HK1148877A1 - Receiver second order intermodulation correction system and method - Google Patents

Receiver second order intermodulation correction system and method

Info

Publication number
HK1148877A1
HK1148877A1 HK11102832.5A HK11102832A HK1148877A1 HK 1148877 A1 HK1148877 A1 HK 1148877A1 HK 11102832 A HK11102832 A HK 11102832A HK 1148877 A1 HK1148877 A1 HK 1148877A1
Authority
HK
Hong Kong
Prior art keywords
receiver
correction system
order intermodulation
intermodulation correction
order
Prior art date
Application number
HK11102832.5A
Other languages
English (en)
Inventor
Alyosha Molnar
Morten Damgaard
Geoff Hatcher
Kenneth Chai-En Wu
Original Assignee
Axiom Microdevices 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 Axiom Microdevices Inc filed Critical Axiom Microdevices Inc
Publication of HK1148877A1 publication Critical patent/HK1148877A1/xx

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
HK11102832.5A 2008-01-15 2011-03-22 Receiver second order intermodulation correction system and method HK1148877A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/008,888 US8032102B2 (en) 2008-01-15 2008-01-15 Receiver second order intermodulation correction system and method
PCT/US2009/031108 WO2009091892A2 (fr) 2008-01-15 2009-01-15 Système et procédé de correction d'intermodulation du second ordre d'un récepteur

Publications (1)

Publication Number Publication Date
HK1148877A1 true HK1148877A1 (en) 2011-09-16

Family

ID=40851071

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11102832.5A HK1148877A1 (en) 2008-01-15 2011-03-22 Receiver second order intermodulation correction system and method

Country Status (6)

Country Link
US (2) US8032102B2 (fr)
EP (1) EP2232714B1 (fr)
KR (1) KR101599083B1 (fr)
CN (1) CN101971507B (fr)
HK (1) HK1148877A1 (fr)
WO (1) WO2009091892A2 (fr)

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US7421260B2 (en) * 2004-10-29 2008-09-02 Broadcom Corporation Method and system for a second order input intercept point (IIP2) correction
EP2302813A1 (fr) * 2009-09-28 2011-03-30 Nxp B.V. Suppression des harmoniques
JP5334318B2 (ja) * 2009-11-30 2013-11-06 ルネサスエレクトロニクス株式会社 通信用半導体集積回路およびその動作方法
US9002310B2 (en) * 2010-09-28 2015-04-07 Intel Mobile Communications GmbH IP2 calibration methods and techniques
US20120311006A1 (en) * 2011-05-31 2012-12-06 Juei-Chao Chen Method for improving computation speed of cross-covariance function and autocovariance function for computer hardware
US8577298B2 (en) * 2011-06-20 2013-11-05 Lockheed Martin Corporation Multi-element magnetic receiver for interference suppression and signal enhancement
US8843082B2 (en) * 2012-02-14 2014-09-23 Intel Mobile Communications GmbH Cancellation of RF second-order intermodulation distortion
US8744363B2 (en) * 2012-02-14 2014-06-03 Intel Mobile Communications GmbH Cancellation of RF second-order intermodulation distortion
US9826263B2 (en) 2014-10-22 2017-11-21 Arcom Digital, Llc Detecting CPD in HFC network with OFDM signals
CN107210709A (zh) 2014-12-30 2017-09-26 天工方案公司 在射频设备中的集成cmos 发送/接收开关
US9998158B2 (en) 2015-05-27 2018-06-12 Finesse Wireless, Inc. Cancellation of spurious intermodulation products produced in nonlinear channels by frequency hopped signals and spurious signals
US9590668B1 (en) 2015-11-30 2017-03-07 NanoSemi Technologies Digital compensator
US10181828B2 (en) 2016-06-29 2019-01-15 Skyworks Solutions, Inc. Active cross-band isolation for a transformer-based power amplifier
KR102483640B1 (ko) 2016-07-04 2023-01-02 삼성전자주식회사 주파수 보정 방법 및 장치
KR101868848B1 (ko) * 2016-11-14 2018-06-27 주식회사 에이스테크놀로지 혼 변조 신호 제거 장치
KR20190121825A (ko) 2017-02-25 2019-10-28 나노세미, 인크. 멀티밴드 디지털 전치왜곡기
US10141961B1 (en) * 2017-05-18 2018-11-27 Nanosemi, Inc. Passive intermodulation cancellation
US10931318B2 (en) 2017-06-09 2021-02-23 Nanosemi, Inc. Subsampled linearization system
US11115067B2 (en) 2017-06-09 2021-09-07 Nanosemi, Inc. Multi-band linearization system
WO2019014422A1 (fr) 2017-07-12 2019-01-17 Nanosemi, Inc. Systèmes et procédés de contrôle de radios réalisées avec une prédistorsion numérique
US11303251B2 (en) 2017-10-02 2022-04-12 Nanosemi, Inc. Digital predistortion adjustment based on determination of load condition characteristics
US10333616B1 (en) 2018-01-17 2019-06-25 Arcom Digital, Llc Detecting burst PIM in downstream at drop
US10644657B1 (en) 2018-05-11 2020-05-05 Nanosemi, Inc. Multi-band digital compensator for a non-linear system
US11863210B2 (en) 2018-05-25 2024-01-02 Nanosemi, Inc. Linearization with level tracking
US10931238B2 (en) 2018-05-25 2021-02-23 Nanosemi, Inc. Linearization with envelope tracking or average power tracking
US10763904B2 (en) 2018-05-25 2020-09-01 Nanosemi, Inc. Digital predistortion in varying operating conditions
US10992326B1 (en) 2020-05-19 2021-04-27 Nanosemi, Inc. Buffer management for adaptive digital predistortion
CN115801029B (zh) * 2023-02-08 2023-04-18 北京智联安科技有限公司 消除零中频接收机的im2信号的方法、装置及介质

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US4383334A (en) * 1981-06-12 1983-05-10 Motorola, Inc. Intermodulation cancelling mixer
US5749051A (en) 1996-07-18 1998-05-05 Ericsson Inc. Compensation for second order intermodulation in a homodyne receiver
AUPP261898A0 (en) * 1998-03-27 1998-04-23 Victoria University Of Technology Dc offset and im2 removal in direct conversion receivers
DE69925259T2 (de) 1999-06-30 2006-02-23 Siemens Ag Empfänger mit rückkopplungsschaltung für die verstärkungregelung
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US6535725B2 (en) 2001-03-30 2003-03-18 Skyworks Solutions, Inc. Interference reduction for direct conversion receivers
US7346134B2 (en) 2001-05-15 2008-03-18 Finesse Wireless, Inc. Radio receiver
US7657241B2 (en) * 2002-02-01 2010-02-02 Qualcomm, Incorporated Distortion reduction calibration
US7130342B2 (en) * 2002-12-27 2006-10-31 Motorola, Inc. Wireless receiver and method employing forward/backward recursive covariance based filter coefficient generation
US6950641B2 (en) * 2003-01-31 2005-09-27 Nokia Corporation Apparatus, and an associated method, for increasing receiver sensitivity of a direct conversion receiver
TWI345369B (en) * 2004-01-28 2011-07-11 Mediatek Inc High dynamic range time-varying integrated receiver for elimination of off-chip filters
KR20050108167A (ko) * 2004-05-11 2005-11-16 삼성전자주식회사 이동통신 시스템에서 전력 증폭기의 옵셋 보상 장치 및 방법
US8170487B2 (en) * 2006-02-03 2012-05-01 Qualcomm, Incorporated Baseband transmitter self-jamming and intermodulation cancellation device
US7876867B2 (en) * 2006-08-08 2011-01-25 Qualcomm Incorporated Intermodulation distortion detection and mitigation
US7773967B2 (en) * 2007-09-06 2010-08-10 Francis J. Smith Multi-mode—multi-band direct conversion receiver with complex I and Q channel interference mitigation processing for cancellation of intermodulation products

Also Published As

Publication number Publication date
WO2009091892A2 (fr) 2009-07-23
EP2232714A4 (fr) 2014-08-06
US20120027137A1 (en) 2012-02-02
EP2232714B1 (fr) 2018-10-24
US20090181633A1 (en) 2009-07-16
US8285239B2 (en) 2012-10-09
CN101971507A (zh) 2011-02-09
US8032102B2 (en) 2011-10-04
KR20100102713A (ko) 2010-09-24
KR101599083B1 (ko) 2016-03-02
WO2009091892A3 (fr) 2009-09-11
EP2232714A2 (fr) 2010-09-29
CN101971507B (zh) 2013-10-02

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