SE9700212L - Förfarande och arrangemang i ett kommunikationssystem - Google Patents

Förfarande och arrangemang i ett kommunikationssystem

Info

Publication number
SE9700212L
SE9700212L SE9700212A SE9700212A SE9700212L SE 9700212 L SE9700212 L SE 9700212L SE 9700212 A SE9700212 A SE 9700212A SE 9700212 A SE9700212 A SE 9700212A SE 9700212 L SE9700212 L SE 9700212L
Authority
SE
Sweden
Prior art keywords
sequence
orthogonal gold
symbol
arrangement
cvn
Prior art date
Application number
SE9700212A
Other languages
English (en)
Other versions
SE9700212D0 (sv
Inventor
Branislav Popovic
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9700212A priority Critical patent/SE9700212L/sv
Publication of SE9700212D0 publication Critical patent/SE9700212D0/sv
Priority to BR9714325-1A priority patent/BR9714325A/pt
Priority to PCT/SE1997/002183 priority patent/WO1998033290A1/en
Priority to AU55057/98A priority patent/AU738415B2/en
Priority to CN97182046A priority patent/CN1249090A/zh
Priority to EP97951406A priority patent/EP0950296A1/en
Priority to KR1019997006619A priority patent/KR20000070386A/ko
Priority to JP53189098A priority patent/JP2001509339A/ja
Priority to CA002277747A priority patent/CA2277747A1/en
Priority to TW86119996A priority patent/TW379487B/zh
Priority to US09/008,539 priority patent/US6091761A/en
Publication of SE9700212L publication Critical patent/SE9700212L/sv

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
    • H04B1/709—Correlator structure
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0051—Orthogonal gold

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Complex Calculations (AREA)
SE9700212A 1997-01-24 1997-01-24 Förfarande och arrangemang i ett kommunikationssystem SE9700212L (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9700212A SE9700212L (sv) 1997-01-24 1997-01-24 Förfarande och arrangemang i ett kommunikationssystem
CA002277747A CA2277747A1 (en) 1997-01-24 1997-12-19 A method and an arrangement for despreading a coded sequence in a communication system
CN97182046A CN1249090A (zh) 1997-01-24 1997-12-19 一种用来解扩展在通信系统中的编码序列的方法和装置
PCT/SE1997/002183 WO1998033290A1 (en) 1997-01-24 1997-12-19 A method and an arrangement for despreading a coded sequence in a communication system
AU55057/98A AU738415B2 (en) 1997-01-24 1997-12-19 A method and an arrangement for despreading a coded sequence in a communication system
BR9714325-1A BR9714325A (pt) 1997-01-24 1997-12-19 Processo para desespalhamento de uma sequência de sìmbolo para obter um número de valores de correlação e para obter um número de canais de código, e, arranjo de um banco de correlatores (600) para desespalhar uma sequência de sìmbolo para obter um número de canais de código
EP97951406A EP0950296A1 (en) 1997-01-24 1997-12-19 A method and an arrangement for despreading a coded sequence in a communication system
KR1019997006619A KR20000070386A (ko) 1997-01-24 1997-12-19 통신 시스템에서 코딩된 시퀀스를 디스프레딩하는 방법 및 장치
JP53189098A JP2001509339A (ja) 1997-01-24 1997-12-19 通信システムにおける符号化されたシーケンスの逆拡散方法と装置
TW86119996A TW379487B (en) 1997-01-24 1997-12-30 A method and arrangement in a communication system
US09/008,539 US6091761A (en) 1997-01-24 1998-01-16 Despreading method and arrangement in communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700212A SE9700212L (sv) 1997-01-24 1997-01-24 Förfarande och arrangemang i ett kommunikationssystem

Publications (2)

Publication Number Publication Date
SE9700212D0 SE9700212D0 (sv) 1997-01-24
SE9700212L true SE9700212L (sv) 1998-07-25

Family

ID=20405519

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700212A SE9700212L (sv) 1997-01-24 1997-01-24 Förfarande och arrangemang i ett kommunikationssystem

Country Status (11)

Country Link
US (1) US6091761A (sv)
EP (1) EP0950296A1 (sv)
JP (1) JP2001509339A (sv)
KR (1) KR20000070386A (sv)
CN (1) CN1249090A (sv)
AU (1) AU738415B2 (sv)
BR (1) BR9714325A (sv)
CA (1) CA2277747A1 (sv)
SE (1) SE9700212L (sv)
TW (1) TW379487B (sv)
WO (1) WO1998033290A1 (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6363103B1 (en) * 1998-04-09 2002-03-26 Lucent Technologies Inc. Multistage interference cancellation for CDMA applications using M-ary orthogonal moduation
US6724741B1 (en) * 1998-06-29 2004-04-20 L-3 Communications Corporation PN code selection for synchronous CDMA
US6526091B1 (en) * 1998-08-17 2003-02-25 Telefonaktiebolaget Lm Ericsson Communication methods and apparatus based on orthogonal hadamard-based sequences having selected correlation properties
KR100532328B1 (ko) * 1998-08-29 2006-03-23 삼성전자주식회사 부호분할다중접속통신시스템의피.엔시퀀스식별장치
US6442193B1 (en) * 1999-03-30 2002-08-27 Koninklijke Philips Electronics N.V. Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver
US6804307B1 (en) * 2000-01-27 2004-10-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient transmit diversity using complex space-time block codes
US6741637B1 (en) * 2000-06-22 2004-05-25 Golden Bridge Technology, Inc. Method and apparatus of joint detection of a CDMA receiver
EP1207657B1 (en) * 2000-11-20 2007-10-31 Lucent Technologies Inc. Detection method and apparatus for phase-modulated CCK symbols with a correlator-bank
US7227885B2 (en) * 2001-10-17 2007-06-05 Motorola, Inc. Correlation method in a communication system and apparatus
AU2002334867A1 (en) * 2001-10-17 2003-04-28 Motorola, Inc. Method and device for data communication in a multi-user system
WO2004002037A1 (fr) * 2002-06-21 2003-12-31 Linkair Communications,Inc. Procede pour etaler le spectre de canaux multicodes pour des codes ls
KR101022066B1 (ko) * 2003-05-17 2011-03-17 엘지전자 주식회사 이동통신 시스템에서의 하향링크 제어채널 구조 및 이를이용한 시간-코드 할당방법
US7957263B2 (en) * 2003-09-08 2011-06-07 Qualcomm Corporation Method and apparatus for acknowledging reverse link transmissions in a communications system
KR100713528B1 (ko) 2004-03-12 2007-05-02 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 통신시스템에서 서브 채널 신호 송신 장치 및 방법
US8526524B2 (en) * 2007-03-27 2013-09-03 Qualcomm Incorporation Orthogonal reference signal permutation
US8599677B2 (en) * 2009-05-04 2013-12-03 Qualcomm Incorporated Method and system for multi-user detection using two-stage processing
ES2539362T3 (es) * 2012-08-24 2015-06-30 Airbus Ds Gmbh Generación y procesamiento de señales CDMA
US9578469B2 (en) 2014-10-02 2017-02-21 Motorola Solutions, Inc. Method and system for direct mode communication within a talkgroup
TWI610550B (zh) * 2016-05-17 2018-01-01 晨星半導體股份有限公司 數位視訊廣播之碼字解碼電路及解碼方法
CN107547937A (zh) * 2016-06-29 2018-01-05 晨星半导体股份有限公司 数字视频广播的码字解码电路及解码方法
US10447518B2 (en) * 2017-12-15 2019-10-15 Huawei Technologies Co., Ltd. Methods for configurable non-orthogonal multiple access transmission
JP7010205B2 (ja) * 2018-12-25 2022-01-26 横河電機株式会社 ２線式伝送器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353352A (en) * 1992-04-10 1994-10-04 Ericsson Ge Mobile Communications Inc. Multiple access coding for radio communications
US5463657A (en) * 1994-02-15 1995-10-31 Lockheed Missiles & Space Company, Inc. Detection of a multi-sequence spread spectrum signal
US5497395A (en) * 1994-04-04 1996-03-05 Qualcomm Incorporated Method and apparatus for modulating signal waveforms in a CDMA communication system

Also Published As

Publication number Publication date
KR20000070386A (ko) 2000-11-25
CN1249090A (zh) 2000-03-29
AU738415B2 (en) 2001-09-20
EP0950296A1 (en) 1999-10-20
US6091761A (en) 2000-07-18
BR9714325A (pt) 2000-02-08
CA2277747A1 (en) 1998-07-30
SE9700212D0 (sv) 1997-01-24
TW379487B (en) 2000-01-11
JP2001509339A (ja) 2001-07-10
AU5505798A (en) 1998-08-18
WO1998033290A1 (en) 1998-07-30

Similar Documents

Publication Publication Date Title
SE9700212L (sv) Förfarande och arrangemang i ett kommunikationssystem
DE69936455C5 (de) Kommunikationsverfahren und -vorrichtungen, die auf orthogonalen hadamard-basierten sequenzen mit ausgewählten korrelationseigenschaften beruhen
Popovic Efficient golay correlator
ATE237199T1 (de) Verfahren und vorrichtung zur interferenzunterdrückung in spreizspektrumnachrichtenübertragungssystemen
HK1015197A1 (en) Method and apparatus for performing code acquisition in a cdma communications system.
DK0583241T3 (da) Spreadspectrumkorrelator
RU2000104858A (ru) Способ формирования квазиортогонального кода и расширитель, использующий этот способ в системе мобильной связи
CA2245196A1 (en) Device and method for generating spread spectrum signal using pseudo-orthogonal code in cdma mobile communications system
MY122627A (en) Apparatus and methods for receiving information using variable length accumulation searchers
NO20024530D0 (no) Effektiv spreder for spredtspektrumkommunikasjonssystemer
US7352796B1 (en) Multiple data rate complex Walsh codes for CDMA
Sarwate et al. Partial correlation effects in direct-sequence spread-spectrum multiple-access communication systems
KR950035171A (ko) 스펙트럼 확산통신용 확산부호 생성장치
RU2214681C2 (ru) Способ формирования комплексного квазиортогонального кода и устройство и способ для расширения канальных данных с использованием квазиортогонального кода в системе связи мдкр
RU2000111473A (ru) Устройство и способ выработки четверичного комплексного квазиортогонального кода и расширения сигнала передачи с использованием квазиортогонального кода в системе связи мдкр
BR9906940A (pt) Processo para gerar um código quase ortogonal complexo quaternário em um sistema de comunicação de acesso múltiplo por divisão em código cdma, e, processos e dispositivos para gerar um código quase ortogonal complexo quaternário para um dispositivo de transmissão de canal em um sistema de comunicação cdma e para transmissão de canal para um sistema de comunicação cdma
RU2000112928A (ru) Устройство и способ для выработки квазиортогонального кода и расширения канальных сигналов в системе подвижной связи
CN100466500C (zh) 在移动通信系统中生成正交扩频码的方法
SE9901769L (sv) Förfarande i ett telekommunikationssystem
Mow Optimal sequence sets meeting Welch's lower bound
Kim et al. Batch distributed sample acquisition for M-ary signaling DS/CDMA systems
Karkkainen Linear complexity of Kronecker sequences
TH30392A (th) วิธีการและการจัดการในระบบการสื่อสาร
Kohno et al. Polyphase pseudo-noise sequences with equivalent even and odd correlation properties
Hou et al. Analysis of Spreading code design for Zero Correlation Zone

Legal Events

Date Code Title Description
NAV Patent application has lapsed