FR2800944B1 - Procede pour augmenter la capacite d'un reseau cdma, et unites associees - Google Patents
Procede pour augmenter la capacite d'un reseau cdma, et unites associeesInfo
- Publication number
- FR2800944B1 FR2800944B1 FR9913796A FR9913796A FR2800944B1 FR 2800944 B1 FR2800944 B1 FR 2800944B1 FR 9913796 A FR9913796 A FR 9913796A FR 9913796 A FR9913796 A FR 9913796A FR 2800944 B1 FR2800944 B1 FR 2800944B1
- Authority
- FR
- France
- Prior art keywords
- capacity
- increasing
- cdma network
- associated units
- units
- 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 - Fee Related
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
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9913796A FR2800944B1 (fr) | 1999-11-04 | 1999-11-04 | Procede pour augmenter la capacite d'un reseau cdma, et unites associees |
US09/476,361 US6459694B1 (en) | 1999-11-04 | 2000-01-03 | Method of increasing the capacity of a CDMA network, and associated units |
EP00400020A EP1098452A1 (fr) | 1999-11-04 | 2000-01-06 | Annulation d'interférence dans un réseau à AMRC sans fil |
JP2000336658A JP2001186106A (ja) | 1999-11-04 | 2000-11-02 | Cdmaネットワークの容量を増加する方法およびそれに関連する装置 |
CN00133729.7A CN1295393A (zh) | 1999-11-04 | 2000-11-02 | 增加码分多址网络容量的方法和相关单元 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9913796A FR2800944B1 (fr) | 1999-11-04 | 1999-11-04 | Procede pour augmenter la capacite d'un reseau cdma, et unites associees |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2800944A1 FR2800944A1 (fr) | 2001-05-11 |
FR2800944B1 true FR2800944B1 (fr) | 2002-01-25 |
Family
ID=9551705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9913796A Expired - Fee Related FR2800944B1 (fr) | 1999-11-04 | 1999-11-04 | Procede pour augmenter la capacite d'un reseau cdma, et unites associees |
Country Status (5)
Country | Link |
---|---|
US (1) | US6459694B1 (fr) |
EP (1) | EP1098452A1 (fr) |
JP (1) | JP2001186106A (fr) |
CN (1) | CN1295393A (fr) |
FR (1) | FR2800944B1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8537656B2 (en) | 2000-07-19 | 2013-09-17 | Ipr Licensing, Inc. | Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure |
US7911993B2 (en) | 2000-07-19 | 2011-03-22 | Ipr Licensing, Inc. | Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure |
KR100424538B1 (ko) * | 2001-05-29 | 2004-03-27 | 엘지전자 주식회사 | 이동통신시스템에서의 스크램블링 코드 생성 장치 및 방법 |
US8611311B2 (en) | 2001-06-06 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
EP1271982A1 (fr) * | 2001-06-19 | 2003-01-02 | Mitsubishi Electric Information Technology Centre Europe B.V. | Méthode d'allocation de codes d'embrouillage secondaires |
US6917581B2 (en) * | 2001-07-17 | 2005-07-12 | Ipr Licensing, Inc. | Use of orthogonal or near orthogonal codes in reverse link |
US8442441B2 (en) | 2004-12-23 | 2013-05-14 | Qualcomm Incorporated | Traffic interference cancellation |
US8406695B2 (en) * | 2004-12-23 | 2013-03-26 | Qualcomm Incorporated | Joint interference cancellation of pilot, overhead and traffic channels |
US8099123B2 (en) | 2004-12-23 | 2012-01-17 | Qualcomm Incorporated | Adaptation of transmit subchannel gains in a system with interference cancellation |
US8422955B2 (en) | 2004-12-23 | 2013-04-16 | Qualcomm Incorporated | Channel estimation for interference cancellation |
CN101133581B (zh) * | 2005-06-28 | 2012-01-18 | 中兴通讯股份有限公司 | 一种cdma系统中多扰码配置及其相关的解调方法 |
US8472877B2 (en) | 2005-10-24 | 2013-06-25 | Qualcomm Incorporated | Iterative interference cancellation system and method |
US8385388B2 (en) | 2005-12-06 | 2013-02-26 | Qualcomm Incorporated | Method and system for signal reconstruction from spatially and temporally correlated received samples |
US8781043B2 (en) | 2006-11-15 | 2014-07-15 | Qualcomm Incorporated | Successive equalization and cancellation and successive mini multi-user detection for wireless communication |
WO2011063567A1 (fr) * | 2009-11-27 | 2011-06-03 | Qualcomm Incorporated | Annulation d'interférences pour des ensembles de canaux non orthogonaux |
US10110834B2 (en) | 2011-11-07 | 2018-10-23 | Raytheon Company | Hadamard enhanced sensors |
US10079614B2 (en) * | 2015-05-29 | 2018-09-18 | Hitachi Kokusai Electric Inc. | Noise canceler |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5887034A (en) * | 1996-03-29 | 1999-03-23 | Nec Corporation | DS-CDMA multiple user serial interference canceler unit and method of transmitting interference replica signal of the same |
WO1999009674A2 (fr) * | 1997-08-13 | 1999-02-25 | Qualcomm Incorporated | Procede et appareil permettant d'annuler les interferences pour un utilisateur a taux de transfert eleve dans un systeme amcr |
-
1999
- 1999-11-04 FR FR9913796A patent/FR2800944B1/fr not_active Expired - Fee Related
-
2000
- 2000-01-03 US US09/476,361 patent/US6459694B1/en not_active Expired - Fee Related
- 2000-01-06 EP EP00400020A patent/EP1098452A1/fr not_active Withdrawn
- 2000-11-02 JP JP2000336658A patent/JP2001186106A/ja not_active Withdrawn
- 2000-11-02 CN CN00133729.7A patent/CN1295393A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1295393A (zh) | 2001-05-16 |
JP2001186106A (ja) | 2001-07-06 |
US6459694B1 (en) | 2002-10-01 |
EP1098452A1 (fr) | 2001-05-09 |
FR2800944A1 (fr) | 2001-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |