DE69930224D1 - Zeitmultiplex Rake-Finger für WCDMA - Google Patents
Zeitmultiplex Rake-Finger für WCDMAInfo
- Publication number
- DE69930224D1 DE69930224D1 DE69930224T DE69930224T DE69930224D1 DE 69930224 D1 DE69930224 D1 DE 69930224D1 DE 69930224 T DE69930224 T DE 69930224T DE 69930224 T DE69930224 T DE 69930224T DE 69930224 D1 DE69930224 D1 DE 69930224D1
- Authority
- DE
- Germany
- Prior art keywords
- wcdma
- time division
- rake finger
- rake
- finger
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- 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
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99309994A EP1107471B1 (de) | 1999-12-10 | 1999-12-10 | Zeitmultiplex Rake-Finger für WCDMA |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69930224D1 true DE69930224D1 (de) | 2006-05-04 |
DE69930224T2 DE69930224T2 (de) | 2006-12-14 |
Family
ID=8241806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69930224T Expired - Lifetime DE69930224T2 (de) | 1999-12-10 | 1999-12-10 | Zeitmultiplex Rake-Finger für WCDMA |
Country Status (3)
Country | Link |
---|---|
US (1) | US6954487B2 (de) |
EP (1) | EP1107471B1 (de) |
DE (1) | DE69930224T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2357406B (en) * | 1999-12-14 | 2004-01-21 | Nokia Mobile Phones Ltd | Combiner |
JP3871540B2 (ja) * | 2001-10-05 | 2007-01-24 | 富士通株式会社 | 受信装置および半導体装置 |
US7023902B2 (en) * | 2001-11-06 | 2006-04-04 | Qualcomm Inc. | Apparatus and method for scalable offline CDMA demodulation |
US7649860B2 (en) | 2002-01-31 | 2010-01-19 | Qualcomm Incorporated | Buffer-based GPS and CDMA pilot searcher |
US7463671B2 (en) * | 2002-02-19 | 2008-12-09 | Marvell World Trade Ltd. | Rake receiver interface |
US7596134B2 (en) * | 2002-07-03 | 2009-09-29 | Freescale Semiconductor, Inc. | Flexible method and apparatus for performing digital modulation and demodulation |
US7675963B2 (en) * | 2002-07-29 | 2010-03-09 | Infineon Technologies Ag | Method and device for passing parameters to rake receiver |
US7680083B2 (en) * | 2005-07-28 | 2010-03-16 | Broadcom Corporation | Rake receiver architecture within a WCDMA terminal |
US8064414B2 (en) * | 2005-12-13 | 2011-11-22 | Qualcomm, Incorporated | Range extension techniques for a wireless local area network |
US7839917B2 (en) * | 2006-09-18 | 2010-11-23 | Mediatek Inc. | Receiver of a CDMA system with a path alignment circuit |
CN102421186B (zh) * | 2011-01-24 | 2014-04-02 | 展讯通信(上海)有限公司 | 一种冲击响应定时调整方法及装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5506861A (en) * | 1993-11-22 | 1996-04-09 | Ericsson Ge Mobile Comminications Inc. | System and method for joint demodulation of CDMA signals |
FI943249A (fi) * | 1994-07-07 | 1996-01-08 | Nokia Mobile Phones Ltd | Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin |
GB2293730B (en) * | 1994-09-28 | 1998-08-05 | Roke Manor Research | Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit |
JP2820918B2 (ja) * | 1996-03-08 | 1998-11-05 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | スペクトル拡散通信装置 |
JPH09321667A (ja) * | 1996-05-29 | 1997-12-12 | Yozan:Kk | Cdma通信システム用受信機 |
US5953382A (en) * | 1996-07-17 | 1999-09-14 | Asano; Nobuo | CDMA system mobile communication receiver |
JPH10200444A (ja) * | 1997-01-06 | 1998-07-31 | Sony Corp | 受信装置、受信方法、無線システムの端末装置 |
JPH10209919A (ja) * | 1997-01-21 | 1998-08-07 | Sony Corp | 受信装置及び受信方法、並びに携帯電話システムの端末装置 |
US6618431B1 (en) * | 1998-12-31 | 2003-09-09 | Texas Instruments Incorporated | Processor-based method for the acquisition and despreading of spread-spectrum/CDMA signals |
-
1999
- 1999-12-10 EP EP99309994A patent/EP1107471B1/de not_active Expired - Lifetime
- 1999-12-10 DE DE69930224T patent/DE69930224T2/de not_active Expired - Lifetime
-
2000
- 2000-12-05 US US09/729,900 patent/US6954487B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69930224T2 (de) | 2006-12-14 |
US6954487B2 (en) | 2005-10-11 |
US20010036195A1 (en) | 2001-11-01 |
EP1107471A1 (de) | 2001-06-13 |
EP1107471B1 (de) | 2006-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |