NO20033476L - Lav kompleksitetsdatadeteksjon ved å bruke hurtig Fourier transformasjon avkanalkorrelasjonsmatrise - Google Patents

Lav kompleksitetsdatadeteksjon ved å bruke hurtig Fourier transformasjon avkanalkorrelasjonsmatrise

Info

Publication number
NO20033476L
NO20033476L NO20033476A NO20033476A NO20033476L NO 20033476 L NO20033476 L NO 20033476L NO 20033476 A NO20033476 A NO 20033476A NO 20033476 A NO20033476 A NO 20033476A NO 20033476 L NO20033476 L NO 20033476L
Authority
NO
Norway
Prior art keywords
matrix
data
correlation matrix
fast fourier
channel correlation
Prior art date
Application number
NO20033476A
Other languages
English (en)
Other versions
NO20033476D0 (no
Inventor
Jung-Lin Pan
Parthapratim De
Ariela Zeira
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 NO20033476D0 publication Critical patent/NO20033476D0/no
Publication of NO20033476L publication Critical patent/NO20033476L/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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71052—Joint detection techniques, e.g. linear detectors using decorrelation matrix
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Transceivers (AREA)
NO20033476A 2001-02-06 2003-08-05 Lav kompleksitetsdatadeteksjon ved å bruke hurtig Fourier transformasjon avkanalkorrelasjonsmatrise NO20033476L (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US26693201P 2001-02-06 2001-02-06
US26858701P 2001-02-15 2001-02-15
US09/814,346 US6885654B2 (en) 2001-02-06 2001-03-22 Low complexity data detection using fast fourier transform of channel correlation matrix
PCT/US2002/002400 WO2002063779A2 (en) 2001-02-06 2002-01-28 Low complexity data detection using fast fourier transform of channel correlation matrix

Publications (2)

Publication Number Publication Date
NO20033476D0 NO20033476D0 (no) 2003-08-05
NO20033476L true NO20033476L (no) 2003-09-18

Family

ID=27401920

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20033476A NO20033476L (no) 2001-02-06 2003-08-05 Lav kompleksitetsdatadeteksjon ved å bruke hurtig Fourier transformasjon avkanalkorrelasjonsmatrise

Country Status (16)

Country Link
US (5) US6885654B2 (no)
EP (1) EP1358718B1 (no)
JP (2) JP3897302B2 (no)
KR (2) KR100605332B1 (no)
CN (1) CN1295886C (no)
AT (1) ATE330372T1 (no)
AU (1) AU2002243695A1 (no)
CA (1) CA2437660A1 (no)
DE (1) DE60212334T2 (no)
ES (1) ES2263771T3 (no)
HK (1) HK1064526A1 (no)
MX (1) MXPA03007025A (no)
MY (1) MY129888A (no)
NO (1) NO20033476L (no)
TW (5) TWI231657B (no)
WO (1) WO2002063779A2 (no)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885654B2 (en) * 2001-02-06 2005-04-26 Interdigital Technology Corporation Low complexity data detection using fast fourier transform of channel correlation matrix
US7027489B2 (en) * 2001-04-06 2006-04-11 Interdigital Technology Corporation Iterative fast fourier transform error correction
TW572534U (en) * 2001-04-16 2004-01-11 Interdigital Tech Corp A time division duplex/code division multiple access (FDD/CDMA) user equipment
DE10138962B4 (de) * 2001-08-08 2011-05-12 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Erkennung von aktiven Codesequenzen
US7443908B2 (en) * 2001-11-26 2008-10-28 Stmicroelectronics S.R.L. Low complexity detection in digital receivers
US7313122B2 (en) * 2002-07-10 2007-12-25 Broadcom Corporation Multi-user carrier frequency offset correction for CDMA systems
US7257170B2 (en) * 2002-08-21 2007-08-14 Texas Instruments Incorporated Channel norm-based ordering and whitened decoding for MIMO communication systems
US8194770B2 (en) * 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7408978B2 (en) * 2002-09-09 2008-08-05 Interdigital Technology Corporation Extended algorithm data estimator
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
EP1843481A1 (en) 2003-01-10 2007-10-10 Interdigital Technology Corporation Generalized two-stage data estimation
EP1582008B1 (en) 2003-01-10 2007-09-05 Interdigital Technology Corporation Generalized two-stage data estimation
US7042967B2 (en) 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
KR101065426B1 (ko) * 2003-03-03 2011-09-19 인터디지탈 테크날러지 코포레이션 복잡도가 감소된 슬라이딩 윈도우 기반의 등화기
US6873596B2 (en) * 2003-05-13 2005-03-29 Nokia Corporation Fourier-transform based linear equalization for CDMA downlink
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
JP4375337B2 (ja) * 2004-02-12 2009-12-02 日本電気株式会社 移動通信システム及びそれに用いる無線装置
EP1578024A1 (en) * 2004-03-16 2005-09-21 Siemens Mobile Communications S.p.A. Joint detection method using MMSE-LE for CDMA-based mobile communication systems
CN1993925A (zh) * 2004-08-04 2007-07-04 松下电器产业株式会社 无线通信方法、无线通信***以及无线通信装置
US7817754B2 (en) * 2004-12-01 2010-10-19 Bae Systems Information And Electronic Systems Integration Inc. M-algorithm with prioritized user ordering
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
EP1992134A4 (en) * 2006-03-07 2014-11-05 Ericsson Telefon Ab L M METHOD AND DEVICE FOR REDUCING FEEDBACK DATA IN A MIMO COMMUNICATION SYSTEM
FI20065276A0 (fi) * 2006-04-28 2006-04-28 Nokia Corp Signaalin käsittelymenetelmä, vastaanotin ja tasoitusmenetelmä vastaanottimessa
CN101170316B (zh) * 2006-10-24 2011-01-05 华为技术有限公司 下行信道信息反馈和接收的方法及设备
US8064550B2 (en) 2007-03-09 2011-11-22 Qualcomm, Incorporated Quadrature imbalance estimation using unbiased training sequences
US8428175B2 (en) 2007-03-09 2013-04-23 Qualcomm Incorporated Quadrature modulation rotating training sequence
US8290083B2 (en) 2007-03-09 2012-10-16 Qualcomm Incorporated Quadrature imbalance mitigation using unbiased training sequences
KR101531416B1 (ko) * 2007-09-13 2015-06-24 옵티스 셀룰러 테크놀로지, 엘엘씨 상향링크 신호 전송 방법
US8942321B2 (en) * 2010-09-22 2015-01-27 Qualcomm Incorporated Efficient compressed sensing channel estimation for single-carrier communication systems
US20120127923A1 (en) * 2010-11-23 2012-05-24 Wanlun Zhao Method and Apparatus for Enabling a Low Complexity Receiver
TWI492549B (zh) 2012-10-09 2015-07-11 Realtek Semiconductor Corp 多模式功率放大電路、多模式無線發射模組及其方法
KR102190919B1 (ko) * 2014-09-11 2020-12-14 삼성전자주식회사 시분할 듀플렉싱 코드 분할 다중 접속 방식을 지원하는 통신 시스템에서 신호 검출 장치 및 방법
US10404336B1 (en) * 2017-07-17 2019-09-03 Marvell International Ltd. Systems and methods for channel correlation based user detection in an uplink multi-user transmission of a multiple-input multiple-output network
CN113375788B (zh) * 2021-05-31 2022-05-20 哈尔滨工程大学 一种基于矩阵填充的水声传感器网络环境数据采集方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5790537A (en) * 1996-05-15 1998-08-04 Mcgill University Interference suppression in DS-CDMA systems
US6590889B1 (en) * 1997-08-11 2003-07-08 Gte Internetworking Incorporated Data communications system and hybrid time-code multiplexing method
US6339612B1 (en) 1998-02-09 2002-01-15 Motorola, Inc. Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system
SE516182C2 (sv) * 1999-02-26 2001-11-26 Ericsson Telefon Ab L M Mottagning av olika signalformatstandarder i radiosystem med flera standarder
US6885654B2 (en) * 2001-02-06 2005-04-26 Interdigital Technology Corporation Low complexity data detection using fast fourier transform of channel correlation matrix
US6625203B2 (en) * 2001-04-30 2003-09-23 Interdigital Technology Corporation Fast joint detection
US6873596B2 (en) * 2003-05-13 2005-03-29 Nokia Corporation Fourier-transform based linear equalization for CDMA downlink

Also Published As

Publication number Publication date
EP1358718A2 (en) 2003-11-05
US6885654B2 (en) 2005-04-26
KR100759297B1 (ko) 2007-09-18
CA2437660A1 (en) 2002-08-15
JP3897302B2 (ja) 2007-03-22
HK1064526A1 (en) 2005-01-28
WO2002063779A3 (en) 2002-11-28
KR100605332B1 (ko) 2006-07-28
KR20030097840A (ko) 2003-12-31
US20050180495A1 (en) 2005-08-18
JP2007053807A (ja) 2007-03-01
DE60212334T2 (de) 2007-05-31
US7715305B2 (en) 2010-05-11
KR20030076658A (ko) 2003-09-26
JP2004523957A (ja) 2004-08-05
MXPA03007025A (es) 2003-11-18
US6879578B2 (en) 2005-04-12
TW200810387A (en) 2008-02-16
MY129888A (en) 2007-05-31
ES2263771T3 (es) 2006-12-16
US20030035392A1 (en) 2003-02-20
TWI271050B (en) 2007-01-11
ATE330372T1 (de) 2006-07-15
EP1358718B1 (en) 2006-06-14
US7054300B2 (en) 2006-05-30
US6904036B2 (en) 2005-06-07
NO20033476D0 (no) 2003-08-05
TW200729760A (en) 2007-08-01
CN1295886C (zh) 2007-01-17
CN1502175A (zh) 2004-06-02
US20030043767A1 (en) 2003-03-06
AU2002243695A1 (en) 2002-08-19
DE60212334D1 (de) 2006-07-27
TWI231657B (en) 2005-04-21
US20060182070A1 (en) 2006-08-17
TW200420007A (en) 2004-10-01
WO2002063779A2 (en) 2002-08-15
JP3948570B2 (ja) 2007-07-25
TW200400713A (en) 2004-01-01
TWI267263B (en) 2006-11-21
TWI349449B (en) 2011-09-21
US20020159415A1 (en) 2002-10-31

Similar Documents

Publication Publication Date Title
NO20033476D0 (no) Lav kompleksitetsdatadeteksjon ved å bruke hurtig Fourier transformasjon avkanalkorrelasjonsmatrise
TW200729756A (en) Fast joint detection
Bouder et al. Performance analysis of a spreading sequence estimator for spread spectrum transmissions
ES2287295T3 (es) Aparato y metodo para realizar la busqueda inicial de celulas en un sistema de comunicaciones inalambricas.
IL192393A (en) Single user identification
TW200727604A (en) Efficient joint detection
Koivisto et al. Blind despreading of short-code DS-CDMA signals in asynchronous multi-user systems
CN1656765B (zh) 片段式频道均衡为基础的数据评估
MY133254A (en) Iterative fast fourier transform error correction
EP1693971A3 (en) Low complexity data detection using fast fourier transform of channel correlation matrix
JP4590269B2 (ja) Ｃｄｍａシステムにおける簡易化されたデコリレイションを有するマルチユーザ検出のための方法および装置
JP2937578B2 (ja) スペクトラム拡散通信装置
Das et al. Hardware design issues for a mobile unit for next-generation CDMA systems
TW200623664A (en) Iterative fast fourier transform error correction
Sud A reduced order code spectrum transform using auto-regression (ROCSTAR) for fast, low FAR CDMA forward link code estimation
Shen et al. Blind multi-user detection in DS-CDMA downlink under Gaussian noise using independent component analysis
Ma et al. Optimal Design of Training Sequence for MIMO Communication System Based on Information Theory
Chang Joint delay-doppler diversity for wireless mobile communications
Lei et al. Blind Estimation of the Pseudo-random Sequences of Direct Sequence Spread Spectrum Signals in Multi-Path Using Fast ICA
Tardón et al. PIC receiver implementations for the asynchronous UMTS scenarios
De Saint Pierre et al. A cellular algorithm for straight line extraction

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application