WO2015021481A3 - Self-interference cancellation - Google Patents

Self-interference cancellation Download PDF

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Publication number
WO2015021481A3
WO2015021481A3 PCT/US2014/050584 US2014050584W WO2015021481A3 WO 2015021481 A3 WO2015021481 A3 WO 2015021481A3 US 2014050584 W US2014050584 W US 2014050584W WO 2015021481 A3 WO2015021481 A3 WO 2015021481A3
Authority
WO
WIPO (PCT)
Prior art keywords
self
signal
multitude
samples
frequency response
Prior art date
Application number
PCT/US2014/050584
Other languages
French (fr)
Other versions
WO2015021481A2 (en
Inventor
Dinesh BHARADIA
Sachin Katti
Emily McMilin
Original Assignee
The Board Of Trustees Of The Leland Stanford Junior University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The Board Of Trustees Of The Leland Stanford Junior University filed Critical The Board Of Trustees Of The Leland Stanford Junior University
Publication of WO2015021481A2 publication Critical patent/WO2015021481A2/en
Publication of WO2015021481A3 publication Critical patent/WO2015021481A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1461—Suppression of signals in the return path, i.e. bidirectional control circuits
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)

Abstract

A wireless communication device includes, in part, an analog interference cancellation circuit and a controller. The analog cancellation circuit includes a multitude of delay paths each including a delay element and a variable attenuator. The controller dynamically varies the attenuation level of each of the variable attenuators in accordance with the frequency response characteristic of that attenuator to remove a portion of a self-interference signal present in a signal received by the device. The device measures the frequency response characteristic of the communication channel, used in determining the attenuation levels, via one or more preamble symbols. A second portion of the self-interference signal is removed by the device using a multitude of samples of a transmitted signal and a multitude of samples of a signal to be transmitted.
PCT/US2014/050584 2013-08-09 2014-08-11 Self-interference cancellation WO2015021481A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361864492P 2013-08-09 2013-08-09
US61/864,492 2013-08-09

Publications (2)

Publication Number Publication Date
WO2015021481A2 WO2015021481A2 (en) 2015-02-12
WO2015021481A3 true WO2015021481A3 (en) 2015-03-26

Family

ID=52462063

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/050584 WO2015021481A2 (en) 2013-08-09 2014-08-11 Self-interference cancellation

Country Status (1)

Country Link
WO (1) WO2015021481A2 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10284356B2 (en) 2011-02-03 2019-05-07 The Board Of Trustees Of The Leland Stanford Junior University Self-interference cancellation
US10230419B2 (en) 2011-02-03 2019-03-12 The Board Of Trustees Of The Leland Stanford Junior University Adaptive techniques for full duplex communications
US10243719B2 (en) 2011-11-09 2019-03-26 The Board Of Trustees Of The Leland Stanford Junior University Self-interference cancellation for MIMO radios
US9325432B2 (en) 2012-02-08 2016-04-26 The Board Of Trustees Of The Leland Stanford Junior University Systems and methods for full-duplex signal shaping
US11163050B2 (en) 2013-08-09 2021-11-02 The Board Of Trustees Of The Leland Stanford Junior University Backscatter estimation using progressive self interference cancellation
WO2015168700A1 (en) 2014-05-02 2015-11-05 The Board Of Trustees Of The Leland Stanford Junior University Method and apparatus for tracing motion using radio frequency signals
FR3046513A1 (en) 2016-01-04 2017-07-07 Commissariat Energie Atomique IBFD RECEIVER TRANSMITTER WITH NON-RECIPROCA FREQUENCY TRANSPOSITION MODULE
US10338205B2 (en) 2016-08-12 2019-07-02 The Board Of Trustees Of The Leland Stanford Junior University Backscatter communication among commodity WiFi radios
US10393859B2 (en) 2016-10-17 2019-08-27 Raytheon Company System and method for adaptive simultaneous transmit and receive leakage cancellation
WO2018081319A1 (en) 2016-10-25 2018-05-03 The Board Of Trustees Of The Leland Stanford Junior University Backscattering ambient ism band signals
US10714828B2 (en) * 2017-02-27 2020-07-14 Raytheon Company Microwave analog cancellation for in-aperture simultaneous transmit and receive
US10904042B2 (en) 2017-09-29 2021-01-26 Tektronix, Inc. Passive variable continuous time linear equalizer with attenuation and frequency control
JP2019146163A (en) * 2018-02-05 2019-08-29 テクトロニクス・インコーポレイテッドＴｅｋｔｒｏｎｉｘ，Ｉｎｃ． Noise filter and noise reduction method
US11792833B2 (en) * 2019-05-14 2023-10-17 Qualcomm Incorporated Analog phased-array repeaters with digitally-assisted frequency translation and phase adjustment
CN113746494B (en) * 2020-05-15 2022-10-18 华为技术有限公司 Echo cancellation method and transceiver
US11424900B2 (en) * 2020-10-07 2022-08-23 Apple Inc. Leakage and noise cancelling for double balanced duplexers
US11982751B2 (en) 2020-11-24 2024-05-14 Honeywell International Inc. GNSS anti-jamming using interference cancellation
CN113691990A (en) * 2021-07-16 2021-11-23 德清阿尔法创新研究院 Heterogeneous network intelligent coexistence method based on signal-to-noise ratio redundancy and interference elimination technology
WO2023012369A1 (en) * 2021-08-06 2023-02-09 Technological University Dublin Interference cancellation system for wireless communication networks
CN115065374A (en) * 2022-04-27 2022-09-16 深圳市国电科技通信有限公司 Power line carrier communication transceiver and power line carrier communication system
CN116647250B (en) * 2023-06-29 2024-05-10 电子科技大学 Subarray-level same-frequency full-duplex array antenna radio frequency domain broadband self-interference signal cancellation method
CN117220714B (en) * 2023-11-09 2024-01-26 成都信息工程大学 Self-interference combined suppression method and device suitable for full duplex communication

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050129152A1 (en) * 2003-12-15 2005-06-16 Hillstrom Timothy L. Method and sytem for noise reduction in measurement receivers using automatic noise subtraction
US20090047914A1 (en) * 2003-05-27 2009-02-19 Interdigital Technology Corporation Multi-mode radio with interference cancellation circuit
US20100014600A1 (en) * 2008-07-18 2010-01-21 Advanced Micro Devices, Inc. Window position optimization for pilot-aided ofdm system
US20110268232A1 (en) * 2010-05-03 2011-11-03 Chester Park Inter-carrier bandwidth control for mitigating iq imbalance
US20110319044A1 (en) * 2010-06-28 2011-12-29 Itt Manufacturing Enterprises, Inc. (A Subsidiary Of Itt Corporation) Adaptive cancellation of multi-path interferences
US20120154249A1 (en) * 2010-12-13 2012-06-21 Nec Laboratories America, Inc. Method for antenna cancellation for wireless communication
US20120201153A1 (en) * 2011-02-03 2012-08-09 Dinesh Bharadia Adaptive techniques for full duplex communications

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090047914A1 (en) * 2003-05-27 2009-02-19 Interdigital Technology Corporation Multi-mode radio with interference cancellation circuit
US20050129152A1 (en) * 2003-12-15 2005-06-16 Hillstrom Timothy L. Method and sytem for noise reduction in measurement receivers using automatic noise subtraction
US20100014600A1 (en) * 2008-07-18 2010-01-21 Advanced Micro Devices, Inc. Window position optimization for pilot-aided ofdm system
US20110268232A1 (en) * 2010-05-03 2011-11-03 Chester Park Inter-carrier bandwidth control for mitigating iq imbalance
US20110319044A1 (en) * 2010-06-28 2011-12-29 Itt Manufacturing Enterprises, Inc. (A Subsidiary Of Itt Corporation) Adaptive cancellation of multi-path interferences
US20120154249A1 (en) * 2010-12-13 2012-06-21 Nec Laboratories America, Inc. Method for antenna cancellation for wireless communication
US20120201153A1 (en) * 2011-02-03 2012-08-09 Dinesh Bharadia Adaptive techniques for full duplex communications

Also Published As

Publication number Publication date
WO2015021481A2 (en) 2015-02-12

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