CN110073713A - 随机接入方法和装置 - Google Patents

随机接入方法和装置 Download PDF

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Publication number
CN110073713A
CN110073713A CN201680091424.0A CN201680091424A CN110073713A CN 110073713 A CN110073713 A CN 110073713A CN 201680091424 A CN201680091424 A CN 201680091424A CN 110073713 A CN110073713 A CN 110073713A
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China
Prior art keywords
random access
signal
response signal
access response
terminal
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CN201680091424.0A
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CN110073713B (zh
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杨宁
许华
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202010976862.3A priority Critical patent/CN112087814B/zh
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    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0615—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 simultaneous transmission of weighted versions of same signal
    • H04B7/0617—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 simultaneous transmission of weighted versions of same signal for beam forming
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请实施例提供一种随机接入方法和装置，所述方法包括：在随机接入过程中，终端先通过第一资源发送第一随机接入信号，再通过第二资源发送第二随机接入信号；所述终端检测网络设备发送的第一随机接入响应信号和第二随机接入响应信号中的至少一个，其中，所述第二随机接入信号的传输时段的起始时刻早于所述第一随机接入响应信号的检测时段的结束时刻。通过配置第二随机接入信号的传输时段的起始时刻早于第一随机接入响应信号的检测时段的结束时刻，避免了现有技术中，终端需要在用于检测随机接入响应信号的时间窗结束后，才能通过第二资源发送第二随机接入信号，使得终端可以在结束检测第一随机接入响应信号的检测时段结束之前，向网络设备发送第二随机接入信号，以减少终端多次进行随机接入的时延。

Description

PCT国内申请，说明书已公开。

Claims (30)

  1. PCT国内申请，权利要求书已公开。
CN201680091424.0A 2016-12-26 2016-12-26 随机接入方法和装置 Active CN110073713B (zh)

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CN202010976862.3A CN112087814B (zh) 2016-12-26 2016-12-26 随机接入方法和装置

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PCT/CN2016/112211 WO2018119613A1 (zh) 2016-12-26 2016-12-26 随机接入方法和装置

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EP (2) EP3531784B1 (zh)
CN (2) CN110073713B (zh)
TW (1) TWI663889B (zh)
WO (1) WO2018119613A1 (zh)

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CN112753179B (zh) * 2018-09-28 2022-06-14 华为技术有限公司 随机接入方法以及随机接入装置
CN116347644A (zh) * 2021-12-23 2023-06-27 中国移动通信有限公司研究院 消息发送方法、消息接收方法及设备

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US11051342B2 (en) 2021-06-29
CN112087814A (zh) 2020-12-15
WO2018119613A1 (zh) 2018-07-05
CN110073713B (zh) 2020-10-20
EP3531784B1 (en) 2020-09-09
US20190281639A1 (en) 2019-09-12
TWI663889B (zh) 2019-06-21
TW201824929A (zh) 2018-07-01
EP3531784A4 (en) 2019-10-23
EP3761749A1 (en) 2021-01-06
CN112087814B (zh) 2022-10-28
EP3531784A1 (en) 2019-08-28

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