DE69933371D1 - Empfänger und Verfahren mit verbesserter Leistung für CDMA Übertragung - Google Patents
Empfänger und Verfahren mit verbesserter Leistung für CDMA ÜbertragungInfo
- Publication number
- DE69933371D1 DE69933371D1 DE69933371T DE69933371T DE69933371D1 DE 69933371 D1 DE69933371 D1 DE 69933371D1 DE 69933371 T DE69933371 T DE 69933371T DE 69933371 T DE69933371 T DE 69933371T DE 69933371 D1 DE69933371 D1 DE 69933371D1
- Authority
- DE
- Germany
- Prior art keywords
- receivers
- methods
- improved performance
- cdma transmission
- cdma
- 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
- H04B1/7113—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
-
- 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)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99440158A EP1069696B1 (de) | 1999-06-24 | 1999-06-24 | Empfänger und Verfahren mit verbesserter Leistung für CDMA Übertragung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69933371D1 true DE69933371D1 (de) | 2006-11-09 |
DE69933371T2 DE69933371T2 (de) | 2007-01-11 |
Family
ID=8242345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69933371T Expired - Lifetime DE69933371T2 (de) | 1999-06-24 | 1999-06-24 | Empfänger und Verfahren mit verbesserter Leistung für CDMA Übertragung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6496494B1 (de) |
EP (1) | EP1069696B1 (de) |
JP (1) | JP2001036432A (de) |
CN (1) | CN1186884C (de) |
DE (1) | DE69933371T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001006670A1 (de) * | 1999-07-15 | 2001-01-25 | Infineon Technologies Ag | Verfahren zur schätzung der kanalimpulsantwort eines mobilfunkkanals |
US6801564B2 (en) * | 2000-02-23 | 2004-10-05 | Ipr Licensing, Inc. | Reverse link correlation filter in wireless communication systems |
JP2002026768A (ja) | 2000-07-07 | 2002-01-25 | Nec Corp | 通信装置 |
US20020136234A1 (en) * | 2001-02-14 | 2002-09-26 | Hakan Eriksson | Tuning the fingers of rake receiver |
SG114534A1 (en) * | 2002-03-12 | 2005-09-28 | Oki Techno Ct Singapore Pte | Reduced-complexity multipath interference cancellation |
US7142586B2 (en) * | 2002-09-18 | 2006-11-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Robust delay estimation architecture |
US7349461B2 (en) * | 2003-02-13 | 2008-03-25 | Qualcomm Incorporated | Efficient back-end channel matched filter (CMF) |
EP1655854A1 (de) * | 2004-11-03 | 2006-05-10 | Alcatel | Verfahren zur Berechnung des Verzögerungsprofils in einem zellularen Kommunicationssystem. |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2655068B2 (ja) * | 1993-12-30 | 1997-09-17 | 日本電気株式会社 | スペクトラム拡散受信機 |
US5671221A (en) * | 1995-06-14 | 1997-09-23 | Sharp Microelectronics Technology, Inc. | Receiving method and apparatus for use in a spread-spectrum communication system |
DE69629633T2 (de) * | 1995-07-19 | 2004-06-17 | Nec Corp. | Vielfaltnachrichtenübertragungssystem mit Kodemultiplexvielfachzugriff |
JP3165447B2 (ja) * | 1995-11-29 | 2001-05-14 | 株式会社エヌ・ティ・ティ・ドコモ | ダイバーシチ受信装置および制御方法 |
JP2934185B2 (ja) * | 1996-03-15 | 1999-08-16 | 松下電器産業株式会社 | Cdmaセルラ無線基地局装置および移動局装置および送信方法 |
JP3310160B2 (ja) * | 1996-03-29 | 2002-07-29 | 松下電器産業株式会社 | スペクトラム拡散方式受信装置 |
JPH1051354A (ja) * | 1996-05-30 | 1998-02-20 | N T T Ido Tsushinmo Kk | Ds−cdma伝送方法 |
JP3720141B2 (ja) * | 1996-10-01 | 2005-11-24 | 松下電器産業株式会社 | 移動体通信方法およびその装置 |
-
1999
- 1999-06-24 EP EP99440158A patent/EP1069696B1/de not_active Expired - Lifetime
- 1999-06-24 DE DE69933371T patent/DE69933371T2/de not_active Expired - Lifetime
- 1999-08-19 US US09/377,032 patent/US6496494B1/en not_active Expired - Lifetime
-
2000
- 2000-06-09 JP JP2000173061A patent/JP2001036432A/ja active Pending
- 2000-06-23 CN CNB001187430A patent/CN1186884C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1069696A1 (de) | 2001-01-17 |
DE69933371T2 (de) | 2007-01-11 |
EP1069696B1 (de) | 2006-09-27 |
CN1186884C (zh) | 2005-01-26 |
US6496494B1 (en) | 2002-12-17 |
JP2001036432A (ja) | 2001-02-09 |
CN1287414A (zh) | 2001-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: ALCATEL LUCENT, PARIS, FR |
|
8364 | No opposition during term of opposition |