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 PDFInfo
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- 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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- 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
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- 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)
- 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/CN2013/086706 WO2015066874A1 (zh) | 2013-11-07 | 2013-11-07 | 一种自干扰抵消方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN105324942A true CN105324942A (zh) | 2016-02-10 |
CN105324942B CN105324942B (zh) | 2017-06-06 |
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ID=53040776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201380077687.2A Active CN105324942B (zh) | 2013-11-07 | 2013-11-07 | 一种自干扰抵消方法及装置 |
Country Status (3)
Country | Link |
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EP (1) | EP3043483B1 (zh) |
CN (1) | CN105324942B (zh) |
WO (1) | WO2015066874A1 (zh) |
Cited By (2)
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)
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)
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 |
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2013
- 2013-11-07 WO PCT/CN2013/086706 patent/WO2015066874A1/zh active Application Filing
- 2013-11-07 CN CN201380077687.2A patent/CN105324942B/zh active Active
- 2013-11-07 EP EP13897204.7A patent/EP3043483B1/en active Active
Patent Citations (6)
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)
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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