DE69714241T2 - Schaltung zur digitalen hf-interferenzunterdrückung - Google Patents

Schaltung zur digitalen hf-interferenzunterdrückung

Info

Publication number
DE69714241T2
DE69714241T2 DE69714241T DE69714241T DE69714241T2 DE 69714241 T2 DE69714241 T2 DE 69714241T2 DE 69714241 T DE69714241 T DE 69714241T DE 69714241 T DE69714241 T DE 69714241T DE 69714241 T2 DE69714241 T2 DE 69714241T2
Authority
DE
Germany
Prior art keywords
digital
circuit
interference suppression
suppression
interference
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69714241T
Other languages
English (en)
Other versions
DE69714241D1 (de
Inventor
R Wiese
A Bingham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Amati Communications 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 Amati Communications Corp filed Critical Amati Communications Corp
Publication of DE69714241D1 publication Critical patent/DE69714241D1/de
Application granted granted Critical
Publication of DE69714241T2 publication Critical patent/DE69714241T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B1/10—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
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
    • 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
    • H04L27/2602—Signal structure
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
    • 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
    • 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
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1063—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal using a notch filter
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
DE69714241T 1996-04-19 1997-04-17 Schaltung zur digitalen hf-interferenzunterdrückung Expired - Lifetime DE69714241T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1625296P 1996-04-19 1996-04-19
US1625196P 1996-04-19 1996-04-19
US08/834,503 US6014412A (en) 1996-04-19 1997-04-04 Digital radio frequency interference canceller
PCT/US1997/006384 WO1997040608A1 (en) 1996-04-19 1997-04-17 Digital radio frequency interference canceller

Publications (2)

Publication Number Publication Date
DE69714241D1 DE69714241D1 (de) 2002-08-29
DE69714241T2 true DE69714241T2 (de) 2003-02-20

Family

ID=27360530

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714241T Expired - Lifetime DE69714241T2 (de) 1996-04-19 1997-04-17 Schaltung zur digitalen hf-interferenzunterdrückung

Country Status (8)

Country Link
US (4) US6014412A (de)
EP (1) EP0894390B1 (de)
JP (2) JP2001527704A (de)
CN (1) CN1229553A (de)
AU (1) AU727491B2 (de)
CA (1) CA2251946A1 (de)
DE (1) DE69714241T2 (de)
WO (1) WO1997040608A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047717A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
DE102004047718A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von Rfl-Störungen

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69720225D1 (de) * 1996-09-02 2003-04-30 St Microelectronics Nv Verbesserungen bei, oder in bezug auf mehrträgerübertragungssysteme
EP0922341B1 (de) * 1996-09-02 2002-11-13 STMicroelectronics N.V. Verbesserungen bei, oder in bezug auf, mehrträgerübertragungssysteme
FI105517B (fi) * 1996-10-18 2000-08-31 Nokia Networks Oy Vastaanottomenetelmä ja vastaanotin
US6240129B1 (en) * 1997-07-10 2001-05-29 Alcatel Method and windowing unit to reduce leakage, fourier transformer and DMT modem wherein the unit is used
SE511521C3 (sv) * 1997-11-18 1999-11-22 Telia Ab Foerbaettringar av eller med avseende paa abonnentledningstransmissionssystem
US6144695A (en) * 1997-12-23 2000-11-07 At&T Corp. Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators
SE514016C2 (sv) * 1998-02-21 2000-12-11 Telia Ab Ett telekommunikationssystem innefattande åtminstone två VDSL-system jämte ett modem och en metod i ett sådant telekommunikationssystem
US6628722B1 (en) * 1998-06-19 2003-09-30 Lucent Technologies Inc. Decoding technique in discrete multi-tone (DMT) based communications systems
US5991269A (en) * 1998-09-15 1999-11-23 Northern Telecom Limited Wireline modem, communication system and method of setting-up such
KR100455275B1 (ko) * 1998-10-14 2004-12-17 삼성전자주식회사 햄라디오 간섭 잡음 제거 디지털 가입자선 시스템 및 그 방법
FI105973B (fi) * 1998-11-19 2000-10-31 Tellabs Oy Menetelmä monikantoaaltojärjestelmää soveltavien modeemien taajuuskaistajaon määrittämiseksi sekä menetelmää soveltava järjestelmä
EP1005203A1 (de) * 1998-11-24 2000-05-31 STMicroelectronics SA DMT DSL Uebertragungssystem für mehrere Standards
EP1157511B1 (de) * 1999-03-01 2007-07-11 Infineon Technologies AG Verfahren zur kompensation von störungen bei einem mit diskreter multiton-modulation erzeugten signal und schaltungsanordnung zur durchführung des verfahrens
US7023938B1 (en) * 1999-04-08 2006-04-04 Nec Usa, Inc. Receiver for discrete multitone modulated signals having window function
US6553041B1 (en) * 1999-04-22 2003-04-22 Motorola, Inc. Method, apparatus and system for mitigating in-band signaling noise
US6741604B1 (en) * 1999-11-12 2004-05-25 Tioga Technologies, Inc. ADSL transmission in the presence of low-frequency network services
GB2357937B (en) * 1999-12-23 2003-04-02 Mitel Corp DMT bit allocation with imperfect teq
US6683913B1 (en) * 1999-12-30 2004-01-27 Tioga Technologies Inc. Narrowband noise canceller
KR100821496B1 (ko) * 2000-01-10 2008-04-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 간섭 검출 및 제거를 갖는 멀티캐리어 전송 시스템
US6385543B1 (en) 2000-05-17 2002-05-07 The United States Of America Represented By The National Security Agency Method of feature extraction using combination of wavelet and fourier transformation
AU2005200543A1 (en) * 2000-06-09 2005-03-17 Aware, Inc. Mitigation of radio frequency interference in multicarrier transmission
JP4311528B2 (ja) * 2000-06-09 2009-08-12 アウェア， インコーポレイテッド 無線周波数妨害低減を伴うマルチキャリア方式送受信器のためのシステムおよび方法
FR2814303A1 (fr) * 2000-09-20 2002-03-22 France Telecom Signal multiporteuse a symbole de reference concu pour limiter l'interference, procede de reception, procede de construction, recepteur et dispositif correspondants
US6999504B1 (en) * 2000-11-21 2006-02-14 Globespanvirata, Inc. System and method for canceling crosstalk
US20020075949A1 (en) * 2000-12-14 2002-06-20 Raja Banerjea Variable bandwidth discrete multi-tone (DMT) rate-adaptive asymmetric digital subscriber line (RADSL) transceiver
US6470059B2 (en) * 2000-12-28 2002-10-22 Sbc Technology Resources, Inc. Automatic filter for asymmetric digital subscriber line system
US6798854B2 (en) * 2001-01-16 2004-09-28 Broadcom Corporation System and method for canceling interference in a communication system
US6826242B2 (en) * 2001-01-16 2004-11-30 Broadcom Corporation Method for whitening colored noise in a communication system
US7023937B2 (en) * 2001-03-01 2006-04-04 Texas Instruments Incorporated Receiver window design for multicarrier communication systems
GB2373973B (en) * 2001-03-30 2003-06-11 Toshiba Res Europ Ltd Adaptive antenna
US7496368B2 (en) * 2001-04-03 2009-02-24 Sharp Kabushiki Kaisha Method and device for controlling frequency selection within a wireless communication system
US7042937B2 (en) * 2001-04-23 2006-05-09 Koninklijke Philips Electronics N.V. Hybrid frequency-time domain equalizer
US8291457B2 (en) 2001-05-24 2012-10-16 Vixs Systems, Inc. Channel selection in a multimedia system
US20090031419A1 (en) 2001-05-24 2009-01-29 Indra Laksono Multimedia system and server and methods for use therewith
US7158563B2 (en) * 2001-06-01 2007-01-02 The Board Of Trustees Of The Leland Stanford Junior University Dynamic digital communication system control
FI20011219A0 (fi) * 2001-06-08 2001-06-08 Nokia Corp Digitaalinen häiriö
EP1276249A1 (de) * 2001-07-13 2003-01-15 Reinhard Hecht Vorrichtung zur Verbesserung der Übertragungseigenschaften eines Bündels elektrischer Datenleitungen und Anordnung zur Datenübertragung
US8155176B2 (en) * 2001-08-10 2012-04-10 Adaptive Networks, Inc. Digital equalization process and mechanism
EP1430679B1 (de) * 2001-08-31 2020-04-08 Adaptive Networks, Inc. Datenkommunikation mit mindestens zwei breitband-subkanalen
DE60117235T2 (de) * 2001-09-21 2006-07-27 Alcatel Mehrträgerempfänger mit einer Gleitfensterfouriertransformation und einer Fouriertransformation
US7274736B2 (en) * 2001-10-24 2007-09-25 Texas Instruments Incorporated Multiple path equalization for multicarrier systems
US6563885B1 (en) * 2001-10-24 2003-05-13 Texas Instruments Incorporated Decimated noise estimation and/or beamforming for wireless communications
EP1318642A1 (de) * 2001-12-07 2003-06-11 BRITISH TELECOMMUNICATIONS public limited company Entfernung von Interferenzen in Mehrträgerempfängern
US7133461B2 (en) * 2001-12-14 2006-11-07 Motorola, Inc. Stream transmission method and device
GB2384945B (en) * 2002-01-31 2005-08-24 Zarlink Semiconductor Inc An RFI canceller
WO2003077488A1 (en) * 2002-03-04 2003-09-18 Glowlink Communications Technology, Inc. Detecting and measuring interference contained within a digital carrier
US7120211B2 (en) 2002-03-21 2006-10-10 Conexant, Inc. Adaptive RFI canceller for DSL
GB0211658D0 (en) * 2002-05-22 2002-07-03 Svanborg Catharina Novel therapies and methods of screening for therapeutic compounds
US6885708B2 (en) * 2002-07-18 2005-04-26 Motorola, Inc. Training prefix modulation method and receiver
JP3986929B2 (ja) * 2002-08-27 2007-10-03 富士通株式会社 電力線搬送通信における漏洩電磁界抑圧送信方法及び漏洩電磁界抑圧送信装置
US7340381B2 (en) * 2002-10-04 2008-03-04 University Of Washington Characterization of radio frequency (RF) signals using wavelet-based parameter extraction
US7620154B2 (en) * 2002-12-23 2009-11-17 Cambron G Keith Equivalent working length determinative system for digital subscriber line circuits
US7127008B2 (en) 2003-02-24 2006-10-24 Ibiquity Digital Corporation Coherent AM demodulator using a weighted LSB/USB sum for interference mitigation
DE10331294B3 (de) * 2003-07-10 2005-02-17 Infineon Technologies Ag Verfahren und Anordnung zur Schnellen Frequenzsuche in Breitbandigen Mobilfunkempfängern
US7564932B2 (en) * 2003-11-26 2009-07-21 Conexant Systems, Inc. Method and system for enhancing bit rate in DMT quad spectrum systems
US7542517B2 (en) * 2004-02-02 2009-06-02 Ibiquity Digital Corporation Peak-to-average power reduction for FM OFDM transmission
US7292830B1 (en) * 2004-03-31 2007-11-06 Nortel Networks Limited Receiver gain management
US7437164B2 (en) * 2004-06-08 2008-10-14 Qualcomm Incorporated Soft handoff for reverse link in a wireless communication system with frequency reuse
US7412015B2 (en) * 2004-08-18 2008-08-12 The Boeing Company Digital signal processing remediation of cosite antenna interference
US7573943B2 (en) * 2004-08-20 2009-08-11 Adaptive Spectrum And Signal Alignment, Inc. Interference cancellation system
EP1805927A1 (de) 2004-10-11 2007-07-11 2Wire, Inc. Verminderung von periodischem impulsrauschen in einem dsl-system
DE202005022046U1 (de) 2004-10-29 2012-08-24 Sharp Kabushiki Kaisha Funksender und Funkempfänger
US7953163B2 (en) 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
EP2555464B1 (de) 2005-01-18 2019-03-06 Sharp Kabushiki Kaisha Vorrichtung zur Drahtlosen Kommunikation und Verfahren zur Drahtlosen Kommunikation
US7852950B2 (en) 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
CN100512027C (zh) * 2005-03-01 2009-07-08 华为技术有限公司 抑制窄带干扰的方法和装置
US9374257B2 (en) 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7542531B2 (en) * 2005-03-24 2009-06-02 Realtek Semiconductor Corp. Digital cancellation of radio frequency interference
US7693225B2 (en) * 2005-07-21 2010-04-06 Realtek Semiconductor Corp. Inter-symbol and inter-carrier interference canceller for multi-carrier modulation receivers
CN1972272B (zh) * 2005-09-08 2010-10-06 瑞昱半导体股份有限公司 多载波调制接收器的内部码元干扰和载波干扰的消除方法
US7711059B2 (en) * 2005-09-08 2010-05-04 Realtek Semiconductor Corp. Low noise inter-symbol and inter-carrier interference cancellation for multi-carrier modulation receivers
JP2009517955A (ja) * 2005-11-30 2009-04-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ スペクトルアジャイル無線のウィンドウ化された直交周波数分割多重化
US8265180B2 (en) 2005-12-02 2012-09-11 Nxp B.V. OFDM cognitive radio with zero overhead signalling of deleted subcarriers frequencies
US7813439B2 (en) 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
US7693240B2 (en) * 2006-03-31 2010-04-06 Intel Corporation Techniques to converge and adapt a communication system receiver
US7890072B2 (en) * 2006-09-27 2011-02-15 Silicon Laboratories, Inc. Wireless communication apparatus for estimating(C/I) ratio using a variable bandwidth filter
WO2008089293A1 (en) * 2007-01-16 2008-07-24 Nxp, B.V. Method and system for operating a wireless access point in the presence of bursty interference
US20080260080A1 (en) * 2007-04-23 2008-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Narrowband Interference Cancellation Method and Apparatus
US8369426B2 (en) * 2007-05-04 2013-02-05 Ikanos Communications, Inc. Reducing the effect of noise in a multi-channel telecommunication receiver
US8605837B2 (en) 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems
US8509368B2 (en) * 2008-12-18 2013-08-13 L-3 Communications Integrated Systems, L.P. System and method for clock jitter compensation in direct RF receiver architectures
KR101552266B1 (ko) 2009-04-07 2015-09-11 삼성전자주식회사 수신기, 그의 간섭 제거 방법 및 그를 위한 송신기
US9277447B2 (en) * 2010-10-20 2016-03-01 Nokia Technologies Oy Shortened subframe format for FDD
US8855177B1 (en) * 2010-11-19 2014-10-07 Adtran, Inc. Systems and methods for mitigating radio frequency interference
CN102647375B (zh) * 2011-12-08 2017-08-25 中兴通讯股份有限公司 消除移动终端射频噪声的方法和装置
US20130294486A1 (en) * 2012-05-07 2013-11-07 Marcos C. Tzannes Systems and methods for a multicarrier transceiver with radio frequency interference reduction
US9055592B2 (en) * 2013-01-07 2015-06-09 Netgear, Inc. IEEE 802.11 communication utilizing carrier specific interference mitigation
US20150051880A1 (en) * 2013-08-13 2015-02-19 David Arditti Ilitzky Adaptive mitigation of platform-generated radio-frequency interference
EP2840749B1 (de) 2013-08-23 2020-09-30 Alcatel Lucent Empfänger und empfangsverfahren für ein filtriertes mehrträgersignal
US9237043B1 (en) 2014-09-03 2016-01-12 Raytheon Company Method and apparatus to provide simultaneous sensing and transmission for dynamic spectrum access
CN105516032B (zh) * 2014-09-23 2018-11-16 华为技术有限公司 自适应窄带干扰消除方法和装置
WO2016082899A1 (en) * 2014-11-28 2016-06-02 Advantest Corporation Removal of sampling clock jitter induced in an output signal of an analog-to-digital converter
US9590673B2 (en) * 2015-01-20 2017-03-07 Qualcomm Incorporated Switched, simultaneous and cascaded interference cancellation
CN106413104B (zh) * 2015-08-12 2019-11-12 上海诺基亚贝尔股份有限公司 Laa中基于干扰测量确定cca能量检测门限的方法及设备
US10812118B2 (en) * 2017-12-04 2020-10-20 Massachusetts Institute Of Technology Methods and apparatus for photonic-enabled radio-frequency (RF) cancellation
US10312954B1 (en) * 2017-12-25 2019-06-04 International Business Machines Corporation Identification of RFI (radio frequency interference)
US10791006B1 (en) * 2019-09-17 2020-09-29 Realtek Semiconductor Corp. Electronic system with RFI cancelation mechanism and related RFI cancelation method
US11581911B2 (en) * 2019-10-28 2023-02-14 Charter Communications Operating, Llc Apparatus and methods for phase noise mitigation in wireless systems
US11291014B1 (en) * 2019-12-23 2022-03-29 Motorola Solutions, Inc. Device, system and method for radio-frequency emissions control
US10812133B1 (en) * 2020-01-08 2020-10-20 Rockwell Collins, Inc. System and method for robust interference detection
US11251832B2 (en) 2020-03-02 2022-02-15 L-3 Communications Integrated Systems L.P. Multiple clock sampling for Nyquist folded sampling receivers
CN113965280A (zh) * 2021-06-25 2022-01-21 西北工业大学 一种水下多目标通信中的邻频干扰抑制方法
US11799707B2 (en) * 2022-09-06 2023-10-24 Ultralogic 6G, Llc Guard-space phase-tracking reference signal for 5G and 6G networking

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461553A (en) * 1977-10-25 1979-05-17 Ricoh Co Ltd Simultaneous multi-beam modulating apparatus
US5225902A (en) * 1990-03-20 1993-07-06 Scientific-Atlanta, Inc. Automatic frequency selection in a bi-directional cable television system
DE69120401T2 (de) * 1990-03-30 1997-01-02 Digi Media Vision Ltd Sendung und empfang bei einer störenden interferenzumgebung
EP0810599B1 (de) * 1991-05-29 2003-11-26 Pacific Microsonics, Inc. Verbesserungen in Codierung-/Decodierungssystemen
US5410750A (en) * 1992-02-24 1995-04-25 Raytheon Company Interference suppressor for a radio receiver
US5430894A (en) * 1992-03-11 1995-07-04 Matsushita Electric Industrial Co., Ltd. Radio receiver noise suppression system
US5285474A (en) * 1992-06-12 1994-02-08 The Board Of Trustees Of The Leland Stanford, Junior University Method for equalizing a multicarrier signal in a multicarrier communication system
US5323391A (en) * 1992-10-26 1994-06-21 Motorola, Inc. Multi-channel digital transmitter and receiver
US5317596A (en) * 1992-12-01 1994-05-31 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for echo cancellation with discrete multitone modulation
CA2125220C (en) * 1993-06-08 2000-08-15 Joji Kane Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system
JPH09504915A (ja) * 1993-09-10 1997-05-13 アマティ・コミュニケーションズ・コーポレーション 専用制御チャンネルを用いたデジタルサウンド放送
US5521937A (en) * 1993-10-08 1996-05-28 Interdigital Technology Corporation Multicarrier direct sequence spread system and method
GB9323337D0 (en) * 1993-11-11 1994-01-05 Marconi Gec Ltd High-speed digital subscriber lines
US5623513A (en) * 1993-12-13 1997-04-22 Amati Communications Corporation Mitigating clipping and quantization effects in digital transmission systems
US5625651A (en) * 1994-06-02 1997-04-29 Amati Communications, Inc. Discrete multi-tone data transmission system using an overhead bus for synchronizing multiple remote units
US5636246A (en) * 1994-11-16 1997-06-03 Aware, Inc. Multicarrier transmission system
US5539777A (en) * 1995-01-26 1996-07-23 Motorola, Inc. Method and apparatus for a DMT receiver having a data de-formatter coupled directly to a constellation decoder
US5596600A (en) * 1995-04-06 1997-01-21 Mayflower Communications Company, Inc. Standalone canceller of narrow band interference for spread spectrum receivers
US5564420A (en) * 1995-04-14 1996-10-15 Minnesota Mining And Manufacturing Company Medical device with EMI detection and cancellation
US5721783A (en) * 1995-06-07 1998-02-24 Anderson; James C. Hearing aid with wireless remote processor
US5680394A (en) * 1995-07-11 1997-10-21 Amati Communications Corporation Time division duplexed high speed data transmission system and method
US5671247A (en) * 1995-10-24 1997-09-23 Motorola, Inc. Method and apparatus for interference suppression in spread spectrum signals
US5887032A (en) * 1996-09-03 1999-03-23 Amati Communications Corp. Method and apparatus for crosstalk cancellation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047717A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
DE102004047718A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von Rfl-Störungen
DE102004047717B4 (de) * 2004-09-30 2008-07-10 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
DE102004047718B4 (de) * 2004-09-30 2009-01-02 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von RFI-Störungen
US7813450B2 (en) 2004-09-30 2010-10-12 Infineon Technologies Ag Method and circuit arrangement for reducing RFI interface
US8085887B2 (en) * 2004-09-30 2011-12-27 Infineon Technologies Ag Method and receiver circuit for reducing RFI interference

Also Published As

Publication number Publication date
JP2007195218A (ja) 2007-08-02
US6456673B1 (en) 2002-09-24
CA2251946A1 (en) 1997-10-30
US6449324B2 (en) 2002-09-10
US6014412A (en) 2000-01-11
US20010028692A1 (en) 2001-10-11
US6404830B2 (en) 2002-06-11
US20010026602A1 (en) 2001-10-04
AU3054797A (en) 1997-11-12
DE69714241D1 (de) 2002-08-29
CN1229553A (zh) 1999-09-22
EP0894390A1 (de) 1999-02-03
EP0894390B1 (de) 2002-07-24
WO1997040608A1 (en) 1997-10-30
AU727491B2 (en) 2000-12-14
JP2001527704A (ja) 2001-12-25

Similar Documents

Publication Publication Date Title
DE69714241T2 (de) Schaltung zur digitalen hf-interferenzunterdrückung
DE69725974D1 (de) Lastschaltkreis
DE69727785D1 (de) Filterschaltung
ATA135797A (de) Rekursives digitales filter
DE69730418D1 (de) Digitaler empfänger
NO994637D0 (no) Digital krets
DE69523231T2 (de) Empfängerschaltung
DE69623896T2 (de) Digitaler Frequenzdemodulator
DE69718144D1 (de) Schaltung zur reduzierung von phasenrauschen
DE69929846D1 (de) Interferenzunterdrückungsschaltung
DE69713480T2 (de) Schaltungsanordnung
DE69709604T2 (de) Schaltungsanordnung
DE69801695T2 (de) Digitale Schaltung zur Frequenzvervielfachung
DE69709879T2 (de) Verzögerungskorrekturschaltung
ID16518A (id) Pengunci pemasang ulang sirkuit
GB2318228B (en) Trimming circuit
DE69714208D1 (de) Schaltungsanordnung
DE69716004T2 (de) Schaltungsanordnung
DE69719720D1 (de) Schaltungsanordnung
DE69714163T2 (de) Schaltungsanordnung
DE69736273D1 (de) Schaltungsanordnung
DE69714207T2 (de) Schaltungsanordnung
DE9315470U1 (de) Bauteil zur Geräuschdämmung
DE29815974U1 (de) Schaltungsanordnung zur Störsignalunterdrückung
DE69737056D1 (de) Schaltungsanordnung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition