[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

DE60320996D1 - Skalierung unter verwendung von verstärkungsfaktoren zur verwendung in datendetektion für drahtlose kodeunterteilungs-vielfachzugriffskommunikationssysteme - Google Patents

Skalierung unter verwendung von verstärkungsfaktoren zur verwendung in datendetektion für drahtlose kodeunterteilungs-vielfachzugriffskommunikationssysteme

Info

Publication number
DE60320996D1
DE60320996D1 DE60320996T DE60320996T DE60320996D1 DE 60320996 D1 DE60320996 D1 DE 60320996D1 DE 60320996 T DE60320996 T DE 60320996T DE 60320996 T DE60320996 T DE 60320996T DE 60320996 D1 DE60320996 D1 DE 60320996D1
Authority
DE
Germany
Prior art keywords
scaling
communication systems
data detection
access communication
code distribution
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
DE60320996T
Other languages
English (en)
Inventor
Jung-Lin Pan
Younglok Kim
Donald M Grieco
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology 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 Technology Corp filed Critical InterDigital Technology Corp
Application granted granted Critical
Publication of DE60320996D1 publication Critical patent/DE60320996D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • H04B1/69—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • 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
    • H04L25/0202—Channel estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Circuits Of Receivers In General (AREA)
DE60320996T 2002-07-18 2003-07-09 Skalierung unter verwendung von verstärkungsfaktoren zur verwendung in datendetektion für drahtlose kodeunterteilungs-vielfachzugriffskommunikationssysteme Expired - Lifetime DE60320996D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US39682302P 2002-07-18 2002-07-18
US10/327,299 US6928104B2 (en) 2002-07-18 2002-12-20 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
PCT/US2003/021293 WO2004023696A2 (en) 2002-07-18 2003-07-09 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems

Publications (1)

Publication Number Publication Date
DE60320996D1 true DE60320996D1 (de) 2008-06-26

Family

ID=30448158

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60320996T Expired - Lifetime DE60320996D1 (de) 2002-07-18 2003-07-09 Skalierung unter verwendung von verstärkungsfaktoren zur verwendung in datendetektion für drahtlose kodeunterteilungs-vielfachzugriffskommunikationssysteme

Country Status (14)

Country Link
US (5) US6928104B2 (de)
EP (1) EP1523810B1 (de)
JP (2) JP2005533460A (de)
KR (2) KR100808895B1 (de)
CN (1) CN1768485B (de)
AT (1) ATE395753T1 (de)
AU (1) AU2003298522A1 (de)
CA (1) CA2492677A1 (de)
DE (1) DE60320996D1 (de)
ES (1) ES2306915T3 (de)
MX (1) MXPA05000786A (de)
NO (1) NO20050601L (de)
TW (3) TW200501622A (de)
WO (1) WO2004023696A2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6928104B2 (en) * 2002-07-18 2005-08-09 Interdigital Technology Corporation Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
US20060013181A1 (en) * 2002-07-31 2006-01-19 Victor Stolpman Apparatus, and associated method, for allocating communications in a multi-channel communication system
US7257170B2 (en) * 2002-08-21 2007-08-14 Texas Instruments Incorporated Channel norm-based ordering and whitened decoding for MIMO communication systems
US7715508B2 (en) 2005-11-15 2010-05-11 Tensorcomm, Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US8005128B1 (en) 2003-09-23 2011-08-23 Rambus Inc. Methods for estimation and interference cancellation for signal processing
US7340013B2 (en) * 2002-10-24 2008-03-04 Agere Systems Inc. Soft sample scaling in a turbo decoder
US7161973B2 (en) * 2002-12-17 2007-01-09 Sbc Properties, L.P. Pilot aided adaptive minimum mean square interference cancellation and detection
US6937644B2 (en) * 2003-01-10 2005-08-30 Interdigital Technology Corporation Generalized two-stage data estimation
US7099378B2 (en) * 2003-01-30 2006-08-29 The Mitre Corporation Sub-symbol parallel interference cancellation
US7627021B2 (en) * 2003-01-30 2009-12-01 The Mitre Corporation Interference canceling CDMA mobile station receiver
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US7437135B2 (en) * 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7627059B2 (en) * 2005-04-05 2009-12-01 Samsung Electronics Co., Ltd. Method of robust timing detection and carrier frequency offset estimation for OFDM systems
US7826516B2 (en) * 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
US7711075B2 (en) 2005-11-15 2010-05-04 Tensorcomm Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7991088B2 (en) 2005-11-15 2011-08-02 Tommy Guess Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7616699B2 (en) * 2005-04-12 2009-11-10 Samsung Electronics Co., Ltd. Method of soft bit metric calculation with direct matrix inversion MIMO detection
KR100724986B1 (ko) 2005-06-28 2007-06-04 삼성전자주식회사 부호분할 다중접속 시스템에서 터보 복호기의 입력데이터를 위한 스케일링 인자의 결정 방법 및 장치
US20070076791A1 (en) * 2005-07-26 2007-04-05 Interdigital Technology Corporation Approximate cholesky decomposition-based block linear equalizer
KR100651913B1 (ko) * 2005-08-26 2006-12-01 엘지전자 주식회사 Ｏｆｄｍ 변조신호 수신장치의 등화기
US7702048B2 (en) * 2005-11-15 2010-04-20 Tensorcomm, Incorporated Iterative interference cancellation using mixed feedback weights and stabilizing step sizes
US7623602B2 (en) * 2005-11-15 2009-11-24 Tensorcomm, Inc. Iterative interference canceller for wireless multiple-access systems employing closed loop transmit diversity
US20070110135A1 (en) * 2005-11-15 2007-05-17 Tommy Guess Iterative interference cancellation for MIMO-OFDM receivers
US7751506B2 (en) 2005-12-01 2010-07-06 Samsung Electronics Co., Ltd. Method for the soft bit metric calculation with linear MIMO detection for LDPC codes
EP1988645A4 (de) * 2006-02-01 2014-01-15 Nec Corp Entzerrungseinrichtung und entzerrungsverfahren
WO2007127911A2 (en) * 2006-04-28 2007-11-08 University Of Pittsburgh Of The Commonwealth System Of Higher Education Determining the three-dimensional read accuracy of an rfid tag using a power scaling factor
US7664512B2 (en) * 2006-08-10 2010-02-16 L3 Communications Integrated Systems, L.P. Datalink throughput reduction via energy detection
US7924948B2 (en) * 2006-09-29 2011-04-12 Mediatek Inc. Pre-scaling of initial channel estimates in joint detection
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
US7974334B2 (en) * 2007-01-30 2011-07-05 Texas Instruments Incorporated Systems and methods for hybrid-MIMO equalization
US20080181324A1 (en) * 2007-01-30 2008-07-31 Texas Instruments Incorporated Systems and methods for scaling to equalize noise variance
KR100969781B1 (ko) * 2007-01-31 2010-07-13 삼성전자주식회사 통신 시스템에서 가중치 계수 결정 방법 및 장치
US8831156B2 (en) 2009-11-27 2014-09-09 Qualcomm Incorporated Interference cancellation for non-orthogonal channel sets
US8942331B2 (en) * 2012-07-12 2015-01-27 Qualcomm Incorporated Apparatus and method for improving the performance of a linear equalizer with multiple receive antennas
EP3270554B1 (de) * 2016-07-12 2019-03-20 Mitsubishi Electric R&D Centre Europe B.V. Kanalschätzung mit farbigem rauschen

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5583886A (en) * 1992-12-03 1996-12-10 Motorola, Inc. Method for determining a plurality of channel responses and modifying a received signal therewith
US5619525A (en) 1995-06-06 1997-04-08 Globalstar L.P. Closed loop power control for low earth orbit satellite communications system
US5737327A (en) 1996-03-29 1998-04-07 Motorola, Inc. Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
KR100194956B1 (ko) 1996-08-21 1999-06-15 정선종 코드분할다중화접속 이동 무선전화 시스템을 위한 적응 전력 제어방법
US6356639B1 (en) 1997-04-11 2002-03-12 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
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
US6085104A (en) * 1998-03-25 2000-07-04 Sharp Laboratories Of America, Inc. Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
KR100301284B1 (ko) 1998-04-10 2001-10-27 곽경섭 씨디엠에이시스템의다중사용자신호의수신방법및수신기
TW428371B (en) 1999-05-28 2001-04-01 Acer Peripherals Inc Radio transceiver system capable of dynamically adjusting the operating bias point of a low noise amplifier
US6801565B1 (en) * 1999-06-25 2004-10-05 Ericsson Inc. Multi-stage rake combining methods and apparatus
US6151358A (en) * 1999-08-11 2000-11-21 Motorola, Inc. Method and apparatus, and computer program for producing filter coefficients for equalizers
US6590932B1 (en) * 1999-11-24 2003-07-08 Ericsson Inc. Methods, receiver devices and systems for whitening a signal disturbance in a communication signal
FI20000820A (fi) * 2000-04-06 2001-10-07 Nokia Networks Oy Kanavakorjaimen optimointi
US6633766B1 (en) 2000-04-24 2003-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Frequency selective RF output power calibration using digital and analog power measurements for use in a cellular telecommunications system
JP4165629B2 (ja) 2000-04-26 2008-10-15 モトローラ・インコーポレイテッド 受信信号電力および受信干渉電力を測定する電力測定装置
US6952561B1 (en) * 2000-08-31 2005-10-04 Lucent Technologies Inc. Enhanced metric for bit detection on fading channels with unknown statistics
WO2003025513A2 (en) * 2001-09-18 2003-03-27 Interdigital Technology Corporation Method and apparatus for interference signal code power and noise variance estimation
US7035353B2 (en) * 2001-10-24 2006-04-25 Zenith Electronics Corporation Channel estimation method blending correlation and least-squares based approaches
US20030125040A1 (en) * 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
US7346126B2 (en) * 2001-11-28 2008-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation using plural channels
US6862271B2 (en) * 2002-02-26 2005-03-01 Qualcomm Incorporated Multiple-input, multiple-output (MIMO) systems with multiple transmission modes
US6928104B2 (en) * 2002-07-18 2005-08-09 Interdigital Technology Corporation Scaling using gain factors for use in data detection for wireless code division multiple access communication systems

Also Published As

Publication number Publication date
TW200402204A (en) 2004-02-01
US8189648B2 (en) 2012-05-29
TW200501622A (en) 2005-01-01
JP2005533460A (ja) 2005-11-04
CA2492677A1 (en) 2004-03-18
ATE395753T1 (de) 2008-05-15
EP1523810B1 (de) 2008-05-14
NO20050601L (no) 2005-02-03
US7583722B2 (en) 2009-09-01
US20060188008A1 (en) 2006-08-24
JP2006025453A (ja) 2006-01-26
AU2003298522A8 (en) 2004-03-29
EP1523810A4 (de) 2005-11-02
US7313172B2 (en) 2007-12-25
KR100808895B1 (ko) 2008-03-07
CN1768485A (zh) 2006-05-03
EP1523810A2 (de) 2005-04-20
CN1768485B (zh) 2010-05-12
KR20050098026A (ko) 2005-10-10
ES2306915T3 (es) 2008-11-16
TWI320640B (en) 2010-02-11
TW200723721A (en) 2007-06-16
AU2003298522A1 (en) 2004-03-29
US7042929B2 (en) 2006-05-09
WO2004023696A3 (en) 2004-07-01
JP4385015B2 (ja) 2009-12-16
MXPA05000786A (es) 2005-04-19
US20090316762A1 (en) 2009-12-24
KR20050021510A (ko) 2005-03-07
TWI237456B (en) 2005-08-01
US20040013171A1 (en) 2004-01-22
US20050243900A1 (en) 2005-11-03
US6928104B2 (en) 2005-08-09
US20080095216A1 (en) 2008-04-24
WO2004023696A2 (en) 2004-03-18

Similar Documents

Publication Publication Date Title
DE60320996D1 (de) Skalierung unter verwendung von verstärkungsfaktoren zur verwendung in datendetektion für drahtlose kodeunterteilungs-vielfachzugriffskommunikationssysteme
DE60028592D1 (de) Empfänger zur mehrbenutzererkennung von cdma-signalen
MY142223A (en) Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
PH12018501632A1 (en) Narrowband wireless communications cell search
ATE501620T1 (de) Funkbetriebsmittelzuweisung im steuerkanal in drahtlosen kommunikationssystemen
DE60313438D1 (de) Dynamische kanalkonfiguration in einem zellularen funknetz
TW200501594A (en) System and method for a direct conversion multi-carrier processor
TW200723914A (en) Method and apparatus for locating a wireless local area network in a wide area network
MY135625A (en) Method and apparatus for estimating carrier frequency offset and fading rate using autoregressive channel modeling
WO2008069735A3 (en) Method and apparatus for suppressing interference based on channelization code power estimation with bias removal
TW200507477A (en) Systems and methods for improving channel estimation
ATE554543T1 (de) Verfahren und system zur stoerungsbewertung und reduktion in einem drahtlosen kommunikaitonssystem
TW200627823A (en) Wireless communication unit and method of processing a code division multiple access signal
SE0104180D0 (sv) method and arrangement in a telecommunications system
ATE490662T1 (de) Verfahren und gerät zur regelung des verstärkungspegels eines kommunikationskanals in einem cdma kommunikationssystem
NO20045288L (no) Segmentvis kanalutjevningsbasert dataestimering
EA200601638A1 (ru) Система и способ адаптивной модуляции
DE50106033D1 (de) Verfahren zur schätzung von kanalparametern von funkkanälen eines w-cdma-mobilfunksystems
WO2003084105A3 (en) Estimating power on spatial channels
CN103493396A (zh) 天线接收模式的配置处理方法、基站控制器和基站
UA97347C2 (ru) Способ и устройство (варианты) предназначенные для определения местоположения беспроводной локальной сети в глобальной сети
DE60316413D1 (de) Empfänger für drahtlose Telekommunikationsstationen und Verfahren
EP1557963A3 (de) System, Verfahren und Vorrichtung zum Antennenauswahl
DE602005016959D1 (de) Vorrichtung und verfahren zur gewinnung von positionsinformationen
UA91881C2 (ru) Передача пилот сигналов в системах беспроводной связи

Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: VOSSIUS & PARTNER, 81675 MUENCHEN

8364 No opposition during term of opposition