DE602005015584D1 - Verfahren und Vorrichtung zur Auswahl von Verzögerungswerten für einen Rake-Empfänger - Google Patents
Verfahren und Vorrichtung zur Auswahl von Verzögerungswerten für einen Rake-EmpfängerInfo
- Publication number
- DE602005015584D1 DE602005015584D1 DE602005015584T DE602005015584T DE602005015584D1 DE 602005015584 D1 DE602005015584 D1 DE 602005015584D1 DE 602005015584 T DE602005015584 T DE 602005015584T DE 602005015584 T DE602005015584 T DE 602005015584T DE 602005015584 D1 DE602005015584 D1 DE 602005015584D1
- Authority
- DE
- Germany
- Prior art keywords
- delay values
- delay
- rake
- values
- magnitudes
- 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.)
- Active
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
- H04B1/7113—Determination of path profile
-
- 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
- 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
- H04B2201/70702—Intercell-related aspects
-
- 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
- H04B2201/70707—Efficiency-related aspects
-
- 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
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709727—GRAKE type RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05388069A EP1760901B1 (de) | 2005-09-01 | 2005-09-01 | Verfahren und Vorrichtung zur Auswahl von Verzögerungswerten für einen Rake-Empfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602005015584D1 true DE602005015584D1 (de) | 2009-09-03 |
Family
ID=35597972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005015584T Active DE602005015584D1 (de) | 2005-09-01 | 2005-09-01 | Verfahren und Vorrichtung zur Auswahl von Verzögerungswerten für einen Rake-Empfänger |
Country Status (6)
Country | Link |
---|---|
US (1) | US8064497B2 (de) |
EP (1) | EP1760901B1 (de) |
CN (1) | CN101300745A (de) |
AT (1) | ATE437481T1 (de) |
BR (1) | BRPI0615345A2 (de) |
DE (1) | DE602005015584D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4448403B2 (ja) * | 2004-08-16 | 2010-04-07 | 富士通株式会社 | 電力レベル測定装置及び移動局 |
US7453855B1 (en) * | 2005-12-08 | 2008-11-18 | Meru Networks | Multiuser detection and interference suppression techniques for direct sequence spread spectrum systems in which all users employ same spreading code |
KR101061067B1 (ko) * | 2008-10-27 | 2011-08-31 | 한국전자통신연구원 | 식별신호를 이용한 개별 수신전력 계산 장치 및 방법 |
US7994982B2 (en) * | 2009-06-12 | 2011-08-09 | Raytheon Company | Method and apparatus for bounded time delay estimation |
US8842781B2 (en) * | 2010-02-15 | 2014-09-23 | Intel Mobile Communications GmbH | Device and method for selecting a path from an estimated delay profile of a radio signal |
CN102572894B (zh) * | 2011-12-30 | 2014-09-03 | 华为技术有限公司 | 一种干扰小区选择方法及装置 |
US11006324B2 (en) * | 2018-01-08 | 2021-05-11 | Cable Television Laboratories, Inc. | Systems and methods for mitigating delay in availability of data in a communication network |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2737362B1 (fr) * | 1995-07-25 | 1997-10-10 | Matra Communication | Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre |
JP2751959B2 (ja) * | 1996-07-15 | 1998-05-18 | 日本電気株式会社 | Cdma受信装置の受信タイミング検出回路 |
JP3492177B2 (ja) * | 1997-12-15 | 2004-02-03 | 松下電器産業株式会社 | Cdma方式移動体通信機 |
US6731622B1 (en) | 1998-05-01 | 2004-05-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Multipath propagation delay determining means using periodically inserted pilot symbols |
EP1089452A1 (de) * | 1999-09-28 | 2001-04-04 | Lucent Technologies Inc. | Taktfehlerschätzung bei schrittweisem Abtasten für breitbandiges CDMA |
US7043273B2 (en) * | 2002-01-15 | 2006-05-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Diversity branch delay alignment in radio base station |
JP4052060B2 (ja) * | 2002-08-21 | 2008-02-27 | 日本電気株式会社 | Cdma無線装置及びそれに用いる簡易パス推定方法 |
US20040042411A1 (en) * | 2002-08-30 | 2004-03-04 | Erik Dahlback | Method and apparatus for controlling the rate of path searching in a communications system |
US20040066841A1 (en) * | 2002-09-23 | 2004-04-08 | Elias Jonsson | Systems, methods of operating, and computer program products for selecting delays for a rake receiver based on signal to interference ratios and/or powers |
TW200807909A (en) | 2003-03-13 | 2008-02-01 | Interdigital Tech Corp | Wireless communication method and system for assigning multi-paths to rake receiver fingers |
WO2004107597A1 (en) * | 2003-05-27 | 2004-12-09 | Telefonaktiebolaget L M Ericsson (Publ) | Averaging a delay profile in a limited delay range |
US7469024B2 (en) | 2003-09-02 | 2008-12-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for finger placement in rake receiver |
US8964912B2 (en) * | 2005-05-31 | 2015-02-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive timing recovery via generalized RAKE reception |
-
2005
- 2005-09-01 DE DE602005015584T patent/DE602005015584D1/de active Active
- 2005-09-01 EP EP05388069A patent/EP1760901B1/de not_active Not-in-force
- 2005-09-01 AT AT05388069T patent/ATE437481T1/de not_active IP Right Cessation
-
2006
- 2006-08-31 US US12/065,508 patent/US8064497B2/en not_active Expired - Fee Related
- 2006-08-31 CN CNA2006800411680A patent/CN101300745A/zh active Pending
- 2006-08-31 BR BRPI0615345A patent/BRPI0615345A2/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1760901B1 (de) | 2009-07-22 |
US20090041163A1 (en) | 2009-02-12 |
ATE437481T1 (de) | 2009-08-15 |
EP1760901A1 (de) | 2007-03-07 |
CN101300745A (zh) | 2008-11-05 |
US8064497B2 (en) | 2011-11-22 |
BRPI0615345A2 (pt) | 2016-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |