HK1132102A1 - Method and system for filtering radiofrequency signal - Google Patents

Method and system for filtering radiofrequency signal

Info

Publication number
HK1132102A1
HK1132102A1 HK09109850.1A HK09109850A HK1132102A1 HK 1132102 A1 HK1132102 A1 HK 1132102A1 HK 09109850 A HK09109850 A HK 09109850A HK 1132102 A1 HK1132102 A1 HK 1132102A1
Authority
HK
Hong Kong
Prior art keywords
radiofrequency signal
filtering radiofrequency
filtering
signal
radiofrequency
Prior art date
Application number
HK09109850.1A
Other languages
English (en)
Inventor
Hooman Darabi
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Publication of HK1132102A1 publication Critical patent/HK1132102A1/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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
    • 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
    • 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
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
HK09109850.1A 2007-10-31 2009-10-23 Method and system for filtering radiofrequency signal HK1132102A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/931,438 US7904047B2 (en) 2007-10-31 2007-10-31 Radio frequency filtering technique with auto calibrated stop-band rejection

Publications (1)

Publication Number Publication Date
HK1132102A1 true HK1132102A1 (en) 2010-02-12

Family

ID=40262941

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09109850.1A HK1132102A1 (en) 2007-10-31 2009-10-23 Method and system for filtering radiofrequency signal

Country Status (6)

Country Link
US (1) US7904047B2 (xx)
EP (1) EP2056481B1 (xx)
KR (1) KR101000991B1 (xx)
CN (1) CN101431342B (xx)
HK (1) HK1132102A1 (xx)
TW (1) TWI393357B (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8285241B2 (en) * 2009-07-30 2012-10-09 Broadcom Corporation Receiver apparatus having filters implemented using frequency translation techniques
US8862088B2 (en) 2009-09-22 2014-10-14 Nokia Corporation Adjustable circuit architecture
US9130642B2 (en) 2010-03-18 2015-09-08 Mediatek Inc. Frequency-selective circuit with mixer module implemented for controlling frequency response, and related signal processing apparatus and method
US9806790B2 (en) 2010-03-29 2017-10-31 Odyssey Wireless, Inc. Systems/methods of spectrally efficient communications
WO2012030658A2 (en) 2010-08-30 2012-03-08 Physical Devices Llc Tunable filter devices and methods
US9042857B2 (en) 2010-08-30 2015-05-26 Physical Devices, Llc Methods, systems, and non-transitory computer readable media for wideband frequency and bandwidth tunable filtering
US8666347B2 (en) 2010-10-14 2014-03-04 Physical Devices, Llc Methods and devices for reducing radio frequency interference
EP2766999A4 (en) * 2011-10-13 2015-10-28 Physical Devices Llc NON-TRANSIENT COMPUTER-READABLE METHODS, SYSTEMS, AND MEDIA FOR FREQUENCY AND BANDWIDTH-WIDE BANDWIDTH FILTRATION
US9519062B2 (en) 2012-02-28 2016-12-13 Physical Devices, Llc Methods, systems, and computer readable media for mitigation of in-band interference of global positioning system (GPS) signals
CN103457618B (zh) * 2012-05-30 2015-08-12 联芯科技有限公司 射频芯片前端系统及其信号处理方法
EP2946470A4 (en) * 2013-01-18 2016-10-26 Physical Devices Llc METHODS, SYSTEMS, AND TRANSITION-FREE COMPUTER-READABLE MEDIA FOR BROADBAND FREQUENCIES AND FILTRATION WITH ADJUSTABLE BANDWIDTH
US20150244431A1 (en) 2014-02-21 2015-08-27 Physical Devices, Llc Devices and methods for diversity signal enhancement and cosite cancellation
US9374114B2 (en) 2014-04-15 2016-06-21 Mediatek Inc. Receiver apparatus with blocker detection path parallel with receiver path and associated blocker detection method
US9729179B1 (en) * 2016-06-23 2017-08-08 Qualcomm Incorporated Feed-forward interference cancellation in a receiver
WO2021167905A1 (en) * 2020-02-17 2021-08-26 Sam Belkin Dynamically tunable radio frequency filter and applications

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191926A (en) * 1977-09-16 1980-03-04 Communications Satellite Corporation Method and apparatus for interference cancellation at base-band using multiplication of the desired interfering carriers
DE3516492A1 (de) * 1985-05-08 1986-11-13 Standard Elektrik Lorenz Ag, 7000 Stuttgart Funkempfaenger
US4908581A (en) * 1988-07-21 1990-03-13 Matsushita Electric Industrial Co., Ltd. Frequency demodulator having circuit cancelling undesired signal components
US5694395A (en) * 1994-09-30 1997-12-02 Lucent Technologies, Inc. Method and apparatus for processing multicarrier signals
DE69609850T2 (de) * 1995-10-10 2000-12-21 Nortel Networks Corp Gleichkanalstörungsreduktion
US5778310A (en) * 1995-11-30 1998-07-07 Northern Telecom Limited Co-channel interference reduction
US6625436B1 (en) * 1998-10-09 2003-09-23 Nec Corporation Radio receivers
US7139543B2 (en) * 2002-02-01 2006-11-21 Qualcomm Incorporated Distortion reduction in a wireless communication device
US7295816B2 (en) * 2003-06-30 2007-11-13 Crestcom, Inc. Methods and apparatus for controlling signals
US20060009185A1 (en) * 2004-07-08 2006-01-12 Khosro Shamsaifar Method and apparatus capable of interference cancellation
US7512392B2 (en) * 2004-08-12 2009-03-31 Skyworks Solutions, Inc. System for adaptively filtering a received signal in a wireless receiver
KR100764437B1 (ko) * 2006-02-17 2007-10-05 삼성전기주식회사 전화신호 제거 회로, 디지털 방송 수신 회로 및 휴대용디지털 방송 수신기
US7551910B2 (en) * 2006-05-15 2009-06-23 Broadcom Corporation Translation and filtering techniques for wireless receivers
US8135348B2 (en) * 2007-03-27 2012-03-13 Qualcomm, Incorporated Rejection of transmit signal leakage in wireless communication device

Also Published As

Publication number Publication date
EP2056481A3 (en) 2011-11-16
CN101431342A (zh) 2009-05-13
US7904047B2 (en) 2011-03-08
EP2056481B1 (en) 2016-12-28
KR20090045086A (ko) 2009-05-07
EP2056481A2 (en) 2009-05-06
TW200939647A (en) 2009-09-16
TWI393357B (zh) 2013-04-11
KR101000991B1 (ko) 2010-12-13
CN101431342B (zh) 2012-07-18
US20090111418A1 (en) 2009-04-30

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20171030