DE69331375T2 - Mobiles kommunikationssystem mit kodemultiplexvielfachzugriff - Google Patents
Mobiles kommunikationssystem mit kodemultiplexvielfachzugriffInfo
- Publication number
- DE69331375T2 DE69331375T2 DE69331375T DE69331375T DE69331375T2 DE 69331375 T2 DE69331375 T2 DE 69331375T2 DE 69331375 T DE69331375 T DE 69331375T DE 69331375 T DE69331375 T DE 69331375T DE 69331375 T2 DE69331375 T2 DE 69331375T2
- Authority
- DE
- Germany
- Prior art keywords
- codemultiplex
- communication system
- mobile communication
- multiple access
- access
- 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
- H04J13/16—Code allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4295340A JPH06152487A (ja) | 1992-11-04 | 1992-11-04 | 無線通信システム |
JP4312280A JPH06164546A (ja) | 1992-11-20 | 1992-11-20 | 移動通信システム |
JP4344741A JP2749238B2 (ja) | 1992-12-24 | 1992-12-24 | 移動通信用基地局送信装置および移動通信システム |
JP4344740A JP2749237B2 (ja) | 1992-12-24 | 1992-12-24 | 移動通信用基地局送信装置および移動通信システム |
PCT/JP1993/001592 WO1994010766A1 (en) | 1992-11-04 | 1993-11-04 | Code division multiplex access mobile communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69331375D1 DE69331375D1 (de) | 2002-01-31 |
DE69331375T2 true DE69331375T2 (de) | 2002-08-14 |
Family
ID=27479656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69331375T Expired - Fee Related DE69331375T2 (de) | 1992-11-04 | 1993-11-04 | Mobiles kommunikationssystem mit kodemultiplexvielfachzugriff |
Country Status (5)
Country | Link |
---|---|
US (1) | US5568472A (de) |
EP (1) | EP0620658B1 (de) |
CA (1) | CA2126237C (de) |
DE (1) | DE69331375T2 (de) |
WO (1) | WO1994010766A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7123579B1 (en) | 1999-08-04 | 2006-10-17 | Lg Electronics Inc. | Method of transmitting non-orthogonal physical channels in the communications system |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5627855A (en) * | 1995-05-25 | 1997-05-06 | Golden Bridge Technology, Inc. | Programmable two-part matched filter for spread spectrum |
EP1229752B1 (de) * | 1995-05-31 | 2004-10-13 | NTT DoCoMo, Inc. | Verfahren, System und Mobilstationsvorrichtung zur CDMA-Mobilkommunikation |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7929498B2 (en) * | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
JP3212238B2 (ja) * | 1995-08-10 | 2001-09-25 | 株式会社日立製作所 | 移動通信システムおよび移動端末装置 |
US6570865B2 (en) | 1995-08-10 | 2003-05-27 | Hitachi, Ltd. | CDMA mobile communications system and communication method |
US5960028A (en) * | 1995-08-11 | 1999-09-28 | Sharp Kabushiki Kaisha | Spread spectrum communication system |
JPH09307951A (ja) * | 1996-03-15 | 1997-11-28 | Matsushita Electric Ind Co Ltd | スペクトル拡散通信装置 |
US6765895B1 (en) | 1996-03-15 | 2004-07-20 | Matsushita Electric Industrial Co., Ltd. | Spectrum spread communication system |
US5862132A (en) * | 1996-04-22 | 1999-01-19 | Motorola, Inc. | System and method for multiple access short message communications |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
JP2800891B2 (ja) * | 1996-12-17 | 1998-09-21 | 日本電気株式会社 | Cdma方式のマルチコード送信装置 |
ATE392047T1 (de) * | 1997-09-11 | 2008-04-15 | Em Microelectronic Marin Sa | Kommunikationsprotokoll zwischen einer sende- empfangseinheit und transpondern |
US6370158B1 (en) * | 1997-11-14 | 2002-04-09 | Wireless Facilities, Inc. | Wireless T/E Transceiver frame signaling subcontroller |
US6373827B1 (en) | 1997-10-20 | 2002-04-16 | Wireless Facilities, Inc. | Wireless multimedia carrier system |
US6266385B1 (en) | 1997-12-23 | 2001-07-24 | Wireless Facilities, Inc. | Elastic store for wireless communication systems |
US6208632B1 (en) | 1998-01-29 | 2001-03-27 | Sharp Laboratories Of America | System and method for CDMA channel estimation |
JP3335900B2 (ja) | 1998-02-27 | 2002-10-21 | 松下電器産業株式会社 | 干渉除去装置及び干渉除去方法 |
US6396819B1 (en) | 1998-03-21 | 2002-05-28 | Richard D. Fleeter | Low-cost satellite communication system |
US6085104A (en) * | 1998-03-25 | 2000-07-04 | Sharp Laboratories Of America, Inc. | Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method |
JP3024751B2 (ja) | 1998-04-22 | 2000-03-21 | 日本電気株式会社 | フレームオフセット設定システム及び設定方法並びに設定プログラム記録媒体 |
US6526035B1 (en) | 1998-06-09 | 2003-02-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for identifying the source of a digital signal |
US6097930A (en) * | 1998-08-21 | 2000-08-01 | Weblink Wireless, Inc. | System and method for modeling simulcast delay spread and optimizing launch delays |
US6396817B2 (en) | 1998-08-31 | 2002-05-28 | Qualcomm Incorporated | Signal splitting method for limiting peak power in a CDMA system |
KR20000041261A (ko) * | 1998-12-22 | 2000-07-15 | 구자홍 | 확산 코드를 이용한 데이터 전송 방법 |
JP3852533B2 (ja) | 1999-01-20 | 2006-11-29 | 三菱電機株式会社 | 初期捕捉回路 |
JP3410379B2 (ja) * | 1999-02-26 | 2003-05-26 | 松下電器産業株式会社 | 無線通信基地局装置及び無線通信方法 |
KR100320424B1 (ko) * | 1999-08-04 | 2002-01-15 | 서평원 | 이동 통신시스템에서의 전송 방법 |
JP3259776B2 (ja) * | 1999-08-24 | 2002-02-25 | 日本電気株式会社 | 送信回路 |
US6728296B1 (en) * | 1999-10-19 | 2004-04-27 | Skyworks Solutions, Inc. | Direct sequence spread spectrum system with enhanced forward error correction code feature |
US7227884B2 (en) | 2000-02-28 | 2007-06-05 | Aeroastro, Inc. | Spread-spectrum receiver with progressive fourier transform |
US20020067759A1 (en) * | 2000-10-27 | 2002-06-06 | L-3 Communications Corporation | Efficient implementation of space division/multiple access for a synchronous CDMA communication system |
JP3628977B2 (ja) * | 2001-05-16 | 2005-03-16 | 松下電器産業株式会社 | 無線基地局装置及び通信端末装置 |
US7592953B2 (en) | 2005-12-30 | 2009-09-22 | Comtech Mobile Datacom Corporation | Mobile satellite communications |
US8275080B2 (en) | 2006-11-17 | 2012-09-25 | Comtech Mobile Datacom Corporation | Self-supporting simplex packets |
US8284749B2 (en) * | 2008-03-10 | 2012-10-09 | Comtech Mobile Datacom Corporation | Time slot synchronized, flexible bandwidth communication system |
US8548107B1 (en) | 2009-01-26 | 2013-10-01 | Comtech Mobile Datacom Corporation | Advanced multi-user detector |
US9106364B1 (en) | 2009-01-26 | 2015-08-11 | Comtech Mobile Datacom Corporation | Signal processing of a high capacity waveform |
US8675711B1 (en) | 2009-09-25 | 2014-03-18 | Comtech Mobile Datacom Corporation | System and methods for dynamic spread spectrum usage |
US20140079040A1 (en) * | 2012-09-18 | 2014-03-20 | R. Clayton Smith | Time Slot Synchronized, Flexible Bandwidth Communication System |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4222115A (en) * | 1978-03-13 | 1980-09-09 | Purdue Research Foundation | Spread spectrum apparatus for cellular mobile communication systems |
JPS5856290A (ja) * | 1981-09-29 | 1983-04-02 | Nec Corp | 記憶装置 |
US4549303A (en) * | 1983-12-27 | 1985-10-22 | The United States Of America As Represented By The Secretary Of The Army | Multichannel time division multiplexed trunk transmission link |
DE3527331A1 (de) * | 1985-07-31 | 1987-02-05 | Philips Patentverwaltung | Digitales funkuebertragungssystem |
US4930140A (en) * | 1989-01-13 | 1990-05-29 | Agilis Corporation | Code division multiplex system using selectable length spreading code sequences |
CA1312656C (en) * | 1989-08-24 | 1993-01-12 | Steven Messenger | Wireless communications systems |
US5109390A (en) * | 1989-11-07 | 1992-04-28 | Qualcomm Incorporated | Diversity receiver in a cdma cellular telephone system |
EP0486834B1 (de) * | 1990-11-22 | 1995-11-22 | Ascom Tech Ag | Mehrfachzugriffsverfahren und Mobilfunksystem zur Durchführung des Mehrfachzugriffsverfahrens |
US5402413A (en) * | 1991-04-08 | 1995-03-28 | Omnipoint Corporation | Three-cell wireless communication system |
-
1993
- 1993-11-04 US US08/256,230 patent/US5568472A/en not_active Expired - Fee Related
- 1993-11-04 CA CA002126237A patent/CA2126237C/en not_active Expired - Fee Related
- 1993-11-04 DE DE69331375T patent/DE69331375T2/de not_active Expired - Fee Related
- 1993-11-04 WO PCT/JP1993/001592 patent/WO1994010766A1/ja active IP Right Grant
- 1993-11-04 EP EP93924170A patent/EP0620658B1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7123579B1 (en) | 1999-08-04 | 2006-10-17 | Lg Electronics Inc. | Method of transmitting non-orthogonal physical channels in the communications system |
DE10038187B4 (de) * | 1999-08-04 | 2007-04-19 | Lg Information & Communications, Ltd. | Verfahren zum Übertragen in nicht-orthogonalen physikalischen Kanälen im Kommunikationssystem |
Also Published As
Publication number | Publication date |
---|---|
WO1994010766A1 (en) | 1994-05-11 |
CA2126237C (en) | 1998-12-08 |
CA2126237A1 (en) | 1994-05-11 |
EP0620658A4 (de) | 1995-04-05 |
US5568472A (en) | 1996-10-22 |
DE69331375D1 (de) | 2002-01-31 |
EP0620658A1 (de) | 1994-10-19 |
EP0620658B1 (de) | 2001-12-19 |
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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 |