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CN109565886A - 发送随机接入前导的方法和终端设备 - Google Patents

发送随机接入前导的方法和终端设备 Download PDF

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Publication number
CN109565886A
CN109565886A CN201780050354.9A CN201780050354A CN109565886A CN 109565886 A CN109565886 A CN 109565886A CN 201780050354 A CN201780050354 A CN 201780050354A CN 109565886 A CN109565886 A CN 109565886A
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CN
China
Prior art keywords
random access
access preamble
terminal device
wave beam
sends
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CN201780050354.9A
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CN109565886B (zh
Inventor
张治�
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of CN109565886A publication Critical patent/CN109565886A/zh
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Classifications

    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

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

Abstract

本申请实施例涉及发送随机接入前导的方法和终端设备。该方法包括终端设备通过第一发送波束向网络设备发送第一随机接入前导；在该终端设备确定该第一随机接入前导发送失败的情况下，该终端设备通过第二发送波束向该网络设备发送第二随机接入前导，该第一发送波束和该第二发送波束不同。本申请实施例的发送随机接入前导的方法和终端设备，终端设备在通过第一发送波束发送第一随机接入前导失败的情况下，可以切换发送波束重新发送随机接入前导，即采用与第一发送波束不同的第二发送波束再次发送，从而减少随机接入前导发生冲突的概率，进而减少传输时延。

Description

PCT国内申请，说明书已公开。

Claims (28)

  1. PCT国内申请，权利要求书已公开。
CN201780050354.9A 2017-06-16 2017-06-16 发送随机接入前导的方法和终端设备 Active CN109565886B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/088753 WO2018227602A1 (zh) 2017-06-16 2017-06-16 发送随机接入前导的方法和终端设备

Publications (2)

Publication Number Publication Date
CN109565886A true CN109565886A (zh) 2019-04-02
CN109565886B CN109565886B (zh) 2020-12-08

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CN201780050354.9A Active CN109565886B (zh) 2017-06-16 2017-06-16 发送随机接入前导的方法和终端设备

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CN (1) CN109565886B (zh)
TW (1) TWI676381B (zh)
WO (1) WO2018227602A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115968053A (zh) * 2022-11-30 2023-04-14 中国星网网络创新研究院有限公司 随机接入方法、装置、设备及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104221454A (zh) * 2013-04-08 2014-12-17 华为技术有限公司 随机接入前导的发送与接收方法、以及相应的设备
US20140376466A1 (en) * 2013-06-24 2014-12-25 Samsung Electronics Co., Ltd. Apparatus and method for adaptively determining tx beam subset for random access in wireless communication system
CN104754758A (zh) * 2013-12-27 2015-07-01 重庆重邮信科通信技术有限公司 随机接入方法、用户设备、基站及系统
US20160192401A1 (en) * 2014-12-29 2016-06-30 Electronics And Telecommunications Research Institute Method and apparatus for random access in communications system
CN106105361A (zh) * 2014-03-25 2016-11-09 瑞典爱立信有限公司 随机接入前导码信号的发送和接收

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2887561B1 (en) * 2013-12-18 2019-07-03 Alcatel Lucent Beamforming apparatuses, methods and computer programs for a base station transceiver and a mobile transceiver
EP3087795B1 (en) * 2014-03-21 2017-08-02 Sony Corporation Communications device and methods of communicating via a wireless access interface to perform device-to-device communications
TWI609574B (zh) * 2015-12-04 2017-12-21 財團法人工業技術研究院 適用於毫米波通訊系統的網路登錄後的連結方法、及使用該方法之用戶設備與基站

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104221454A (zh) * 2013-04-08 2014-12-17 华为技术有限公司 随机接入前导的发送与接收方法、以及相应的设备
US20140376466A1 (en) * 2013-06-24 2014-12-25 Samsung Electronics Co., Ltd. Apparatus and method for adaptively determining tx beam subset for random access in wireless communication system
CN104754758A (zh) * 2013-12-27 2015-07-01 重庆重邮信科通信技术有限公司 随机接入方法、用户设备、基站及系统
CN106105361A (zh) * 2014-03-25 2016-11-09 瑞典爱立信有限公司 随机接入前导码信号的发送和接收
US20160192401A1 (en) * 2014-12-29 2016-06-30 Electronics And Telecommunications Research Institute Method and apparatus for random access in communications system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115968053A (zh) * 2022-11-30 2023-04-14 中国星网网络创新研究院有限公司 随机接入方法、装置、设备及存储介质

Also Published As

Publication number Publication date
TWI676381B (zh) 2019-11-01
WO2018227602A1 (zh) 2018-12-20
CN109565886B (zh) 2020-12-08
TW201906361A (zh) 2019-02-01

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