IN2014CN04527A - - Google Patents

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Publication number
IN2014CN04527A
IN2014CN04527A IN4527CHN2014A IN2014CN04527A IN 2014CN04527 A IN2014CN04527 A IN 2014CN04527A IN 4527CHN2014 A IN4527CHN2014 A IN 4527CHN2014A IN 2014CN04527 A IN2014CN04527 A IN 2014CN04527A
Authority
IN
India
Prior art keywords
channel
transmission
interest
signal
wireless communications
Prior art date
Application number
Other languages
English (en)
Inventor
Sundar Subramanian
Xinzhou Wu
Junyi Li
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014CN04527A publication Critical patent/IN2014CN04527A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0066—Interference mitigation or co-ordination of narrowband interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • 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
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/003—Arrangements to increase tolerance to errors in transmission or reception timing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
IN4527CHN2014 2012-01-24 2013-01-24 IN2014CN04527A (enExample)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261589911P 2012-01-24 2012-01-24
US201261589976P 2012-01-24 2012-01-24
US13/656,459 US8780964B2 (en) 2012-01-24 2012-10-19 Methods and apparatus for reducing and/or eliminating the effects of self-interference
PCT/US2013/022990 WO2013112735A1 (en) 2012-01-24 2013-01-24 Methods and apparatus for reducing and/or eliminating the effects of self-interference

Publications (1)

Publication Number Publication Date
IN2014CN04527A true IN2014CN04527A (enExample) 2015-09-11

Family

ID=48797213

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4527CHN2014 IN2014CN04527A (enExample) 2012-01-24 2013-01-24

Country Status (7)

Country Link
US (1) US8780964B2 (enExample)
EP (1) EP2807771A1 (enExample)
JP (1) JP5784247B2 (enExample)
KR (1) KR101465648B1 (enExample)
CN (1) CN104067546B (enExample)
IN (1) IN2014CN04527A (enExample)
WO (1) WO2013112735A1 (enExample)

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US8842584B2 (en) 2012-07-13 2014-09-23 At&T Intellectual Property I, L.P. System and method for full duplex cancellation
US8804583B2 (en) 2012-07-13 2014-08-12 At&T Intellectual Property I, L.P. System and method for medium access control enabling both full-duplex and half-duplex communications
US9094196B2 (en) 2012-09-07 2015-07-28 At&T Intellectual Property I, L.P. System and method for full duplex MAC designs based on backoff in frequency domain
US9935785B2 (en) 2012-09-14 2018-04-03 At&T Intellectual Property I, L.P. System and method for full-duplex media access control using Request-to-Send signaling
US8964608B2 (en) * 2013-01-11 2015-02-24 Futurewei Technologies, Inc. Interference cancellation for division free duplexing or full duplex operation
US9270310B2 (en) * 2013-12-30 2016-02-23 Maxlinear, Inc. Interference cancellation in microwave backhaul systems
US9438283B2 (en) * 2014-05-23 2016-09-06 Intel Corporation Baseband time domain cancellation of data bus interference
US9614658B2 (en) * 2014-06-20 2017-04-04 Huawei Technologies Co., Ltd. System and method for radio full duplex
US9705662B2 (en) 2014-08-15 2017-07-11 Huawei Technologies Co., Ltd. System and method for radio full duplex
KR102464370B1 (ko) 2014-09-15 2022-11-09 주식회사 윌러스표준기술연구소 무선 통신 방법 및 무선 통신 단말
DE102014224906A1 (de) * 2014-12-04 2016-06-09 Continental Automotive Gmbh Verfahren zur Übertragung eines Notrufs aus einem Kraftfahrzeug und Nahfeldkommunikationsempfänger
WO2017029765A1 (ja) * 2015-08-20 2017-02-23 富士通株式会社 送信局、受信局、無線通信システムおよび処理方法
WO2018016710A1 (ko) * 2016-07-21 2018-01-25 엘지전자 주식회사 Fdr 모드로 동작하는 상황에서 자기간섭 신호를 제거하기 위한 방법 및 이를 위한 장치
EP3349372B1 (en) * 2017-01-11 2019-12-04 Volkswagen Aktiengesellschaft Method for adjusting the interference level for a wireless communication from a first mobile station to a second mobile station and adapted mobile station for the use in the method and adapted vehicle
CN109861703B (zh) * 2017-11-30 2020-09-18 华为技术有限公司 无线设备及无线局域网信号接收方法
US10819389B2 (en) * 2018-06-29 2020-10-27 Toyota Jidosha Kabushiki Kaisha Reducing adjacent channel interference for wireless vehicular messages
CN109818656B (zh) * 2018-12-13 2022-07-22 北京握奇智能科技有限公司 一种解决obu圈存过程中的信号干扰方法
US11677423B1 (en) 2021-07-23 2023-06-13 T-Mobile Usa, Inc. Interference mitigation in wireless communication using artificial interference signal

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Publication number Priority date Publication date Assignee Title
JP3272940B2 (ja) * 1996-03-07 2002-04-08 ケイディーディーアイ株式会社 スペクトル拡散信号復調装置
JPH10178412A (ja) * 1996-12-19 1998-06-30 Hitachi Ltd スペクトル拡散通信システム
US6795424B1 (en) * 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
JP3875042B2 (ja) 2001-05-25 2007-01-31 株式会社エヌ・ティ・ティ・ドコモ 干渉除去システム及び干渉除去方法
US6771931B2 (en) 2001-06-18 2004-08-03 Intel Corporation Method and an apparatus for passive interference cancellation
US7158559B2 (en) * 2002-01-15 2007-01-02 Tensor Comm, Inc. Serial cancellation receiver design for a coded signal processing engine
US8085889B1 (en) * 2005-04-11 2011-12-27 Rambus Inc. Methods for managing alignment and latency in interference cancellation
KR100606105B1 (ko) * 2003-07-04 2006-07-28 삼성전자주식회사 다중 접속 방식을 사용하는 이동 통신 시스템의 셀 탐색장치 및 방법
JP2005057594A (ja) * 2003-08-06 2005-03-03 Nippon Hoso Kyokai <Nhk> 伝送方法および伝送装置
JP4521633B2 (ja) * 2004-03-12 2010-08-11 直樹 末広 符号分割多重信号の相関分離識別方式
US7848218B2 (en) * 2005-08-19 2010-12-07 Electronics And Telecommunications Research Institute Virtual multi-antenna method for OFDM system and OFDM-based cellular system
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EP2039026B1 (en) 2006-07-12 2017-01-11 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for interference reduction
US20100027608A1 (en) * 2006-09-29 2010-02-04 Paolo Priotti Scrambled multicarrier transmission
US7796698B2 (en) * 2007-06-04 2010-09-14 Telefonaktiebolaget Lm Ericsson (Publ) Interference suppression in a multicarrier receiver
JP5029439B2 (ja) * 2008-03-14 2012-09-19 富士通株式会社 無線通信装置及び干渉除去方法
US8725067B2 (en) 2008-08-14 2014-05-13 Electronics And Telecommunications Research Institute Self-interference cancellation method and apparatus of relay using the same frequency band in OFDM-based radio communication system
US8576965B2 (en) 2009-10-30 2013-11-05 Qualcomm Incorporated Methods and systems for interference cancellation in multi-mode coexistence modems
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US20110128849A1 (en) * 2009-12-02 2011-06-02 Jianlin Guo Signaling for Safety Message Transmission in Vehicular Communication Networks

Also Published As

Publication number Publication date
CN104067546B (zh) 2016-07-27
JP5784247B2 (ja) 2015-09-24
US8780964B2 (en) 2014-07-15
KR101465648B1 (ko) 2014-11-27
JP2015505651A (ja) 2015-02-23
CN104067546A (zh) 2014-09-24
US20130188760A1 (en) 2013-07-25
KR20140115362A (ko) 2014-09-30
EP2807771A1 (en) 2014-12-03
WO2013112735A1 (en) 2013-08-01

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