CN111165060A - 随机接入方法、装置以及通信系统 - Google Patents

随机接入方法、装置以及通信系统 Download PDF

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Publication number
CN111165060A
CN111165060A CN201780095493.3A CN201780095493A CN111165060A CN 111165060 A CN111165060 A CN 111165060A CN 201780095493 A CN201780095493 A CN 201780095493A CN 111165060 A CN111165060 A CN 111165060A
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China
Prior art keywords
bwp
msg
preamble
transmitting
unit
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CN201780095493.3A
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CN111165060B (zh
Inventor
蒋琴艳
张磊
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Fujitsu Ltd
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Fujitsu Ltd
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    • 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
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment

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

Abstract

一种随机接入方法、装置和通信系统，其中，所述方法包括：网络设备在第一时频资源接收第一用户设备发送的第一前导码(preamble)；所述网络设备根据所述第一preamble确定发送第二消息(msg.2)的第一载波带宽(DL BWP)；所述网络设备在所述第一DL BWP上发送所述msg.2A。通过该方法，基站根据接收到的用户设备发送的随机接入请求所使用的时频资源和/或preamble和/或随机接入请求所携带的指示信息就能确定反馈RAR的DL BWP，保证了用户设备的正常接入。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201780095493.3A 2017-11-17 2017-11-17 随机接入方法、装置以及通信系统 Active CN111165060B (zh)

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PCT/CN2017/111757 WO2019095337A1 (zh) 2017-11-17 2017-11-17 随机接入方法、装置以及通信系统

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CN111165060A true CN111165060A (zh) 2020-05-15
CN111165060B CN111165060B (zh) 2024-02-13

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US (2) US11064527B2 (zh)
JP (1) JP7024867B2 (zh)
CN (1) CN111165060B (zh)
WO (1) WO2019095337A1 (zh)

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WO2019153205A1 (zh) * 2018-02-08 2019-08-15 Oppo广东移动通信有限公司 一种资源配置方法及装置、计算机存储介质
WO2019158999A1 (en) 2018-02-14 2019-08-22 Lenovo (Singapore) Pte. Ltd. Determining linked bandwidth parts
WO2019160481A1 (en) 2018-02-15 2019-08-22 Telefonaktiebolaget Lm Ericsson (Publ) Random access procedure
KR102456934B1 (ko) * 2018-02-28 2022-10-21 삼성전자주식회사 무선 통신 시스템에서의 데이터 송수신 방법 및 장치
BR112020019126A2 (pt) * 2018-03-30 2021-01-12 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Método e dispositivo para acesso aleatório e mídia de armazenamento legível por computador
CN110474735B (zh) * 2018-05-11 2021-03-23 华为技术有限公司 通信方法和通信装置
US11690066B2 (en) * 2018-07-30 2023-06-27 Qualcomm Incorporated Retransmission and fallback for autonomous uplink transmission
CN110856267B (zh) * 2018-08-20 2021-10-01 华为技术有限公司 一种通信方法及设备
US11070328B2 (en) * 2018-09-27 2021-07-20 Ofinno, Llc Bandwidth parts operation in multiple active bandwidth parts
CN113475113B (zh) * 2018-12-21 2024-06-25 三星电子株式会社 处理多个活动bwp的方法和装置
WO2021159510A1 (zh) * 2020-02-14 2021-08-19 富士通株式会社 上行传输方法以及装置
WO2023279297A1 (zh) * 2021-07-07 2023-01-12 北京小米移动软件有限公司 随机接入方法、装置及存储介质

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Also Published As

Publication number Publication date
CN111165060B (zh) 2024-02-13
JP2021503744A (ja) 2021-02-12
WO2019095337A1 (zh) 2019-05-23
US20210282192A1 (en) 2021-09-09
JP7024867B2 (ja) 2022-02-24
US11064527B2 (en) 2021-07-13
US20190223227A1 (en) 2019-07-18

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