DE69830108D1 - Pseudoorthogonale Kodegenerierverfahren und -gerät - Google Patents
Pseudoorthogonale Kodegenerierverfahren und -gerätInfo
- Publication number
- DE69830108D1 DE69830108D1 DE69830108T DE69830108T DE69830108D1 DE 69830108 D1 DE69830108 D1 DE 69830108D1 DE 69830108 T DE69830108 T DE 69830108T DE 69830108 T DE69830108 T DE 69830108T DE 69830108 D1 DE69830108 D1 DE 69830108D1
- Authority
- DE
- Germany
- Prior art keywords
- pseudo
- generation method
- code generation
- orthogonal code
- orthogonal
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/12—Generation 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
- 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
- H04J13/10—Code generation
- H04J13/102—Combining codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR3919997 | 1997-08-18 | ||
KR1019970039199A KR19990016606A (ko) | 1997-08-18 | 1997-08-18 | 씨디엠에이 이동통신시스템의 의사직교부호를 이용한 대역확산신호 발생장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69830108D1 true DE69830108D1 (de) | 2005-06-16 |
DE69830108T2 DE69830108T2 (de) | 2006-01-26 |
Family
ID=19517696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1998630108 Expired - Fee Related DE69830108T2 (de) | 1997-08-18 | 1998-08-18 | Pseudoorthogonale Kodegenerierverfahren und -gerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US6385187B1 (de) |
EP (1) | EP0898393B1 (de) |
JP (1) | JP3054402B2 (de) |
KR (2) | KR19990016606A (de) |
CN (1) | CN1127225C (de) |
CA (1) | CA2245196C (de) |
DE (1) | DE69830108T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100365346B1 (ko) * | 1997-09-09 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의쿼시직교부호생성및쿼시직교부호를이용한대역확산장치및방법 |
US6278726B1 (en) * | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
US6115406A (en) | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
JP2001156749A (ja) * | 1999-09-17 | 2001-06-08 | Hitachi Kokusai Electric Inc | Cdma移動局装置 |
JP3688166B2 (ja) | 1999-11-26 | 2005-08-24 | シャープ株式会社 | Cdma変調方法及びその装置 |
US6917642B1 (en) * | 2000-02-23 | 2005-07-12 | Ipr Licensing, Inc. | Method for using a non-orthogonal pilot signal with data channel interference cancellation |
CN1502182A (zh) * | 2001-02-16 | 2004-06-02 | �����ɷ� | 并行扩频通信系统和方法 |
US6882619B1 (en) * | 2001-02-21 | 2005-04-19 | At&T Corp. | Interference suppressing OFDM method for wireless communications |
US7158474B1 (en) | 2001-02-21 | 2007-01-02 | At&T Corp. | Interference suppressing OFDM system for wireless communications |
KR100720635B1 (ko) * | 2001-04-05 | 2007-05-21 | 노오텔 네트웍스 리미티드 | 다중 코드 및 다중 안테나를 사용하는 무선 통신 시스템용송신기 |
US6853646B2 (en) * | 2001-05-02 | 2005-02-08 | Ipr Licensing, Inc. | Fast switching of forward link in wireless system |
US7333614B2 (en) * | 2001-11-16 | 2008-02-19 | Qualcomm Incorporated | System and method for encypting spread spectrum carrier |
DE10164497B4 (de) * | 2001-12-28 | 2005-03-10 | Siemens Ag | Anordnung und Verfahren zur Messung und zur Kompensation der Polarisationsmodendispersion eines optischen Signals |
US20040062206A1 (en) * | 2002-09-30 | 2004-04-01 | Soong Anthony C.K. | System and method for fast reverse link scheduling in a wireless communication network |
US20050249311A1 (en) * | 2004-05-07 | 2005-11-10 | Nollett Bryan S | Modulation schemes for reduced power amplifier backoff |
EP1844564A1 (de) * | 2005-02-03 | 2007-10-17 | Vishay Intertechnology Inc. | Verfahren für verwobene spreizcodes |
US7394845B2 (en) * | 2005-02-03 | 2008-07-01 | Vishay Intertechnology, Inc. | Method for interwoven spreading codes |
US7893873B2 (en) * | 2005-12-20 | 2011-02-22 | Qualcomm Incorporated | Methods and systems for providing enhanced position location in wireless communications |
JP4704222B2 (ja) * | 2006-01-27 | 2011-06-15 | 富士通株式会社 | 無線通信システム |
KR100761669B1 (ko) * | 2007-04-18 | 2007-10-01 | 전자부품연구원 | 유사직교부호화 송신 및 수신 시스템 |
US9025586B2 (en) * | 2007-09-21 | 2015-05-05 | Texas Instruments Incorporated | Secondary synchronization signal mapping |
TWI381672B (zh) * | 2008-12-05 | 2013-01-01 | Nat Univ Chung Cheng | And a synchronizing means for synchronizing the communication means with the base station signal |
TWI475835B (zh) * | 2012-09-28 | 2015-03-01 | Raydium Semiconductor Corp | 正交碼矩陣產生方法及正交碼矩陣產生電路 |
US10720959B2 (en) | 2017-10-12 | 2020-07-21 | British Cayman Islands Intelligo Technology Inc. | Spread spectrum based audio frequency communication system |
US10771105B2 (en) * | 2018-02-22 | 2020-09-08 | Qualcomm Incorporated | Configuration of NOMA communication using multiple sets of spreading sequences |
JP7214914B1 (ja) * | 2022-07-28 | 2023-01-30 | 通研電気工業株式会社 | 電力系統保護用伝送装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568915A (en) * | 1983-11-14 | 1986-02-04 | The United States Of America As Represented By The Secretary Of The Army | Code generator for multilevel interleaved multiplexed noise codes |
JPH05235894A (ja) * | 1992-02-20 | 1993-09-10 | Fujitsu Ltd | スペクトル拡散変調方式およびその復調方式 |
US5555268A (en) * | 1994-01-24 | 1996-09-10 | Fattouche; Michel | Multicode direct sequence spread spectrum |
JP2797921B2 (ja) * | 1993-10-04 | 1998-09-17 | 松下電器産業株式会社 | 拡散符号生成方式 |
JP2863975B2 (ja) * | 1993-07-16 | 1999-03-03 | 松下電器産業株式会社 | Cdma方式送信装置および受信装置、cdma方式送信方法およびcdma方式移動通信システム |
FI97661C (fi) | 1993-12-10 | 1997-01-27 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä, CDMA-lähetin sekä -vastaanotin |
US5515396A (en) * | 1994-02-25 | 1996-05-07 | Motorola, Inc. | Method and apparatus for selecting a spreading code in a spectrum spread communication system |
US5546420A (en) | 1994-04-29 | 1996-08-13 | At&T Corp. | Methods of and devices for enhancing communications that use spread spectrum technology by using variable code techniques |
US5987014A (en) * | 1994-07-14 | 1999-11-16 | Stanford Telecommunications, Inc. | Multipath resistant, orthogonal code-division multiple access system |
KR100518189B1 (ko) * | 1996-06-26 | 2005-11-25 | 비숍 스티어링 피티와이 리미티드 | 슬롯을기계가공하는기계 |
KR0173101B1 (ko) * | 1996-08-14 | 1999-03-30 | 양승택 | 직접 시퀀스 확산 스펙트럼 통신용 월쉬-4상 위상변조 칩 변조 장치 |
US5881056A (en) * | 1996-08-20 | 1999-03-09 | Lucent Technologies Inc. | Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits |
US6064663A (en) * | 1996-09-10 | 2000-05-16 | Nokia Mobile Phones Limited | Cellular CDMA data link utilizing multiplexed channels for data rate increase |
US6014034A (en) * | 1996-10-24 | 2000-01-11 | Texas Instruments Incorporated | Method for testing semiconductor thin gate oxide |
US5963548A (en) * | 1997-01-21 | 1999-10-05 | Nokia Mobile Phones Limited | Apparatus and method for configuring a data channel for symmetric/asymmetric data transmission |
AU746537B2 (en) * | 1997-05-14 | 2002-05-02 | Qualcomm Incorporated | A subscriber unit and method for use in a wireless communication system |
JPH11150523A (ja) * | 1997-11-17 | 1999-06-02 | Oki Electric Ind Co Ltd | スペクトラム拡散送信装置、スペクトラム拡散受信装置及びスペクトラム拡散通信システム |
-
1997
- 1997-08-18 KR KR1019970039199A patent/KR19990016606A/ko unknown
-
1998
- 1998-08-17 KR KR1019980033860A patent/KR100369801B1/ko not_active IP Right Cessation
- 1998-08-17 CA CA 2245196 patent/CA2245196C/en not_active Expired - Lifetime
- 1998-08-18 EP EP19980306566 patent/EP0898393B1/de not_active Expired - Lifetime
- 1998-08-18 DE DE1998630108 patent/DE69830108T2/de not_active Expired - Fee Related
- 1998-08-18 US US09/135,854 patent/US6385187B1/en not_active Expired - Lifetime
- 1998-08-18 JP JP23208698A patent/JP3054402B2/ja not_active Expired - Lifetime
- 1998-08-18 CN CN98124321A patent/CN1127225C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2245196C (en) | 2003-05-06 |
KR100369801B1 (ko) | 2003-04-21 |
EP0898393B1 (de) | 2005-05-11 |
EP0898393A3 (de) | 1999-05-06 |
CA2245196A1 (en) | 1999-02-18 |
KR19990023752A (ko) | 1999-03-25 |
CN1127225C (zh) | 2003-11-05 |
US6385187B1 (en) | 2002-05-07 |
KR19990016606A (ko) | 1999-03-15 |
DE69830108T2 (de) | 2006-01-26 |
CN1221262A (zh) | 1999-06-30 |
EP0898393A2 (de) | 1999-02-24 |
JP3054402B2 (ja) | 2000-06-19 |
JPH11275002A (ja) | 1999-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |