DE60104171D1 - CDMA-Empfänger und CDMA-Empfangsverfahren - Google Patents
CDMA-Empfänger und CDMA-EmpfangsverfahrenInfo
- Publication number
- DE60104171D1 DE60104171D1 DE60104171T DE60104171T DE60104171D1 DE 60104171 D1 DE60104171 D1 DE 60104171D1 DE 60104171 T DE60104171 T DE 60104171T DE 60104171 T DE60104171 T DE 60104171T DE 60104171 D1 DE60104171 D1 DE 60104171D1
- Authority
- DE
- Germany
- Prior art keywords
- cdma
- reception method
- receiver
- cdma receiver
- cdma reception
- 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
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000252621 | 2000-08-23 | ||
JP2000252621 | 2000-08-23 | ||
JP2001241154 | 2001-08-08 | ||
JP2001241154A JP3501783B2 (ja) | 2000-08-23 | 2001-08-08 | Cdma受信装置およびcdma受信方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60104171D1 true DE60104171D1 (de) | 2004-08-12 |
DE60104171T2 DE60104171T2 (de) | 2005-07-14 |
Family
ID=26598314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2001604171 Expired - Lifetime DE60104171T2 (de) | 2000-08-23 | 2001-08-23 | CDMA-Empfänger und CDMA-Empfangsverfahren |
Country Status (6)
Country | Link |
---|---|
US (1) | US6810075B2 (de) |
EP (1) | EP1182795B1 (de) |
JP (1) | JP3501783B2 (de) |
KR (1) | KR100433018B1 (de) |
AU (1) | AU782033B2 (de) |
DE (1) | DE60104171T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4567919B2 (ja) * | 2001-07-09 | 2010-10-27 | 株式会社東芝 | 移動無線端末 |
US7020180B2 (en) * | 2001-10-04 | 2006-03-28 | Qualcomm Inc. | Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system |
JP4165238B2 (ja) * | 2003-01-29 | 2008-10-15 | 日本電気株式会社 | パスサーチ回路及びその方法ならびにプログラム |
FR2851098B1 (fr) * | 2003-02-10 | 2006-08-25 | Nortel Networks Ltd | Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede |
JP3675446B2 (ja) * | 2003-03-26 | 2005-07-27 | 日本電気株式会社 | Cdma受信装置、そのパス管理方法、及びパス管理プログラム |
FR2853170A1 (fr) * | 2003-03-31 | 2004-10-01 | Nortel Networks Ltd | Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede |
US8064494B2 (en) * | 2003-05-28 | 2011-11-22 | Qualcomm Incorporated | Last finger polling for rake receivers |
FR2871636B1 (fr) * | 2004-06-10 | 2006-09-22 | St Microelectronics Sa | Procede de traitement des signaux au sein d'un recepteur "rake" a plusieurs doigts lors d'un changement de configuration des doigts, et recepteur "rake" correspondant |
CA2562220C (en) * | 2005-10-05 | 2013-06-25 | Lg Electronics Inc. | Method of processing traffic information and digital broadcast system |
US7693241B2 (en) * | 2005-10-31 | 2010-04-06 | Qualcomm Incorporated | Rake receiver finger assignment based on signal path concentration |
JP4585954B2 (ja) * | 2005-11-02 | 2010-11-24 | 株式会社日立国際電気 | パス制御方式 |
US8798214B2 (en) * | 2007-11-14 | 2014-08-05 | Qualcomm Incorporated | Minimum finger low-power demodulator for wireless communication |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI110043B (fi) * | 1993-09-20 | 2002-11-15 | Nokia Corp | Menetelmä kanavanvaihdon suorittamiseksi CDMA-solukkoradiojärjestelmässä sekä liikkuva asema |
US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
JP3095065B2 (ja) | 1997-09-11 | 2000-10-03 | 日本電気株式会社 | スペクトル拡散信号のレイク受信方法およびレイク受信装置 |
JP3031354B1 (ja) * | 1998-09-30 | 2000-04-10 | 日本電気株式会社 | Cdma受信装置及びそのマルチパスのフィンガ割り当て方法並びにその制御プログラムを記録した記録媒体 |
JP3387471B2 (ja) * | 2000-02-14 | 2003-03-17 | 日本電気株式会社 | スペクトラム拡散通信方式受信機およびスペクトラム拡散通信のパスサーチ方法 |
JP2001251212A (ja) | 2000-03-08 | 2001-09-14 | Nec Corp | フィンガ割り当て方式及びそれを用いた移動通信機 |
JP3565269B2 (ja) * | 2001-08-22 | 2004-09-15 | 日本電気株式会社 | Cdma受信装置とパスサーチ方法およびプログラム |
-
2001
- 2001-08-08 JP JP2001241154A patent/JP3501783B2/ja not_active Expired - Fee Related
- 2001-08-23 EP EP20010119701 patent/EP1182795B1/de not_active Expired - Lifetime
- 2001-08-23 KR KR10-2001-0050911A patent/KR100433018B1/ko not_active IP Right Cessation
- 2001-08-23 US US09/935,821 patent/US6810075B2/en not_active Expired - Lifetime
- 2001-08-23 DE DE2001604171 patent/DE60104171T2/de not_active Expired - Lifetime
- 2001-08-23 AU AU63614/01A patent/AU782033B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU782033B2 (en) | 2005-06-30 |
EP1182795A3 (de) | 2003-01-15 |
EP1182795B1 (de) | 2004-07-07 |
KR20020015969A (ko) | 2002-03-02 |
US20020024992A1 (en) | 2002-02-28 |
US6810075B2 (en) | 2004-10-26 |
JP3501783B2 (ja) | 2004-03-02 |
EP1182795A2 (de) | 2002-02-27 |
AU6361401A (en) | 2002-02-28 |
KR100433018B1 (ko) | 2004-05-24 |
JP2002141835A (ja) | 2002-05-17 |
DE60104171T2 (de) | 2005-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |