CN111512610A - 通信方法及装置 - Google Patents

通信方法及装置 Download PDF

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CN111512610A
CN111512610A CN201980006146.8A CN201980006146A CN111512610A CN 111512610 A CN111512610 A CN 111512610A CN 201980006146 A CN201980006146 A CN 201980006146A CN 111512610 A CN111512610 A CN 111512610A
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random access
synchronization signal
signal block
time
information
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CN111512610B (zh
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黄煌
高宽栋
颜矛
邵华
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/08Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0866Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access
    • H04W74/0891Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a dedicated channel for access for synchronized access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/088Hybrid systems, i.e. switching and combining using beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2646Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2692Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078Timing of allocation
    • H04L5/0082Timing of allocation at predetermined intervals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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    • H04L5/0091Signaling for the administration of the divided path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/046Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04W72/20Control channels or signalling for resource management
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    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/002Transmission of channel access control information
    • H04W74/006Transmission of channel access control information in the downlink, i.e. towards the terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/02Hybrid access techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • H04W74/08Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/26025Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0064Rate requirement of the data, e.g. scalable bandwidth, data priority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078Timing of allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • H04W56/0015Synchronization between nodes one node acting as a reference for the others

Abstract

本申请公开了一种通信方法及装置。其中的方法包括:终端设备获取下行同步信号块的索引信息;所述终端设备接收用于指示随机接入资源RO与同步信号块的关联关系的信息;根据所述信息,所述终端设备在所述同步信号块索引信息对应的RO上,接入网络设备。还公开了相应的装置。通过指示各个下行同步信号关联的随机接入资源的时频位置,使得终端设备通过下行同步即可获取上行发送随机接入信号的时间频率位置,从而避免终端设备的盲目尝试以及网络设备在接收随机接入信号时的波束不匹配,提高效率。

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。
CN201980006146.8A 2018-01-12 2019-01-14 通信方法及装置 Active CN111512610B (zh)

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CN201810032285.5A CN110034887A (zh) 2018-01-12 2018-01-12 通信方法及装置
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113965975A (zh) * 2021-12-22 2022-01-21 中国移动通信有限公司研究院 信号处理方法、装置、通信设备及可读存储介质
WO2022193927A1 (zh) * 2021-03-17 2022-09-22 华为技术有限公司 一种传输信息的方法及其装置

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7001583B2 (ja) * 2016-03-25 2022-01-19 株式会社Nttドコモ 端末、無線通信方法、基地局及びシステム
JP6983158B2 (ja) * 2016-07-15 2021-12-17 株式会社Nttドコモ 端末、無線通信方法、基地局及びシステム
CN108391314B (zh) * 2018-02-12 2022-06-03 宇龙计算机通信科技(深圳)有限公司 一种前导码的确定方法、装置及终端
WO2019153355A1 (zh) * 2018-02-12 2019-08-15 北京小米移动软件有限公司 随机接入时机的配置方法及装置、随机接入方法及装置
CN110167164A (zh) * 2018-02-14 2019-08-23 华为技术有限公司 随机接入资源配置的方法和通信设备
CN110351102A (zh) 2018-04-02 2019-10-18 北京三星通信技术研究有限公司 同步信号块映射周期确定的方法及设备
US11706794B2 (en) * 2018-08-08 2023-07-18 Interdigital Patent Holdings, Inc. Physical random access for NR-U
CN111436104B (zh) * 2019-02-14 2022-05-27 维沃移动通信有限公司 消息发送方法、消息接收方法、终端设备及网络设备
CN113785657A (zh) * 2019-05-03 2021-12-10 苹果公司 用于未许可频谱中的nr的时域中的随机接入信道配置
CN110312322B (zh) * 2019-05-31 2023-07-14 华为技术有限公司 随机接入的方法及执行随机接入的设备
CN114073163B (zh) * 2019-07-09 2023-11-10 瑞典爱立信有限公司 用于随机接入过程的方法和装置
CN114073137A (zh) * 2019-07-12 2022-02-18 株式会社Ntt都科摩 终端
US11653321B2 (en) * 2019-07-12 2023-05-16 Qualcomm Incorporated Methods and apparatus to facilitate beam-based sequence spaces for synchronization signals
WO2021026710A1 (en) * 2019-08-12 2021-02-18 Qualcomm Incorporated Association of synchronization signal blocks to random access occasions
CN111867129B (zh) * 2019-08-16 2023-06-23 维沃移动通信有限公司 物理随机接入信道传输方法、终端及网络侧设备
CN110719650B (zh) * 2019-09-30 2022-02-25 中国信息通信研究院 一种随机接入方法、装置、终端、基站和存储介质
CN112583463B (zh) * 2019-09-30 2023-02-14 华为技术有限公司 一种波束的指示方法及装置
US20220346138A1 (en) * 2019-10-02 2022-10-27 Qualcomm Incorporated Wireless communication using multiple types of random access occasions
EP4055972A4 (en) * 2019-11-08 2023-08-09 Lenovo (Beijing) Limited METHOD AND DEVICE FOR PRACH REPEATS
US11368927B2 (en) * 2019-11-18 2022-06-21 Qualcomm Incorporated Rate matching around synchronization signal blocks in unlicensed spectrum
CN111010742B (zh) * 2019-12-09 2022-07-15 Oppo广东移动通信有限公司 用于确定随机接入资源的方法和终端设备
WO2021127962A1 (en) * 2019-12-24 2021-07-01 Qualcomm Incorporated Efficient new radio-light message a repetition in two-step random access channel procedure
US11647456B2 (en) * 2020-01-10 2023-05-09 Qualcomm Incorporated Layer 1 activation/deactivation of secondary cell
US11778612B2 (en) * 2020-03-30 2023-10-03 Qualcomm Incorporated Scheduling using scheduling request occasions
CN115399051A (zh) * 2020-04-14 2022-11-25 Oppo广东移动通信有限公司 资源确定方法、装置、设备及存储介质
CN113543360A (zh) * 2020-04-22 2021-10-22 北京三星通信技术研究有限公司 一种传输方法和设备
WO2022006851A1 (zh) * 2020-07-10 2022-01-13 Oppo广东移动通信有限公司 无线通信方法、终端设备和网络设备
CN113973396A (zh) * 2020-07-24 2022-01-25 华为技术有限公司 一种用于随机接入的方法及通信装置
US20230300891A1 (en) * 2020-07-24 2023-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Method and Apparatus for Random Access Procedure
KR102460672B1 (ko) 2021-01-06 2022-10-27 두산에너빌리티 주식회사 연료 노즐, 연료 노즐 모듈 및 이를 포함하는 연소기
WO2024067872A1 (zh) * 2022-09-30 2024-04-04 华为技术有限公司 随机接入方法、装置及系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107295692A (zh) * 2016-03-30 2017-10-24 中兴通讯股份有限公司 随机接入的方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10536946B2 (en) 2015-12-08 2020-01-14 Huawei Technologies Co., Ltd. Method and system for performing network slicing in a radio access network
CN114900890A (zh) * 2017-05-05 2022-08-12 北京三星通信技术研究有限公司 基站、终端及随机接入前导检测、随机接入信道配置方法
US11533750B2 (en) * 2017-10-09 2022-12-20 Qualcomm Incorporated Random access response techniques based on synchronization signal block transmissions
KR102543222B1 (ko) * 2018-11-02 2023-06-13 삼성전자 주식회사 무선 통신 시스템에서 비직교 다중접속 신호 송수신 방법 및 장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107295692A (zh) * 2016-03-30 2017-10-24 中兴通讯股份有限公司 随机接入的方法及装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "Remaining details on NR-RACH formats and configurations", 《3GPP TSG RAN WG1 MEETING #91 R1-1720940》 *
QUALCOMM: "Summary of Remaining Details on RACH Procedure", 《3GPP TSG RAN WG1 MEETING 91 R1-1721689》 *
ZTE,SANECHIPS: "Remaining details of RACH procedure", 《3GPP TSG RAN WG1 MEETING #91 R1-1719346》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022193927A1 (zh) * 2021-03-17 2022-09-22 华为技术有限公司 一种传输信息的方法及其装置
CN113965975A (zh) * 2021-12-22 2022-01-21 中国移动通信有限公司研究院 信号处理方法、装置、通信设备及可读存储介质
CN113965975B (zh) * 2021-12-22 2022-03-15 中国移动通信有限公司研究院 信号处理方法、装置、通信设备及可读存储介质

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CA3066517C (en) 2023-02-21
KR20200011987A (ko) 2020-02-04
EP3621273A4 (en) 2020-06-10
EP3621273B1 (en) 2023-04-05
CA3066517A1 (en) 2019-08-17
US10750460B2 (en) 2020-08-18
ES2944321T3 (es) 2023-06-20
US20200059878A1 (en) 2020-02-20
JP6972292B2 (ja) 2021-11-24
US11470563B2 (en) 2022-10-11
JP2020532157A (ja) 2020-11-05
EP3621273A1 (en) 2020-03-11
CN110034887A (zh) 2019-07-19
CN109729580B (zh) 2020-01-03
US20210014804A1 (en) 2021-01-14
WO2019137534A1 (zh) 2019-07-18
CN111512610B (zh) 2022-01-07
WO2019137534A9 (zh) 2019-08-22
CN109729580A (zh) 2019-05-07
KR102305752B1 (ko) 2021-09-27

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