CA2158269A1 - Procede et appareil de multiplexage temporel relatif a l'utilisation de codes d'etalement dans un systeme de communication - Google Patents

Procede et appareil de multiplexage temporel relatif a l'utilisation de codes d'etalement dans un systeme de communication

Info

Publication number
CA2158269A1
CA2158269A1 CA002158269A CA2158269A CA2158269A1 CA 2158269 A1 CA2158269 A1 CA 2158269A1 CA 002158269 A CA002158269 A CA 002158269A CA 2158269 A CA2158269 A CA 2158269A CA 2158269 A1 CA2158269 A1 CA 2158269A1
Authority
CA
Canada
Prior art keywords
coded
user data
data
user
spreading
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.)
Abandoned
Application number
CA002158269A
Other languages
English (en)
Inventor
Michael Dale Kotzin
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.)
Motorola Solutions Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2158269A1 publication Critical patent/CA2158269A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/004Orthogonal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Un système de communication assurent un multiplexage temporel appliqué à l'utilisation de codes d'étalement. Le système de communication accepte des informations (301, 302) d'au moins deux utilisateurs et code chaque information d'utilisateur à l'aide de codeurs (303, 306) de correction d'erreurs. Les informations codées sont ensuite multiplexées par un multiplexeur (312) dans des tranches de temps. La sortie du multiplexeur (312) est étalée par un code d'étalement commun (Walsh), brouillée avec une séquence de pseudo-bruit et dirigée vers un modulateur pour transmission. De cette manière, les informations pour deux utilisateurs peuvent être transmises en utilisant un seul code d'étalement (Walsh).
CA002158269A 1994-02-25 1995-01-09 Procede et appareil de multiplexage temporel relatif a l'utilisation de codes d'etalement dans un systeme de communication Abandoned CA2158269A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20159694A 1994-02-25 1994-02-25
US08/201,596 1994-02-25

Publications (1)

Publication Number Publication Date
CA2158269A1 true CA2158269A1 (fr) 1995-08-31

Family

ID=22746478

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002158269A Abandoned CA2158269A1 (fr) 1994-02-25 1995-01-09 Procede et appareil de multiplexage temporel relatif a l'utilisation de codes d'etalement dans un systeme de communication

Country Status (4)

Country Link
EP (1) EP0700612A4 (fr)
JP (1) JPH08509590A (fr)
CA (1) CA2158269A1 (fr)
WO (1) WO1995023464A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5930230A (en) * 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
JP3409628B2 (ja) * 1996-06-19 2003-05-26 株式会社エヌ・ティ・ティ・ドコモ Cdma通信方法およびグループ拡散変調器
FR2750281B1 (fr) * 1996-06-19 1998-07-31 Alcatel Espace Unite d'interface pour reseau de radiocommunications avec les mobiles
GB2320661B (en) * 1996-12-20 2001-10-03 Dsc Telecom Lp Processing data transmitted and received over a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system
US6044103A (en) * 1997-06-17 2000-03-28 Qualcomm Inc. Reduced peak-to-average amplitude dual channel link
KR100369794B1 (ko) * 1997-08-18 2003-04-11 삼성전자 주식회사 이동통신시스템의송신장치의대역확산신호발생장치및방법
EP0903871B1 (fr) * 1997-08-18 2004-06-30 Samsung Electronics Co., Ltd. Dispositif et procédé de génération de signal à spectre étalé
RU2201033C2 (ru) 1998-03-14 2003-03-20 Самсунг Электроникс Ко., Лтд. Устройство и способ для обмена сообщениями кадра разной длины в системе связи множественного доступа с кодовым разделением каналов
DE19827701A1 (de) * 1998-06-22 2000-01-05 Siemens Ag Verfahren zur digitalen Funk-Übertragung von Daten mehrerer Teilnehmer
FI106896B (fi) * 1998-07-22 2001-04-30 Nokia Networks Oy Tiedonsiirtomenetelmä, radioverkkoalijärjestelmä ja tilaajapäätelaite
DE69832878T2 (de) * 1998-10-05 2006-08-03 Lucent Technologies Inc. CDMA Kommunikationssystem und Verfahren
EP1001567A1 (fr) * 1998-11-13 2000-05-17 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Additionneur
EP1011281A3 (fr) 1998-12-18 2000-07-05 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Combineur flexible pour AMRC
EP1039661A1 (fr) * 1999-03-03 2000-09-27 Sony International (Europe) GmbH Canal multidestinataire pour un système AMRC
AU5057900A (en) * 2000-06-05 2001-12-17 Linkair Communications, Inc. A method for the air interface to support variable data rate
AU2000250580A1 (en) * 2000-06-05 2001-12-17 Linkair Communications. Inc. Methods for assigning radio resources
US7907574B2 (en) 2004-01-29 2011-03-15 Qualcomm Incorporated Channel scheduling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455651A (en) * 1980-10-20 1984-06-19 Equatorial Communications Company Satellite communications system and apparatus
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5239540A (en) * 1990-11-27 1993-08-24 Scientific-Atlanta, Inc. Method and apparatus for transmitting, receiving and communicating digital data signals with corresponding program data signals which describe the digital data signals

Also Published As

Publication number Publication date
WO1995023464A1 (fr) 1995-08-31
EP0700612A4 (fr) 1998-09-30
JPH08509590A (ja) 1996-10-08
EP0700612A1 (fr) 1996-03-13

Similar Documents

Publication Publication Date Title
CA2158269A1 (fr) Procede et appareil de multiplexage temporel relatif a l'utilisation de codes d'etalement dans un systeme de communication
US5235614A (en) Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
US5204876A (en) Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
US5515396A (en) Method and apparatus for selecting a spreading code in a spectrum spread communication system
KR0181319B1 (ko) 합성 파형을 생성하기 위한 방법 및 장치
US5454009A (en) Method and apparatus for providing energy dispersal using frequency diversity in a satellite communications system
DE69133394T2 (de) Anordnung und Verfahren zur Erzeugung von Signalwellenformen in einem zellularen CDMA Telefonsystem
US5949790A (en) Data transmission method, and transmitter
EP1320212A2 (fr) Multiplexage fréquentiel à anullation d'interférence
EA001746B1 (ru) Дополнительный канал с высокой скоростью передачи данных для системы связи мдкр
IL102076A (en) A multi-subscriber communication system with a spread spectrum
CA2077332C (fr) Methode et dispositif pour incorporer un nombre variable de canaux de communications dans un systeme de communication a etalement du spectre
KR100757715B1 (ko) 코드분할 다중 접속 채널을 이용한 고속 데이터 송수신을위한 방법 및 장치
US7433385B1 (en) Code division multiple access communication
US7158496B2 (en) Method and device for processing a digital data signal in a CDMA radio transmitter
FI106833B (fi) Yhteydenmuodostusmenetelmä ja lähetinvastaanotin
KR20010029230A (ko) 부호분할 다중접속 시스템의 채널 확장 장치 및 방법
GB2364205A (en) Transmitting an ofdm signal over more than one channel where each channel after the first has a positive or negative time delay
Berceli et al. Microwave telecommunications in Hungary: development results and modernization plans

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 19991207