CN112868269A - 随机接入方法及装置 - Google Patents

随机接入方法及装置 Download PDF

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Publication number
CN112868269A
CN112868269A CN201980001936.7A CN201980001936A CN112868269A CN 112868269 A CN112868269 A CN 112868269A CN 201980001936 A CN201980001936 A CN 201980001936A CN 112868269 A CN112868269 A CN 112868269A
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random access
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CN112868269B (zh
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牟勤
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access

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

Abstract

本公开是关于一种随机接入方法及装置。随机接入方法中，应用于终端，包括：选择消息A的随机接入前导；基于所述消息A的随机接入前导，确定传输所述消息A的逻辑资源；其中，所述随机接入前导与所述逻辑资源之间具有预设映射关系，且所述逻辑资源中包括至少一个物理资源单元部分，所述物理资源单元部分为对物理上行共享信道物理资源进行划分得到的部分物理资源；通过所述逻辑资源中包括的物理资源单元部分传输所述消息A。通过本公开可以降低不同终端随机接入过程中映射到相同物理上行共享信道物理资源的几率，进而降低碰撞概率，降低传输失败情况发生概率。

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。
CN201980001936.7A 2019-09-12 2019-09-12 随机接入方法及装置 Active CN112868269B (zh)

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PCT/CN2019/105798 WO2021046828A1 (zh) 2019-09-12 2019-09-12 随机接入方法及装置

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CN112868269A true CN112868269A (zh) 2021-05-28
CN112868269B CN112868269B (zh) 2024-01-30

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US (2) US11844116B2 (zh)
EP (1) EP4030856A4 (zh)
CN (1) CN112868269B (zh)
WO (1) WO2021046828A1 (zh)

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WO2018132843A1 (en) * 2017-01-13 2018-07-19 Motorola Mobility Llc Method and apparatus for performing contention based random access in a carrier frequency
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CN110115096A (zh) * 2019-03-29 2019-08-09 北京小米移动软件有限公司 随机接入方法、装置及计算机可读存储介质

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US20200245373A1 (en) * 2019-02-14 2020-07-30 Intel Corporation Two-step random access channel (rach) in new radio (nr) networks and systems
CN113455094A (zh) * 2019-02-15 2021-09-28 诺基亚技术有限公司 2步随机接入中从ue到基站的消息结构
CN111757503A (zh) * 2019-03-28 2020-10-09 北京三星通信技术研究有限公司 一种资源确定方法和装置
US11228990B2 (en) * 2019-03-28 2022-01-18 Ofinno, Llc Random access power control
CN115087114B (zh) * 2019-05-02 2023-05-23 中兴通讯股份有限公司 用于随机接入信道rach结构的方法和装置
KR20210121262A (ko) * 2019-05-03 2021-10-07 엘지전자 주식회사 무선 통신 시스템에서 신호를 송수신 하는 방법 및 이를 지원하는 장치
AU2019449200A1 (en) * 2019-06-07 2022-01-06 Qualcomm Incorporated Adaptive retransmission for a random access procedure
WO2020249548A1 (en) * 2019-06-10 2020-12-17 Telefonaktiebolaget Lm Ericsson (Publ) Recovery/fallback after unsuccessful 2-step random access attempt
CN112312479A (zh) * 2019-07-26 2021-02-02 北京三星通信技术研究有限公司 上行信号的发送方法以及用户设备
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* Cited by examiner, † Cited by third party
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WO2018064367A1 (en) * 2016-09-28 2018-04-05 Idac Holdings, Inc. Random access in next generation wireless systems
US20180124822A1 (en) * 2016-11-01 2018-05-03 Qualcomm Incorporated Two step random access procedure
CN108282895A (zh) * 2017-01-06 2018-07-13 电信科学技术研究院 一种随机接入方法及终端
WO2018132843A1 (en) * 2017-01-13 2018-07-19 Motorola Mobility Llc Method and apparatus for performing contention based random access in a carrier frequency
CN109756991A (zh) * 2017-11-06 2019-05-14 华为技术有限公司 通信方法及装置
CN110115096A (zh) * 2019-03-29 2019-08-09 北京小米移动软件有限公司 随机接入方法、装置及计算机可读存储介质

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Publication number Publication date
WO2021046828A1 (zh) 2021-03-18
CN112868269B (zh) 2024-01-30
US20220330349A1 (en) 2022-10-13
EP4030856A4 (en) 2023-05-24
US20240163931A1 (en) 2024-05-16
EP4030856A1 (en) 2022-07-20
US11844116B2 (en) 2023-12-12

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