TW201130241A - Wireless communication unit, integrated circuit for a wireless communication unit, method for reducing a second order inter-modulation distortion component in a wireless communication unit - Google Patents

Wireless communication unit, integrated circuit for a wireless communication unit, method for reducing a second order inter-modulation distortion component in a wireless communication unit

Info

Publication number
TW201130241A
TW201130241A TW099129456A TW99129456A TW201130241A TW 201130241 A TW201130241 A TW 201130241A TW 099129456 A TW099129456 A TW 099129456A TW 99129456 A TW99129456 A TW 99129456A TW 201130241 A TW201130241 A TW 201130241A
Authority
TW
Taiwan
Prior art keywords
wireless communication
communication unit
signal
reducing
integrated circuit
Prior art date
Application number
TW099129456A
Other languages
English (en)
Inventor
Patrick Pratt
William Plumb
Sophie Gault
Pei-Shiun Chung
Original Assignee
Mediatek Singapore Pte Ltd
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 Mediatek Singapore Pte Ltd filed Critical Mediatek Singapore Pte Ltd
Publication of TW201130241A publication Critical patent/TW201130241A/zh

Links

Classifications

    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
TW099129456A 2010-02-11 2010-09-01 Wireless communication unit, integrated circuit for a wireless communication unit, method for reducing a second order inter-modulation distortion component in a wireless communication unit TW201130241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/704,499 US8320866B2 (en) 2010-02-11 2010-02-11 Integrated circuits, communication units and methods of cancellation of intermodulation distortion

Publications (1)

Publication Number Publication Date
TW201130241A true TW201130241A (en) 2011-09-01

Family

ID=44354096

Family Applications (1)

Application Number Title Priority Date Filing Date
TW099129456A TW201130241A (en) 2010-02-11 2010-09-01 Wireless communication unit, integrated circuit for a wireless communication unit, method for reducing a second order inter-modulation distortion component in a wireless communication unit

Country Status (6)

Country Link
US (1) US8320866B2 (zh)
EP (1) EP2471186B1 (zh)
JP (1) JP5524345B2 (zh)
CN (1) CN102771054B (zh)
TW (1) TW201130241A (zh)
WO (1) WO2011097848A1 (zh)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
CN104202279A (zh) 2006-12-26 2014-12-10 大力系统有限公司 用于多信道宽带通信系统中的基带预失真线性化的方法和系统
US8130880B1 (en) 2007-05-23 2012-03-06 Hypress, Inc. Wideband digital spectrometer
US9548775B2 (en) * 2007-09-06 2017-01-17 Francis J. Smith Mitigation of transmitter passive and active intermodulation products in real and continuous time in the transmitter and co-located receiver
US8249540B1 (en) 2008-08-07 2012-08-21 Hypres, Inc. Two stage radio frequency interference cancellation system and method
US8331508B2 (en) * 2010-07-14 2012-12-11 Applied Micro Circuits Corporation Narrowband interference cancellation method and circuit
JP5286333B2 (ja) * 2010-08-06 2013-09-11 株式会社東芝 無線装置
CN103180844B (zh) 2010-08-17 2017-10-03 大力系统有限公司 用于分布式天线系统的中性主机架构
CN105141513B (zh) 2010-09-14 2018-12-14 大力系统有限公司 操作分布式天线系统的方法和在该系统中进行通信的方法
JP2012089995A (ja) * 2010-10-18 2012-05-10 Hitachi Media Electoronics Co Ltd 移動通信端末用モジュール、及び移動通信端末
US8655282B2 (en) * 2010-10-29 2014-02-18 Qualcomm Incorporated Multiple signal transformation in wireless receivers
KR101873754B1 (ko) * 2011-11-25 2018-07-04 한국전자통신연구원 고주파 수신기
US20130155911A1 (en) * 2011-12-16 2013-06-20 Broadcom Corporation Radio Transceiver With IM2 Mitigation
US9116187B1 (en) 2011-12-23 2015-08-25 Keysight Technologies, Inc. System and method for measuring signal distortion
US8744363B2 (en) * 2012-02-14 2014-06-03 Intel Mobile Communications GmbH Cancellation of RF second-order intermodulation distortion
US8843082B2 (en) 2012-02-14 2014-09-23 Intel Mobile Communications GmbH Cancellation of RF second-order intermodulation distortion
CN103248392B (zh) * 2012-02-14 2015-12-23 英特尔移动通信有限责任公司 用于消除rf二阶互调失真的收发器系统和方法
US8995932B2 (en) 2013-01-04 2015-03-31 Telefonaktiebolaget L M Ericsson (Publ) Transmitter noise suppression in receiver
US9077440B2 (en) 2013-01-04 2015-07-07 Telefonaktiebolaget L M Ericsson (Publ) Digital suppression of transmitter intermodulation in receiver
US9831898B2 (en) 2013-03-13 2017-11-28 Analog Devices Global Radio frequency transmitter noise cancellation
EP2779561B1 (en) * 2013-03-15 2019-03-13 BlackBerry Limited Estimation and reduction of second order distortion in real time
US9197279B2 (en) 2013-03-15 2015-11-24 Blackberry Limited Estimation and reduction of second order distortion in real time
US9160386B2 (en) * 2013-04-05 2015-10-13 Qualcomm Incorporated Non-linear interference cancellation across aggressor transmitters and victim receivers
US9444559B2 (en) * 2013-06-03 2016-09-13 Futurewei Technologies, Inc. Second order intercept point (IP2) calibration for wireless receivers
US9461698B2 (en) 2013-11-27 2016-10-04 Harris Corporation Communications device with simultaneous transmit and receive and related methods
EP2903171B1 (en) * 2014-01-30 2019-08-28 Analog Devices Global Unlimited Company Transmitter noise cancellation in a multi transmitter-receiver system
US10128879B2 (en) * 2014-03-31 2018-11-13 Intel IP Corporation Enhanced receive sensitivity for concurrent communications
US9735741B2 (en) * 2014-08-28 2017-08-15 Analog Devices Global Receivers for digital predistortion
US9912358B2 (en) 2015-03-20 2018-03-06 Analog Devices Global Method of and apparatus for transmit noise reduction at a receiver
CN106716851B (zh) * 2015-05-30 2020-02-14 华为技术有限公司 干扰信号抵消装置及方法
US10277381B2 (en) * 2016-01-09 2019-04-30 Huawei Technologies Co., Ltd. Receiver path distortion mitigation using adaptive filter feedback
US10317528B2 (en) * 2016-03-03 2019-06-11 Microchip Technology Incorporated Core independent ultrasonic proximity sensing peripheral
CN110249540B (zh) * 2016-12-22 2023-04-28 史密斯互连股份有限公司 完全集成的射频终端系统
US10172143B2 (en) * 2017-02-06 2019-01-01 Intel Corporation Second order intermodulation cancelation for RF transceivers
US10587349B2 (en) * 2017-03-30 2020-03-10 Apple Inc. Frequency domain based digital cancellation of modulated spur interference in LTE-CA transceivers
US10469187B2 (en) * 2017-08-16 2019-11-05 Keysight Technologies, Inc. Systems and methods for detecting passive inter-modulation (PIM) interference in cellular networks
CN109660270A (zh) * 2018-11-21 2019-04-19 惠州Tcl移动通信有限公司 一种降低sglte耦合灵敏度劣化的方法及移动终端
JP2023003777A (ja) * 2021-06-24 2023-01-17 東芝テック株式会社 通信装置
CN115955258B (zh) * 2023-03-13 2023-05-30 中国人民解放军国防科技大学 一种基于参考波形的导航信号收发隔离自适应对消方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749051A (en) * 1996-07-18 1998-05-05 Ericsson Inc. Compensation for second order intermodulation in a homodyne receiver
US6704349B1 (en) * 2000-01-18 2004-03-09 Ditrans Corporation Method and apparatus for canceling a transmit signal spectrum in a receiver bandwidth
US6496064B2 (en) * 2000-08-15 2002-12-17 Eugene Rzyski Intermodulation product cancellation circuit
US7043208B2 (en) * 2002-10-15 2006-05-09 Motorola, Inc. Method and apparatus to reduce interference in a communication device
US7215972B2 (en) * 2003-12-09 2007-05-08 Freescale Semiconductor, Inc. Adaptive transmit power control system
JP4505238B2 (ja) * 2004-02-25 2010-07-21 株式会社日立国際電気 歪補償回路
KR100643608B1 (ko) * 2005-08-17 2006-11-10 삼성전자주식회사 고주파 수신 칩의 자동교정회로 및 방법
US8170487B2 (en) * 2006-02-03 2012-05-01 Qualcomm, Incorporated Baseband transmitter self-jamming and intermodulation cancellation device
EP1835630A1 (fr) * 2006-03-17 2007-09-19 STMicroelectronics N.V. Procédé de minimisation de la fuite de signal dans un système du type à transmission bi-directionnelle simultanée, et dispositif correspondant
US8098779B2 (en) * 2006-08-08 2012-01-17 Qualcomm Incorporated Interference detection and mitigation
US7876867B2 (en) * 2006-08-08 2011-01-25 Qualcomm Incorporated Intermodulation distortion detection and mitigation
EP2127100A4 (en) 2007-03-21 2012-07-25 Skyworks Solutions Inc LMS-ADAPTIVE FILTER FOR DIGITAL SUPPRESSION OF SECOND ORDERED BY SENDER LEAKAGE INTERMODULATIONS
JP2009194639A (ja) * 2008-02-14 2009-08-27 Panasonic Corp 通信装置
US8060043B2 (en) * 2008-10-09 2011-11-15 Freescale Semiconductor Adaptive IIP2 calibration

Also Published As

Publication number Publication date
EP2471186A1 (en) 2012-07-04
EP2471186B1 (en) 2018-03-07
US8320866B2 (en) 2012-11-27
JP5524345B2 (ja) 2014-06-18
EP2471186A4 (en) 2015-12-02
CN102771054B (zh) 2015-12-16
US20110195673A1 (en) 2011-08-11
WO2011097848A1 (en) 2011-08-18
JP2013511230A (ja) 2013-03-28
CN102771054A (zh) 2012-11-07

Similar Documents

Publication Publication Date Title
TW201130241A (en) Wireless communication unit, integrated circuit for a wireless communication unit, method for reducing a second order inter-modulation distortion component in a wireless communication unit
TW201130268A (en) Integrated circuits, communication units and methods of cancellation of intermodulation distortion
WO2011034340A3 (ko) 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
WO2010019017A3 (ko) Ofdm 기반 무선통신 시스템에서 동일 주파수 릴레이 및 리피터의 자기간섭 제거 방법 및 그 장치
WO2012005476A3 (ko) 송신장치 및 그 통신방법, 수신장치, 그 통신방법
WO2013015664A3 (en) Apparatus and method for combining baseband processing and radio frequency beam steering in a wireless communication system
WO2011115421A3 (en) Method and apparatus for providing channel state information-reference signal (csi-rs) configuration information in a wireless communication system supporting multiple antennas
WO2012110930A3 (en) Satellite receiver with interfering signal cancellation
MX340365B (es) Diversidad de antena mrc para señales digitales fm iboc.
WO2011046413A3 (ko) 중계기를 지원하는 무선 통신 시스템에서 다중 사용자 mimo 참조신호를 전송하는 방법 및 장치
EP2290827A3 (en) Wireless transmission system, wireless communication device, and wireless communication method
WO2009093233A3 (en) Beamforming in mimo communication systems
WO2008150534A3 (en) Short range booster and methods for boosting with multiple antennas
WO2008093101A3 (en) Basestation for cellular communication system
WO2010087645A3 (en) Method and apparatus for receiving and transmitting signals in wireless communication system
WO2010075190A3 (en) Rf front-end module and antenna systems
WO2012166907A3 (en) Mobile communications devices and methods having reduced communication latency
WO2012027703A3 (en) Tunable radio front end and methods
EP2541763A4 (en) POLARIZATION CIRCUIT, LNA, LNB, COMMUNICATION RECEIVER, COMMUNICATION TRANSMITTER, AND DETECTION SYSTEM
WO2011021814A3 (ko) 무선통신시스템에서 데이터 송수신 방법 및 시스템
WO2010079933A3 (en) Method of cooperative transmission
WO2011120031A3 (en) Method and apparatus to adjust received signal
WO2008099807A1 (ja) 基地局装置、移動局、無線通信システム及び通信制御方法
WO2010047505A3 (ko) 액티브 안테나를 이용한 안테나 다이버시티 시스템
WO2011120349A9 (en) Wireless communication apparatus with an antenna shared between a plurality of communication circuits