TW393843B - Methods for telecommunication - Google Patents

Methods for telecommunication Download PDF

Info

Publication number
TW393843B
TW393843B TW087111586A TW87111586A TW393843B TW 393843 B TW393843 B TW 393843B TW 087111586 A TW087111586 A TW 087111586A TW 87111586 A TW87111586 A TW 87111586A TW 393843 B TW393843 B TW 393843B
Authority
TW
Taiwan
Prior art keywords
extension
group
codes
code
line connection
Prior art date
Application number
TW087111586A
Other languages
English (en)
Chinese (zh)
Inventor
Erik Dahlman
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
Application granted granted Critical
Publication of TW393843B publication Critical patent/TW393843B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/18—Allocation of orthogonal codes
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/696—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to Dowlink

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
TW087111586A 1997-09-02 1998-07-16 Methods for telecommunication TW393843B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703161A SE9703161L (sv) 1997-09-02 1997-09-02 Förfarande för telekommunikation

Publications (1)

Publication Number Publication Date
TW393843B true TW393843B (en) 2000-06-11

Family

ID=20408114

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087111586A TW393843B (en) 1997-09-02 1998-07-16 Methods for telecommunication

Country Status (13)

Country Link
EP (1) EP1010266A1 (pt)
JP (1) JP2001515302A (pt)
KR (1) KR20010023600A (pt)
CN (1) CN1118963C (pt)
AR (1) AR017048A1 (pt)
AU (1) AU751483B2 (pt)
BR (1) BR9811428A (pt)
CA (1) CA2299297A1 (pt)
FI (1) FI20000460A (pt)
SE (1) SE9703161L (pt)
TW (1) TW393843B (pt)
WO (1) WO1999012284A1 (pt)
ZA (1) ZA986672B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI982203A (fi) * 1998-10-09 2000-04-10 Nokia Networks Oy Menetelmä ja generaattori generoida CDMA-radiojärjestelmän ortogonaalinen hajotuskoodi
ATE372618T1 (de) 1999-07-07 2007-09-15 Samsung Electronics Co Ltd Vorrichtung und verfahren zur erzeugung von verwürfelungskodes in einem umts mobil- nachrichtenübertragungssystem
KR100396653B1 (ko) * 1999-12-30 2003-09-02 엘지전자 주식회사 다중 칩 레이트를 위한 이동 통신 시스템의 전송 방법
JP3565102B2 (ja) 1999-08-13 2004-09-15 日本電気株式会社 下り回線拡散符号割り当て方法及び基地局
KR100429545B1 (ko) * 1999-08-17 2004-04-28 삼성전자주식회사 이동통신 시스템의 스크램블링 부호의 식별자 통신방법
FR2820933B1 (fr) * 2001-02-09 2003-05-30 Sagem Procede et outil de test pour reseau de radio-telephonie cellulaire a multiplexage par code de repartition
KR100449546B1 (ko) * 2001-10-08 2004-09-21 주식회사 카서 코드선택 코드분할 다중접속 변복조 방법 및 그것을구현한 장치
KR100444845B1 (ko) * 2002-04-12 2004-08-21 주식회사 카서 코드 선택 코드 분할 다중 접속 통신 시스템에서 전송신호의 부호화 방법 및 그 장치
FR2844134B1 (fr) * 2002-09-04 2006-01-13 Nortel Networks Ltd Procede d'allocation de ressources dans un systeme de radiocommunication a division spatiale et equipements pour la mise en oeuvre du procede.
US8004959B2 (en) 2004-07-06 2011-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Different orthogonal code sets with members in common
KR100662506B1 (ko) * 2004-08-04 2006-12-28 한국전자통신연구원 준동기 코드분할다중접속 시스템에서 접속 사용자 수에따른 사용자 부호 결정 장치 및 그 방법과 그를 이용한스크램블링 기반의 사용자 부호 생성/확산 장치 및 그 방법
CN1921362B (zh) * 2005-08-23 2011-09-21 中兴通讯股份有限公司 一种码分多址通信系统中正交可变扩频码分配方法
CN101388685B (zh) * 2007-09-12 2014-02-19 中兴通讯股份有限公司 一种码资源管理方法
GB2495709B (en) * 2011-10-17 2014-12-10 Aetheric Engineering Ltd Communication system and method of operating the same
EP2739104A1 (en) * 2012-11-28 2014-06-04 Alcatel-Lucent A cellular telecommunications base station and a method of allocating a spreading code

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
MY112371A (en) * 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems
US5515396A (en) * 1994-02-25 1996-05-07 Motorola, Inc. Method and apparatus for selecting a spreading code in a spectrum spread communication system
FI955113A (fi) * 1995-10-26 1997-04-27 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin

Also Published As

Publication number Publication date
AR017048A1 (es) 2001-08-22
CA2299297A1 (en) 1999-03-11
JP2001515302A (ja) 2001-09-18
CN1118963C (zh) 2003-08-20
SE9703161L (sv) 1999-03-03
BR9811428A (pt) 2000-08-22
ZA986672B (en) 1999-04-01
AU9012798A (en) 1999-03-22
WO1999012284A1 (en) 1999-03-11
FI20000460A (fi) 2000-02-29
EP1010266A1 (en) 2000-06-21
CN1269927A (zh) 2000-10-11
KR20010023600A (ko) 2001-03-26
AU751483B2 (en) 2002-08-15
SE9703161D0 (sv) 1997-09-02

Similar Documents

Publication Publication Date Title
TW393843B (en) Methods for telecommunication
TW410511B (en) Dynamic and smart spreading for wideband CDMA
JP3442787B2 (ja) 統計的合波を利用した、通信システムの中で可変レートデータを提供するための方法と装置
JP4594437B2 (ja) 符号分割多元接続（ｃｄｍａ）ユーザ装置
US7145964B2 (en) Maximizing data rate by adjusting codes and code rates in CDMA system
US9467200B2 (en) Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals
US7088673B2 (en) Dynamically-scalable system and method for multiple user access utilzing multi-bit and multi-code orthogonal multiplexing
EP0624293A1 (en) Cdma/tdma communication system
US20060262756A1 (en) Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
JP2002519934A (ja) 可変レートｃｄｍａ用の非再帰的に生成された直交ｐｎコード
NO323653B1 (no) Hurtig tilegnelse av trafikkanaler for en svaert varierende datahastighet
TW483271B (en) Method, system, apparatus and computer program in a telecommunication system.
CN1136872A (zh) 宽带通信系统
KR100830517B1 (ko) 무선 통신 시스템에서의 코드 채널 관리
JP2013128324A (ja) 無線ネットワークのフォワード・リンクで制御情報を送信する方法
CA2295265A1 (en) Methods of dynamically assigning channel codes of different lengths in wireless communication systems
KR101232667B1 (ko) 통신시스템에서 트래픽 채널을 할당하기 위한 방법 및 장치
US7830904B1 (en) System and method for multichannel communication
US7012884B2 (en) Zero-overhead method for sequence reversible and pattern independent orthogonal multiplexing
JP2001036939A (ja) マルチコードｃｄｍａ方式によるセルラーシステムおよび通信方法
US7346004B2 (en) Method for automatically setting transfer mode in line interface device
DE50212162D1 (de) Teilnehmergerät für ein hochperformantes kommunikationssystem
WO2006044422A2 (en) System and method for optimizing walsh code assignments
KR101071825B1 (ko) 브로드캐스트 및 멀티캐스트 서비스를 위한 퍼블릭 롱코드 생성 방법
CN100531277C (zh) 非对称用户线路中模板更换方法

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees