CN114788363A - 一种通信方法及装置 - Google Patents
一种通信方法及装置 Download PDFInfo
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- 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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- 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
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- 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
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- 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
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- 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
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- 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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- Astronomy & Astrophysics (AREA)
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- 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***消息的能耗。
Description
PCT国内申请,说明书已公开。
Claims (41)
- PCT国内申请,权利要求书已公开。
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 |
Family
ID=76863389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202080086688.3A Pending CN114788363A (zh) | 2020-01-14 | 2020-01-14 | 一种通信方法及装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220361251A1 (zh) |
EP (1) | EP4084541A4 (zh) |
CN (1) | CN114788363A (zh) |
WO (1) | WO2021142633A1 (zh) |
Families Citing this family (5)
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 |
CN116584129A (zh) * | 2021-09-30 | 2023-08-11 | 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)
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***的上行定时提前量终端预测方法 |
Family Cites Families (3)
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***随机接入前导序列检测与定时提前量确定的方法 |
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2020
- 2020-01-14 CN CN202080086688.3A patent/CN114788363A/zh active Pending
- 2020-01-14 WO PCT/CN2020/072082 patent/WO2021142633A1/zh unknown
- 2020-01-14 EP EP20913253.9A patent/EP4084541A4/en active Pending
-
2022
- 2022-07-13 US US17/863,668 patent/US20220361251A1/en active Pending
Patent Citations (4)
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***的上行定时提前量终端预测方法 |
Non-Patent Citations (4)
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 * |
CATT, THALES, OPPO, SPREADTRUM COMMUNICATIONS, NOMOR RESEARCH GMBH: "R2-1916505 "TP on Random Access procedure"", 3GPP TSG_RAN\\WG2_RL2, no. 2, 23 November 2019 (2019-11-23), pages 1 - 3 * |
CATT: "R1-1912165 "PRACH design and UL timing management"", 3GPP TSG_RAN\\WG1_RL1, no. 1, 9 November 2019 (2019-11-09), pages 1 - 5 * |
ERICSSON: "R2-1916414 "Remaining details on Random access for NTN"", 3GPP TSG_RAN\\WG2_RL2, no. 2, 29 November 2019 (2019-11-29), pages 1 - 3, XP051828890 * |
Also Published As
Publication number | Publication date |
---|---|
US20220361251A1 (en) | 2022-11-10 |
EP4084541A4 (en) | 2023-01-11 |
WO2021142633A1 (zh) | 2021-07-22 |
EP4084541A1 (en) | 2022-11-02 |
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