ATE497655T1 - System und verfahren zur iterativen eliminierung von mehrpfad-interferenzen - Google Patents

System und verfahren zur iterativen eliminierung von mehrpfad-interferenzen

Info

Publication number
ATE497655T1
ATE497655T1 AT06846144T AT06846144T ATE497655T1 AT E497655 T1 ATE497655 T1 AT E497655T1 AT 06846144 T AT06846144 T AT 06846144T AT 06846144 T AT06846144 T AT 06846144T AT E497655 T1 ATE497655 T1 AT E497655T1
Authority
AT
Austria
Prior art keywords
interference
finger
iterative
interference cancellation
rake receiver
Prior art date
Application number
AT06846144T
Other languages
English (en)
Inventor
Jilei Hou
Joseph B Soriaga
John Edward Smee
Jinghu Chen
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
Application granted granted Critical
Publication of ATE497655T1 publication Critical patent/ATE497655T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7085Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/7103Interference-related aspects the interference being multiple access interference
    • H04B1/7107Subtractive interference cancellation
    • H04B1/71072Successive interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
AT06846144T 2005-10-24 2006-10-24 System und verfahren zur iterativen eliminierung von mehrpfad-interferenzen ATE497655T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US73022405P 2005-10-24 2005-10-24
US11/407,570 US8472877B2 (en) 2005-10-24 2006-04-19 Iterative interference cancellation system and method
PCT/US2006/060203 WO2007051111A1 (en) 2005-10-24 2006-10-24 Iterative multipath interface concellation system and method

Publications (1)

Publication Number Publication Date
ATE497655T1 true ATE497655T1 (de) 2011-02-15

Family

ID=37806106

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06846144T ATE497655T1 (de) 2005-10-24 2006-10-24 System und verfahren zur iterativen eliminierung von mehrpfad-interferenzen

Country Status (8)

Country Link
US (1) US8472877B2 (de)
EP (1) EP1941624B1 (de)
JP (1) JP4694627B2 (de)
KR (1) KR101019547B1 (de)
CN (1) CN101331687B (de)
AT (1) ATE497655T1 (de)
DE (1) DE602006019975D1 (de)
WO (1) WO2007051111A1 (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8611311B2 (en) * 2001-06-06 2013-12-17 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
US8422955B2 (en) * 2004-12-23 2013-04-16 Qualcomm Incorporated Channel estimation for interference cancellation
US8442441B2 (en) * 2004-12-23 2013-05-14 Qualcomm Incorporated Traffic interference cancellation
US8406695B2 (en) * 2004-12-23 2013-03-26 Qualcomm Incorporated Joint interference cancellation of pilot, overhead and traffic channels
KR100903053B1 (ko) * 2005-11-04 2009-06-18 삼성전자주식회사 광대역 무선접속 통신망에서 멀티홉시스템을 위한자동반복요청 장치 및 방법
US8385388B2 (en) * 2005-12-06 2013-02-26 Qualcomm Incorporated Method and system for signal reconstruction from spatially and temporally correlated received samples
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
KR100932456B1 (ko) * 2006-12-05 2009-12-16 한국전자통신연구원 직교주파수분할다중접속 시스템의 셀간 간섭 완화 장치 및방법
KR101457690B1 (ko) * 2008-03-05 2014-11-04 삼성전자주식회사 통신 시스템에서 간섭 신호를 제거하기 위한 수신 장치 및 방법
ES2764960T3 (es) 2008-08-26 2020-06-05 Agence Spatiale Europeenne Métodos, aparatos y sistema para la comunicación de espectro ensanchado asíncrona
US8391796B2 (en) * 2008-09-30 2013-03-05 SpiderCloud Wirless, Inc. Identifying and controlling interference from wireless terminals
GB0911124D0 (en) * 2009-06-26 2009-08-12 Newtec Cy Nv Reduced complexity FDM-CPM detector with multiple access interference cancellation
JP5596168B2 (ja) 2009-11-27 2014-09-24 クゥアルコム・インコーポレイテッド 非直交チャネルセットのための干渉除去
EP2333982B1 (de) * 2009-12-10 2013-02-27 Alcatel Lucent Verfahren zur Downlink-Kommunikation mithilfe eines Downlink-überlagerten Funksignals, Basisstation und Teilnehmerendgerät dafür
JP5280384B2 (ja) * 2010-01-28 2013-09-04 Kddi株式会社 無線基地局装置及び無線通信方法
US8755459B2 (en) * 2010-03-16 2014-06-17 Nokia Corporation Methods and apparatuses for interference cancellation with frequency error compensation for equalizer adaptation
US8761323B2 (en) 2011-09-28 2014-06-24 Telefonaktiebolaget Lm Ericsson (Publ) Impairment covariance and combining weight updates during iterative turbo interference cancellation reception
US8787426B2 (en) 2011-09-28 2014-07-22 Telefonaktiebolaget Lm Ericsson (Publ) Finger placement in multi-stage interference cancellation
CN103650462B (zh) * 2012-04-27 2016-12-14 北京大学深圳研究生院 基于同态的自修复码的编码、解码和数据修复方法及其存储系统
US8767862B2 (en) 2012-05-29 2014-07-01 Magnolia Broadband Inc. Beamformer phase optimization for a multi-layer MIMO system augmented by radio distribution network
US8619927B2 (en) 2012-05-29 2013-12-31 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO/RF beamforming
US8837650B2 (en) 2012-05-29 2014-09-16 Magnolia Broadband Inc. System and method for discrete gain control in hybrid MIMO RF beamforming for multi layer MIMO base station
US8861635B2 (en) 2012-05-29 2014-10-14 Magnolia Broadband Inc. Setting radio frequency (RF) beamformer antenna weights per data-stream in a multiple-input-multiple-output (MIMO) system
US8842765B2 (en) 2012-05-29 2014-09-23 Magnolia Broadband Inc. Beamformer configurable for connecting a variable number of antennas and radio circuits
US8811522B2 (en) 2012-05-29 2014-08-19 Magnolia Broadband Inc. Mitigating interferences for a multi-layer MIMO system augmented by radio distribution network
US8644413B2 (en) 2012-05-29 2014-02-04 Magnolia Broadband Inc. Implementing blind tuning in hybrid MIMO RF beamforming systems
US8971452B2 (en) 2012-05-29 2015-03-03 Magnolia Broadband Inc. Using 3G/4G baseband signals for tuning beamformers in hybrid MIMO RDN systems
US9154204B2 (en) 2012-06-11 2015-10-06 Magnolia Broadband Inc. Implementing transmit RDN architectures in uplink MIMO systems
US9343808B2 (en) 2013-02-08 2016-05-17 Magnotod Llc Multi-beam MIMO time division duplex base station using subset of radios
US8797969B1 (en) 2013-02-08 2014-08-05 Magnolia Broadband Inc. Implementing multi user multiple input multiple output (MU MIMO) base station using single-user (SU) MIMO co-located base stations
US8774150B1 (en) 2013-02-13 2014-07-08 Magnolia Broadband Inc. System and method for reducing side-lobe contamination effects in Wi-Fi access points
US8989103B2 (en) 2013-02-13 2015-03-24 Magnolia Broadband Inc. Method and system for selective attenuation of preamble reception in co-located WI FI access points
US9155110B2 (en) 2013-03-27 2015-10-06 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
US20140226740A1 (en) 2013-02-13 2014-08-14 Magnolia Broadband Inc. Multi-beam co-channel wi-fi access point
US9794026B2 (en) * 2013-04-12 2017-10-17 Qualcomm Incorporated Adaptive data interference cancellation
US9100968B2 (en) 2013-05-09 2015-08-04 Magnolia Broadband Inc. Method and system for digital cancellation scheme with multi-beam
US9042429B2 (en) * 2013-06-27 2015-05-26 Intel Mobile Communications GmbH Interference cancellation radio receiver
US9425882B2 (en) 2013-06-28 2016-08-23 Magnolia Broadband Inc. Wi-Fi radio distribution network stations and method of operating Wi-Fi RDN stations
US8995416B2 (en) 2013-07-10 2015-03-31 Magnolia Broadband Inc. System and method for simultaneous co-channel access of neighboring access points
US8824596B1 (en) 2013-07-31 2014-09-02 Magnolia Broadband Inc. System and method for uplink transmissions in time division MIMO RDN architecture
US9497781B2 (en) 2013-08-13 2016-11-15 Magnolia Broadband Inc. System and method for co-located and co-channel Wi-Fi access points
CN104378172B (zh) * 2013-08-14 2019-07-26 中兴通讯股份有限公司 数据信道干扰抵消的方法和系统
US9060362B2 (en) 2013-09-12 2015-06-16 Magnolia Broadband Inc. Method and system for accessing an occupied Wi-Fi channel by a client using a nulling scheme
US9088898B2 (en) 2013-09-12 2015-07-21 Magnolia Broadband Inc. System and method for cooperative scheduling for co-located access points
US9172454B2 (en) 2013-11-01 2015-10-27 Magnolia Broadband Inc. Method and system for calibrating a transceiver array
US8891598B1 (en) 2013-11-19 2014-11-18 Magnolia Broadband Inc. Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
US8929322B1 (en) * 2013-11-20 2015-01-06 Magnolia Broadband Inc. System and method for side lobe suppression using controlled signal cancellation
US8942134B1 (en) 2013-11-20 2015-01-27 Magnolia Broadband Inc. System and method for selective registration in a multi-beam system
US9294177B2 (en) 2013-11-26 2016-03-22 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9014066B1 (en) 2013-11-26 2015-04-21 Magnolia Broadband Inc. System and method for transmit and receive antenna patterns calibration for time division duplex (TDD) systems
US9042276B1 (en) 2013-12-05 2015-05-26 Magnolia Broadband Inc. Multiple co-located multi-user-MIMO access points
US9172446B2 (en) 2014-03-19 2015-10-27 Magnolia Broadband Inc. Method and system for supporting sparse explicit sounding by implicit data
US9100154B1 (en) 2014-03-19 2015-08-04 Magnolia Broadband Inc. Method and system for explicit AP-to-AP sounding in an 802.11 network
US9271176B2 (en) 2014-03-28 2016-02-23 Magnolia Broadband Inc. System and method for backhaul based sounding feedback
US9337877B2 (en) 2014-04-28 2016-05-10 Motorola Solutions, Inc. Method and system for multiband interference mitigation with multipath cancellation
US9455750B2 (en) 2014-07-28 2016-09-27 Qualcomm Incorporated Source block size selection
JP6498410B2 (ja) * 2014-10-08 2019-04-10 国立大学法人電気通信大学 無線通信システム
US10320431B2 (en) * 2017-07-27 2019-06-11 Huawei Technologies Co., Ltd. Method and apparatus for interference cancellation in full-duplex multi-cell networks
JP6952653B2 (ja) * 2018-07-11 2021-10-20 Kddi株式会社 端末装置の送信電力を制御する基地局装置、その制御方法、及びプログラム
CN108959638B (zh) * 2018-07-26 2021-10-19 南京师范大学 一种面向城市燃气专业管线与综合管线的空间数据匹配方法
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation

Family Cites Families (152)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US6693951B1 (en) 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
ZA938324B (en) 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
US5490165A (en) 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
AU687228B2 (en) 1994-07-29 1998-02-19 Qualcomm Incorporated Method and apparatus for performing code acquisition in a CDMA communications system
FI99184C (fi) 1994-11-28 1997-10-10 Nokia Telecommunications Oy Menetelmä käytettävissä olevien taajuuskaistojen jakamiseksi eri soluihin TDMA-solukkoradiojärjestelmässä ja TDMA-solukkoradiojärjestelmä
US6137843A (en) 1995-02-24 2000-10-24 Ericsson Inc. Methods and apparatus for canceling adjacent channel signals in digital communications systems
KR100212306B1 (ko) 1995-06-13 1999-08-02 다치카와 게이지 코드 분할 다중 접속(cdma) 복조 장치
US5764687A (en) 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US5805648A (en) 1995-07-31 1998-09-08 Qualcomm Incorporated Method and apparatus for performing search acquisition in a CDMA communication system
US5703905A (en) 1996-02-16 1997-12-30 Globespan Technologies, Inc. Multi-channel timing recovery system
JP2746261B2 (ja) 1996-06-10 1998-05-06 日本電気株式会社 Ds−cdma干渉キャンセル装置
US6002715A (en) 1996-07-11 1999-12-14 Motorola, Inc. Method for a receiver unit to determine a quality value for a received signal
US5812600A (en) 1996-07-26 1998-09-22 Motorola, Inc. Method and apparatus for mitigating distortion effects in the determination of signal usability
US6067292A (en) 1996-08-20 2000-05-23 Lucent Technologies Inc Pilot interference cancellation for a coherent wireless code division multiple access receiver
US6009089A (en) 1996-08-20 1999-12-28 Lucent Technologies Inc. Pilot interference cancellation for a coherent wireless code division multiple access receiver
US5781543A (en) 1996-08-29 1998-07-14 Qualcomm Incorporated Power-efficient acquisition of a CDMA pilot signal
US5789973A (en) 1996-09-04 1998-08-04 Motorola, Inc. Resistorless operational transconductance amplifier circuit
US6259724B1 (en) 1996-10-18 2001-07-10 Telefonaktiebolaget L M Ericsson (Publ) Random access in a mobile telecommunications system
KR100204599B1 (ko) 1996-12-21 1999-06-15 정선종 적응형 직병렬 혼합 잡음 제거 방법
JP3586348B2 (ja) 1997-03-05 2004-11-10 富士通株式会社 信号対干渉電力比測定装置及び信号対干渉電力比測定方法並びにcdma通信方式下での送信電力制御方法
IL120538A (en) 1997-03-26 2000-11-21 Dspc Tech Ltd Method and apparatus for reducing spread-spectrum noise
US6201799B1 (en) 1997-05-01 2001-03-13 Lucent Technologies, Inc Partial decorrelation for a coherent multicode code division multiple access receiver
US6574211B2 (en) 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission
US6175587B1 (en) 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression in a DS-CDMA system
US6122309A (en) 1998-01-30 2000-09-19 Motorola, Inc. Method and apparatus for performing interference suppression using modal moment estimates
US6131013A (en) 1998-01-30 2000-10-10 Motorola, Inc. Method and apparatus for performing targeted interference suppression
JP2967571B1 (ja) 1998-05-01 1999-10-25 日本電気株式会社 Cdmaマルチユーザ受信装置と通信システム
KR100318959B1 (ko) 1998-07-07 2002-04-22 윤종용 부호분할다중접속통신시스템의서로다른부호간의간섭을제거하는장치및방법
US6154443A (en) 1998-08-11 2000-11-28 Industrial Technology Research Institute FFT-based CDMA RAKE receiver system and method
SG84514A1 (en) 1998-08-31 2001-11-20 Oki Techno Ct Singapore Pte Receiving device and channel estimator for use in a cdma communication system
US6498784B1 (en) 1998-10-20 2002-12-24 Interdigital Technology Corporation Cancellation of pilot and traffic signals
WO2000025442A1 (en) 1998-10-26 2000-05-04 Nokia Networks Oy Channel estimation in a cellular communication system
US6333947B1 (en) 1998-11-25 2001-12-25 Nortel Networks Limited Interference cancellation system and method and CDMA receiver including an interference cancellation circuit
US6295289B1 (en) 1998-11-30 2001-09-25 Nokia Mobile Phones, Ltd. Power control in a transmitter
KR100321978B1 (ko) 1998-12-31 2002-07-02 윤종용 통신시스템에서반복복호장치및방법
DE19901877B4 (de) 1999-01-19 2005-10-13 Siemens Ag Verfahren zum Gewinnen von Informationen über Störungen im Empfänger eines Nachrichtenübertragungssystems
GB9903465D0 (en) 1999-02-17 1999-04-07 King S College London Adaptive hybrid interfernce cancellation,multi-user detection for multi-rate system
US6393302B1 (en) 1999-03-05 2002-05-21 Verizon Laboratories Inc. System and method for increasing capacity of a cellular network by cell site reconfiguration
JP3229864B2 (ja) 1999-03-24 2001-11-19 三洋電機株式会社 伝送チャネルの割当方法およびそれを用いた無線装置
US6493541B1 (en) 1999-07-02 2002-12-10 Telefonaktiebolaget Lm Ericsson (Publ) Transmit power control time delay compensation in a wireless communications system
US6570909B1 (en) 1999-07-09 2003-05-27 Nokia Mobile Phones Interference suppression in a CDMA receiver
US6496706B1 (en) 1999-07-23 2002-12-17 Qualcomm Incorporated Method and system for transmit gating in a wireless communication system
US6691362B1 (en) 1999-07-26 2004-02-17 Sebor Family Trust Device for dislodging a submersible pool cleaner
US6850506B1 (en) 1999-10-07 2005-02-01 Qualcomm Incorporated Forward-link scheduling in a wireless communication system
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
FR2800944B1 (fr) 1999-11-04 2002-01-25 Cit Alcatel Procede pour augmenter la capacite d'un reseau cdma, et unites associees
US6967998B1 (en) 1999-11-12 2005-11-22 Qualcomm Incorporated Method and apparatus for monitoring transmission quality
US6549565B1 (en) 1999-12-07 2003-04-15 Lucent Technologies Inc. Code division multiple access system and method of operation with improved signal acquisition and processing
US6975666B2 (en) 1999-12-23 2005-12-13 Institut National De La Recherche Scientifique Interference suppression in CDMA systems
EP1117185A1 (de) 2000-01-14 2001-07-18 Lucent Technologies Inc. Verfahren und RAKE-Empfänger zur Kodenachführung in einem CDMA-Nachrichtenübertragungssystem
US7254171B2 (en) 2000-01-20 2007-08-07 Nortel Networks Limited Equaliser for digital communications systems and method of equalisation
US6996069B2 (en) 2000-02-22 2006-02-07 Qualcomm, Incorporated Method and apparatus for controlling transmit power of multiple channels in a CDMA communication system
US6917642B1 (en) 2000-02-23 2005-07-12 Ipr Licensing, Inc. Method for using a non-orthogonal pilot signal with data channel interference cancellation
JP3844934B2 (ja) 2000-03-03 2006-11-15 株式会社日立コミュニケーションテクノロジー 基地局装置、移動通信システム及び送信電力制御方法
US20020006121A1 (en) * 2000-04-27 2002-01-17 Dileep George Adaptive diversity combining for wide band code division multiple access (W-CDMA) based on iterative channel estimation
JP3793687B2 (ja) 2000-05-12 2006-07-05 株式会社日立コミュニケーションテクノロジー 無線基地局及び移動通信システム
WO2001091318A1 (en) 2000-05-25 2001-11-29 Samsung Electronics Co., Ltd Apparatus and method for transmission diversity using more than two antennas
US6683908B1 (en) 2000-06-29 2004-01-27 Samsung Electronics Co., Ltd. RF receiver having improved signal-to-noise ratio and method of operation
JP4574805B2 (ja) 2000-06-30 2010-11-04 テレフオンアクチーボラゲット エル エム エリクソン(パブル) 通信システム及びその電力制御方法
JP2002044053A (ja) 2000-07-19 2002-02-08 Fujitsu Ltd Cdmaマルチユーザ受信装置
US6580899B1 (en) 2000-09-07 2003-06-17 Nortel Networks Limited Adaptive forward power management algorithm for traffic hotspots
US6680727B2 (en) 2000-10-17 2004-01-20 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a CDMA communication system
US6654408B1 (en) 2000-10-27 2003-11-25 Wisconsin Alumni Research Foundation Method and system for multi-carrier multiple access reception in the presence of imperfections
US6788733B1 (en) 2000-11-09 2004-09-07 Qualcomm, Incorporated Method and apparatus for interference cancellation in a communication system
US7069034B1 (en) 2000-11-22 2006-06-27 Ericsson Inc. Systems and methods for reduced forward link power control delay
US6985516B1 (en) 2000-11-27 2006-01-10 Qualcomm Incorporated Method and apparatus for processing a received signal in a communications system
US6865218B1 (en) 2000-11-27 2005-03-08 Ericsson Inc. Multipath interference reduction for a CDMA system
JP3440076B2 (ja) 2000-11-29 2003-08-25 松下電器産業株式会社 無線インフラ装置
US6999430B2 (en) 2000-11-30 2006-02-14 Qualcomm Incorporated Method and apparatus for transmitting data traffic on a wireless communication channel
RU2192709C2 (ru) * 2000-11-30 2002-11-10 Гармонов Александр Васильевич Способ приема многолучевых сигналов в системе радиосвязи с кодовым разделением каналов и устройство для его реализации
JP2002217871A (ja) 2000-12-19 2002-08-02 Telefon Ab Lm Ericsson Publ サブトラクティブ干渉キャンセラにおける重み付け係数の設定方法、該重み付け係数を使用した干渉キャンセラユニットおよび干渉キャンセラ
US7394792B1 (en) 2002-10-08 2008-07-01 Urbain A. von der Embse Multi-scale CDMA
JP2002232397A (ja) 2001-01-31 2002-08-16 Ntt Docomo Inc 移動通信システムにおける受信処理方法及び受信装置
US6940827B2 (en) 2001-03-09 2005-09-06 Adaptix, Inc. Communication system using OFDM for one direction and DSSS for another direction
US7453922B2 (en) 2001-03-14 2008-11-18 Mercury Computer Systems, Inc. Wireless communication systems and methods for contiguously addressable memory enabled multiple processor based multiple user detection
US6580771B2 (en) * 2001-03-30 2003-06-17 Nokia Corporation Successive user data multipath interference cancellation
EP1386406A4 (de) 2001-03-30 2009-06-03 Science Applic Int Corp Mehrstufiger empfang von cdma-übertragungen
US20020146044A1 (en) 2001-04-09 2002-10-10 Riaz Esmailzadeh Hybrid single/multiuser interference reduction detector
US20050013350A1 (en) 2001-06-06 2005-01-20 Coralli Alessandro Vanelli Method and apparatus for canceling pilot interference in a wireless communication system
US8611311B2 (en) 2001-06-06 2013-12-17 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
US7190749B2 (en) 2001-06-06 2007-03-13 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
KR100395497B1 (ko) 2001-06-08 2003-08-25 한국전자통신연구원 씨디엠에이 수신기의 병렬형 간섭 제거 방법
US7197282B2 (en) 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
US6697347B2 (en) 2001-08-22 2004-02-24 Nokia Mobile Phones Ltd. Method and apparatus for controlling transmission of packets in a wireless communication system
US6642883B2 (en) 2001-08-30 2003-11-04 Lockheed Martin Corporation Multi-beam antenna with interference cancellation network
US7042968B1 (en) 2001-09-12 2006-05-09 Nokia Corporation Efficient multipurpose code matched filter for wideband CDMA
US7245600B2 (en) 2001-11-05 2007-07-17 Qualcomm, Inc. Method and apparatus for determining reverse link load level for reverse link data scheduling in a CDMA communication system
KR100426623B1 (ko) 2001-12-22 2004-04-13 한국전자통신연구원 인접 기지국 파일럿 신호 제거를 위한 이동통신 단말기의복조 장치 및 그 방법
GB2384665B (en) 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
GB2384660B (en) 2002-01-25 2004-11-17 Toshiba Res Europ Ltd Reciever processing systems
US6748009B2 (en) 2002-02-12 2004-06-08 Interdigital Technology Corporation Receiver for wireless telecommunication stations and method
GB2386519B (en) 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Adaptive Multicarrier Communication
JP3888189B2 (ja) 2002-03-12 2007-02-28 松下電器産業株式会社 適応アンテナ基地局装置
US7292552B2 (en) 2002-03-14 2007-11-06 Qualcomm Incorporated Method and apparatus for reducing interference in a wireless communication system
US7035284B2 (en) 2002-03-14 2006-04-25 Qualcomm Incorporated Method and apparatus for reducing inter-channel interference in a wireless communication system employing a non-periodic interleaver
US7406065B2 (en) 2002-03-14 2008-07-29 Qualcomm, Incorporated Method and apparatus for reducing inter-channel interference in a wireless communication system
US7263118B2 (en) * 2002-04-26 2007-08-28 Electronics And Telecommunications Research Institute Interference canceling device and method in mobile communication system
AU2003903826A0 (en) 2003-07-24 2003-08-07 University Of South Australia An ofdm receiver structure
EP1365518A1 (de) 2002-05-21 2003-11-26 Nokia Corporation Verfahren und Vorrichtung zur Synchronisierung von DS-CDMA Mehrwegsignalen
US7061967B2 (en) 2002-06-24 2006-06-13 Comsys Communication & Signal Processing Ltd. Multipath channel tap delay estimation in a CDMA spread spectrum receiver
US7551546B2 (en) 2002-06-27 2009-06-23 Nortel Networks Limited Dual-mode shared OFDM methods/transmitters, receivers and systems
US6999794B1 (en) 2002-06-28 2006-02-14 Arraycomm Llc Transmission of a common pilot channel from a beamforming transmit antenna array
US7206554B1 (en) 2002-06-28 2007-04-17 Arraycomm Llc Transmit diversity with formed beams in a wireless communications system using a common pilot channel
US7263082B1 (en) 2002-06-28 2007-08-28 Arraycomm, Llc Resolving user-specific narrow beam signals using a known sequence in a wireless communications system with a common pilot channel
US7221699B1 (en) 2002-06-28 2007-05-22 Arraycomm Llc External correction of errors between traffic and training in a wireless communications system
US7164739B1 (en) 2002-06-28 2007-01-16 Arraycomm, Llc. Broadcast burst with repeated weights for a radio communications system
US7269389B2 (en) 2002-07-03 2007-09-11 Arraycomm, Llc Selective power control messaging
US7257101B2 (en) 2002-07-03 2007-08-14 Arraycomm, Llc Selective power control messaging
WO2004021581A2 (en) 2002-08-29 2004-03-11 Zyray Wireless, Inc. Adaptive pilot interference cancellation in cdma systems
JP4412926B2 (ja) * 2002-09-27 2010-02-10 株式会社エヌ・ティ・ティ・ドコモ 適応等化装置及びそのプログラム
KR100651434B1 (ko) 2002-10-05 2006-11-28 삼성전자주식회사 패킷 데이터 통신 시스템 수신기에서의 간섭신호 제거장치 및 방법
US7317750B2 (en) 2002-10-31 2008-01-08 Lot 41 Acquisition Foundation, Llc Orthogonal superposition coding for direct-sequence communications
WO2004073159A2 (en) 2002-11-15 2004-08-26 Tensorcomm, Incorporated Systems and methods for parallel signal cancellation
US7656936B2 (en) 2003-01-28 2010-02-02 Cisco Technology, Inc. Method and system for interference reduction in a wireless communication network using a joint detector
US7099378B2 (en) 2003-01-30 2006-08-29 The Mitre Corporation Sub-symbol parallel interference cancellation
US7299402B2 (en) 2003-02-14 2007-11-20 Telefonaktiebolaget Lm Ericsson (Publ) Power control for reverse packet data channel in CDMA systems
US7120447B1 (en) 2003-02-24 2006-10-10 Nortel Networks Limited Selectable mode vocoder management algorithm for CDMA based networks
US7221722B2 (en) 2003-02-27 2007-05-22 Motorola, Inc. Method and apparatus for reducing interference within a communication system
US7385944B2 (en) 2003-03-31 2008-06-10 Lucent Technologies Inc. Method of interference cancellation in communication systems
JP4288093B2 (ja) 2003-04-09 2009-07-01 株式会社エヌ・ティ・ティ・ドコモ 無線通信制御システム及び無線通信制御方法
KR100981507B1 (ko) 2003-04-14 2010-09-10 삼성전자주식회사 블록 확산 코드분할 다중접속 이동통신 시스템에서 트래픽 발생 및 수신 장치 및 방법
WO2004100416A1 (en) 2003-04-24 2004-11-18 Bae Systems Information And Electronic Systems Integration, Inc. Cross-system interference cancellation for multicarrier cdma and ofdm
US7321780B2 (en) 2003-04-30 2008-01-22 Motorola, Inc. Enhanced uplink rate selection by a communication device during soft handoff
CN1826761B (zh) 2003-05-15 2010-09-29 艾利森电话股份有限公司 无线中继网络中的干扰消除
GB2403104B (en) 2003-06-16 2006-06-14 Inmarsat Ltd Communication method and apparatus
US7126928B2 (en) 2003-08-05 2006-10-24 Qualcomm Incorporated Grant, acknowledgement, and rate control active sets
US7352725B2 (en) 2003-08-21 2008-04-01 Nokia Corporation Communication method and arrangement in a code division multiple access (CDMA) radio system
FR2859328B1 (fr) 2003-08-29 2005-11-25 France Telecom Procede et dispositif d'egalisation et de decodage iteratif pour communications haut-debit sur canaux a antennes multiples en emission et en reception
US7391803B2 (en) 2003-09-02 2008-06-24 Nokia Corporation Interference suppression in a receiver during at least one of idle state and access state operation
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7623553B2 (en) 2003-11-03 2009-11-24 Qualcomm Incorporated Method, apparatus, and system for data transmission and processing in a wireless communication environment
JP2005198223A (ja) 2004-01-07 2005-07-21 Satoshi Suyama マルチキャリアにおけるパケット伝送用マルチユーザ検出受信機
US7668561B2 (en) 2004-02-27 2010-02-23 Qualcomm Incorporated Apparatus and method for controlling reverse link interference among access terminals in wireless communications
US7551664B2 (en) * 2004-09-17 2009-06-23 Nokia Corporation Iterative and turbo-based method and apparatus for equalization of spread-spectrum downlink channels
KR100648472B1 (ko) 2004-10-19 2006-11-28 삼성전자주식회사 다중 송신 다중 수신 안테나 통신 시스템에서 적응 변조및 부호 성능을 최적화하기 위한 송·수신 장치 및 방법
US7515877B2 (en) 2004-11-04 2009-04-07 Magnolia Broadband Inc. Communicating signals according to a quality indicator and a time boundary indicator
US8422955B2 (en) 2004-12-23 2013-04-16 Qualcomm Incorporated Channel estimation for interference cancellation
US8406695B2 (en) 2004-12-23 2013-03-26 Qualcomm Incorporated Joint interference cancellation of pilot, overhead and traffic channels
US8099123B2 (en) 2004-12-23 2012-01-17 Qualcomm Incorporated Adaptation of transmit subchannel gains in a system with interference cancellation
US8442441B2 (en) 2004-12-23 2013-05-14 Qualcomm Incorporated Traffic interference cancellation
EP2254265A3 (de) 2005-01-05 2013-11-27 ATC Technologies, LLC Adaptive Strahlformung mit Mehrbenutzerdetektion und Interferenzreduktion bei Satellitenkommunikationsystemen und Verfahren
US20070002724A1 (en) 2005-06-15 2007-01-04 Samsung Electronics Co., Ltd. Apparatus and method for broadcast superposition and cancellation in a multi-carrier wireless network
US7480497B2 (en) * 2005-06-29 2009-01-20 Intel Corporation Multicarrier receiver and method for carrier frequency offset correction and channel estimation for receipt of simultaneous transmissions over a multi-user uplink
KR100988837B1 (ko) 2005-11-18 2010-10-20 삼성전자주식회사 통신 시스템에서 다운링크 신호 송수신 장치 및 방법
US7881412B2 (en) 2005-11-21 2011-02-01 Qualcomm Incorporated Quasi-linear interference cancellation for wireless communication
US8385388B2 (en) 2005-12-06 2013-02-26 Qualcomm Incorporated Method and system for signal reconstruction from spatially and temporally correlated received samples
US8630378B2 (en) 2005-12-06 2014-01-14 Qualcomm Incorporated Interference cancellation with improved estimation and tracking for wireless communication
US20070165704A1 (en) 2006-01-19 2007-07-19 Lucent Technologies Inc. Method for auxiliary pilot cancellation in wireless network reverse link
US9130791B2 (en) 2006-03-20 2015-09-08 Qualcomm Incorporated Uplink channel estimation using a signaling channel
KR200428772Y1 (ko) 2006-07-20 2006-10-16 주식회사 성창엔지니어링 냉각수 여과 살균 유닛

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US8472877B2 (en) 2013-06-25
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CN101331687A (zh) 2008-12-24
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US20070093261A1 (en) 2007-04-26
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