DE69901762D1 - Gerät ermöglichend verschiedene Spreizfaktoren mit Erhaltung eines gemeinsamen Verschlüsselungskodes - Google Patents
Gerät ermöglichend verschiedene Spreizfaktoren mit Erhaltung eines gemeinsamen VerschlüsselungskodesInfo
- Publication number
- DE69901762D1 DE69901762D1 DE69901762T DE69901762T DE69901762D1 DE 69901762 D1 DE69901762 D1 DE 69901762D1 DE 69901762 T DE69901762 T DE 69901762T DE 69901762 T DE69901762 T DE 69901762T DE 69901762 D1 DE69901762 D1 DE 69901762D1
- Authority
- DE
- Germany
- Prior art keywords
- maintaining
- device enables
- encryption code
- different spreading
- enables different
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9810345A FR2782428B1 (fr) | 1998-08-12 | 1998-08-12 | Dispositif permettant des facteurs d'etalement differents tout en preservant un code d'embrouillage commun, notamment pour systeme cellulaire de radiocommunications mobiles du type a acces multiple par repartition de codes |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69901762D1 true DE69901762D1 (de) | 2002-07-18 |
DE69901762T2 DE69901762T2 (de) | 2002-12-19 |
Family
ID=9529629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69901762T Expired - Lifetime DE69901762T2 (de) | 1998-08-12 | 1999-04-13 | Gerät ermöglichend verschiedene Spreizfaktoren mit Erhaltung eines gemeinsamen Verschlüsselungskodes |
Country Status (9)
Country | Link |
---|---|
US (1) | US6868077B1 (de) |
EP (1) | EP0980159B1 (de) |
JP (1) | JP3210918B2 (de) |
KR (1) | KR100353780B1 (de) |
CN (1) | CN1317840C (de) |
AU (1) | AU723704B2 (de) |
DE (1) | DE69901762T2 (de) |
ES (1) | ES2175906T3 (de) |
FR (1) | FR2782428B1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2797122B1 (fr) * | 1999-07-30 | 2006-08-04 | Commissariat Energie Atomique | Procede de transmission de donnees utilisant des jeux repetitifs de sequences d'etalement, emetteur et recepteur correspondants |
JP2002033716A (ja) * | 2000-07-18 | 2002-01-31 | Sony Corp | Cdma拡散方法およびcdma端末装置 |
KR100724929B1 (ko) * | 2001-10-06 | 2007-06-04 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 스크램블링 코드생성장치 및 방법 |
GB2382955B (en) * | 2001-12-05 | 2004-03-03 | Motorola Inc | A code division multiple access (cdma) transmitter |
US6741653B2 (en) | 2002-07-01 | 2004-05-25 | Interdigital Technology Corporation | Data detection for codes with non-uniform spreading factors |
CN1170389C (zh) * | 2002-11-13 | 2004-10-06 | 大唐移动通信设备有限公司 | 在联合检测***中应用长小区化码的方法 |
US20040160922A1 (en) | 2003-02-18 | 2004-08-19 | Sanjiv Nanda | Method and apparatus for controlling data rate of a reverse link in a communication system |
US7155236B2 (en) | 2003-02-18 | 2006-12-26 | Qualcomm Incorporated | Scheduled and autonomous transmission and acknowledgement |
US8705588B2 (en) * | 2003-03-06 | 2014-04-22 | Qualcomm Incorporated | Systems and methods for using code space in spread-spectrum communications |
US8385296B2 (en) * | 2004-07-22 | 2013-02-26 | Industry Academic Cooperation Foundation Of Kyunghee University | Multi-carrier CDMA transmitting device and method using block-based multi-carrier spreading |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5077753A (en) * | 1990-04-09 | 1991-12-31 | Proxim, Inc. | Radio communication system using spread spectrum techniques |
US5550809A (en) * | 1992-04-10 | 1996-08-27 | Ericsson Ge Mobile Communications, Inc. | Multiple access coding using bent sequences for mobile radio communications |
MY112371A (en) * | 1993-07-20 | 2001-05-31 | Qualcomm Inc | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
ZA947317B (en) * | 1993-09-24 | 1995-05-10 | Qualcomm Inc | Multirate serial viterbi decoder for code division multiple access system applications |
US5859843A (en) * | 1996-09-11 | 1999-01-12 | Nokia Mobile Phones Ltd. | Framing technique for a multi-rate CDMA communication system |
CA2242773C (en) * | 1996-11-07 | 2001-10-02 | Matsushita Electric Industrial Co., Ltd. | Code generating method and code selecting method |
JP2815007B2 (ja) * | 1996-12-05 | 1998-10-27 | 日本電気株式会社 | 可変レートcdma拡散回路 |
US6222875B1 (en) * | 1997-07-11 | 2001-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-delay rate detection for variable rate communication systems |
US6185199B1 (en) * | 1997-07-23 | 2001-02-06 | Qualcomm Inc. | Method and apparatus for data transmission using time gated frequency division duplexing |
US6009091A (en) * | 1998-03-13 | 1999-12-28 | Motorola, Inc. | Method and apparatus for mobile station location within a communication system |
US6643275B1 (en) * | 1998-05-15 | 2003-11-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Random access in a mobile telecommunications system |
US6504830B1 (en) * | 1998-06-15 | 2003-01-07 | Telefonaktiebolaget Lm Ericsson Publ | Method, apparatus, and system for fast base synchronization and sector identification |
US6393047B1 (en) * | 1998-06-16 | 2002-05-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Quadriphase spreading codes in code division multiple access communications |
-
1998
- 1998-08-12 FR FR9810345A patent/FR2782428B1/fr not_active Expired - Fee Related
-
1999
- 1999-04-13 ES ES99400902T patent/ES2175906T3/es not_active Expired - Lifetime
- 1999-04-13 EP EP99400902A patent/EP0980159B1/de not_active Expired - Lifetime
- 1999-04-13 DE DE69901762T patent/DE69901762T2/de not_active Expired - Lifetime
- 1999-04-14 US US09/291,748 patent/US6868077B1/en not_active Expired - Lifetime
- 1999-07-27 JP JP21169099A patent/JP3210918B2/ja not_active Expired - Lifetime
- 1999-08-11 KR KR1019990032854A patent/KR100353780B1/ko not_active IP Right Cessation
- 1999-08-12 AU AU44460/99A patent/AU723704B2/en not_active Ceased
- 1999-08-12 CN CNB991177177A patent/CN1317840C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0980159B1 (de) | 2002-06-12 |
CN1317840C (zh) | 2007-05-23 |
KR20000017241A (ko) | 2000-03-25 |
JP3210918B2 (ja) | 2001-09-25 |
AU723704B2 (en) | 2000-09-07 |
KR100353780B1 (ko) | 2002-09-26 |
JP2000188563A (ja) | 2000-07-04 |
ES2175906T3 (es) | 2002-11-16 |
FR2782428B1 (fr) | 2000-09-15 |
US6868077B1 (en) | 2005-03-15 |
DE69901762T2 (de) | 2002-12-19 |
EP0980159A1 (de) | 2000-02-16 |
FR2782428A1 (fr) | 2000-02-18 |
CN1255792A (zh) | 2000-06-07 |
AU4446099A (en) | 2000-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |