CN1124699C - 一种修改tdma系统中信道脉冲响应的方法和设备 - Google Patents
一种修改tdma系统中信道脉冲响应的方法和设备 Download PDFInfo
- Publication number
- CN1124699C CN1124699C CN98814322A CN98814322A CN1124699C CN 1124699 C CN1124699 C CN 1124699C CN 98814322 A CN98814322 A CN 98814322A CN 98814322 A CN98814322 A CN 98814322A CN 1124699 C CN1124699 C CN 1124699C
- Authority
- CN
- China
- Prior art keywords
- impulse response
- signal
- win
- response function
- historical information
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1998/007392 WO2000030274A1 (en) | 1998-11-18 | 1998-11-18 | A method for modifying the channel impulse response in tdma systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1322410A CN1322410A (zh) | 2001-11-14 |
CN1124699C true CN1124699C (zh) | 2003-10-15 |
Family
ID=8167133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98814322A Expired - Fee Related CN1124699C (zh) | 1998-11-18 | 1998-11-18 | 一种修改tdma系统中信道脉冲响应的方法和设备 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6778598B2 (zh) |
EP (1) | EP1147623B1 (zh) |
JP (1) | JP3831194B2 (zh) |
CN (1) | CN1124699C (zh) |
AT (1) | ATE244473T1 (zh) |
AU (1) | AU1339499A (zh) |
DE (1) | DE69816137T2 (zh) |
WO (1) | WO2000030274A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60023280D1 (de) * | 2000-06-23 | 2005-11-24 | St Microelectronics Nv | Verfahren und Vorrichtung zur Schätzung der Impulsantwort eines Übertragungskanals, insbesondere für ein zellulares Mobiltelefon |
FI20010367A (fi) * | 2001-02-23 | 2002-08-24 | Nokia Corp | Menetelmä ja järjestely häiriön vaimentamiseksi |
FR2832877B1 (fr) | 2001-11-23 | 2006-08-18 | Thales Sa | Procede et dispositif d'egalisation par blocs avec interpolation amelioree |
FI115578B (fi) * | 2002-03-20 | 2005-05-31 | Nokia Corp | Tietoliikennejärjestelmä ja vastaanotin |
FI20021317A0 (fi) * | 2002-07-04 | 2002-07-04 | Nokia Corp | Signaalinkäsittelymenetelmä ja vastaanotin |
US7844232B2 (en) * | 2005-05-25 | 2010-11-30 | Research In Motion Limited | Joint space-time optimum filters (JSTOF) with at least one antenna, at least one channel, and joint filter weight and CIR estimation |
US8452829B2 (en) * | 2008-06-23 | 2013-05-28 | Oracle America, Inc. | Real-time optimization of TX FIR filter for high-speed data communication |
JP5682226B2 (ja) * | 2010-10-25 | 2015-03-11 | ソニー株式会社 | 受信装置及び方法、復調装置及び方法、並びにプログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950000054B1 (ko) | 1990-07-27 | 1995-01-07 | 가부시끼가이샤 도시바 | 자동파워 콘트롤장치 |
US5251233A (en) | 1990-12-20 | 1993-10-05 | Motorola, Inc. | Apparatus and method for equalizing a corrupted signal in a receiver |
US5325402A (en) * | 1991-04-30 | 1994-06-28 | Nec Corporation | Method and arrangement for estimating data sequences transmsitted using Viterbi algorithm |
US5303263A (en) * | 1991-06-25 | 1994-04-12 | Oki Electric Industry Co., Ltd. | Transmission channel characteristic equalizer |
JP2605566B2 (ja) * | 1992-12-25 | 1997-04-30 | 日本電気株式会社 | 適応型等化器 |
JP3560991B2 (ja) * | 1993-09-20 | 2004-09-02 | 株式会社東芝 | 適応型最尤系列推定装置 |
JPH08307283A (ja) * | 1995-03-09 | 1996-11-22 | Oki Electric Ind Co Ltd | 最尤系列推定器及び最尤系列推定方法 |
US5790598A (en) * | 1996-03-01 | 1998-08-04 | Her Majesty The Queen In Right Of Canada | Block decision feedback equalizer |
WO2000030275A1 (en) * | 1998-11-18 | 2000-05-25 | Nokia Networks Oy | A method for improved channel impulse response estimation in tdma systems |
-
1998
- 1998-11-18 AU AU13394/99A patent/AU1339499A/en not_active Abandoned
- 1998-11-18 EP EP98956931A patent/EP1147623B1/en not_active Expired - Lifetime
- 1998-11-18 DE DE69816137T patent/DE69816137T2/de not_active Expired - Fee Related
- 1998-11-18 CN CN98814322A patent/CN1124699C/zh not_active Expired - Fee Related
- 1998-11-18 WO PCT/EP1998/007392 patent/WO2000030274A1/en active IP Right Grant
- 1998-11-18 JP JP2000583180A patent/JP3831194B2/ja not_active Expired - Fee Related
- 1998-11-18 AT AT98956931T patent/ATE244473T1/de not_active IP Right Cessation
-
2001
- 2001-05-01 US US09/846,987 patent/US6778598B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1147623B1 (en) | 2003-07-02 |
DE69816137D1 (de) | 2003-08-07 |
EP1147623A1 (en) | 2001-10-24 |
JP2002530927A (ja) | 2002-09-17 |
DE69816137T2 (de) | 2004-03-18 |
ATE244473T1 (de) | 2003-07-15 |
WO2000030274A1 (en) | 2000-05-25 |
JP3831194B2 (ja) | 2006-10-11 |
US20020015459A1 (en) | 2002-02-07 |
CN1322410A (zh) | 2001-11-14 |
AU1339499A (en) | 2000-06-05 |
US6778598B2 (en) | 2004-08-17 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NOKIA AND SIEMENS NETWORKS CO., LTD. Free format text: FORMER OWNER: NOKIA NETWORKS OY Effective date: 20080718 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: NOKIA NETWORKS OY Free format text: FORMER NAME OR ADDRESS: NOKIA NETWORKS OY |
|
CP01 | Change in the name or title of a patent holder |
Address after: Espoo, Finland Patentee after: NOKIA Corp. Address before: Espoo, Finland Patentee before: NOKIA NETWORKS OY |
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TR01 | Transfer of patent right |
Effective date of registration: 20080718 Address after: Espoo, Finland Patentee after: Nokia Siemens Networks Ltd. Address before: Espoo, Finland Patentee before: NOKIA Corp. |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031015 Termination date: 20091218 |