WO2019095930A1 - 数据传输方法及装置 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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Abstract
Description
Claims (16)
- 一种数据传输方法,包括:源基站通过分布式处理单元DU检测到与终端的连接出现链路质量下降;所述源基站通过集中式处理单元CU确定所述DU未成功传输的数据,通过所述CU将所述DU未成功传输的数据通过下行数据帧发送给目标基站,其中,所述下行数据帧用于所述目标基站将所述未成功传输的数据传输给所述终端;或者,所述源基站向所述目标基站发送所述源基站链路质量下降消息,其中,所述链路质量下降消息中携带有已成功传输数据的序列号,所述链路质量下降消息用于所述目标基站根据所述序列号确定所述DU未成功传输的数据,停止向所述源基站发送分流数据并将所述DU未成功传输的数据传输给所述终端。
- 根据权利要求1所述的方法,其中,所述源基站通过所述CU将所述DU未成功传输的数据通过下行数据帧发送给目标基站包括:所述源基站通过所述源基站与所述目标基站之间的接口将所述下行数据帧发送给所述目标基站,其中,所述下行数据帧中携带有所述DU未成功传输的数据。
- 根据权利要求1所述的方法,其中,在所述源基站通过所述CU将所述DU未成功传输的数据通过下行数据帧发送给目标基站之后,所述方法还包括:所述源基站停止向所述DU发送数据,并将从核心网接收到的数据发送给所述目标基站,通过所述目标基站将所述数据传输给所述终端。
- 根据权利要求1所述的方法,其中,所述源基站通过所述CU确定所述DU未成功传输的数据包括:所述源基站通过DU向所述CU发送链路质量下降消息,其中,所述链路质量下降消息中携带有所述DU成功传输数据的序列号;所述源基站通过所述CU根据所述序列号确定所述DU未成功传输的数据。
- 根据权利要求1至4中任一项所述的方法,其中,所述方法还包括:所述源基站通过所述DU检测到与所述终端的连接链路恢复正常;所述源基站通过所述DU向所述CU发送链路恢复正常的恢复消息;所述源基站通过所述CU恢复向所述DU发送所述终端业务承载的数据。
- 根据权利要求4所述的方法,其中,在所述源基站通过所述DU向所述CU发送链路质量下降消息之后,所述方法还包括:所述源基站通过所述CU启动一个定时器,当定时器超时前,接收到来自所述DU的所述恢复消息后,对所述定时器进行清零;当定时器超时后,未接收到来自所述DU的所述恢复消息,释放所述终端的业务连接。
- 根据权利要求1所述的方法,其中,在所述源基站向所述目标基站发送源基站链路质量下降消息之后,所述方法还包括:所述源基站通过所述DU检测到与所述终端的连接链路恢复正常;所述源基站通过所述DU向所述CU发送链路恢复正常的恢复消息;所述源基站通过所述CU向所述目标基站发送所述恢复消息,其中,所述恢复消息用于所述目标基站恢复向所述源基站发送分流数据。
- 根据权利要求1所述的方法,其中,所述下行数据帧中携带有重传数据指示,其中,所述重传数据指示用于指示所述目标基站识别重传数据并优先处理。
- 一种数据传输方法,包括:目标基站接收源基站通过下行数据帧发送的分布式处理单元DU未成功传输的数据,其中,所述下行数据帧是所述源基站通过集中式处理单元CU发送的,所述DU未成功传输的数据是所述源基站通过所述DU检测到与终端的连接出现链路质量下降情况下通过所述CU确定的,将所述下行数据帧中携带的未成功传输数据传输给所述终端;或者,所述目标基站接收所述源基站发送的所述源基站链路质量下降消息,其中,所述链路质量下降消息中携带有已成功传输数据的序列号,根据所述序列号确定所述DU未成功传输的数据,停止向所述源基站发送分流数据并将所述DU未成功传输的数据传输给所述终端。
- 根据权利要求9所述的方法,其中,所述方法还包括:在所述目标基站根据所述重传数据指示将所述未成功传输的数据传输给所述终端的同时或之后,所述目标基站接收所述源基站发送的从核心网接收到的数据;所述目标基站将所述数据传输给所述终端。
- 根据权利要求9所述的方法,其中,在所述目标基站接收源基站通过下行数据帧发送的DU未成功传输的数据之后,所述方法还包括:所述下行数据帧中还携带有重传数据指示,所述目标基站通过所述重传数据指示识别出所述数据为重传数据;提高所述数据发送优先级。
- 根据权利要求9所述的方法,其中,在根据所述序列号确定所述DU未成功传输的数据,停止向所述源基站发送分流数据并将所述DU未成功传输的数据传输给所述终端之后,所述方法还包括:所述目标基站接收所述源基站通过所述CU发送的恢复消息,其中,所述恢复消息是所述源基站通过所述DU检测到与所述终端的连接链路恢复正常后,通过所述DU发送给所述CU的;所述目标基站根据所述恢复消息恢复向所述源基站发送分流数据。
- 一种数据传输装置,应用于源基站,包括:检测模块,设置为通过分布式处理单元DU检测到与终端的连接出现链路质量下降;第一发送模块,设置为通过集中式处理单元CU确定所述DU未成功传输的数据,通过所述CU将所述DU未成功传输的数据通过下行数据帧发送给目标基站,其中,所述下行数据帧用于所述目标基站将所述未成功传输的数据传输给所述终端;或者,第二发送模块,设置为向所述目标基站发送所述源基站链路质量下降消息,其中,所述链路质量下降消息中携带有已成功传输数据的序列号,所述链路质量下降消息用于所述目标基站根据所述序列号确定所述DU未成功传输的数据,停止向所述源基站发送分流数据并将所述DU未成功传输的数据传输给所述终端。
- 一种数据传输装置,应用于目标基站,包括:第一接收模块,设置为接收源基站通过下行数据帧发送的分布式处理单元DU未成功传输的数据,其中,所述下行数据帧是所述源基站通过集中式处理单元CU发送的,所述DU未成功传输的数据是所述源基站通过所述DU检测到与终端的连接出现链路质量下降情况下通过所述CU确定的,将所述下行数据帧中携带的未成功传输数据传输给所述终端;或者,第二接收模块,设置为接收所述源基站发送的所述源基站链路质量下降消息,其中,所述链路质量下降消息中携带有已成功传输数据的序列号,根据所述序列号确定所述DU未成功传输的数据,停止向所述源基站发送分流数据并将所述DU未成功传输的数据传输给所述终端。
- 一种存储介质,其中,所述存储介质包括存储的程序,其中,所述程序运行时执行权利要求1至8、9至12中任一项所述的方法。
- 一种处理器,其中,所述处理器用于运行程序,其中,所述程序运行时执行权利要求1至8、9至12中任一项所述的方法。
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KR1020207013545A KR102335821B1 (ko) | 2017-11-17 | 2018-10-19 | 데이터 전송 방법 및 장치 |
US16/764,358 US11477715B2 (en) | 2017-11-17 | 2018-10-19 | Method and device for data transmission |
JP2020521357A JP2021503731A (ja) | 2017-11-17 | 2018-10-19 | データ伝送方法及び装置 |
EP18879455.6A EP3713299A4 (en) | 2017-11-17 | 2018-10-19 | METHOD AND DEVICE FOR DATA TRANSFER |
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CN112187414B (zh) * | 2019-07-04 | 2022-05-24 | 华为技术有限公司 | 指示数据传输情况的方法和装置 |
CN110708721A (zh) * | 2019-09-05 | 2020-01-17 | 中国联合网络通信集团有限公司 | 一种数据传输方法及装置 |
WO2021051284A1 (zh) * | 2019-09-17 | 2021-03-25 | Oppo广东移动通信有限公司 | 一种上行重传处理方法、电子设备及存储介质 |
CN111222882A (zh) * | 2020-01-03 | 2020-06-02 | 腾讯科技(深圳)有限公司 | 基于区块链的数据传输方法、装置、设备及可读存储介质 |
CN113810949A (zh) * | 2020-06-12 | 2021-12-17 | 华为技术有限公司 | 数据传输方法和装置 |
CN114158072B (zh) * | 2021-11-26 | 2023-05-30 | 中国联合网络通信集团有限公司 | 专网中数据传输的方法和装置 |
CN115460648B (zh) * | 2022-11-10 | 2023-03-28 | 广州世炬网络科技有限公司 | 无线链路失效检测方法、装置、设备及存储介质 |
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CN109803315A (zh) | 2019-05-24 |
US11477715B2 (en) | 2022-10-18 |
KR102335821B1 (ko) | 2021-12-07 |
US20200280898A1 (en) | 2020-09-03 |
CN109803315B (zh) | 2022-08-19 |
KR20200065055A (ko) | 2020-06-08 |
EP3713299A1 (en) | 2020-09-23 |
EP3713299A4 (en) | 2021-09-29 |
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