DE69835087D1 - Empfängerarchitektur für ein Mehrfachverwürfelkode CDMA Übertragungsverfahren - Google Patents
Empfängerarchitektur für ein Mehrfachverwürfelkode CDMA ÜbertragungsverfahrenInfo
- Publication number
- DE69835087D1 DE69835087D1 DE69835087T DE69835087T DE69835087D1 DE 69835087 D1 DE69835087 D1 DE 69835087D1 DE 69835087 T DE69835087 T DE 69835087T DE 69835087 T DE69835087 T DE 69835087T DE 69835087 D1 DE69835087 D1 DE 69835087D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission method
- scrambling code
- receiver architecture
- cdma transmission
- multiple scrambling
- 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
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0044—OVSF [orthogonal variable spreading factor]
-
- 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
- H04J13/10—Code generation
- H04J13/102—Combining codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
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 |
---|---|---|---|
EP98120115A EP0996234B1 (de) | 1998-10-23 | 1998-10-23 | Empfängerarchitektur für ein Mehrfachverwürfelkode CDMA Übertragungsverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69835087D1 true DE69835087D1 (de) | 2006-08-10 |
DE69835087T2 DE69835087T2 (de) | 2007-02-01 |
Family
ID=8232850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69835087T Expired - Lifetime DE69835087T2 (de) | 1998-10-23 | 1998-10-23 | Empfängerarchitektur für ein Mehrfachverwürfelkode CDMA Übertragungsverfahren |
Country Status (3)
Country | Link |
---|---|
US (1) | US6862314B1 (de) |
EP (1) | EP0996234B1 (de) |
DE (1) | DE69835087T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0957604B1 (de) * | 1998-05-15 | 2005-11-30 | Sony Deutschland Gmbh | Sender und Übertragungsverfahren, die die Flexibilität der Zuordnung von Koden erhöhen |
GB9823605D0 (en) | 1998-10-29 | 1998-12-23 | Koninkl Philips Electronics Nv | Radio communication system |
US20020110108A1 (en) | 2000-12-07 | 2002-08-15 | Younglok Kim | Simple block space time transmit diversity using multiple spreading codes |
KR100424538B1 (ko) * | 2001-05-29 | 2004-03-27 | 엘지전자 주식회사 | 이동통신시스템에서의 스크램블링 코드 생성 장치 및 방법 |
US7209511B2 (en) * | 2001-08-31 | 2007-04-24 | Ericsson Inc. | Interference cancellation in a CDMA receiving system |
EP3070856B1 (de) * | 2001-09-12 | 2018-10-24 | Intel Deutschland GmbH | Drahtlose cdma-systeme |
US7010016B2 (en) * | 2001-12-19 | 2006-03-07 | Intel Corporation | Method and WCDMA receiver for high-rate and low-rate physical channel reception |
US20030202563A1 (en) * | 2002-04-26 | 2003-10-30 | Arnab Das | Rate adaptation and antenna selection in a wireless communication system |
KR100461547B1 (ko) * | 2002-10-22 | 2004-12-16 | 한국전자통신연구원 | 디에스/시디엠에이 미모 안테나 시스템에서 보다 나은수신 다이버시티 이득을 얻기 위한 전송 시스템 |
JP4444259B2 (ja) * | 2006-10-03 | 2010-03-31 | 株式会社エヌ・ティ・ティ・ドコモ | 下りリンクスクランブル方法および基地局装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5151919A (en) * | 1990-12-17 | 1992-09-29 | Ericsson-Ge Mobile Communications Holding Inc. | Cdma subtractive demodulation |
WO1995010924A1 (fr) * | 1993-10-12 | 1995-04-20 | Ntt Mobile Communications Network Inc. | Procede de transmission multistation et recepteur utilise a cet effet |
US5414728A (en) * | 1993-11-01 | 1995-05-09 | Qualcomm Incorporated | Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels |
US5515396A (en) * | 1994-02-25 | 1996-05-07 | Motorola, Inc. | Method and apparatus for selecting a spreading code in a spectrum spread communication system |
JP2655108B2 (ja) * | 1994-12-12 | 1997-09-17 | 日本電気株式会社 | Cdma送受信装置 |
JP2705623B2 (ja) * | 1995-03-22 | 1998-01-28 | 日本電気株式会社 | ダイバーシチ送受信方法及び送受信機 |
US6307868B1 (en) * | 1995-08-25 | 2001-10-23 | Terayon Communication Systems, Inc. | Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
US6005887A (en) * | 1996-11-14 | 1999-12-21 | Ericcsson, Inc. | Despreading of direct sequence spread spectrum communications signals |
US6222875B1 (en) * | 1997-07-11 | 2001-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-delay rate detection for variable rate communication systems |
US6389000B1 (en) * | 1997-09-16 | 2002-05-14 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers |
KR100268135B1 (ko) * | 1998-02-17 | 2000-10-16 | 이병기 | 분산 표본 전송을 통한 피엔(pn) 시퀀스의 고속 포착 장치 및 방법 |
JP3716398B2 (ja) * | 1998-03-05 | 2005-11-16 | 富士通株式会社 | アレーアンテナによる到来方向推定方法及び該方法を用いたds−cdma受信装置 |
EP0957604B1 (de) * | 1998-05-15 | 2005-11-30 | Sony Deutschland Gmbh | Sender und Übertragungsverfahren, die die Flexibilität der Zuordnung von Koden erhöhen |
US6501747B1 (en) * | 1998-08-20 | 2002-12-31 | Metawave Communications Corporation | Manifold assisted channel estimation and demodulation for CDMA systems in fast fading environments |
-
1998
- 1998-10-23 EP EP98120115A patent/EP0996234B1/de not_active Expired - Lifetime
- 1998-10-23 DE DE69835087T patent/DE69835087T2/de not_active Expired - Lifetime
-
1999
- 1999-10-20 US US09/420,720 patent/US6862314B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0996234B1 (de) | 2006-06-28 |
EP0996234A1 (de) | 2000-04-26 |
US6862314B1 (en) | 2005-03-01 |
DE69835087T2 (de) | 2007-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |