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 communicationInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000001228 spectrum Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 241000282320 Panthera leo Species 0.000 description 3
- 244000180577 Sambucus australis Species 0.000 description 2
- 235000018734 Sambucus australis Nutrition 0.000 description 2
- 240000000662 Anethum graveolens Species 0.000 description 1
- 101100199751 Drosophila melanogaster Nnp-1 gene Proteins 0.000 description 1
- 101100043725 Mus musculus Strbp gene Proteins 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 101150015906 traI gene Proteins 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex 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).
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 (21)
| 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 |
| US5926500A (en) * | 1996-05-28 | 1999-07-20 | Qualcomm Incorporated | Reduced peak-to-average transmit power 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 |
| 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 |
| KR0173101B1 (ko) | 1996-08-14 | 1999-03-30 | 양승택 | 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치 |
| 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 |
| DE69824802T2 (de) * | 1997-08-18 | 2005-07-14 | Samsung Electronics Co., Ltd., Suwon | Spreizspektrumsignalerzeugungseinrichtung und -verfahren |
| KR100299148B1 (ko) | 1998-03-14 | 2001-09-26 | 윤종용 | 부호분할다중접속 통신시스템에서 서로 다른 프레임 길이를갖는메시지를 인터믹스하여 송수신하는 장치 및 방법 |
| 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 |
| EP0993137B1 (fr) * | 1998-10-05 | 2005-12-21 | Lucent Technologies Inc. | Système et procédé de communications AMRC |
| 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 |
| CN1241450C (zh) * | 2000-06-05 | 2006-02-08 | 连宇通信有限公司 | 分配无线资源的方法 |
| US7907574B2 (en) * | 2004-01-29 | 2011-03-15 | Qualcomm Incorporated | Channel scheduling |
Family Cites Families (3)
| 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 |
-
1995
- 1995-01-09 CA CA002158269A patent/CA2158269A1/fr not_active Abandoned
- 1995-01-09 WO PCT/US1995/000233 patent/WO1995023464A1/fr not_active Ceased
- 1995-01-09 EP EP95907342A patent/EP0700612A4/fr not_active Withdrawn
- 1995-01-09 JP JP7522332A patent/JPH08509590A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08509590A (ja) | 1996-10-08 |
| EP0700612A4 (fr) | 1998-09-30 |
| EP0700612A1 (fr) | 1996-03-13 |
| WO1995023464A1 (fr) | 1995-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued | ||
| FZDE | Discontinued |
Effective date: 19991207 |