ATE355654T1 - Verfahren und empfänger zum verarbeiten eines mehrbenutzersignals - Google Patents

Verfahren und empfänger zum verarbeiten eines mehrbenutzersignals

Info

Publication number
ATE355654T1
ATE355654T1 AT03727028T AT03727028T ATE355654T1 AT E355654 T1 ATE355654 T1 AT E355654T1 AT 03727028 T AT03727028 T AT 03727028T AT 03727028 T AT03727028 T AT 03727028T AT E355654 T1 ATE355654 T1 AT E355654T1
Authority
AT
Austria
Prior art keywords
user
signal
receiver
signals
iterative
Prior art date
Application number
AT03727028T
Other languages
English (en)
Inventor
Sanjeev Naguleswaran
Mark Rice
Original Assignee
Dspace Pty Ltd
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
Priority claimed from AUPS2978A external-priority patent/AUPS297802A0/en
Application filed by Dspace Pty Ltd filed Critical Dspace Pty Ltd
Application granted granted Critical
Publication of ATE355654T1 publication Critical patent/ATE355654T1/de

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
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71075—Parallel interference cancellation
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/0048—Decoding adapted to other signal detection operation in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • H04L1/0051—Stopping criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • 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
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Error Detection And Correction (AREA)
  • Circuits Of Receivers In General (AREA)
  • Time-Division Multiplex Systems (AREA)
AT03727028T 2002-06-14 2003-06-13 Verfahren und empfänger zum verarbeiten eines mehrbenutzersignals ATE355654T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPS2978A AUPS297802A0 (en) 2002-06-14 2002-06-14 Multi-user signal processing
US40529802P 2002-08-23 2002-08-23

Publications (1)

Publication Number Publication Date
ATE355654T1 true ATE355654T1 (de) 2006-03-15

Family

ID=29737420

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03727028T ATE355654T1 (de) 2002-06-14 2003-06-13 Verfahren und empfänger zum verarbeiten eines mehrbenutzersignals

Country Status (5)

Country Link
US (1) US7415001B2 (de)
EP (1) EP1516432B1 (de)
AT (1) ATE355654T1 (de)
DE (1) DE60312163T2 (de)
WO (1) WO2003107546A1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070127553A1 (en) 1999-08-13 2007-06-07 Viasat, Inc. Code Reuse Multiple Access For Satellite Return Link
GB2403104B (en) 2003-06-16 2006-06-14 Inmarsat Ltd Communication method and apparatus
US20050036569A1 (en) * 2003-08-11 2005-02-17 Lu Chun Chian Perturbation and equalization method and system for multi-user detection
US7650379B2 (en) * 2003-12-09 2010-01-19 Viasat, Inc. Method for channel congestion management
US7362998B2 (en) * 2004-04-09 2008-04-22 Infineon Technologies Ag Mobile military satellite receiver architecture for accommodating wide carrier offset and method of performing coarse carrier offset adjustment
EP2254265A3 (de) 2005-01-05 2013-11-27 ATC Technologies, LLC Adaptive Strahlformung mit Mehrbenutzerdetektion und Interferenzreduktion bei Satellitenkommunikationsystemen und Verfahren
CN101194451B (zh) * 2005-06-27 2012-11-21 汤姆森许可贸易公司 用于迭代解码器中的功率减小的方法及装置
US7787553B2 (en) * 2005-07-01 2010-08-31 NEC Laboratories Aemrica, Inc. Group decoder with improved partitioning for multiple antenna multiuser channel
KR100923915B1 (ko) * 2005-12-16 2009-10-28 삼성전자주식회사 다중 안테나 시스템에서 반복 검출 및 복호 수신 장치 및방법
KR100922938B1 (ko) * 2006-03-09 2009-10-22 삼성전자주식회사 통신 시스템에서 데이터 수신 방법 및 장치
US8116242B2 (en) 2006-07-18 2012-02-14 Motorola Mobility, Inc. Receiver having multi-antenna log likelihood ratio generation with channel estimation error
JP5084051B2 (ja) * 2006-09-06 2012-11-28 シャープ株式会社 送受信装置、送受信システムおよび送受信方法
US8230464B2 (en) * 2006-09-26 2012-07-24 Viasat, Inc. DOCSIS MAC chip adapted
US8159994B2 (en) * 2006-09-26 2012-04-17 Viasat, Inc. High data rate multiplexing satellite stream to low data rate subscriber terminals
US8208422B2 (en) * 2006-09-26 2012-06-26 Viasat, Inc. Intra-domain load balancing
US7995515B2 (en) * 2006-10-03 2011-08-09 Viasat, Inc. Upstream resource optimization
WO2008097367A2 (en) * 2006-10-03 2008-08-14 Viasat, Inc. Forward satellite link with sub-channels
US8024644B2 (en) * 2006-11-14 2011-09-20 Via Telecom Co., Ltd. Communication signal decoding
US7991041B2 (en) * 2006-11-15 2011-08-02 Qualcomm, Incorporated Iterative detection and cancellation for wireless communication
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
FR2910200A1 (fr) * 2006-12-18 2008-06-20 Commissariat Energie Atomique Recepteur a decodage conditionnel
US20090289839A1 (en) * 2007-09-26 2009-11-26 Viasat, Inc Dynamic Sub-Channel Sizing
US8719670B1 (en) * 2008-05-07 2014-05-06 Sk Hynix Memory Solutions Inc. Coding architecture for multi-level NAND flash memory with stuck cells
US8411798B2 (en) * 2008-11-05 2013-04-02 Viasat, Inc. Reducing receiver power dissipation
US8254502B2 (en) * 2008-12-22 2012-08-28 Qualcomm Incorporated Post decoding soft interference cancellation
US8406354B2 (en) * 2009-07-01 2013-03-26 Telefonaktiebolaget L M Ericsson (Publ) Interference cancellation in a multi-user receiver
CN101944978B (zh) * 2009-07-03 2013-01-16 中兴通讯股份有限公司 基于lte系统下行发射分集模式的数据解调方法和解调装置
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
US8520550B2 (en) * 2011-11-03 2013-08-27 Xw Llc Intra-cell and inter-cell interference mitigation methods for orthogonal frequency-division multiple access cellular networks
US8897406B2 (en) * 2012-04-30 2014-11-25 Samsung Electronics Co., Ltd. Communication system with iterative detector and decoder and method of operation thereof
US8675785B2 (en) * 2012-05-14 2014-03-18 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for Turbo receiver processing
EP3017646B1 (de) * 2013-07-03 2019-04-10 Esa European Space Agency Verfahren und vorrichtung zur übertragung von datenpaketen über einen übertragungskanal mit mehreren benutzern
EP3036837B1 (de) * 2013-08-21 2018-10-17 Myriota Pty Ltd Mehrbenutzer-kommunikationssystem
EP3148109A4 (de) 2014-06-13 2017-07-05 Huawei Technologies Co., Ltd. Downlink-mehrzugangsverfahren, basisstation und endgerät
EP3335339B1 (de) 2015-08-11 2019-04-17 Telecom Italia S.p.A. Empfänger für drahtloskommunikationsnetzwerke
US9712355B1 (en) * 2016-01-11 2017-07-18 Qualcomm Incorporated Spreading techniques for frequency-shift keying modulation
US10305717B2 (en) * 2016-02-26 2019-05-28 VertoCOMM, Inc. Devices and methods using the hermetic transform for transmitting and receiving signals using multi-channel signaling
EP3451561A1 (de) * 2017-08-28 2019-03-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Hybrider decoder für codierte aloha mit zeitschlitzen
CN113676225B (zh) * 2020-05-15 2022-10-04 华为技术有限公司 一种大规模mimo预编码传输方法与装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6137843A (en) * 1995-02-24 2000-10-24 Ericsson Inc. Methods and apparatus for canceling adjacent channel signals in digital communications systems
JP3583006B2 (ja) * 1999-02-24 2004-10-27 株式会社日立国際電気 符号分割多重アクセス受信機
GB2360425A (en) * 2000-03-16 2001-09-19 Siemens Ag Channel state information estimation for turbo-code decoders
US6581182B1 (en) * 2000-05-15 2003-06-17 Agere Systems Inc. Iterative decoding with post-processing of detected encoded data
US7315567B2 (en) * 2000-07-10 2008-01-01 Motorola, Inc. Method and apparatus for partial interference cancellation in a communication system
EP1179934A1 (de) * 2000-08-11 2002-02-13 Mitsubishi Electric Information Technology Centre Europe B.V. Adaptive Turbo-Entzerrung
US6947505B2 (en) * 2000-09-20 2005-09-20 Bae Systems Information And Electronic Systems Integration Inc. System for parameter estimation and tracking of interfering digitally modulated signals
US6351216B1 (en) * 2001-02-05 2002-02-26 Sensormatic Electronics Corporation Large signal noise cancellation in electronic article surveillance

Also Published As

Publication number Publication date
EP1516432B1 (de) 2007-02-28
EP1516432A4 (de) 2005-06-08
EP1516432A1 (de) 2005-03-23
DE60312163T2 (de) 2007-10-31
US20050174983A1 (en) 2005-08-11
DE60312163D1 (de) 2007-04-12
WO2003107546A1 (en) 2003-12-24
US7415001B2 (en) 2008-08-19

Similar Documents

Publication Publication Date Title
ATE355654T1 (de) Verfahren und empfänger zum verarbeiten eines mehrbenutzersignals
KR100330244B1 (ko) 이동 통신시스템의 데이터 레이트 검출 장치 및 방법
EP1521375A3 (de) Signaldekodierungsmethoden und Vorrichtung
JPH09294095A (ja) 適応等化器
AU2385100A (en) Reduced complexity demodulator for multi-bit symbols
US6510143B1 (en) Adaptive path searcher in a CDMA receiver
ATE288164T1 (de) Zweistufiger entzerrer für trelliskodierte systeme
CN102034476B (zh) 语音帧错误检测的方法及装置
WO2005011220A8 (en) Channel estimation and sequence estimation for the reception of optical signal
AU2003234633A1 (en) Power and confidence ordered low complexity soft turbomud with voting system
US20130282367A1 (en) Method and apparatus for performing voice activity detection
FI20000820A7 (fi) Kanavakorjaimen optimointi
CN102420671B (zh) 一种自适应的Turbo译码迭代次数选择方法
KR20010085143A (ko) 부호 분할 다중 접속 수신기의 검파 장치 및 방법
WO2005043317A3 (en) System and method for adjusting soft decision thresholds in a soft-decision error correction system
CN111179931A (zh) 用于语音交互的方法、装置及家用电器
JP2007508758A (ja) 反復的な干渉推定および時空間的白色化による単一アンテナ干渉除去
WO2008047735A3 (en) Wireless communications apparatus
AU2003216582A1 (en) Method and system for speech recognition of symbol sequences
TWI491186B (zh) 連續干擾消除處理方法、裝置及聯合檢測方法、裝置
US7724809B2 (en) Joint detection-decoding receiver of DS-CDMA system
WO2007072348A3 (en) A method for signal reception in a ofdm system
US20020080896A1 (en) Fast, blind equalization techniques using reliable symbols
KR101651588B1 (ko) 입력 신호로부터 잡음 신호를 제거하는 방법 및 그 장치
ATE311704T1 (de) Verfahren zum schätzen der bitfehlerrate in einem funkempfänger sowie entsprechender funkempfänger

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties