WO2019178731A1 - 数据传输方法及装置 - Google Patents

数据传输方法及装置 Download PDF

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Publication number
WO2019178731A1
WO2019178731A1 PCT/CN2018/079524 CN2018079524W WO2019178731A1 WO 2019178731 A1 WO2019178731 A1 WO 2019178731A1 CN 2018079524 W CN2018079524 W CN 2018079524W WO 2019178731 A1 WO2019178731 A1 WO 2019178731A1
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WO
WIPO (PCT)
Prior art keywords
serving cell
terminal
data transmission
beam failure
serving
Prior art date
Application number
PCT/CN2018/079524
Other languages
English (en)
French (fr)
Inventor
尤心
石聪
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880067823.2A priority Critical patent/CN111247824A/zh
Priority to JP2020550065A priority patent/JP2021520697A/ja
Priority to KR1020207026948A priority patent/KR20200134236A/ko
Priority to PCT/CN2018/079524 priority patent/WO2019178731A1/zh
Priority to AU2018414599A priority patent/AU2018414599A1/en
Priority to EP18910442.5A priority patent/EP3761694B1/en
Priority to CN202010463063.6A priority patent/CN111698696B/zh
Priority to TW108109422A priority patent/TW201941638A/zh
Publication of WO2019178731A1 publication Critical patent/WO2019178731A1/zh
Priority to US17/025,174 priority patent/US11540284B2/en

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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
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/17—Detection of non-compliance or faulty performance, e.g. response deviations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/18—Monitoring during normal operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • 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
    • 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
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
    • H04L41/0661—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities by reconfiguring faulty entities
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0085—Timing of allocation when channel conditions change
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/28—Timers or timing mechanisms used in protocols
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/06—Reselecting a communication resource in the serving access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H04W36/00692—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements
    • 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 invention relates to data transmission technologies, and in particular, to a data transmission method and apparatus.
  • a terminal can communicate with a network device through a plurality of serving cells.
  • the one of the plurality of serving cells is a primary cell (Primary Cell, PCell), and the other serving cell is a secondary cell (SCell), and the terminal can send an uplink signal to the network device through different serving cells.
  • PCell Primary Cell
  • SCell secondary cell
  • the terminal may have a beam failure of the serving cell, that is, the primary cell or the secondary cell. Therefore, it is not necessary to provide a data transmission method, which is used to implement a beam failure of the serving cell in the terminal in the CA scenario. Reliable data transfer.
  • aspects of the present invention provide a data transmission method and apparatus for implementing reliable data transmission when a terminal fails to generate a beam of a serving cell in a CA scenario.
  • An aspect of the present invention provides a data transmission method, including:
  • the terminal detects a data transmission situation of each of the at least two serving cells, where the at least two serving cells include one primary cell and at least one secondary cell;
  • the terminal performs random access on the serving cell where the beam failure occurs according to the data transmission situation of each serving cell to update the service beam of the serving cell.
  • a data transmission apparatus comprising:
  • a transmission detecting unit configured to detect a data transmission situation of each of the at least two serving cells, where the at least two serving cells include one primary cell and at least one secondary cell;
  • a random access unit configured to perform random access on the serving cell where the beam failure occurs to update the service beam of the serving cell according to the data transmission situation of each serving cell.
  • the embodiment of the present invention detects a data transmission situation of each of the at least two serving cells by using the terminal, so that the terminal can generate a beam failure according to the data transmission situation of each serving cell.
  • the serving cell random access is performed to update the service beam of the serving cell, so that when the terminal fails to generate a beam of the serving cell in the CA scenario, reliable data transmission is realized, and the reliability of data transmission can be effectively ensured.
  • FIG. 1 is a schematic flowchart of a data transmission method according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a data transmission apparatus according to another embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a data transmission method according to an embodiment of the present invention, as shown in FIG. 1 .
  • the terminal detects a data transmission situation of each of the at least two serving cells.
  • the at least two serving cells include one primary cell and one or multiple secondary cells.
  • the division of the primary cell and the secondary cell may be related to the related art in the prior art, and details are not described herein again.
  • the terminal performs random access on a serving cell where a beam failure occurs according to the data transmission situation of each serving cell to update a service beam of the serving cell.
  • the main idea of the present invention is that the terminal separately configures and maintains a timer and a counter for each of the multiple serving cells, wherein the primary cell and the at least one secondary cell are included in each serving cell.
  • the data transmission status of each serving cell is detected within the running time of the configured timer. If a cell fails in a serving cell, the terminal may perform random access on the serving cell to update the serving beam of the serving cell to ensure data transmission quality of the serving cell.
  • the terminal may specifically maintain a timer and a counter configured by each serving cell, where Within the running time of the configured timer, the number of times the beam failure occurs in each serving cell is counted.
  • the terminal may configure respective timers and counters for each of the serving cells.
  • the counter configured by each serving cell may record the number of beam failures of the serving cell within the running time of the timer configured by the serving cell.
  • the terminal When a first beam failure occurs in a serving cell, the terminal starts a timer configured by the serving cell, and increases a count value of a counter configured by the serving cell from 0 by one counting unit to start counting, for example, The count value increases by 1 and becomes 1.
  • the terminal may increase the count value of the counter configured by the serving cell by one counting unit, for example, the count value, within a running time of the timer configured by the serving cell. Increase by 1.
  • the terminal may reset the counter configured by the serving cell to zero, so that the terminal continues to count the number of times the serving cell fails to generate a beam.
  • the terminal re-opens the timer configured by the serving cell, and increases the counter value of the counter configured by the serving cell from 0 to 1 counting unit, and starts counting. For example, the count value increases by 1, becoming 1.
  • the running time of the timers configured in each of the serving cells may be the same, or may not be the same, which is not limited in this embodiment.
  • the terminal may perform random access on the serving cell to update the service beam of the serving cell.
  • the terminal may specifically determine the counter value of the counter configured by each serving cell to determine whether it reaches a pre-configured number threshold.
  • the terminal may perform random access on the serving cell to update The serving beam of the serving cell.
  • the number of thresholds can be configured by the network device.
  • the terminal may specifically receive a threshold value of the number of times that the network device sends the downlink control information (Downlink Control Information, DCI), the high layer signaling, or the system broadcast message.
  • DCI Downlink Control Information
  • the high-level signaling may be a radio resource control (RRC) message
  • the threshold may be carried by an information element (IE) in an RRC message, where the RRC message may be existing.
  • IE information element
  • the message may also be different from the RRC messages already available in the prior art.
  • the high-level signaling may be a Media Access Control (MAC) Control Element (CE) message
  • the threshold may be carried by adding a new MAC CE message.
  • MAC Media Access Control
  • CE Control Element
  • the number of the thresholds may be carried by the existing Master Information Block (MIB) or the System Information Block (SIB) in the system broadcast message, or a new SIB port may be added.
  • MIB Master Information Block
  • SIB System Information Block
  • the threshold of the number of times can also be agreed by the protocol.
  • the terminal may specifically adopt a Media Access Control (MAC) layer of the terminal, and separately maintain a timer and a counter configured by each serving cell.
  • MAC Media Access Control
  • the MAC layer of the terminal may specifically maintain a timer and a counter configured by each serving cell. If the MAC layer of the terminal receives the first beam failure event of a serving cell reported by the physical layer of the terminal, the MAC layer of the terminal may start a timer configured by the serving cell, and The count value of the counter configured by the serving cell is incremented by one increment by one unit, and counting starts. For example, the count value is incremented by 1, and becomes 1. Within the running time of the timer configured by the serving cell, the MAC layer of the terminal fails to receive a beam of the serving cell reported by the physical layer of the terminal every time the beam fails. The event, the MAC layer of the terminal may increase the counter value of the counter by one count unit, for example, the count value is increased by one.
  • the beam failure event is reported by the physical layer of the terminal that the serving cell fails to report a beam failure.
  • the physical layer of the terminal may report a beam failure event of the serving cell to the MAC layer of the terminal.
  • BLER block error rate
  • the MAC layer of the terminal may reset the counter configured by the serving cell to zero, so that the MAC layer of the terminal continues to count the number of times the serving cell fails to generate a beam.
  • the MAC layer of the terminal re-opens the timer configured by the serving cell, and increases the counter value of the counter configured by the serving cell from 0 to 1 count unit. Start counting, for example, the count value increases by 1, becoming 1.
  • the MAC of the terminal is The layer may trigger the terminal to perform random access on the serving cell to update the service beam of the serving cell.
  • the terminal may stop the timer configured by the serving cell where the beam failure occurs, and the terminal will occur.
  • the counter configured by the serving cell of the failed beam is reset to zero for the terminal to continue to detect the data transmission of the serving cell.
  • the terminal detects a data transmission situation of each of the at least two serving cells, so that the terminal can perform, according to the data transmission situation of each serving cell, on the serving cell where the beam failure occurs. Random access to update the service beam of the serving cell, so that when the terminal fails to generate a beam of the serving cell in the CA scenario, reliable data transmission is realized, and the reliability of data transmission can be effectively ensured.
  • FIG. 2 is a schematic structural diagram of a data transmission apparatus according to another embodiment of the present invention, as shown in FIG. 2 .
  • the data transmission apparatus of this embodiment may include a transmission detecting unit 21 and a random access unit 22.
  • the transmission detecting unit 21 is configured to detect a data transmission situation of each of the at least two serving cells, where the at least two serving cells include one primary cell and at least one secondary cell, and the random access unit 22, And performing random access on the serving cell where the beam failure occurs to update the service beam of the serving cell according to the data transmission situation of each serving cell.
  • the data transmission device provided in this embodiment may be a terminal.
  • the transmission detecting unit 21 may be specifically configured to maintain a timer and a counter configured by each serving cell, for each service The number of times the beam failure occurs in each serving cell is counted within the running time of the timer configured by the cell.
  • the running time of the timers configured in each of the serving cells may be the same, or may not be the same, which is not limited in this embodiment.
  • the random access unit 22 may be specifically configured to: if the number of beam failures of the serving cell reaches a pre-configured number of times within a running time of a timer configured in a serving cell Threshold, on the serving cell, performing random access to update the serving beam of the serving cell.
  • the threshold of the number of times may be configured by the network device, or may be agreed by a protocol, which is not specifically limited in this embodiment.
  • the transmission detecting unit 21 may specifically be a MAC layer of the terminal, and respectively maintain a timer and a counter configured by each serving cell. Specifically, it may be used to maintain a timer and a counter configured by each serving cell; and receive a beam failure event of a serving cell reported by the physical layer of the terminal, where the beam failure event is the physical of the terminal The layer detects that the serving cell has reported beam failure reporting; and increases the counter value of the counter by one count unit.
  • the transmission detecting unit 21 may be further configured to: if the random access succeeds, stop the timer configured by the serving cell where the beam failure occurs, And resetting the counter configured by the serving cell where the beam failure occurs.
  • the method performed by the terminal in the embodiment corresponding to FIG. 1 can be implemented by the data transmission apparatus provided in this embodiment.
  • the data transmission apparatus provided in this embodiment.
  • the data transmission situation of each of the at least two serving cells is detected by the transmission detecting unit, so that the random access unit can perform the beam failure in the serving cell according to the data transmission situation of each serving cell.
  • the random access is performed to update the service beam of the serving cell, so that when the terminal fails to generate a beam of the serving cell in the CA scenario, reliable data transmission is realized, and the reliability of data transmission can be effectively ensured.
  • the disclosed system, 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.
  • multiple units or components may be combined. Or it 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 the 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 each embodiment of the present invention 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 above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

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

Abstract

本发明提供一种数据传输方法及装置。本发明实施例通过终端检测至少两个服务小区中每个服务小区的数据传输情况，使得所述终端能够根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束，从而在CA场景下终端发生服务小区的波束失败时，实现了可靠的数据传输，能够有效保证数据传输的可靠性。

Description

数据传输方法及装置 技术领域
本发明涉及数据传输技术，尤其涉及一种数据传输方法及装置。
背景技术
在具有载波聚合(Carrier Aggregation，CA)特性的无线通信系统中，终端可以通过多个服务小区(Serving Cell)与网络设备进行通信。其中，上述多个服务小区中，一个服务小区是主小区(Primary Cell，PCell)，其他服务小区是辅小区(Secondary Cell，SCell)，终端可以通过不同的服务小区发送上行信号到网络设备。
在实际应用过程中，终端可能会出现服务小区即主小区或者辅小区的波束失败情况，因此，亟需提供一种数据传输方法，用以在CA场景下终端发生服务小区的波束失败时，实现可靠的数据传输。
发明内容
本发明的多个方面提供一种数据传输方法及装置，用以在CA场景下终端发生服务小区的波束失败时，实现可靠的数据传输。
本发明的一方面，提供一种数据传输方法，包括：
终端检测至少两个服务小区中每个服务小区的数据传输情况，其中，所述至少两个服务小区包括一个主小区和至少一个辅小区；
所述终端根据所述每个服务小区的数据传输情况，在发生波束失败的 服务小区上，执行随机接入，以更新所述服务小区的服务波束。
本发明的另一方面，提供一种数据传输装置，包括：
传输检测单元，用于检测至少两个服务小区中每个服务小区的数据传输情况，其中，所述至少两个服务小区包括一个主小区和至少一个辅小区；
随机接入单元，用于根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束。
由上述技术方案可知，本发明实施例通过终端检测至少两个服务小区中每个服务小区的数据传输情况，使得所述终端能够根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束，从而在CA场景下终端发生服务小区的波束失败时，实现了可靠的数据传输，能够有效保证数据传输的可靠性。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一实施例提供的数据传输方法的流程示意图；
图2为本发明另一实施例提供的数据传输装置的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的全部其他实施例，都属于本发明保护的范围。
本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图1为本发明一实施例提供的数据传输方法的流程示意图，如图1所示。
101、终端检测至少两个服务小区中每个服务小区的数据传输情况。
其中，所述至少两个服务小区包括一个主小区和一个或者多个辅小区。具体地，主小区和辅小区的划分，具体可以采用现有技术中相关技术，此处不再赘述。
102、所述终端根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束。
本发明的主要思想是终端分别为其多个服务小区各自配置并维护一个定时器(timer)和一个计数器(counter)，其中，包括一个主小区和至少一个辅小区，用以在每个服务小区所配置的定时器的运行时间之内，检测每个服务小区的数据传输情况。若某个服务小区发生波束失败，所述终端则可以在该服务小区上，执行随机接入，以更新所述服务小区的服务波束，以保证该服务小区的数据传输质量。
可选地，在本实施例的一个可能的实现方式中，在101中，所述终端具体可以维护所述每个服务小区所配置的定时器和计数器，用以在所述每个服务小区所配置的定时器的运行时间之内，统计所述每个服务小区发生波束失败的次数。
在该实现方式中，终端可以为所述每个服务小区配置各自的定时器和计数器。每个服务小区所配置的计数器可以在该服务小区所配置的定时器的运行时间之内，记录该服务小区发生波束失败的次数。
在一个服务小区发生第一次波束失败时，所述终端开启该服务小区所配置的定时器，以及将该服务小区所配置的计数器的计数值从0增加1个计数单位，开始计数，例如，计数值增加1，变为1。在该服务小区所配置的定时器的运行时间之内，该服务小区每发生一次波束失败，所述终端则可以将该服务小区所配置的计数器的计数值增加1个计数单位，例如，计数值增加1。
若该服务小区所配置的定时器超时，所述终端则可以将该服务小区所配置的计数器归零，以供所述终端继续统计该服务小区发生波束失败的次数。在该服务小区发生下一次新的波束失败时，所述终端重新开启该服务小区所配置的定时器，以及将该服务小区所配置的计数器的计数值从0增加1个计数单位，开始计数，例如，计数值增加1，变为1。
在一个具体的实现过程中，所述每个服务小区所配置的定时器的运行时间可以相同，或者还可以不相同，本实施例对此不进行限定。
在另一个具体的实现过程中，在102中，若在一个服务小区所配置的定时器的运行时间之内，该服务小区发生波束失败的次数达到预先配置的次数阈值，说明该服务小区发生波束失败，所述终端则可以在该服务小区 上，执行随机接入，以更新所述服务小区的服务波束。
在该实现过程中，所述终端具体可以对每个服务小区所配置的计数器的计数值进行判断，判断其是否达到预先配置的次数阈值。
若所述终端判断一个服务小区所配置的计数器的计数值达到预先配置的次数阈值，说明能够确认该服务小区发生波束失败，所述终端则可以在该服务小区上，执行随机接入，以更新所述服务小区的服务波束。
在该实现过程中，所述次数阈值可以由网络设备配置。
具体来说，终端具体可以接收网络设备通过下行控制信息(Downlink Control Information，DCI)、高层信令或系统广播消息，所发送的次数阈值。
例如，所述高层信令可以是无线资源控制(Radio Resource Control，RRC)消息，具体可以通过RRC消息中的信息元素(Information Element，IE)携带所述次数阈值，所述RRC消息可以为现有技术中的RRC消息，例如，RRC连接重配置(RRC CONNECTION RECONFIGURATION)消息等，本实施例对此不进行限定，通过对已有的RRC消息的IE进行扩展携带所述次数阈值，或者所述RRC消息也可以为不同于现有技术中已有的RRC消息。
或者，再例如，所述高层信令可以是媒体访问控制(Media Access Control，MAC)控制元素(Control Element，CE)消息，具体还可以通过增加新的MAC CE消息携带所述次数阈值。
或者，再例如，具体可以采用所述系统广播消息中现有的主信息块(Master Information Block，MIB)或(System Information Block，SIB)携带所述次数阈值，或者还可以增加新的SIB携带所述次数阈值。
可以理解的是，所述次数阈值还可以由协议约定。
在另一个具体的实现过程中，终端具体可以采用该终端的媒体访问控制(Media Access Control，MAC)层，分别维护每个服务小区所配置的定时器和计数器。
在该实现过程的具体实现中，所述终端的MAC层具体可以维护所述每个服务小区所配置的定时器和计数器。若所述终端的MAC层接收到所述终端的物理层所上报的一个服务小区的第一个波束失败事件，所述终端的MAC层则可以开启该服务小区所配置的定时器，以及将该服务小区所配置的计数器的计数值从0增加1个计数单位，开始计数，例如，计数值增加1，变为1。在该服务小区所配置的定时器的运行时间之内，该服务小区每发生一次波束失败，所述终端的MAC层就会接收到所述终端的物理层所上报的该服务小区的一个波束失败事件，所述终端的MAC层则可以将所述计数器的计数值增加1个计数单位，例如，计数值增加1。其中，所述波束失败事件为所述终端的物理层检测到该服务小区发生波束失败上报的。
例如，若所述终端的物理层检测到该服务小区的误块率(Block Error Rate，BLER)大于或等于预先设置的传输阈值，说明该服务小区的数据传输性能严重下降，此时，所述终端的物理层则可以向所述终端的MAC层上报该服务小区的一个波束失败事件。
若该服务小区所配置的定时器超时，所述终端的MAC层则可以将该服务小区所配置的计数器归零，以供所述终端的MAC层继续统计该服务小区发生波束失败的次数。在该服务小区发生下一次新的波束失败时，所述终端的MAC层重新开启该服务小区所配置的定时器，以及将该服务小区所配置的计数器的计数值从0增加1个计数单位，开始计数，例如，计数值增 加1，变为1。
若在该服务小区所配置的定时器的运行时间之内，该服务小区所配置的计数器的计数值达到预先配置的次数阈值，说明能够确认该服务小区发生波束失败，那么，所述终端的MAC层则可以触发该终端在该服务小区上，执行随机接入，以更新所述服务小区的服务波束。
可选地，在本实施例的一个可能的实现方式中，在102之后，若所述随机接入成功，所述终端则可以将发生波束失败的服务小区所配置的定时器停止，以及将发生波束失败的服务小区所配置的计数器归零，以供所述终端继续检测该服务小区的数据传输情况。
本实施例中，通过终端检测至少两个服务小区中每个服务小区的数据传输情况，使得所述终端能够根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束，从而在CA场景下终端发生服务小区的波束失败时，实现了可靠的数据传输，能够有效保证数据传输的可靠性。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
图2为本发明另一实施例提供的数据传输装置的结构示意图，如图2所示。本实施例的数据传输装置可以包括传输检测单元21和随机接入单元 22。其中，传输检测单元21，用于检测至少两个服务小区中每个服务小区的数据传输情况，其中，所述至少两个服务小区包括一个主小区和至少一个辅小区；随机接入单元22，用于根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束。
需要说明的是，本实施例所提供的数据传输装置，可以为终端。
可选地，在本实施例的一个可能的实现方式中，所述传输检测单元21，具体可以用于维护所述每个服务小区所配置的定时器和计数器，用以在所述每个服务小区所配置的定时器的运行时间之内，统计所述每个服务小区发生波束失败的次数。
在一个具体的实现过程中，所述每个服务小区所配置的定时器的运行时间可以相同，或者还可以不相同，本实施例对此不进行限定。
在另一个具体的实现过程中，所述随机接入单元22，具体可以用于若在一个服务小区所配置的定时器的运行时间之内，该服务小区发生波束失败的次数达到预先配置的次数阈值，在该服务小区上，执行随机接入，以更新所述服务小区的服务波束。
在该实现过程中，所述次数阈值可以由网络设备配置，或者还可以由协议约定，本实施例对此不进行特别限定。
在另一个具体的实现过程中，所述传输检测单元21，具体可以为终端的MAC层，分别维护每个服务小区所配置的定时器和计数器。其具体可以用于维护所述每个服务小区所配置的定时器和计数器；接收到终端的物理层所上报的一个服务小区的波束失败事件，其中，所述波束失败事件为所述终端的物理层检测到该服务小区发生波束失败上报的；以及将所述计数 器的计数值增加1个计数单位。
可选地，在本实施例的一个可能的实现方式中，所述传输检测单元21，还可以进一步用于若所述随机接入成功，将发生波束失败的服务小区所配置的定时器停止，以及将发生波束失败的服务小区所配置的计数器归零。
需要说明的是，图1对应的实施例中终端执行的方法，可以由本实施例提供的数据传输装置实现。详细描述可以参见图1对应的实施例中的相关内容，此处不再赘述。
本实施例中，通过传输检测单元检测至少两个服务小区中每个服务小区的数据传输情况，使得随机接入单元能够根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束，从而在CA场景下终端发生服务小区的波束失败时，实现了可靠的数据传输，能够有效保证数据传输的可靠性。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本发明所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如，多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述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单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (14)

  1. 一种数据传输方法，其特征在于，包括：
    终端检测至少两个服务小区中每个服务小区的数据传输情况，其中，所述至少两个服务小区包括一个主小区和至少一个辅小区；
    所述终端根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束。
  2. 根据权利要求1所述的方法，其特征在于，所述终端检测至少两个服务小区中每个服务小区的数据传输情况，包括：
    所述终端维护所述每个服务小区所配置的定时器和计数器，用以在所述每个服务小区所配置的定时器的运行时间之内，统计所述每个服务小区发生波束失败的次数。
  3. 根据权利要求2所述的方法，其特征在于，所述每个服务小区所配置的定时器的运行时间相同或者不相同。
  4. 根据权利要求2所述的方法，其特征在于，所述终端根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束，包括：
    若在一个服务小区所配置的定时器的运行时间之内，该服务小区发生波束失败的次数达到预先配置的次数阈值，所述终端在该服务小区上，执行随机接入，以更新所述服务小区的服务波束。
  5. 根据权利要求4所述的方法，其特征在于，所述次数阈值由网络设备配置或者由协议约定。
  6. 根据权利要求2所述的方法，其特征在于，所述终端维护所述每个服务小区所配置的定时器和计数器，用以在所述每个服务小区所配置的定 时器的运行时间之内，统计所述每个服务小区发生波束失败的次数，包括：
    所述终端的MAC层维护所述每个服务小区所配置的定时器和计数器；
    所述终端的MAC层接收到所述终端的物理层所上报的一个服务小区的波束失败事件，其中，所述波束失败事件为所述终端的物理层检测到该服务小区发生波束失败上报的；
    所述终端的MAC层将所述计数器的计数值增加1个计数单位。
  7. 根据权利要求2～6任一权利要求所述的方法，其特征在于，所述终端根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入之后，还包括：
    若所述随机接入成功，所述终端将发生波束失败的服务小区所配置的定时器停止，以及将发生波束失败的服务小区所配置的计数器归零。
  8. 一种数据传输装置，其特征在于，包括：
    传输检测单元，用于检测至少两个服务小区中每个服务小区的数据传输情况，其中，所述至少两个服务小区包括一个主小区和至少一个辅小区；
    随机接入单元，用于根据所述每个服务小区的数据传输情况，在发生波束失败的服务小区上，执行随机接入，以更新所述服务小区的服务波束。
  9. 根据权利要求8所述的装置，其特征在于，所述传输检测单元，具体用于
    维护所述每个服务小区所配置的定时器和计数器，用以在所述每个服务小区所配置的定时器的运行时间之内，统计所述每个服务小区发生波束失败的次数。
  10. 根据权利要求9所述的装置，其特征在于，所述每个服务小区所配置的定时器的运行时间相同或者不相同。
  11. 根据权利要求9所述的装置，其特征在于，所述随机接入单元，具体用于
    若在一个服务小区所配置的定时器的运行时间之内，该服务小区发生波束失败的次数达到预先配置的次数阈值，在该服务小区上，执行随机接入，以更新所述服务小区的服务波束。
  12. 根据权利要求11所述的装置，其特征在于，所述次数阈值由网络设备配置或者由协议约定。
  13. 根据权利要求9所述的装置，其特征在于，所述传输检测单元，具体用于
    维护所述每个服务小区所配置的定时器和计数器；
    接收到终端的物理层所上报的一个服务小区的波束失败事件，其中，所述波束失败事件为所述终端的物理层检测到该服务小区发生波束失败上报的；以及
    将所述计数器的计数值增加1个计数单位。
  14. 根据权利要求9～13任一权利要求所述的装置，其特征在于，所述传输检测单元，还用于
    若所述随机接入成功，将发生波束失败的服务小区所配置的定时器停止，以及将发生波束失败的服务小区所配置的计数器归零。
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