NO20072885L - Fremgangsmate og apparat for a redusere prosesseringsraten til en chipnivautjevningsmottager - Google Patents

Fremgangsmate og apparat for a redusere prosesseringsraten til en chipnivautjevningsmottager

Info

Publication number
NO20072885L
NO20072885L NO20072885A NO20072885A NO20072885L NO 20072885 L NO20072885 L NO 20072885L NO 20072885 A NO20072885 A NO 20072885A NO 20072885 A NO20072885 A NO 20072885A NO 20072885 L NO20072885 L NO 20072885L
Authority
NO
Norway
Prior art keywords
sample data
equalization
reducing
chip rate
filter
Prior art date
Application number
NO20072885A
Other languages
English (en)
Norwegian (no)
Inventor
Jung-Lin Pan
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of NO20072885L publication Critical patent/NO20072885L/no

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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70757—Synchronisation aspects with code phase acquisition with increased resolution, i.e. higher than half a chip
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path 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
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707—Efficiency-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03477—Tapped delay lines not time-recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
NO20072885A 2004-11-08 2007-06-06 Fremgangsmate og apparat for a redusere prosesseringsraten til en chipnivautjevningsmottager NO20072885L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US62587004P 2004-11-08 2004-11-08
US11/210,591 US7116705B2 (en) 2004-11-08 2005-08-24 Method and apparatus for reducing the processing rate of a chip-level equalization receiver
PCT/US2005/037536 WO2006052402A1 (en) 2004-11-08 2005-10-19 Method and apparatus for reducing the processing rate of a chip-level equalization receiver

Publications (1)

Publication Number Publication Date
NO20072885L true NO20072885L (no) 2007-08-06

Family

ID=36316291

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20072885A NO20072885L (no) 2004-11-08 2007-06-06 Fremgangsmate og apparat for a redusere prosesseringsraten til en chipnivautjevningsmottager

Country Status (9)

Country Link
US (6) US7116705B2 (ko)
EP (1) EP1817849A1 (ko)
JP (1) JP4564064B2 (ko)
KR (2) KR20070087143A (ko)
CA (1) CA2586999A1 (ko)
MX (1) MX2007005533A (ko)
NO (1) NO20072885L (ko)
TW (3) TWI383629B (ko)
WO (1) WO2006052402A1 (ko)

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US6792037B2 (en) * 2002-02-28 2004-09-14 Interdigital Technology Corporation Apparatus and method of searching for known sequences
US7848463B2 (en) * 2005-04-07 2010-12-07 Qualcomm Incorporated Adaptive time-filtering for channel estimation in OFDM system
US7929597B2 (en) * 2005-11-15 2011-04-19 Qualcomm Incorporated Equalizer for a receiver in a wireless communication system
AU2007243937B2 (en) * 2006-01-12 2011-03-17 Agere Systems Inc. Receiver employing non-pilot reference channels for equalizing a received signal
KR101389079B1 (ko) * 2007-11-02 2014-04-25 삼성전자주식회사 코드 분할 멀티플렉싱 시스템에서 도플러 추정을 이용한채널 추정을 위한 장치 및 방법
US8626096B2 (en) * 2008-03-24 2014-01-07 Qualcomm Incorporated Methods and apparatus for combining signals from multiple diversity sources
KR20130084029A (ko) * 2012-01-16 2013-07-24 삼성전자주식회사 탭리스 스탠다드 셀을 포함하는 시스템-온-칩의 설계 방법, 설계 시스템 및 시스템-온-칩
US8848775B2 (en) * 2012-08-29 2014-09-30 Intel Mobile Communications GmbH Circuit for signal processing and method performed by such circuit
US20150139366A1 (en) * 2013-11-18 2015-05-21 Qualcomm Incorporated Method and apparatus for enhanced channel estimation using matching pursuit
US20150139367A1 (en) * 2013-11-18 2015-05-21 Qualcomm Incorporated Method and apparatus for enhanced channel estimation using matching pursuit and adaptive cluster tracking

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EP0696398A1 (en) * 1994-02-25 1996-02-14 Koninklijke Philips Electronics N.V. A multiple access digital transmission system and a radio base station and a receiver for use in such a system
US6487190B1 (en) * 1996-06-27 2002-11-26 Interdigital Technology Corporation Efficient multichannel filtering for CDMA modems
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5912828A (en) * 1995-12-28 1999-06-15 Lucent Technologies Inc. Equalizer filter configuration for processing real-valued and complex-valued signal samples
JPH1141141A (ja) * 1997-05-21 1999-02-12 Mitsubishi Electric Corp スペクトル拡散信号受信方法及びスペクトル拡散信号受信装置
US6097712A (en) * 1997-06-20 2000-08-01 Nortel Networks Limited Multi-carrier CDMA communications systems
US6175588B1 (en) 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
JP3678023B2 (ja) * 1998-10-23 2005-08-03 株式会社日立製作所 符号分割多元接続方式移動通信システムにおける通信装置
US6430235B1 (en) * 1998-11-05 2002-08-06 Wireless Facilities, Inc. Non-data-aided feedforward timing synchronization method
JP3764827B2 (ja) * 1999-03-01 2006-04-12 富士通株式会社 マルチキャリアスペクトル拡散通信における受信機、及び受信方法
US6690715B2 (en) * 1999-06-29 2004-02-10 Intersil Americas Inc. Rake receiver with embedded decision feedback equalizer
DE60033892T2 (de) * 1999-07-30 2007-12-13 Koninklijke Philips Electronics N.V. Vorrichtung zur Spreizspektrumdatenübertragung mit einem Datenempfänger
US6714527B2 (en) * 1999-09-21 2004-03-30 Interdigital Techology Corporation Multiuser detector for variable spreading factors
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JP3723721B2 (ja) * 2000-05-09 2005-12-07 ペンタックス株式会社 光波測距儀及びａｆ機能を有する光波測距儀
JP4067755B2 (ja) * 2000-10-24 2008-03-26 三菱電機株式会社 スペクトラム拡散通信システムの受信機
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Also Published As

Publication number Publication date
CA2586999A1 (en) 2006-05-18
US20070002935A1 (en) 2007-01-04
US20110206015A1 (en) 2011-08-25
US20070253396A1 (en) 2007-11-01
US20060098717A1 (en) 2006-05-11
JP4564064B2 (ja) 2010-10-20
MX2007005533A (es) 2007-08-08
WO2006052402A1 (en) 2006-05-18
TWI420863B (zh) 2013-12-21
US7116705B2 (en) 2006-10-03
KR20070087143A (ko) 2007-08-27
US20120195358A1 (en) 2012-08-02
EP1817849A1 (en) 2007-08-15
TWI383629B (zh) 2013-01-21
TW200711403A (en) 2007-03-16
US7573963B2 (en) 2009-08-11
TW201018150A (en) 2010-05-01
TW200629830A (en) 2006-08-16
US7257152B2 (en) 2007-08-14
KR20070072933A (ko) 2007-07-06
US7936807B2 (en) 2011-05-03
US8170083B2 (en) 2012-05-01
JP2008519556A (ja) 2008-06-05
TWI313989B (en) 2009-08-21
US20090316765A1 (en) 2009-12-24
KR100947001B1 (ko) 2010-03-11

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