DE60012576D1 - Spreizfaktorbestimmung - Google Patents
SpreizfaktorbestimmungInfo
- Publication number
- DE60012576D1 DE60012576D1 DE60012576T DE60012576T DE60012576D1 DE 60012576 D1 DE60012576 D1 DE 60012576D1 DE 60012576 T DE60012576 T DE 60012576T DE 60012576 T DE60012576 T DE 60012576T DE 60012576 D1 DE60012576 D1 DE 60012576D1
- Authority
- DE
- Germany
- Prior art keywords
- spreizfaktorbestimmung
- 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
- 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
- H04J13/004—Orthogonal
- H04J13/0044—OVSF [orthogonal variable spreading factor]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9930801.7A GB9930801D0 (en) | 1999-12-30 | 1999-12-30 | Spreading factor determination |
GB9930801 | 1999-12-30 | ||
PCT/EP2000/012204 WO2001050615A2 (en) | 1999-12-30 | 2000-12-01 | Spreading factor determination |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60012576D1 true DE60012576D1 (de) | 2004-09-02 |
DE60012576T2 DE60012576T2 (de) | 2005-08-11 |
Family
ID=10867152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60012576T Expired - Lifetime DE60012576T2 (de) | 1999-12-30 | 2000-12-01 | Spreizfaktorbestimmung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6678314B2 (de) |
EP (1) | EP1243081B1 (de) |
AU (1) | AU3155501A (de) |
DE (1) | DE60012576T2 (de) |
GB (1) | GB9930801D0 (de) |
WO (1) | WO2001050615A2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020057730A1 (en) * | 2000-08-04 | 2002-05-16 | Jonas Karlsson | Spreading factor detector |
US7106783B2 (en) * | 2000-12-19 | 2006-09-12 | Lg Electronics Inc. | Method and apparatus for searching multipaths of mobile communication system |
EP1357669A4 (de) * | 2001-01-31 | 2005-08-24 | Matsushita Electric Ind Co Ltd | Decodierungseinrichtung und decodierungs-verfahren |
US7035315B2 (en) * | 2001-04-24 | 2006-04-25 | Lucent Technologies Inc. | Doppler corrected communications receiver and method of removing doppler frequency shift |
JP3924565B2 (ja) * | 2001-08-30 | 2007-06-06 | 株式会社エヌ・ティ・ティ・ドコモ | 無線伝送システムおよび方法並びにその無線伝送システムで用いられる送信局装置および受信局装置 |
GB2381422A (en) * | 2001-10-24 | 2003-04-30 | Ipwireless Inc | Code division multiple access receiver |
US7143320B2 (en) * | 2001-12-31 | 2006-11-28 | Intel Corporation | Increasing data throughput on a wireless local area network in the presence of intermittent interference |
US7006439B2 (en) | 2002-04-24 | 2006-02-28 | Freescale Semiconductor, Inc. | Method and apparatus for determining an upper data rate for a variable data rate signal |
US7003019B2 (en) * | 2002-05-22 | 2006-02-21 | Interdigital Technology Corporation | Data detection for codes with non-uniform spreading factors |
US7496128B2 (en) * | 2003-03-08 | 2009-02-24 | Regents Of The University Of Minnesota | Multi-user interference resilient ultra wideband (UWB) communication |
US20050135460A1 (en) * | 2003-12-22 | 2005-06-23 | Hidenori Akita | Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system |
US20050141598A1 (en) * | 2003-12-30 | 2005-06-30 | Hidenori Akita | Method and apparatus for estimating a SIR of a pilot channel in a MC-CDMA system |
FI20055314A0 (fi) * | 2005-06-15 | 2005-06-15 | Nokia Corp | Lähetysparametrien ja hajotuskertoimien samanaikainen ilmaisu CDMA-viestintäjärjestelmässä |
GB2429605B (en) | 2005-08-24 | 2008-06-04 | Ipwireless Inc | Apparatus and method for communicating signalling information |
US8199793B2 (en) * | 2005-12-06 | 2012-06-12 | St-Ericsson Sa | Determination of active spreading codes and their powers |
US8102897B1 (en) * | 2009-01-28 | 2012-01-24 | L-3 Communications, Corp. | Direct sequence spread spectrum system and method with plural chipping rates |
US8374219B2 (en) * | 2009-11-23 | 2013-02-12 | Telefonaktiebolaget L M Ericsson (Publ) | Blind spreading factor detection for wideband code division multiple access (WCDMA) |
US8699546B2 (en) | 2012-04-20 | 2014-04-15 | Telefonaktiebolaget L M Ericsson (Publ) | Blind detection of modulation configuration for interfering signals |
CN114221738B (zh) * | 2021-11-10 | 2023-07-21 | 北京智芯微电子科技有限公司 | 基于直接序列扩频的帧头检测方法、装置及存储介质 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2526510B2 (ja) * | 1993-10-22 | 1996-08-21 | 日本電気株式会社 | 無線デ―タ通信装置 |
JP3169522B2 (ja) * | 1995-01-19 | 2001-05-28 | 沖電気工業株式会社 | データ受信装置 |
FI100569B (fi) * | 1995-05-08 | 1997-12-31 | Nokia Telecommunications Oy | Menetelmä ja laitteisto muuttuvan siirtonopeuden koodausta ja ilmaisua varten monikäyttömatkaviestinjärjestelmässä |
US6222875B1 (en) * | 1997-07-11 | 2001-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-delay rate detection for variable rate communication systems |
US6292519B1 (en) * | 1998-03-11 | 2001-09-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Correction of signal-to-interference ratio measurements |
US6532250B1 (en) * | 1999-12-21 | 2003-03-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for spreading and despreading information signals in code division multiple access communications systems |
-
1999
- 1999-12-30 GB GBGB9930801.7A patent/GB9930801D0/en not_active Ceased
-
2000
- 2000-12-01 DE DE60012576T patent/DE60012576T2/de not_active Expired - Lifetime
- 2000-12-01 WO PCT/EP2000/012204 patent/WO2001050615A2/en active Search and Examination
- 2000-12-01 AU AU31555/01A patent/AU3155501A/en not_active Abandoned
- 2000-12-01 EP EP00991143A patent/EP1243081B1/de not_active Expired - Lifetime
-
2001
- 2001-08-29 US US09/942,315 patent/US6678314B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2001050615A3 (en) | 2001-11-15 |
US20020110140A1 (en) | 2002-08-15 |
US6678314B2 (en) | 2004-01-13 |
EP1243081B1 (de) | 2004-07-28 |
DE60012576T2 (de) | 2005-08-11 |
GB9930801D0 (en) | 2000-02-16 |
AU3155501A (en) | 2001-07-16 |
EP1243081A2 (de) | 2002-09-25 |
WO2001050615A2 (en) | 2001-07-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
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