CN104798320A - 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
CN104798320A
CN104798320A CN201380023325.5A CN201380023325A CN104798320A CN 104798320 A CN104798320 A CN 104798320A CN 201380023325 A CN201380023325 A CN 201380023325A CN 104798320 A CN104798320 A CN 104798320A
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China
Prior art keywords
pdcp
sequence number
lossless
pdu
lower layer
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CN201380023325.5A
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CN104798320B (zh
Inventor
权威
张戬
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H04L1/1678—Details of the supervisory signal the supervisory signal being transmitted together with control information where the control information is for timing, e.g. time stamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/34—Flow control; Congestion control ensuring sequence integrity, e.g. using sequence numbers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1628—List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers, e.g. of sequence numbers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)

Abstract

本发明实施例公开了数据传输方法及装置。上述数据传输方法，包括：分组数据汇聚协议PDCP实体对PDCP协议数据单元PDU或PDCP服务数据单元SDU进行无损传输,其中，所述每个PDCP PDU或所述SDU关联一个序列号。在本实施例中，无损传输没有数据包丢失，保证了在跨站点载波聚合场景下的通信质量，达到了优化目的。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380023325.5A 2013-11-11 2013-11-11 数据传输方法及装置 Active CN104798320B (zh)

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PCT/CN2013/086864 WO2015066923A1 (zh) 2013-11-11 2013-11-11 数据传输方法及装置

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CN110876166B (zh) * 2018-08-31 2023-05-09 中国移动通信有限公司研究院 一种数据处理的方法和设备
CN110278058B (zh) * 2019-06-05 2020-11-03 华为技术有限公司 一种冗余信息反馈方法及通信装置
CN114554544B (zh) * 2020-11-20 2023-08-15 中国移动通信有限公司研究院 一种传输方法、通知方法、传输单元和网络侧设备
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CN107404396A (zh) * 2016-05-20 2017-11-28 中国移动通信有限公司研究院 一种数据传输方法和装置
CN107404396B (zh) * 2016-05-20 2019-08-20 中国移动通信有限公司研究院 一种数据传输方法和装置
CN108632899A (zh) * 2017-03-17 2018-10-09 华为技术有限公司 一种数据传输方法、数据发送设备及数据接收设备
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US20190268100A1 (en) 2019-08-29
WO2015066923A1 (zh) 2015-05-14
CN109348508A (zh) 2019-02-15
CN109348508B (zh) 2022-04-12
US11133897B2 (en) 2021-09-28
US20160277154A1 (en) 2016-09-22
CN104798320B (zh) 2018-11-09
US10313060B2 (en) 2019-06-04

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