[go: up one dir, main page]

DE60006966D1 - Übertragungssystem und verfahren zur orthogonalen mehrträgerkodierung - Google Patents

Übertragungssystem und verfahren zur orthogonalen mehrträgerkodierung

Info

Publication number
DE60006966D1
DE60006966D1 DE60006966T DE60006966T DE60006966D1 DE 60006966 D1 DE60006966 D1 DE 60006966D1 DE 60006966 T DE60006966 T DE 60006966T DE 60006966 T DE60006966 T DE 60006966T DE 60006966 D1 DE60006966 D1 DE 60006966D1
Authority
DE
Germany
Prior art keywords
channel
transmission
weighting factors
summed
sequence
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
DE60006966T
Other languages
English (en)
Inventor
W Dent
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 US09/340,907 external-priority patent/US6680928B1/en
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE60006966D1 publication Critical patent/DE60006966D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H04L5/0019—Time-frequency-code in which one code is applied, as a temporal sequence, to all frequencies
    • 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
    • H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60006966T 1999-06-28 2000-06-07 Übertragungssystem und verfahren zur orthogonalen mehrträgerkodierung Expired - Lifetime DE60006966D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/340,907 US6680928B1 (en) 1997-07-22 1999-06-28 Communications system and method for multi-carrier orthogonal coding
PCT/US2000/015500 WO2001001584A2 (en) 1999-06-28 2000-06-07 Communications system and method for multi-carrier orthogonal coding

Publications (1)

Publication Number Publication Date
DE60006966D1 true DE60006966D1 (de) 2004-01-15

Family

ID=23335426

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60006966T Expired - Lifetime DE60006966D1 (de) 1999-06-28 2000-06-07 Übertragungssystem und verfahren zur orthogonalen mehrträgerkodierung

Country Status (7)

Country Link
EP (1) EP1195013B1 (de)
JP (1) JP2003503875A (de)
CN (1) CN1371553A (de)
AT (1) ATE255788T1 (de)
AU (1) AU6048100A (de)
DE (1) DE60006966D1 (de)
WO (1) WO2001001584A2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7092440B1 (en) 2000-09-27 2006-08-15 Ut-Battelle Llc Hybrid spread-spectrum technique for expanding channel capacity
AU2003203650A1 (en) * 2002-01-18 2003-08-07 Raytheon Company Combining signals exhibiting multiple types of diversity
US20040001539A1 (en) * 2002-06-26 2004-01-01 Sankaran Sundar G. Training using overhead data in a wireless communications network
JP4163942B2 (ja) * 2002-12-25 2008-10-08 松下電器産業株式会社 無線通信装置及び無線送信方法
US7340001B2 (en) 2003-12-03 2008-03-04 Ut-Battelle Llc Multidimensional signal modulation and/or demodulation for data communications
US7315563B2 (en) * 2003-12-03 2008-01-01 Ut-Battelle Llc Multicarrier orthogonal spread-spectrum (MOSS) data communications
US7656931B2 (en) 2003-12-31 2010-02-02 Ut-Battelle, Llc Hybrid spread spectrum radio system
ES2438532T3 (es) * 2004-07-06 2014-01-17 Telefonaktiebolaget L M Ericsson (Publ) Códigos ortogonales de longitud variable no contiguos
JP4657891B2 (ja) * 2005-11-02 2011-03-23 Ｋｄｄｉ株式会社 マルチキャリア伝送システムおよびマルチキャリア伝送方法
JP4684852B2 (ja) * 2005-11-02 2011-05-18 Ｋｄｄｉ株式会社 符号拡散方法及び符号拡散装置
CN101141179B (zh) * 2006-09-08 2011-06-01 华为技术有限公司 在无线通信系统中实现信息传递的方法及装置
CN102396173A (zh) * 2009-07-23 2012-03-28 华为技术有限公司 多载波信号的频谱整形
CN102638426A (zh) * 2012-03-19 2012-08-15 航天科工深圳（集团）有限公司 一种基于频率的通信互连系统及其实现方法
WO2014169947A1 (en) * 2013-04-15 2014-10-23 Huawei Technologies Co., Ltd. Methods and nodes for using precoding in a wirless communication network
FR3071983B1 (fr) * 2017-09-29 2019-10-25 Alstom Transport Technologies Emetteur de donnee(s)
FR3071985B1 (fr) * 2017-09-29 2019-10-25 Alstom Transport Technologies Systeme de communication cdma, produit programme d'ordinateur et procede de communication associes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296374A (en) * 1979-10-11 1981-10-20 Bell Telephone Laboratories, Incorporated Wideband digital spectrometer
US5956345A (en) * 1996-09-13 1999-09-21 Lucent Technologies Inc. IS-95 compatible wideband communication scheme
US6256290B1 (en) * 1996-09-13 2001-07-03 Lucent Technologies, Inc. Multi-carrier CDMA transmission system with frequency and transmit diversity

Also Published As

Publication number Publication date
EP1195013B1 (de) 2003-12-03
EP1195013A2 (de) 2002-04-10
WO2001001584A3 (en) 2001-07-12
WO2001001584A2 (en) 2001-01-04
ATE255788T1 (de) 2003-12-15
CN1371553A (zh) 2002-09-25
AU6048100A (en) 2001-01-31
JP2003503875A (ja) 2003-01-28

Similar Documents

Publication Publication Date Title
DE60006966D1 (de) Übertragungssystem und verfahren zur orthogonalen mehrträgerkodierung
EP0729241A3 (de) Kommunikationsanordnung und -verfahren mit Mehrfachzugriff durch Kodeverteilung (CDMA) mit zwei Betriebsarten
EP0700170A3 (de) Verfahren und Gerät zur Spreizspektrumpulspositionsmodulation
DE69735984D1 (de) Verwendung von orthogonalen signalformen, die mehreren sendern das teilen eines einzigen cdm-kanals ermöglicht
EE200000632A (et) Skrambleeritud kodeerimisega raadiosignaalide hajutatud edastamise meetodid, süsteemid ja terminalid
TW363319B (en) Coding for higher-level modulation
BR9910588A (pt) Processo para informação de comunicação entre uma primeira estação e um número de segundas estaçãoes localizadas, e, transmissor para transmissão de sìmbolos digitais de uma primeira estação para uma pluralidade de sugundas estações
CA2102601A1 (en) Spread Spectrum Correlator
DE69732478D1 (de) Radiosystem und sende-/empfangsverfahren
CA2212265A1 (en) Is-95 compatible wideband communication scheme
CA2206380A1 (en) Ds-cdma transmission method
TW200518491A (en) Interference management for soft handoff and broadcast services in a wireless frequency hopping communication system
NO974002L (no) Digitalsambandssystem med komplementære koder og amplitudemodulasjon
IL111449A0 (en) Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
MY108717A (en) Cdma subtractive demodulation.
EP0940937A3 (de) CDMA zellulares System mit einer mehrfach Pilot Kanäle
ATE247350T1 (de) Gleichzeitige demodulation und dekodierung eines digital modulierten funksignals
EP1603248A3 (de) Spreizcodesgenerator für CDMA Nachrichtentechnikssysteme
SE9802651D0 (sv) Multipelaccesskommunikationssystem med ortogonal kodhoppning
DE60045914D1 (de) Datenübertragungsvorrichtung und -verfahren in einem mehrträger-cdma-nachrichtenübertragungssystem
SG167663A1 (en) Communicating data using wideband communications
KR880009502A (ko) 정보 전송 방법 및 그 장치
EP0918409A3 (de) Robuste digitale Modulations- und Demodulationsart für Funkübertragung unter Fading-Bedingungen
WO1999003227A3 (en) Method for eliminating interference in an ofdm radio receiver
WO2001005081A1 (en) Method for generating preamble sequences in a code division multiple access system

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON INC., PLANO, TEX., US

8332 No legal effect for de