling or data on the best beam after the return module 82 returns the fourth message MSG4 to the UE on the best beam.
  • the transmission efficiency is higher by transmitting signaling or data on the best beam.
  • FIG. 12 is a block diagram of an apparatus suitable for optimal beam reporting, according to an exemplary embodiment.
  • device 1200 can be a user device such as a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 1200 can include one or more of the following components: processing component 1202, memory 1204, power component 1206, multimedia component 1208, audio component 1210, input/output (I/O) interface 1212, sensor component 1214, And a communication component 1216.
  • Processing component 1202 typically controls the overall operation of device 1200, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 1202 can include one or more processors 1220 to execute instructions to perform all or part of the steps described above.
  • processing component 1202 can include one or more modules to facilitate interaction between component 1202 and other components.
  • processing component 1202 can include a multimedia module to facilitate interaction between multimedia component 1208 and processing component 1202.
  • Memory 1204 is configured to store various types of data to support operation at device 1200. Examples of such data include instructions for any application or method operating on device 1200, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 1204 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM Erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 1206 provides power to various components of device 1200.
  • Power component 1206 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 1200.
  • the multimedia component 1208 includes a screen between the device 1200 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor can sense not only the boundaries of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 1208 includes a front camera and/or a rear camera. When the device 1200 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1210 is configured to output and/or input an audio signal.
  • audio component 1210 includes a microphone (MIC) that is configured to receive an external audio signal when device 1200 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 1204 or transmitted via communication component 1216.
  • audio component 1210 also includes a speaker for outputting an audio signal.
  • the I/O interface 1212 provides an interface between the processing component 1202 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor assembly 1214 includes one or more sensors for providing status assessment of various aspects to device 1200.
  • sensor component 1214 can detect an open/closed state of device 1200, a relative positioning of components, such as a display and a keypad of device 1200, and sensor component 1214 can also detect a change in position of a component of device 1200 or device 1200, the user The presence or absence of contact with device 1200, device 1200 orientation or acceleration/deceleration and temperature change of device 1200.
  • Sensor assembly 1214 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1214 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1216 is configured to facilitate wired or wireless communication between device 1200 and other devices.
  • the device 1200 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 1216 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • communication component 1216 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • device 1200 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • one of the processing components 1202 can be configured to:
  • non-transitory computer readable storage medium comprising instructions, such as a memory 1204 comprising instructions executable by processor 1220 of apparatus 1200 to perform the above method.
  • the non-transitory computer readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • FIG. 13 is a block diagram showing another suitable beam determining apparatus according to an exemplary embodiment.
  • Apparatus 1300 can be provided as a base station.
  • apparatus 1300 includes a processing component 1322, a wireless transmit/receive component 1324, an antenna component 1326, and a signal processing portion specific to the wireless interface.
  • Processing component 1322 can further include one or more processors.
  • One of the processing components 1322 can be configured to:
  • non-transitory computer readable storage medium comprising instructions executable by processing component 1322 of apparatus 1300 to perform the optimal beam determining method described above.
  • the non-transitory computer readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • the device embodiment since it basically corresponds to the method embodiment, refer to the method embodiment for the relevant points. Part of the description can be.
  • the device embodiments described above are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located in one place. Or it can be distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.

Abstract

本公开是关于一种最佳波束上报和确定方法及装置、用户设备、基站和计算机可读存储介质。其中，最佳波束上报方法包括：在测量的最佳波束上向基站发送第三消息MSG3；在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的第四消息MSG4。本公开实施例，通过在测量的最佳波束上向基站发送MSG3，实现了在随机接入过程中隐含上报最佳波束，且不需要多定义用于表示波束信息的比特，节省了资源。

Description

最佳波束上报和确定方法及装置、用户设备、基站 技术领域
本公开涉及通信技术领域，尤其涉及一种最佳波束上报和确定方法及装置、用户设备、基站和计算机可读存储介质。
背景技术
随着无线通信技术的飞速发展，出现了第五代移动通信技术(5th Generation，简称为5G)系统。5G系统将面向高频段应用，即6GHz以上频段的应用。在高频段，因为无线电波的传播特性不好，因此传统的全向发送将不再适用，需要引入波束(beam)扫描和波束管理来进行通信。
同步信号块(SSB)作为初始接入过程中下行beam测量的基准，它包含beam索引(ID)，这样，UE可以按照索引来上报Beam。
用户设备(UE)第一次和网络交互信息的过程就是随机接入过程，而随机过程的第一消息(MSG1)是发送随机序列(preamble)，无法承载最佳beam上报的功能，因此第一个能上报最佳beam的上行信息就是第三消息(MSG3)，即UE上报一个最佳beam ID，这个beam可能是当前MSG1或第二消息(MSG2)对应的beam，也可能是其他beam。
由于UE在移动，并且UE可能是处于两个Beam中间的位置，那么下行同步时测量的beam不确定是这两个波束中的哪个波束，因此，最佳beam可能发生变化。如果UE在随机接入过程中进行最佳beam上报，则有利于基站调整beam，尤其是随机接入后的信令和上下行数据的发送。
相关技术中，直接通过MSG3上报之前测量的最佳波束，但这种方式需要多定义6bit(对应最多64个波束)，浪费无线资源。
发明内容
有鉴于此，本申请公开了一种最佳波束上报和确定方法及装置、用户设备、基站和计算机可读存储介质，以实现采用节省资源的方式在随机接入过程中上报最佳波束。
根据本公开实施例的第一方面，提供一种最佳波束上报方法，应用于用户设备UE，所述 方法包括：
在测量的最佳波束上向基站发送第三消息MSG3；
在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
在一实施例中，在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4之后，所述方法还包括：
若在所述最佳波束上接收到所述MSG4，则在所述最佳波束上传输信令或数据；
若在所述初始波束上接收到所述MSG4，则接收所述基站发送的最佳波束测量请求，并根据所述最佳波束测量请求向所述基站发送最佳波束测量报告，以用于所述基站根据所述最佳波束测量报告返回调整后的最佳波束索引。
在一实施例中，所述方法还包括：
在所述向所述基站发送最佳波束测量报告之后，若当前UE保持在连接态，则接收所述基站在调整后的最佳波束上发送的信令或数据。
根据本公开实施例的第二方面，提供一种最佳波束确定方法，应用于基站，所述方法包括：
接收用户设备UE在最佳波束上发送的第三消息MSG3；
在所述最佳波束上向所述UE返回第四消息MSG4，或者在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4。
在一实施例中，所述方法还包括：
在所述在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4之后，向所述UE发送最佳波束测量请求；
接收所述UE根据所述最佳波束测量请求发送的最佳波束测量报告；
根据所述最佳波束测量报告中携带的最佳波束索引调整波束，并向所述UE发送调整后的最佳波束索引。
在一实施例中，所述方法还包括：
在所述向所述UE发送调整后的最佳波束索引之后，在调整后的最佳波束上传输信令或数据。
在一实施例中，所述方法还包括：
在所述最佳波束上向所述UE返回第四消息MSG4之后，在所述最佳波束上传输信令或数据。
根据本公开实施例的第三方面，提供一种最佳波束上报装置，应用于用户设备UE，所述装置包括：
发送模块，被配置为在测量的最佳波束上向基站发送第三消息MSG3；
等待接收模块，被配置为在所述发送模块在测量的最佳波束上向基站发送第三消息MSG3之后，在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
在一实施例中，所述装置还包括：
确定传输模块，被配置为在所述等待接收模块在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4之后，若在所述最佳波束上接收到所述MSG4，则在所述最佳波束上传输信令或数据；
确定收发模块，被配置为在所述等待接收模块在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4之后，若在所述初始波束上接收到所述MSG4，则接收所述基站发送的最佳波束测量请求，并根据所述最佳波束测量请求向所述基站发送最佳波束测量报告，以用于所述基站根据所述最佳波束测量报告返回调整后的最佳波束索引。
在一实施例中，所述装置还包括：
接收模块，被配置为在所述确定发送接收模块向所述基站发送最佳波束测量报告之后，若当前UE保持在连接态，则接收所述基站在调整后的最佳波束上发送的信令或数据。
根据本公开实施例的第四方面，提供一种最佳波束确定装置，应用于基站，所述装置包括：
接收模块，被配置为接收用户设备UE在最佳波束上发送的第三消息MSG3；
返回模块，被配置为在所述接收模块接收所述MSG3之后，在所述最佳波束上向所述UE返回第四消息MSG4，或者在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4。
在一实施例中，所述装置还包括：
请求发送模块，被配置为在所述返回模块在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4之后，向所述UE发送最佳波束测量请求；
报告接收模块，被配置为接收所述UE根据所述请求发送模块发送的所述最佳波束测量请求发送的最佳波束测量报告；
调整发送模块，被配置为根据所述报告接收模块接收的所述最佳波束测量报告中携带的最佳波束索引调整波束，并向所述UE发送调整后的最佳波束索引。
在一实施例中，所述装置还包括：
第一传输模块，被配置为在所述调整发送模块向所述UE发送调整后的最佳波束索引之后，在调整后的最佳波束上传输信令或数据。
在一实施例中，所述装置还包括：
第二传输模块，被配置为在所述返回模块在所述最佳波束上向所述UE返回第四消息MSG4之后，在所述最佳波束上传输信令或数据。
根据本公开实施例的第五方面，提供一种用户设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
在测量的最佳波束上向基站发送第三消息MSG3；
在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
根据本公开实施例的第六方面，提供一种基站，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
接收用户设备UE在最佳波束上发送的第三消息MSG3；
在所述最佳波束上向所述UE返回第四消息MSG4，或者在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4。
根据本公开实施例的第七方面，提供一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现权利要求1所述的最佳波束上报方法的步骤。
根据本公开实施例的第八方面，提供一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现权利要求4所述的最佳波束确定方法的步骤。
本公开的实施例提供的技术方案可以包括以下有益效果：
通过在测量的最佳波束上向基站发送MSG3，实现了在随机接入过程中隐含上报最佳波束，且不需要多定义用于表示波束信息的比特，节省了资源。
通过接收UE在最佳波束上发送的MSG3，使得基站可以获知UE测量的最佳波束，且实现过程中不需要多定义用于表示波束信息的比特，节省了资源。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。
图1是本申请一示例性实施例示出的一种最佳波束上报方法的流程图；
图2是本申请一示例性实施例示出的一种最佳波束确定方法的流程图；
图3是本申请一示例性实施例示出的一种最佳波束上报方法的信令流程图；
图4是本申请一示例性实施例示出的另一种最佳波束上报方法的信令流程图；
图5是根据一示例性实施例示出的一种最佳波束上报装置的框图；
图6是根据一示例性实施例示出的另一种最佳波束上报装置的框图；
图7是根据一示例性实施例示出的另一种最佳波束上报装置的框图；
图8是根据一示例性实施例示出的一种最佳波束确定装置的框图；
图9是根据一示例性实施例示出的另一种最佳波束确定装置的框图；
图10是根据一示例性实施例示出的另一种最佳波束确定装置的框图；
图11是根据一示例性实施例示出的另一种最佳波束确定装置的框图；
图12是根据一示例性实施例示出的一种适用于最佳波束上报装置的框图；
图13是根据一示例性实施例示出的另一种适用于最佳波束确定装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
图1是本申请一示例性实施例示出的一种最佳波束上报方法的流程图，该实施例从UE侧进行描述，如图1所示，该最佳波束上报方法包括：
在步骤S101中，在测量的最佳波束上向基站发送MSG3。
UE在随机接入过程中，可以在之前测量的最佳波束上向基站发送MSG3，基站可以选择更换波束返回第四消息(MSG4)，也可以选择不更换波束返回MSG4。
在步骤S102中，在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的MSG4。
由于UE不知道基站是否更换波束返回MSG4，因此，UE在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的MSG4。
上述实施例，通过在测量的最佳波束上向基站发送MSG3，实现了在随机接入过程中隐含上报最佳波束，且不需要多定义用于表示波束信息的比特，节省了资源。
图2是本申请一示例性实施例示出的一种最佳波束确定方法的流程图，该实施例从基站侧进行描述，如图2所示，该最佳波束上报方法包括：
在步骤S201中，接收UE在最佳波束上发送的MSG3。
为了节省资源，UE直接在之前测量的最佳波束上发送的MSG3。
在步骤S202中，在最佳波束上向UE返回MSG4，或者在原用于发送MSG3的初始波束上向UE返回MSG4。
基站在接收到UE在最佳波束上发送的MSG3之后，可以在最佳波束上向UE返回MSG4，也可以在原用于发送MSG3的初始波束上向UE返回MSG4。
若基站在最佳波束上向UE返回MSG4，则表明基站已按照UE上报的最佳波束进行了波束调整，若基站在原用于发送MSG3的初始波束上向UE返回MSG4，则表明基站未按照UE上报的最佳波束进行波束调整。
上述实施例，通过接收UE在最佳波束上发送的MSG3，使得基站可以获知UE测量的最佳波束，且实现过程中不需要多定义用于表示波束信息的比特，节省了资源。
图3是本申请一示例性实施例示出的一种最佳波束上报方法的信令流程图，该实施例从基站和UE交互的角度进行描述，如图3所示，该最佳波束上报方法包括：
在步骤S301中，UE向基站发送MSG1。
在步骤S302中，基站向UE返回MSG2。
在步骤S303中，UE在测量的最佳波束上向基站发送MSG3。
在步骤S304中，UE在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的MSG4。
在步骤S305中，基站在最佳波束上向UE返回MSG4。
在步骤S306中，UE和基站通过最佳波束传输信令或数据。
在该实施例中，UE接收到基站在最佳波束上返回的MSG4，则表明基站已按照UE上报的最佳波束进行了波束调整。之后，若UE保持在连接态，则可以和基站通过最佳波束传输信令或数据。
其中，UE和基站通过最佳波束传输信令或数据包括：UE通过最佳波束向基站发送信令或数据，也包括：UE通过最佳波束接收基站发送的信令或数据，即UE和基站之间可以进行双向传输。
上述实施例，通过UE和基站之间的交互，使得UE可以在随机接入过程中隐含上报最佳波束，使得基站可以接收上报的最佳波束，并据此调整波束，从而实现通过最佳波束传输信令或数据，以提高传输效率。
图4是本申请一示例性实施例示出的一种最佳波束上报方法的信令流程图，该实施例从基站和UE交互的角度进行描述，如图4所示，该最佳波束上报方法包括：
在步骤S401中，UE向基站发送MSG1。
在步骤S402中，基站向UE返回MSG2。
在步骤S403中，UE在测量的最佳波束上向基站发送MSG3。
在步骤S404中，UE在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的MSG4。
在步骤S405中，基站在原用于发送MSG3的初始波束上向UE返回MSG4。
在步骤S406中，基站向UE发送最佳波束测量请求。
在步骤S407中，UE根据接收的最佳波束测量请求向基站返回最佳波束测量报告。
在步骤S408中，基站根据最佳波束测量报告中携带的最佳波束索引调整波束，并向UE返回调整后的最佳波束索引。
由于UE在随机接入过程中上报的最佳波束可能不准确，因此，可以在随机接入完成后，可以通过接收基站发送的最佳波束测量请求，并根据该最佳波束测量请求向基站返回最佳波束测量报告，使得基站可以根据最佳波束测量报告中携带的最佳波束索引调整波束，从而获得准确的最佳波束。
在步骤S409中，UE和基站通过最佳波束传输信令或数据。
其中，UE和基站通过最佳波束传输信令或数据包括：UE通过最佳波束向基站发送信令或数据，也包括：UE通过最佳波束接收基站发送的信令或数据，即UE和基站之间可以进行双向传输。
上述实施例，通过UE和基站之间的交互，使得基站可以在UE随机接入完成后，通过接收最佳波束测量报告，并根据最佳波束测量报告中携带的最佳波束索引调整波束，从而获得准确的最佳波束，进而实现通过最佳波束传输信令或数据，以提高传输效率。
图5是根据一示例性实施例示出的一种最佳波束上报装置的框图，该装置可以位于UE中，如图5所示，该最佳波束上报装置包括：发送模块51和等待接收模块52。
发送模块51被配置为在测量的最佳波束上向基站发送第三消息MSG3。
UE在随机接入过程中，可以在之前测量的最佳波束上向基站发送MSG3，基站可以选择更换波束返回第四消息(MSG4)，也可以选择不更换波束返回MSG4。
等待接收模块52被配置为在发送模块51在测量的最佳波束上向基站发送第三消息MSG3之后，在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的第四消息MSG4。
由于UE不知道基站是否更换波束返回MSG4，因此，UE在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的MSG4。
上述实施例，通过在测量的最佳波束上向基站发送MSG3，实现了在随机接入过程中隐含上报最佳波束，且不需要多定义用于表示波束信息的比特，节省了资源。
图6是根据一示例性实施例示出的另一种最佳波束上报装置的框图，如图6所示，在上述图5所示实施例的基础上，该装置还可以包括：确定传输模块53和确定收发模块54。
确定传输模块53被配置为在等待接收模块52在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的第四消息MSG4之后，若在最佳波束上接收到MSG4，则在最佳波束上传输信令或数据。
确定收发模块54被配置为在等待接收模块52在最佳波束上和原用于发送MSG3的初始波束上同时等待接收基站返回的第四消息MSG4之后，若在初始波束上接收到MSG4，则接收基站发送的最佳波束测量请求，并根据最佳波束测量请求向基站发送最佳波束测量报告，以用于基站根据最佳波束测量报告返回调整后的最佳波束索引。
由于UE在随机接入过程中上报的最佳波束可能不准确，因此，可以在随机接入完成后，可以通过接收基站发送的最佳波束测量请求，并根据该最佳波束测量请求向基站返回最佳波束测量报告，使得基站可以根据最佳波束测量报告中携带的最佳波束索引调整波束，从而获得准确的最佳波束。
上述实施例，通过在最佳波束上接收到MSG4，则确认基站已按照UE上报的最佳波束进行了波束调整，从而可以在最佳波束上传输信令或数据；通过在初始波束上接收到MSG4，则确认基站未按照UE上报的最佳波束进行波束调整，可以通过接收基站发送的最佳波束测量请求，并根据最佳波束测量请求向基站发送最佳波束测量报告，使得基站根据最佳波束测量报告返回调整后的最佳波束索引，从而获得更准确的最佳波束。
图7是根据一示例性实施例示出的另一种最佳波束上报装置的框图，如图7所示，在上述图6所示实施例的基础上，该装置还可以包括：接收模块55。
接收模块55，被配置为在确定收发模块54向基站发送最佳波束测量报告之后，若当前UE保持在连接态，则接收基站在调整后的最佳波束上发送的信令或数据。
上述实施例，在当前UE保持在连接态时，可以接收基站在调整后的最佳波束上发送的信令或数据，由于调整后的最佳波束更准确，因此，接收基站在调整后的最佳波束上发送的信令或数据，传输效率更高。
图8是根据一示例性实施例示出的一种最佳波束确定装置的框图，该装置可以位于基站中，如图8所示，该最佳波束确定装置包括：接收模块81和返回模块82。
接收模块81被配置为接收用户设备UE在最佳波束上发送的第三消息MSG3。
为了节省资源，UE直接在之前测量的最佳波束上发送的MSG3。
返回模块82被配置为在接收模块81接收MSG3之后，在最佳波束上向UE返回第四消息MSG4，或者在原用于发送MSG3的初始波束上向UE返回第四消息MSG4。
基站在接收到UE在最佳波束上发送的MSG3之后，可以在最佳波束上向UE返回MSG4，也可以在原用于发送MSG3的初始波束上向UE返回MSG4。
若基站在最佳波束上向UE返回MSG4，则表明基站已按照UE上报的最佳波束进行了波束调整，若基站在原用于发送MSG3的初始波束上向UE返回MSG4，则表明基站未按照UE上报的最佳波束进行波束调整。
上述实施例，通过接收UE在最佳波束上发送的MSG3，使得基站可以获知UE测量的最佳波束，且实现过程中不需要多定义用于表示波束信息的比特，节省了资源。
图9是根据一示例性实施例示出的另一种最佳波束确定装置的框图，如图9所示，在上述图8所示实施例的基础上，该装置还可以包括：请求发送模块83、报告接收模块84和调整发送模块85。
请求发送模块83被配置为在返回模块82在原用于发送MSG3的初始波束上向UE返回第四消息MSG4之后，向UE发送最佳波束测量请求。
报告接收模块84被配置为接收UE根据请求发送模块83发送的最佳波束测量请求发送的最佳波束测量报告。
调整发送模块85被配置为根据报告接收模块84接收的最佳波束测量报告中携带的最佳波束索引调整波束，并向UE发送调整后的最佳波束索引。
由于UE在随机接入过程中上报的最佳波束可能不准确，因此，可以在随机接入完成后，可以通过接收基站发送的最佳波束测量请求，并根据该最佳波束测量请求向基站返回最佳波束测量报告，使得基站可以根据最佳波束测量报告中携带的最佳波束索引调整波束，从而获得准确的最佳波束。
上述实施例，通过在原用于发送MSG3的初始波束上向UE返回第四消息MSG4之后，向UE发送最佳波束测量请求，并接收UE根据请求发送模块发送的最佳波束测量请求 发送的最佳波束测量报告，然后根据报告接收模块接收的最佳波束测量报告中携带的最佳波束索引调整波束，并向UE发送调整后的最佳波束索引，从而获得更准确的最佳波束。
图10是根据一示例性实施例示出的另一种最佳波束确定装置的框图，如图10所示，在上述图9所示实施例的基础上，该装置还可以包括：第一传输模块86。
第一传输模块86被配置为在调整发送模块85向UE发送调整后的最佳波束索引之后，在调整后的最佳波束上传输信令或数据。
上述实施例，由于调整后的最佳波束更准确，因此通过在调整后的最佳波束上传输信令或数据，传输效率更高。
图11是根据一示例性实施例示出的另一种最佳波束确定装置的框图，如图11所示，在上述图8所示实施例的基础上，该装置还可以包括：第二传输模块87。
第二传输模块87被配置为在返回模块82在最佳波束上向UE返回第四消息MSG4之后，在最佳波束上传输信令或数据。
上述实施例，通过最佳波束上传输信令或数据，传输效率更高。
图12是根据一示例性实施例示出的一种适用于最佳波束上报装置的框图。例如，装置1200可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等用户设备。
参照图12，装置1200可以包括以下一个或多个组件：处理组件1202，存储器1204，电源组件1206，多媒体组件1208，音频组件1210，输入/输出(I/O)的接口1212，传感器组件1214，以及通信组件1216。
处理组件1202通常控制装置1200的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件1202可以包括一个或多个处理器1220来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件1202可以包括一个或多个模块，便于处理组件1202和其他组件之间的交互。例如，处理部件1202可以包括多媒体模块，以方便多媒体组件1208和处理组件1202之间的交互。
存储器1204被配置为存储各种类型的数据以支持在设备1200的操作。这些数据的示例包括用于在装置1200上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器1204可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可 擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件1206为装置1200的各种组件提供电力。电源组件1206可以包括电源管理系统，一个或多个电源，及其他与为装置1200生成、管理和分配电力相关联的组件。
多媒体组件1208包括在装置1200和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件1208包括一个前置摄像头和/或后置摄像头。当设备1200处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1210被配置为输出和/或输入音频信号。例如，音频组件1210包括一个麦克风(MIC)，当装置1200处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1204或经由通信组件1216发送。在一些实施例中，音频组件1210还包括一个扬声器，用于输出音频信号。
I/O接口1212为处理组件1202和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件1214包括一个或多个传感器，用于为装置1200提供各个方面的状态评估。例如，传感器组件1214可以检测到设备1200的打开/关闭状态，组件的相对定位，例如组件为装置1200的显示器和小键盘，传感器组件1214还可以检测装置1200或装置1200一个组件的位置改变，用户与装置1200接触的存在或不存在，装置1200方位或加速/减速和装置1200的温度变化。传感器组件1214可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1214还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件1214还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件1216被配置为便于装置1200和其他设备之间有线或无线方式的通信。装置1200可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性 实施例中，通信部件1216经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信部件1216还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置1200可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，处理组件1202中的其中一个处理器可以被配置为：
在测量的最佳波束上向基站发送第三消息MSG3；
在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器1204，上述指令可由装置1200的处理器1220执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图13是根据一示例性实施例示出的另一种适用于最佳波束确定装置的框图。装置1300可以被提供为一基站。参照图13，装置1300包括处理组件1322、无线发射/接收组件1324、天线组件1326、以及无线接口特有的信号处理部分，处理组件1322可进一步包括一个或多个处理器。
处理组件1322中的其中一个处理器可以被配置为：
接收用户设备UE在最佳波束上发送的第三消息MSG3；
在最佳波束上向UE返回第四消息MSG4，或者在原用于发送MSG3的初始波束上向UE返回第四消息MSG4。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，上述指令可由装置1300的处理组件1322执行以完成上述最佳波束确定方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例 的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本领域技术人员在考虑说明书及实践这里公开的公开后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (18)

  1. 一种最佳波束上报方法，其特征在于，应用于用户设备UE，所述方法包括：
    在测量的最佳波束上向基站发送第三消息MSG3；
    在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
  2. 根据权利要求1所述的方法，其特征在于，在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4之后，所述方法还包括：
    若在所述最佳波束上接收到所述MSG4，则在所述最佳波束上传输信令或数据；
    若在所述初始波束上接收到所述MSG4，则接收所述基站发送的最佳波束测量请求，并根据所述最佳波束测量请求向所述基站发送最佳波束测量报告，以用于所述基站根据所述最佳波束测量报告返回调整后的最佳波束索引。
  3. 根据权利要求2所述的方法，其特征在于，所述方法还包括：
    在所述向所述基站发送最佳波束测量报告之后，若当前UE保持在连接态，则接收所述基站在调整后的最佳波束上发送的信令或数据。
  4. 一种最佳波束确定方法，其特征在于，应用于基站，所述方法包括：
    接收用户设备UE在最佳波束上发送的第三消息MSG3；
    在所述最佳波束上向所述UE返回第四消息MSG4，或者在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4。
  5. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    在所述在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4之后，向所述UE发送最佳波束测量请求；
    接收所述UE根据所述最佳波束测量请求发送的最佳波束测量报告；
    根据所述最佳波束测量报告中携带的最佳波束索引调整波束，并向所述UE发送调整后的最佳波束索引。
  6. 根据权利要求5所述的方法，其特征在于，所述方法还包括：
    在所述向所述UE发送调整后的最佳波束索引之后，在调整后的最佳波束上传输信令或数据。
  7. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    在所述最佳波束上向所述UE返回第四消息MSG4之后，在所述最佳波束上传输信令或数据。
  8. 一种最佳波束上报装置，其特征在于，应用于用户设备UE，所述装置包括：
    发送模块，被配置为在测量的最佳波束上向基站发送第三消息MSG3；
    等待接收模块，被配置为在所述发送模块在测量的最佳波束上向基站发送第三消息MSG3之后，在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
  9. 根据权利要求8所述的装置，其特征在于，所述装置还包括：
    确定传输模块，被配置为在所述等待接收模块在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4之后，若在所述最佳波束上接收到所述MSG4，则在所述最佳波束上传输信令或数据；
    确定收发模块，被配置为在所述等待接收模块在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4之后，若在所述初始波束上接收到所述MSG4，则接收所述基站发送的最佳波束测量请求，并根据所述最佳波束测量请求向所述基站发送最佳波束测量报告，以用于所述基站根据所述最佳波束测量报告返回调整后的最佳波束索引。
  10. 根据权利要求9所述的装置，其特征在于，所述装置还包括：
    接收模块，被配置为在所述确定发送接收模块向所述基站发送最佳波束测量报告之后，若当前UE保持在连接态，则接收所述基站在调整后的最佳波束上发送的信令或数据。
  11. 一种最佳波束确定装置，其特征在于，应用于基站，所述装置包括：
    接收模块，被配置为接收用户设备UE在最佳波束上发送的第三消息MSG3；
    返回模块，被配置为在所述接收模块接收所述MSG3之后，在所述最佳波束上向所述UE返回第四消息MSG4，或者在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4。
  12. 根据权利要求11所述的装置，其特征在于，所述装置还包括：
    请求发送模块，被配置为在所述返回模块在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4之后，向所述UE发送最佳波束测量请求；
    报告接收模块，被配置为接收所述UE根据所述请求发送模块发送的所述最佳波束测量请求发送的最佳波束测量报告；
    调整发送模块，被配置为根据所述报告接收模块接收的所述最佳波束测量报告中携带的最佳波束索引调整波束，并向所述UE发送调整后的最佳波束索引。
  13. 根据权利要求12所述的装置，其特征在于，所述装置还包括：
    第一传输模块，被配置为在所述调整发送模块向所述UE发送调整后的最佳波束索引之后，在调整后的最佳波束上传输信令或数据。
  14. 根据权利要求11所述的装置，其特征在于，所述装置还包括：
    第二传输模块，被配置为在所述返回模块在所述最佳波束上向所述UE返回第四消息MSG4之后，在所述最佳波束上传输信令或数据。
  15. 一种用户设备，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    在测量的最佳波束上向基站发送第三消息MSG3；
    在所述最佳波束上和原用于发送所述MSG3的初始波束上同时等待接收所述基站返回的第四消息MSG4。
  16. 一种基站，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    接收用户设备UE在最佳波束上发送的第三消息MSG3；
    在所述最佳波束上向所述UE返回第四消息MSG4，或者在原用于发送所述MSG3的初始波束上向所述UE返回第四消息MSG4。
  17. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现权利要求1所述的最佳波束上报方法的步骤。
  18. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现权利要求4所述的最佳波束确定方法的步骤。
PCT/CN2017/099563 2017-08-30 2017-08-30 最佳波束上报和确定方法及装置、用户设备、基站 WO2019041151A1 (zh)

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