DE50206747D1 - Mehrteilnehmer-detektion mittels rake-empfänger-struktur - Google Patents
Mehrteilnehmer-detektion mittels rake-empfänger-strukturInfo
- Publication number
- DE50206747D1 DE50206747D1 DE50206747T DE50206747T DE50206747D1 DE 50206747 D1 DE50206747 D1 DE 50206747D1 DE 50206747 T DE50206747 T DE 50206747T DE 50206747 T DE50206747 T DE 50206747T DE 50206747 D1 DE50206747 D1 DE 50206747D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver structure
- rake receiver
- detection
- multicultural
- rake
- 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 - Fee Related
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
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
-
- 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
- H04B2201/70707—Efficiency-related aspects
- H04B2201/70709—Efficiency-related aspects with discontinuous detection
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50206747T DE50206747D1 (de) | 2001-05-14 | 2002-05-10 | Mehrteilnehmer-detektion mittels rake-empfänger-struktur |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10123333A DE10123333A1 (de) | 2001-05-14 | 2001-05-14 | Mehrteilnehmer-Detektion mittels RAKE-Empfänger-Struktur |
DE50206747T DE50206747D1 (de) | 2001-05-14 | 2002-05-10 | Mehrteilnehmer-detektion mittels rake-empfänger-struktur |
PCT/DE2002/001697 WO2002093766A1 (de) | 2001-05-14 | 2002-05-10 | Mehrteilnehmer-detektion mittels rake-empfänger-struktur |
Publications (1)
Publication Number | Publication Date |
---|---|
DE50206747D1 true DE50206747D1 (de) | 2006-06-14 |
Family
ID=7684689
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10123333A Ceased DE10123333A1 (de) | 2001-05-14 | 2001-05-14 | Mehrteilnehmer-Detektion mittels RAKE-Empfänger-Struktur |
DE50206747T Expired - Fee Related DE50206747D1 (de) | 2001-05-14 | 2002-05-10 | Mehrteilnehmer-detektion mittels rake-empfänger-struktur |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10123333A Ceased DE10123333A1 (de) | 2001-05-14 | 2001-05-14 | Mehrteilnehmer-Detektion mittels RAKE-Empfänger-Struktur |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040097204A1 (de) |
EP (1) | EP1388215B1 (de) |
AT (1) | ATE326084T1 (de) |
DE (2) | DE10123333A1 (de) |
WO (1) | WO2002093766A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7356100B2 (en) * | 2003-03-03 | 2008-04-08 | Mitsubishi Electric Research Laboratories, Inc. | Estimating channel impulse response and equalizer coefficients in UWB communication systems |
US7292826B2 (en) * | 2004-07-29 | 2007-11-06 | Qualcomm Incorporated | System and method for reducing rake finger processing |
JP4490781B2 (ja) * | 2004-10-18 | 2010-06-30 | 株式会社東芝 | 無線通信装置及び無線通信システム |
US7586974B2 (en) * | 2004-10-19 | 2009-09-08 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for rake finger allocation in a DS-CDMA receiver |
US7372895B2 (en) * | 2004-12-08 | 2008-05-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of and system for delay estimation with minimized finger allocation |
US7480356B2 (en) | 2004-12-08 | 2009-01-20 | Telefonaktiebolaget L M Ericsson (Publ) | Method of and system for path selection in rich multipath conditions |
US8077758B2 (en) * | 2005-02-10 | 2011-12-13 | Interdigital Technology Corporation | Signal separation techniques to provide robust spread spectrum signal decoding |
US8737451B2 (en) | 2007-03-09 | 2014-05-27 | Qualcomm Incorporated | MMSE MUD in 1x mobiles |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2924864B2 (ja) * | 1997-06-16 | 1999-07-26 | 日本電気株式会社 | 適応レイク受信方式 |
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 |
US6072807A (en) * | 1997-12-09 | 2000-06-06 | Lucent Technologies, Inc. | Searching for signals to assign to the fingers of a rake receiver |
US6269075B1 (en) * | 1998-01-26 | 2001-07-31 | Nokia Mobile Phones Limited | Finger assignment in a CDMA rake receiver |
US6301293B1 (en) * | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6442193B1 (en) * | 1999-03-30 | 2002-08-27 | Koninklijke Philips Electronics N.V. | Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver |
US6314130B1 (en) * | 1999-04-28 | 2001-11-06 | Dspc Technologies, Ltd. | System and method for joint time tracking of multiple paths |
JP3381676B2 (ja) * | 1999-09-06 | 2003-03-04 | 日本電気株式会社 | Cdma受信端末 |
US6831944B1 (en) * | 1999-09-14 | 2004-12-14 | Interdigital Technology Corporation | Reduced computation in joint detection |
US6785554B1 (en) * | 1999-09-15 | 2004-08-31 | Qualcomm Incorporated | Modified finger assignment algorithm for high data rate calls |
US6711420B1 (en) * | 1999-09-15 | 2004-03-23 | Qualcomm, Incorporated | Modified finger assignment algorithm for high data rate calls |
JP4756157B2 (ja) * | 1999-12-17 | 2011-08-24 | エスティー‐エリクソン、ソシエテ、アノニム | 割当てられたフィンガーを管理するための方法および装置 |
DE10012875B4 (de) * | 2000-03-16 | 2004-04-01 | Infineon Technologies Ag | Mobilfunkempfänger |
US7031373B1 (en) * | 2000-08-15 | 2006-04-18 | Motorola, Inc. | Apparatus for controlling a plurality of receiver fingers in a CDMA receiver |
-
2001
- 2001-05-14 DE DE10123333A patent/DE10123333A1/de not_active Ceased
-
2002
- 2002-05-10 WO PCT/DE2002/001697 patent/WO2002093766A1/de active IP Right Grant
- 2002-05-10 AT AT02742742T patent/ATE326084T1/de not_active IP Right Cessation
- 2002-05-10 EP EP02742742A patent/EP1388215B1/de not_active Expired - Lifetime
- 2002-05-10 DE DE50206747T patent/DE50206747D1/de not_active Expired - Fee Related
-
2003
- 2003-11-13 US US10/712,693 patent/US20040097204A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE326084T1 (de) | 2006-06-15 |
DE10123333A1 (de) | 2002-11-28 |
EP1388215B1 (de) | 2006-05-10 |
WO2002093766A1 (de) | 2002-11-21 |
EP1388215A1 (de) | 2004-02-11 |
US20040097204A1 (en) | 2004-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |