CN114788363A - 一种通信方法及装置 - Google Patents

一种通信方法及装置 Download PDF

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Publication number
CN114788363A
CN114788363A CN202080086688.3A CN202080086688A CN114788363A CN 114788363 A CN114788363 A CN 114788363A CN 202080086688 A CN202080086688 A CN 202080086688A CN 114788363 A CN114788363 A CN 114788363A
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CN
China
Prior art keywords
network device
duration
system message
terminal device
time length
Prior art date
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Pending
Application number
CN202080086688.3A
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English (en)
Inventor
于海凤
唐珣
李秉肇
陈磊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN114788363A publication Critical patent/CN114788363A/zh
Pending legal-status Critical Current

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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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

一种通信方法及装置，尤其适用于非陆地网络，其中方法包括：终端设备确定需要获取第一时长，确定第一时长，并根据第一时长确定定时提前量，该定时提前量用于终端设备与网络设备之间的通信。通过上述方法，终端设备可以根据自身的需要来确定第一时长，从而能够降低终端设备的能耗；此外，终端设备还可以根据来自网络设备的辅助参数，计算随时间变化的定时提前量，以减少频繁读取系统消息的能耗。

Description

PCT国内申请，说明书已公开。

Claims (41)

  1. PCT国内申请，权利要求书已公开。
CN202080086688.3A 2020-01-14 2020-01-14 一种通信方法及装置 Pending CN114788363A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/072082 WO2021142633A1 (zh) 2020-01-14 2020-01-14 一种通信方法及装置

Publications (1)

Publication Number Publication Date
CN114788363A true CN114788363A (zh) 2022-07-22

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CN202080086688.3A Pending CN114788363A (zh) 2020-01-14 2020-01-14 一种通信方法及装置

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US (1) US20220361251A1 (zh)
EP (1) EP4084541A4 (zh)
CN (1) CN114788363A (zh)
WO (1) WO2021142633A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220086780A1 (en) * 2020-09-11 2022-03-17 FG Innovation Company Limited Reporting user equipment specific timing advance in a non-terrestrial network
WO2023050318A1 (zh) * 2021-09-30 2023-04-06 北京小米移动软件有限公司 一种随机接入方法、通信装置及通信设备
CN116782360A (zh) * 2022-03-09 2023-09-19 华为技术有限公司 一种定时提前量的确定方法和装置
CN116980063A (zh) * 2022-04-24 2023-10-31 华为技术有限公司 一种星历信息的指示方法及装置
CN116347623B (zh) * 2023-05-29 2023-08-15 之江实验室 一种任务调度的方法、装置、存储介质及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109842932A (zh) * 2017-11-24 2019-06-04 华为技术有限公司 获取时间提前量的方法与装置
WO2019161044A1 (en) * 2018-02-14 2019-08-22 Idac Holdings, Inc. Random access in a non-terrestrial network
WO2019195457A1 (en) * 2018-04-03 2019-10-10 Idac Holdings, Inc. Timing advance for non-terrestrial network communication
CN110446254A (zh) * 2019-09-12 2019-11-12 成都天奥集团有限公司 一种用于卫星通信系统的上行定时提前量终端预测方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107197517B (zh) * 2017-08-02 2020-11-06 电子科技大学 基于ta分组的lte卫星上行链路同步方法
CN110062455B (zh) * 2018-01-19 2021-09-03 中兴通讯股份有限公司 上行定时提前量的确定方法及装置、存储介质、电子装置
CN109874168B (zh) * 2019-03-07 2020-04-21 中山大学 移动通信系统随机接入前导序列检测与定时提前量确定的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109842932A (zh) * 2017-11-24 2019-06-04 华为技术有限公司 获取时间提前量的方法与装置
WO2019161044A1 (en) * 2018-02-14 2019-08-22 Idac Holdings, Inc. Random access in a non-terrestrial network
WO2019195457A1 (en) * 2018-04-03 2019-10-10 Idac Holdings, Inc. Timing advance for non-terrestrial network communication
CN110446254A (zh) * 2019-09-12 2019-11-12 成都天奥集团有限公司 一种用于卫星通信系统的上行定时提前量终端预测方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
3GPP: "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Solutions for NR to support non-terrestrial networks (NTN) (Release 16)", RP-192504 3GPP TR 38.821(V1.0.0.2), 2 December 2019 (2019-12-02), pages 6 *

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Publication number Publication date
EP4084541A4 (en) 2023-01-11
WO2021142633A1 (zh) 2021-07-22
EP4084541A1 (en) 2022-11-02
US20220361251A1 (en) 2022-11-10

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