MX9703119A - Metodo y aparato para calculo de canal. - Google Patents
Metodo y aparato para calculo de canal.Info
- Publication number
- MX9703119A MX9703119A MX9703119A MX9703119A MX9703119A MX 9703119 A MX9703119 A MX 9703119A MX 9703119 A MX9703119 A MX 9703119A MX 9703119 A MX9703119 A MX 9703119A MX 9703119 A MX9703119 A MX 9703119A
- Authority
- MX
- Mexico
- Prior art keywords
- channel estimation
- channel estimate
- hkc
- hks
- hkl
- Prior art date
Links
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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
-
- 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
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
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)
- Monitoring And Testing Of Transmission In General (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Communication Control (AREA)
Abstract
En un receptor de un sistema de radiocomunicacion digital, un cálculo de canal combinado (hkC) se forma promediando un cálculo (hkL) de canal largo con un cálculo (hkS) de canal corto.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403724-9 | 1994-10-31 | ||
SE9403724A SE503522C2 (sv) | 1994-10-31 | 1994-10-31 | Förfarande och anordning för kanalestimering |
PCT/SE1995/001275 WO1996013910A1 (en) | 1994-10-31 | 1995-10-27 | Method and apparatus for channel estimation |
Publications (2)
Publication Number | Publication Date |
---|---|
MXPA97003119A MXPA97003119A (es) | 1997-06-01 |
MX9703119A true MX9703119A (es) | 1997-06-28 |
Family
ID=20395799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9703119A MX9703119A (es) | 1994-10-31 | 1995-10-27 | Metodo y aparato para calculo de canal. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5903610A (es) |
EP (1) | EP0789955B1 (es) |
JP (1) | JP3636366B2 (es) |
KR (1) | KR100256919B1 (es) |
CN (1) | CN1092873C (es) |
AU (1) | AU695989B2 (es) |
CA (1) | CA2204135C (es) |
DE (1) | DE69527436T2 (es) |
FI (1) | FI114765B (es) |
MX (1) | MX9703119A (es) |
SE (1) | SE503522C2 (es) |
WO (1) | WO1996013910A1 (es) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
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SE9601659D0 (sv) * | 1996-04-30 | 1996-04-30 | Diabact Ab | Diagnostisk läkemedelsberedning |
AU688231B1 (en) | 1997-03-12 | 1998-03-05 | Nokia Telecommunications Oy | Estimating CIR using correlation with line removal |
JP3275779B2 (ja) * | 1997-06-16 | 2002-04-22 | 日本電気株式会社 | 遅延判定帰還型系列推定受信装置 |
US6539050B1 (en) | 1997-06-26 | 2003-03-25 | Hughes Electronics Corporation | Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission |
US6396822B1 (en) * | 1997-07-15 | 2002-05-28 | Hughes Electronics Corporation | Method and apparatus for encoding data for transmission in a communication system |
US6510147B1 (en) | 1997-07-15 | 2003-01-21 | Hughes Electronics Corporation | Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals |
US6084862A (en) * | 1997-09-26 | 2000-07-04 | Telefonaktiebolaget Lm Ericsson | Time dispersion measurement in radio communications systems |
GB9810686D0 (en) * | 1998-05-19 | 1998-07-15 | King S College London | Dual direction estimator |
GB2339120B (en) * | 1998-06-30 | 2003-03-19 | Nec Technologies | Channel estimation device for digital telecommunications stations |
US6263030B1 (en) | 1998-07-01 | 2001-07-17 | Ericsson Inc. | Equalizer with channel tracker switching |
US6373888B1 (en) | 1998-10-09 | 2002-04-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Estimated channel with variable number of taps |
DE69803574T2 (de) * | 1998-10-27 | 2002-08-29 | Bosch Gmbh Robert | Verfahren zur Schätzung der Kanalimpulsantwort eines Signalübertragungskanals und Mobilstation |
US6507602B1 (en) | 1999-01-07 | 2003-01-14 | Ericsson, Inc. | Smoothing receiver channel estimates using spectral estimation |
JP2000236284A (ja) * | 1999-02-15 | 2000-08-29 | Sony Corp | 相関検出装置及び方法 |
FR2790343B1 (fr) * | 1999-02-26 | 2001-06-01 | Thomson Csf | Systeme pour l'estimation du gain complexe d'un canal de transmission |
US6542560B1 (en) * | 1999-04-23 | 2003-04-01 | Lucent Technologies Inc. | Method of channel estimation and compensation based thereon |
US6614857B1 (en) * | 1999-04-23 | 2003-09-02 | Lucent Technologies Inc. | Iterative channel estimation and compensation based thereon |
DE19920819C1 (de) * | 1999-05-06 | 2000-10-26 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Schätzung von gedächtnisbehafteten Übertragungskanälen |
US6674815B2 (en) * | 1999-06-16 | 2004-01-06 | Ericsson, Inc | Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel |
US6463107B1 (en) | 1999-07-01 | 2002-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for synchronization and modulation type detection |
US6208842B1 (en) * | 1999-09-30 | 2001-03-27 | Motorola Inc. | Method and apparatus for estimating a channel parameter |
US6628706B1 (en) | 1999-12-06 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transforming a channel estimate |
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 |
US6907092B1 (en) * | 2000-07-14 | 2005-06-14 | Comsys Communication & Signal Processing Ltd. | Method of channel order selection and channel estimation in a wireless communication system |
US6970520B1 (en) | 2000-11-13 | 2005-11-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and systems for accumulating metrics generated by a sequence estimation algorithm |
US20020172166A1 (en) * | 2001-03-22 | 2002-11-21 | Huseyin Arslan | Communications system and method for measuring short-term and long-term channel characteristics |
US20020173286A1 (en) * | 2001-04-06 | 2002-11-21 | Bengt Lindoff | Radiocommunication employing selected synchronization technique |
US7035353B2 (en) * | 2001-10-24 | 2006-04-25 | Zenith Electronics Corporation | Channel estimation method blending correlation and least-squares based approaches |
SG108861A1 (en) * | 2002-07-18 | 2005-02-28 | Oki Techno Ct Singapore Pte | High rate receiver |
FR2848361B1 (fr) * | 2002-12-04 | 2005-02-18 | Nortel Networks Ltd | Procede de detection d'un signal et systeme recepteur pour la mise en oeuvre du procede |
FR2848360B1 (fr) * | 2002-12-04 | 2005-08-26 | Nortel Networks Ltd | Procede de detection d'un signal et systeme recepteur pour la mise en oeuvre du procede |
US7065371B1 (en) * | 2003-02-20 | 2006-06-20 | Comsys Communication & Signal Processing Ltd. | Channel order selection and channel estimation in wireless communication system |
US8149960B2 (en) * | 2003-05-23 | 2012-04-03 | Zenith Electronics Llc | Channel estimation for frequency selective multipath channels with long delay spreads based on an assumed physical channel |
US7260055B2 (en) * | 2003-05-30 | 2007-08-21 | Agency For Science, Technology, And Research | Method for reducing channel estimation error in an OFDM system |
DE10326283A1 (de) * | 2003-06-11 | 2005-01-13 | Siemens Ag | Verfahren zur Bestimmung von Kanalkoeffizienten eines Datenübertragungskanals |
KR20050040615A (ko) * | 2003-10-29 | 2005-05-03 | 삼성전자주식회사 | 훈련열 데이터를 이용하여 채널을 추정하는 디지털수신기를 위한 채널 추정 장치 및 그 방법 |
US7995648B2 (en) * | 2004-04-09 | 2011-08-09 | Trident Microsystems (Far East) Ltd. | Advanced digital receiver |
US8126083B2 (en) | 2004-04-09 | 2012-02-28 | Trident Microsystems (Far East) Ltd. | Apparatus for and method of controlling a sampling frequency of a sampling device |
US7580454B2 (en) * | 2004-07-14 | 2009-08-25 | Fundacion Tarpuy | Multidimensional decision-directed trained adaptive equalization |
US20080298518A1 (en) * | 2004-08-12 | 2008-12-04 | Gopalan Krishnamurthy | Automatic Gain Control Unit of a Receiver |
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 |
US8107517B2 (en) * | 2005-12-09 | 2012-01-31 | Qualcomm Incorporated | Average-tap energy based thresholding for channel estimation in multi antenna systems |
KR101531557B1 (ko) * | 2008-10-20 | 2015-06-26 | 삼성전자주식회사 | 이동통신 시스템의 채널 추정 장치 및 방법 |
US8761274B2 (en) * | 2009-02-04 | 2014-06-24 | Acorn Technologies, Inc. | Least squares channel identification for OFDM systems |
WO2012046252A2 (en) * | 2010-10-07 | 2012-04-12 | Centre Of Excellence In Wireless Technology | Robust channel estimation and interpolation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE464902B (sv) * | 1989-10-24 | 1991-06-24 | Ericsson Telefon Ab L M | Foerfarande att adaptera en viterbialgoritm till en kanal med skiftande oeverfoeringsegenskaper samt en anordning foer genomfoerande av foerfarandet |
DE4001592A1 (de) * | 1989-10-25 | 1991-05-02 | Philips Patentverwaltung | Empfaenger fuer digitales uebertragungssystem |
SE465245B (sv) * | 1989-12-22 | 1991-08-12 | Ericsson Telefon Ab L M | Foerfarande att utfoera kanalestimering foer en faedande kanal vid oeverfoering av symbolsekvenser |
US5251233A (en) * | 1990-12-20 | 1993-10-05 | Motorola, Inc. | Apparatus and method for equalizing a corrupted signal in a receiver |
SE469052B (sv) * | 1991-09-10 | 1993-05-03 | Ericsson Telefon Ab L M | Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal |
JP2748743B2 (ja) * | 1991-10-01 | 1998-05-13 | 日本電気株式会社 | データ受信方式 |
SE469678B (sv) * | 1992-01-13 | 1993-08-16 | Ericsson Telefon Ab L M | Saett foer synkronisering och kanalestimering i tdma- radiosystem |
SE470371B (sv) * | 1992-06-23 | 1994-01-31 | Ericsson Telefon Ab L M | Sätt och anordning vid digital signalöverföring att hos en mottagare estimera överförda symboler |
SE513422C2 (sv) * | 1992-08-21 | 2000-09-11 | Ericsson Telefon Ab L M | Förfarande för bildande av kvalitetsmått för signalskurar |
FR2696604B1 (fr) * | 1992-10-07 | 1994-11-04 | Alcatel Radiotelephone | Dispositif d'estimation d'un canal de transmission. |
US5581580A (en) * | 1993-05-20 | 1996-12-03 | Telefonaktiebolaget Lm Ericsson | Low complexity model based channel estimation algorithm for fading channels |
SE513657C2 (sv) * | 1993-06-24 | 2000-10-16 | Ericsson Telefon Ab L M | Sätt och anordning att vid digital signalöverföring estimera överförda symboler hos en mottagare |
US5754599A (en) * | 1996-01-04 | 1998-05-19 | Motorola, Inc. | Method and apparatus for coherent channel estimation in a communication system |
-
1994
- 1994-10-31 SE SE9403724A patent/SE503522C2/sv not_active IP Right Cessation
-
1995
- 1995-10-27 AU AU38619/95A patent/AU695989B2/en not_active Ceased
- 1995-10-27 CA CA002204135A patent/CA2204135C/en not_active Expired - Fee Related
- 1995-10-27 DE DE69527436T patent/DE69527436T2/de not_active Expired - Lifetime
- 1995-10-27 US US08/836,056 patent/US5903610A/en not_active Expired - Lifetime
- 1995-10-27 KR KR1019970702834A patent/KR100256919B1/ko not_active IP Right Cessation
- 1995-10-27 MX MX9703119A patent/MX9703119A/es unknown
- 1995-10-27 JP JP51449996A patent/JP3636366B2/ja not_active Expired - Lifetime
- 1995-10-27 CN CN95196997.8A patent/CN1092873C/zh not_active Expired - Fee Related
- 1995-10-27 WO PCT/SE1995/001275 patent/WO1996013910A1/en active IP Right Grant
- 1995-10-27 EP EP95936824A patent/EP0789955B1/en not_active Expired - Lifetime
-
1997
- 1997-04-29 FI FI971827A patent/FI114765B/fi active
Also Published As
Publication number | Publication date |
---|---|
US5903610A (en) | 1999-05-11 |
CA2204135C (en) | 2005-05-03 |
SE503522C2 (sv) | 1996-07-01 |
SE9403724D0 (sv) | 1994-10-31 |
FI114765B (fi) | 2004-12-15 |
CN1092873C (zh) | 2002-10-16 |
WO1996013910A1 (en) | 1996-05-09 |
AU695989B2 (en) | 1998-08-27 |
FI971827A (fi) | 1997-06-26 |
DE69527436T2 (de) | 2003-01-16 |
JP3636366B2 (ja) | 2005-04-06 |
SE9403724L (sv) | 1996-05-01 |
CA2204135A1 (en) | 1996-05-09 |
DE69527436D1 (de) | 2002-08-22 |
JPH10508445A (ja) | 1998-08-18 |
EP0789955B1 (en) | 2002-07-17 |
CN1171176A (zh) | 1998-01-21 |
EP0789955A1 (en) | 1997-08-20 |
FI971827A0 (fi) | 1997-04-29 |
AU3861995A (en) | 1996-05-23 |
KR100256919B1 (ko) | 2000-05-15 |
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