CN115244997A - 一种ta确定方法及装置、终端设备 - Google Patents
一种ta确定方法及装置、终端设备 Download PDFInfo
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- CN115244997A CN115244997A CN202080098120.3A CN202080098120A CN115244997A CN 115244997 A CN115244997 A CN 115244997A CN 202080098120 A CN202080098120 A CN 202080098120A CN 115244997 A CN115244997 A CN 115244997A
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- 238000004590 computer program Methods 0.000 claims description 33
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- 238000004891 communication Methods 0.000 description 64
- 230000005540 biological transmission Effects 0.000 description 21
- 230000008569 process Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
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Classifications
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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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- 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
- H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
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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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- 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
本申请实施例提供一种TA确定方法及装置、终端设备，该方法包括：终端设备根据所述终端设备的位置信息和卫星的星历信息计算第一TA值；所述终端设备根据所述第一TA值和第一调整值确定第二TA值，所述第二TA值用于所述终端设备进行上行同步。
Description
PCT国内申请，说明书已公开。
Claims (35)
- PCT国内申请，权利要求书已公开。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211505456.4A CN115802476A (zh) | 2020-03-23 | 2020-03-23 | 一种ta确定方法及装置、终端设备 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/080629 WO2021189183A1 (zh) | 2020-03-23 | 2020-03-23 | 一种ta确定方法及装置、终端设备 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211505456.4A Division CN115802476A (zh) | 2020-03-23 | 2020-03-23 | 一种ta确定方法及装置、终端设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115244997A true CN115244997A (zh) | 2022-10-25 |
Family
ID=77890827
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211505456.4A Pending CN115802476A (zh) | 2020-03-23 | 2020-03-23 | 一种ta确定方法及装置、终端设备 |
| CN202080098120.3A Pending CN115244997A (zh) | 2020-03-23 | 2020-03-23 | 一种ta确定方法及装置、终端设备 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211505456.4A Pending CN115802476A (zh) | 2020-03-23 | 2020-03-23 | 一种ta确定方法及装置、终端设备 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20230010343A1 (zh) |
| EP (1) | EP4120753A4 (zh) |
| CN (2) | CN115802476A (zh) |
| WO (1) | WO2021189183A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220061009A1 (en) * | 2020-08-24 | 2022-02-24 | Electronics And Telecommunications Research Institute | Method and apparatus for timing control in wireless communication system |
| TR2021021346A2 (tr) * | 2021-12-28 | 2022-01-21 | Turkcell Technology Research And Development Co | Bi̇r zaman yöneti̇m si̇stemi̇ |
| WO2023130365A1 (zh) * | 2022-01-07 | 2023-07-13 | Oppo广东移动通信有限公司 | 恢复上行同步的方法、终端设备及存储介质 |
| US20230354441A1 (en) * | 2022-04-29 | 2023-11-02 | Qualcomm Incorporated | Closed loop time and frequency corrections in non-terrestrial networks |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105188128B (zh) * | 2015-08-21 | 2018-10-16 | 北京北方烽火科技有限公司 | 一种无线授时和空口同步方法、基站、通讯设备及系统 |
| 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 |
| CN109842932B (zh) * | 2017-11-24 | 2021-06-22 | 华为技术有限公司 | 获取时间提前量的方法与装置 |
| US11082973B2 (en) * | 2018-06-20 | 2021-08-03 | Qualcomm Incorporated | Upstream timing control mechanisms for non-terrestrial networks |
| US11363643B2 (en) * | 2018-08-10 | 2022-06-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access procedures for satellite communications |
| CN110446254B (zh) * | 2019-09-12 | 2021-11-23 | 上海众睿通信科技有限公司 | 一种用于卫星通信系统的上行定时提前量终端预测方法 |
| EP4042757A4 (en) * | 2019-09-30 | 2022-10-05 | ZTE Corporation | SYSTEM AND METHOD FOR CONFIGURATION OF TRANSMISSION RESOURCES AND IMPLEMENTATION OF RACH IN WIRELESS COMMUNICATION NETWORKS |
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2020
- 2020-03-23 WO PCT/CN2020/080629 patent/WO2021189183A1/zh unknown
- 2020-03-23 CN CN202211505456.4A patent/CN115802476A/zh active Pending
- 2020-03-23 EP EP20926686.5A patent/EP4120753A4/en active Pending
- 2020-03-23 CN CN202080098120.3A patent/CN115244997A/zh active Pending
-
2022
- 2022-09-22 US US17/934,311 patent/US20230010343A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021189183A1 (zh) | 2021-09-30 |
| EP4120753A4 (en) | 2023-04-26 |
| CN115802476A (zh) | 2023-03-14 |
| EP4120753A1 (en) | 2023-01-18 |
| US20230010343A1 (en) | 2023-01-12 |
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