CN114391243A - 频偏补偿、校准方法及装置、存储介质 - Google Patents
频偏补偿、校准方法及装置、存储介质 Download PDFInfo
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- CN114391243A CN114391243A CN202080001795.1A CN202080001795A CN114391243A CN 114391243 A CN114391243 A CN 114391243A CN 202080001795 A CN202080001795 A CN 202080001795A CN 114391243 A CN114391243 A CN 114391243A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/01—Reducing phase shift
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
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Abstract
本公开提供一种频偏补偿、校准方法及装置、存储介质，其中，所述方法包括：根据下行频率偏移，对目标频率进行补偿或预补偿；获取来自网络设备的与所述终端发送的上行信号对应的上行残留频偏；根据所述上行残留频偏，对所述目标频率的补偿频率或预补偿频率进行校准。本公开实现了在非地面网络中，进行频偏补偿或预补偿、以及校准的目的，可以有效地跟踪和补偿卫星通信链路的多普勒频移，提高了通信质量。
Description
PCT国内申请，说明书已公开。
Claims (22)
- 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/CN2020/107150 WO2022027329A1 (zh) | 2020-08-05 | 2020-08-05 | 频偏补偿、校准方法及装置、存储介质 |
Publications (1)
| Publication Number | Publication Date |
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| CN114391243A true CN114391243A (zh) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202080001795.1A Pending CN114391243A (zh) | 2020-08-05 | 2020-08-05 | 频偏补偿、校准方法及装置、存储介质 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20230268959A1 (zh) |
| CN (1) | CN114391243A (zh) |
| WO (1) | WO2022027329A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024120192A1 (zh) * | 2022-12-08 | 2024-06-13 | 大唐移动通信设备有限公司 | 卫星通信***频率同步方法、装置及存储介质 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115173877B (zh) * | 2022-06-17 | 2023-07-18 | 清华大学 | 通信卫星转发器及锁相转发*** |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017016303A1 (zh) * | 2015-07-29 | 2017-02-02 | 中兴通讯股份有限公司 | 一种频偏预补偿方法及装置 |
| WO2017194008A1 (zh) * | 2016-05-13 | 2017-11-16 | 中兴通讯股份有限公司 | 一种下行信号处理方法、装置及基站 |
| CN109005135A (zh) * | 2017-06-06 | 2018-12-14 | 中兴通讯股份有限公司 | 一种处理通信***上行链路频偏的方法与装置 |
| CN110311673A (zh) * | 2019-06-24 | 2019-10-08 | Oppo广东移动通信有限公司 | 一种频率校准方法、终端及存储介质 |
| CN110545136A (zh) * | 2019-07-31 | 2019-12-06 | 成都天奥集团有限公司 | 低轨卫星多载波通信***上行链路载波频偏估计与补偿方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956429A (zh) * | 2005-10-28 | 2007-05-02 | 华为技术有限公司 | 残留频偏检测方法、装置及其无线通信*** |
| WO2020074747A1 (en) * | 2018-10-12 | 2020-04-16 | Oq Technology S.À R.L. | Method and system for non-terrestrial cellular wireless communication networks |
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2020
- 2020-08-05 US US18/005,913 patent/US20230268959A1/en active Pending
- 2020-08-05 WO PCT/CN2020/107150 patent/WO2022027329A1/zh active Application Filing
- 2020-08-05 CN CN202080001795.1A patent/CN114391243A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017016303A1 (zh) * | 2015-07-29 | 2017-02-02 | 中兴通讯股份有限公司 | 一种频偏预补偿方法及装置 |
| WO2017194008A1 (zh) * | 2016-05-13 | 2017-11-16 | 中兴通讯股份有限公司 | 一种下行信号处理方法、装置及基站 |
| CN109005135A (zh) * | 2017-06-06 | 2018-12-14 | 中兴通讯股份有限公司 | 一种处理通信***上行链路频偏的方法与装置 |
| CN110311673A (zh) * | 2019-06-24 | 2019-10-08 | Oppo广东移动通信有限公司 | 一种频率校准方法、终端及存储介质 |
| CN110545136A (zh) * | 2019-07-31 | 2019-12-06 | 成都天奥集团有限公司 | 低轨卫星多载波通信***上行链路载波频偏估计与补偿方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024120192A1 (zh) * | 2022-12-08 | 2024-06-13 | 大唐移动通信设备有限公司 | 卫星通信***频率同步方法、装置及存储介质 |
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| Publication number | Publication date |
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| WO2022027329A1 (zh) | 2022-02-10 |
| US20230268959A1 (en) | 2023-08-24 |
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