CN113454919A - 一种卫星通信系统 - Google Patents

一种卫星通信系统 Download PDF

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Publication number
CN113454919A
CN113454919A CN201980086573.1A CN201980086573A CN113454919A CN 113454919 A CN113454919 A CN 113454919A CN 201980086573 A CN201980086573 A CN 201980086573A CN 113454919 A CN113454919 A CN 113454919A
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signal
module
frequency
processing
interference
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CN201980086573.1A
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CN113454919B (zh
Inventor
杨峰
任维佳
杜志贵
寇义民
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Spacety Co ltd Changsha
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Spacety Co ltd Changsha
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Priority claimed from CN201811629492.5A external-priority patent/CN109698712B/zh
Priority claimed from CN201811629329.9A external-priority patent/CN109768823B/zh
Priority claimed from CN201910005961.4A external-priority patent/CN109802719B/zh
Application filed by Spacety Co ltd Changsha filed Critical Spacety Co ltd Changsha
Publication of CN113454919A publication Critical patent/CN113454919A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks

Abstract

一种窄带多通道卫星通信系统，信号经地面站传输至至少一个窄带卫星，地面站至少包括编码模块和第一调制模块，地面站被配置为：编码模块配置为对信号执行编码处理以获取编码信号；第一调制模块配置为将编码信号执行串并变换处理以生成第一支路码流和第二支路码流，其中：在第一支路码流执行延迟处理以使得第一支路码流和第二支路码流彼此之间间隔设定码元周期的情况下，第一支路码流依次执行第一级滤波处理和第一级调制处理获取第一调制信号，第二支路码流依次执行第一级滤波处理和第二级调制处理获取第二调制信号；第一调制信号和第二调制信号共同经第二级调制处理以获得第三调制信号，其中，第三调制信号经第二级滤波处理以完成调制处理。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN201980086573.1A 2018-12-28 2019-11-29 一种卫星通信系统 Active CN113454919B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
CN201811629492.5A CN109698712B (zh) 2018-12-28 2018-12-28 窄带卫星通信系统
CN201811629329.9A CN109768823B (zh) 2018-12-28 2018-12-28 一种窄带多通道卫星通信系统
CN2018116293299 2018-12-28
CN2018116294925 2018-12-28
CN201910005961.4A CN109802719B (zh) 2019-01-03 2019-01-03 一种基于抑制窄带干扰的卫星通信系统
CN2019100059614 2019-01-03
PCT/CN2019/121951 WO2020134855A1 (zh) 2018-12-28 2019-11-29 一种卫星通信系统

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CN113454919A true CN113454919A (zh) 2021-09-28
CN113454919B CN113454919B (zh) 2023-01-24

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WO (1) WO2020134855A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111812682A (zh) * 2020-07-24 2020-10-23 华力智芯(成都)集成电路有限公司 一种抗窄带干扰电路
CN114499736B (zh) * 2020-11-12 2024-03-08 晶晨半导体(上海)股份有限公司 去除WIFI系统spur干扰的方法、计算机存储介质和宽带系统
CN113824488B (zh) * 2021-09-09 2022-07-08 中国电子科技集团公司第五十四研究所 基于判决反馈自适应对消的卫星通信非恶意干扰抑制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1949692A (zh) * 2005-10-13 2007-04-18 北京泰美世纪科技有限公司 一种多载波数字卫星广播系统及其数字信息传输方法
WO2010080841A1 (en) * 2009-01-06 2010-07-15 Qualcomm Incorporated Multi-carrier transmission over a single frequency band
CN105978664A (zh) * 2016-06-24 2016-09-28 中国科学院国家空间科学中心 一种用于遥感卫星的高效超高速有效载荷数据传输系统
CN107872268A (zh) * 2016-09-26 2018-04-03 北京大学（天津滨海）新代信息技术研究院 一种用于卫星通信系统消除干扰的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101154983B (zh) * 2006-09-27 2011-03-16 上海微小卫星工程中心 一种基于单倍采样的卫星通信抗干扰技术的实现方法
CN109768823B (zh) * 2018-12-28 2020-05-15 长沙天仪空间科技研究院有限公司 一种窄带多通道卫星通信系统
CN112422150B (zh) * 2018-12-28 2022-04-15 长沙天仪空间科技研究院有限公司 一种基站
CN111628816B (zh) * 2019-01-03 2022-02-01 长沙天仪空间科技研究院有限公司 一种卫星通信系统的窄带干扰抑制方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1949692A (zh) * 2005-10-13 2007-04-18 北京泰美世纪科技有限公司 一种多载波数字卫星广播系统及其数字信息传输方法
WO2010080841A1 (en) * 2009-01-06 2010-07-15 Qualcomm Incorporated Multi-carrier transmission over a single frequency band
CN105978664A (zh) * 2016-06-24 2016-09-28 中国科学院国家空间科学中心 一种用于遥感卫星的高效超高速有效载荷数据传输系统
CN107872268A (zh) * 2016-09-26 2018-04-03 北京大学（天津滨海）新代信息技术研究院 一种用于卫星通信系统消除干扰的方法

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CN113454919B (zh) 2023-01-24

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