HU215623B - Kódosztásos multiplex átviteli rendszer, a benne alkalmazott vevő és a vevőben alkalmazott detektor - Google Patents

Kódosztásos multiplex átviteli rendszer, a benne alkalmazott vevő és a vevőben alkalmazott detektor Download PDF

Info

Publication number
HU215623B
HU215623B HU9500161A HU9500161A HU215623B HU 215623 B HU215623 B HU 215623B HU 9500161 A HU9500161 A HU 9500161A HU 9500161 A HU9500161 A HU 9500161A HU 215623 B HU215623 B HU 215623B
Authority
HU
Hungary
Prior art keywords
receiver
detector
transmission system
multiplex transmission
channel
Prior art date
Application number
HU9500161A
Other languages
English (en)
Hungarian (hu)
Other versions
HUT68377A (en
Inventor
Jörn Thielecke
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of HUT68377A publication Critical patent/HUT68377A/hu
Publication of HU215623B publication Critical patent/HU215623B/hu

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
    • H04B1/71057—Joint detection techniques, e.g. linear detectors using maximum-likelihood sequence estimation [MLSE]
    • 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
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Noise Elimination (AREA)
HU9500161A 1993-05-21 1994-05-20 Kódosztásos multiplex átviteli rendszer, a benne alkalmazott vevő és a vevőben alkalmazott detektor HU215623B (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4316939A DE4316939A1 (de) 1993-05-21 1993-05-21 CDMA-Übertragungssystem

Publications (2)

Publication Number Publication Date
HUT68377A HUT68377A (en) 1995-06-28
HU215623B true HU215623B (hu) 1999-01-28

Family

ID=6488578

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9500161A HU215623B (hu) 1993-05-21 1994-05-20 Kódosztásos multiplex átviteli rendszer, a benne alkalmazott vevő és a vevőben alkalmazott detektor

Country Status (10)

Country Link
EP (1) EP0656162A1 (OSRAM)
JP (1) JPH07509356A (OSRAM)
KR (1) KR100336544B1 (OSRAM)
CN (1) CN1063600C (OSRAM)
AU (1) AU682689B2 (OSRAM)
CZ (1) CZ286408B6 (OSRAM)
DE (1) DE4316939A1 (OSRAM)
HU (1) HU215623B (OSRAM)
TW (1) TW241419B (OSRAM)
WO (1) WO1994028642A1 (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3893151B2 (ja) * 1994-02-25 2007-03-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 多重アクセスディジタル伝送装置と無線基地局およびそのような装置に用いるための受信機
EP0767543A3 (de) * 1995-10-06 2000-07-26 Siemens Aktiengesellschaft Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung
DE19605567A1 (de) * 1996-02-15 1997-08-21 Sel Alcatel Ag Optisches frequenzkodiertes CDMA-Übertragungssystem und optischer Empfänger dafür
DE19638404C1 (de) * 1996-09-19 1998-02-19 Siemens Ag Verfahren und Empfänger zum Ermitteln von mit dem CDMA-Verfahren codierten Symbolwertfolgen mit Hilfe individueller Viterbi-Algorithmen
US6377610B1 (en) * 1997-04-25 2002-04-23 Deutsche Telekom Ag Decoding method and decoding device for a CDMA transmission system for demodulating a received signal available in serial code concatenation
DE19717546B4 (de) * 1996-12-05 2014-05-15 Deutsche Telekom Ag Verfahren und Vorrichtung zur Decodierung bei einem CDMA-Übertragungssystem zum Demodulieren eines Empfangssignals, das in serieller Codeverkettung vorliegt
SG77607A1 (en) 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver
US7486722B2 (en) 2001-04-18 2009-02-03 Bae Systems Information And Electronic Systems Integration Inc. Bandwidth efficient cable network modem
US7233620B2 (en) 2001-04-18 2007-06-19 Bae Systems Information And Electronic Systems Integration Inc. Bandwidth-efficient wireless network modem
US20030227879A1 (en) * 2002-06-05 2003-12-11 Farrokh Abrishamkar Method and apparatus for pilot estimation using a prediction error method with a kalman filter and pseudo-linear regression
AU2003237337A1 (en) 2002-11-19 2004-06-15 Bae Systems Information And Electronic Systems Integration Inc Bandwidth efficient wirless network modem
FI20085423A0 (fi) * 2008-05-08 2008-05-08 Nokia Siemens Networks Oy Synkronointi matkaviestinjärjestelmässä

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099493A (en) * 1990-08-27 1992-03-24 Zeger-Abrams Incorporated Multiple signal receiver for direct sequence, code division multiple access, spread spectrum signals
US5166953A (en) * 1990-10-30 1992-11-24 General Electric Company Technique for frequency-hopped spread spectrum communications
US5297161A (en) * 1992-06-29 1994-03-22 Motorola Inc. Method and apparatus for power estimation in an orthogonal coded communication system

Also Published As

Publication number Publication date
KR100336544B1 (ko) 2002-10-18
TW241419B (OSRAM) 1995-02-21
CN1110072A (zh) 1995-10-11
AU6686994A (en) 1994-12-20
AU682689B2 (en) 1997-10-16
HUT68377A (en) 1995-06-28
JPH07509356A (ja) 1995-10-12
EP0656162A1 (en) 1995-06-07
WO1994028642A1 (en) 1994-12-08
KR950702767A (ko) 1995-07-29
CN1063600C (zh) 2001-03-21
CZ286408B6 (en) 2000-04-12
CZ14895A3 (en) 1995-06-14
DE4316939A1 (de) 1994-11-24

Similar Documents

Publication Publication Date Title
US5917829A (en) Asynchronous CDMA decorrelating detector
US5341395A (en) Data recovery technique for asynchronous CDMA systems
US6944245B2 (en) Multi-pass interference reduction in a GSM communication system
AU682549B2 (en) Reception method and CDMA receiver
US6345073B1 (en) Convolutional despreading method for rapid code phase determination of chipping codes of spread spectrum systems
KR100283379B1 (ko) 병렬 다단 간섭 제거 장치
JP2003512759A (ja) Ｃｄｍａ信号のマルチユーザ検出のための受信機
EP0784888B1 (en) Interference cancellation method, and receiver
WO2002041515A2 (en) Self-synchronizing adaptive multistage receiver for wireless communication systems
HU215623B (hu) Kódosztásos multiplex átviteli rendszer, a benne alkalmazott vevő és a vevőben alkalmazott detektor
EP0756794B1 (en) Receiving method and receiver
US20080130674A1 (en) Method and System For Multi-User Channel Estimation in Ds-Cdma Systems
EP0674401A1 (en) Spread spectrum signal receiver
Schniter et al. Minimum-entropy blind acquisition/equalization for uplink DS-CDMA
KR100435411B1 (ko) 무선 수신 시스템
JP2000049881A (ja) 通信システム
Song et al. Subspace blind detection of asynchronous CDMA signals in multipath channels
EP1059784A1 (en) Matrix manipulation for channel estimation
WO1999052249A1 (en) A receiver for spread spectrum communications signals
Poor Adaptivity in multiple-access communications
USRE41107E1 (en) Method of receiving CDMA signals with parallel interference suppression, and corresponding stage and receiver
USRE40716E1 (en) CDMA receiver with parallel interference suppression and optimized synchronization
Tam et al. Performance Analysis for Multiple Access CSK and DCSK Communication Systems

Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee