CN105324942A - 一种自干扰抵消方法及装置 - Google Patents

一种自干扰抵消方法及装置 Download PDF

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Publication number
CN105324942A
CN105324942A CN201380077687.2A CN201380077687A CN105324942A CN 105324942 A CN105324942 A CN 105324942A CN 201380077687 A CN201380077687 A CN 201380077687A CN 105324942 A CN105324942 A CN 105324942A
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signal
amplitude
phase
self
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CN105324942B (zh
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刘晟
余荣道
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

本发明的实施例公开了一种自干扰抵消方法及装置，涉及通信领域，能够解决相位变化剧烈的自干扰信号无法抵消的问题。具体方案为：从发射信号中分离出第一发射信号，根据自干扰信号的幅频特性调整第一发射信号的幅频特性，根据自干扰信号对第一发射信号进行幅相调节，并将自干扰信号与幅相调节后的第一发射信号合并。本发明用于自干扰信号的抵消。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380077687.2A 2013-11-07 2013-11-07 一种自干扰抵消方法及装置 Active CN105324942B (zh)

Applications Claiming Priority (1)

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PCT/CN2013/086706 WO2015066874A1 (zh) 2013-11-07 2013-11-07 一种自干扰抵消方法及装置

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CN105324942A true CN105324942A (zh) 2016-02-10
CN105324942B CN105324942B (zh) 2017-06-06

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EP (1) EP3043483B1 (zh)
CN (1) CN105324942B (zh)
WO (1) WO2015066874A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359897A (zh) * 2017-08-09 2017-11-17 中国电子科技集团公司第三十六研究所 一种宽带差分自干扰抵消器
CN109660271A (zh) * 2018-12-13 2019-04-19 电子科技大学 一种圆极化天线的自干扰模拟对消系统及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015131397A1 (zh) * 2014-03-07 2015-09-11 华为技术有限公司 用于干扰消除的装置和方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101425823A (zh) * 2007-11-01 2009-05-06 西门子公司 自干扰信号消除装置和方法以及射频识别读写器
US20090227213A1 (en) * 2008-03-10 2009-09-10 Arash Sadeghfam Compensation circuit for an rfid-reader unit and rfid reader device
US20120052892A1 (en) * 2010-08-25 2012-03-01 Powerwave Technologies, Inc. Transmit leakage cancellation in a wide bandwidth distributed antenna system
CN202362811U (zh) * 2011-12-02 2012-08-01 江苏军一物联网股份有限公司 一种超高频rfid自干扰消除装置
CN202472702U (zh) * 2012-01-30 2012-10-03 江苏军一物联网股份有限公司 超高频rfid读写器射频前端系统
CN103190090A (zh) * 2010-11-03 2013-07-03 瑞典爱立信有限公司 全双工mimo中继器中的自干扰抑制

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101425823A (zh) * 2007-11-01 2009-05-06 西门子公司 自干扰信号消除装置和方法以及射频识别读写器
US20090227213A1 (en) * 2008-03-10 2009-09-10 Arash Sadeghfam Compensation circuit for an rfid-reader unit and rfid reader device
US20120052892A1 (en) * 2010-08-25 2012-03-01 Powerwave Technologies, Inc. Transmit leakage cancellation in a wide bandwidth distributed antenna system
CN103190090A (zh) * 2010-11-03 2013-07-03 瑞典爱立信有限公司 全双工mimo中继器中的自干扰抑制
CN202362811U (zh) * 2011-12-02 2012-08-01 江苏军一物联网股份有限公司 一种超高频rfid自干扰消除装置
CN202472702U (zh) * 2012-01-30 2012-10-03 江苏军一物联网股份有限公司 超高频rfid读写器射频前端系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107359897A (zh) * 2017-08-09 2017-11-17 中国电子科技集团公司第三十六研究所 一种宽带差分自干扰抵消器
CN107359897B (zh) * 2017-08-09 2019-09-27 中国电子科技集团公司第三十六研究所 一种宽带差分自干扰抵消器
CN109660271A (zh) * 2018-12-13 2019-04-19 电子科技大学 一种圆极化天线的自干扰模拟对消系统及方法
CN109660271B (zh) * 2018-12-13 2020-04-07 电子科技大学 一种圆极化天线的自干扰模拟对消系统及方法

Also Published As

Publication number Publication date
EP3043483B1 (en) 2020-01-01
CN105324942B (zh) 2017-06-06
EP3043483A1 (en) 2016-07-13
EP3043483A4 (en) 2016-09-28
WO2015066874A1 (zh) 2015-05-14

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