MX2007003232A - Estimacion de variacion de ruido en comunicaciones inalambricas para combinacion de diversidad y escalada de probabilidad logaritmica. - Google Patents
Estimacion de variacion de ruido en comunicaciones inalambricas para combinacion de diversidad y escalada de probabilidad logaritmica.Info
- Publication number
- MX2007003232A MX2007003232A MX2007003232A MX2007003232A MX2007003232A MX 2007003232 A MX2007003232 A MX 2007003232A MX 2007003232 A MX2007003232 A MX 2007003232A MX 2007003232 A MX2007003232 A MX 2007003232A MX 2007003232 A MX2007003232 A MX 2007003232A
- Authority
- MX
- Mexico
- Prior art keywords
- band
- tones
- noise variance
- wireless communications
- log
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- 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
- H04L25/021—Estimation of channel covariance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Noise Elimination (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
Abstract
Estimacion de variacion de ruido en comunicaciones inalambricas. La estimacion de variacion de ruido incluye recibir una senal 402 que incluye un simbolo de OFDM que tiene, tonos en banda que incluyen tonos piloto en banda, y tonos de limite de banda que incluyen tonos piloto de limite de banda y tonos de proteccion, estimar una variacion de ruido efectiva para los tonos 702 en banda utilizando los tonos piloto en banda y las estimaciones de canal para los tonos piloto en banda, y estimar una variacion de ruido efectiva para los tonos 704 de limite de banda utilizando los tonos piloto de limite de banda, estimaciones de canal para los tonos piloto de limite de banda, y los tonos de proteccion.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61102804P | 2004-09-17 | 2004-09-17 | |
US11/047,347 US7672383B2 (en) | 2004-09-17 | 2005-01-28 | Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling |
PCT/US2005/033133 WO2006034020A1 (en) | 2004-09-17 | 2005-09-16 | Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2007003232A true MX2007003232A (es) | 2007-05-16 |
Family
ID=35519776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2007003232A MX2007003232A (es) | 2004-09-17 | 2005-09-16 | Estimacion de variacion de ruido en comunicaciones inalambricas para combinacion de diversidad y escalada de probabilidad logaritmica. |
Country Status (23)
Country | Link |
---|---|
US (2) | US7672383B2 (es) |
EP (1) | EP1792462B1 (es) |
JP (3) | JP2008514124A (es) |
KR (1) | KR100868834B1 (es) |
CN (1) | CN102546507B (es) |
AT (1) | ATE400957T1 (es) |
AU (2) | AU2005287062C1 (es) |
BR (1) | BRPI0515379A (es) |
CA (2) | CA2579512C (es) |
DE (1) | DE602005008082D1 (es) |
DK (1) | DK1792462T3 (es) |
EC (1) | ECSP077399A (es) |
ES (1) | ES2308563T3 (es) |
IL (1) | IL181901A (es) |
MX (1) | MX2007003232A (es) |
MY (1) | MY142379A (es) |
NO (1) | NO20071739L (es) |
NZ (1) | NZ553857A (es) |
PT (1) | PT1792462E (es) |
RU (1) | RU2346404C2 (es) |
SG (1) | SG155910A1 (es) |
SI (1) | SI1792462T1 (es) |
WO (1) | WO2006034020A1 (es) |
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-
2005
- 2005-01-28 US US11/047,347 patent/US7672383B2/en not_active Expired - Fee Related
- 2005-09-16 JP JP2007532494A patent/JP2008514124A/ja not_active Withdrawn
- 2005-09-16 MY MYPI20054371A patent/MY142379A/en unknown
- 2005-09-16 SI SI200530413T patent/SI1792462T1/sl unknown
- 2005-09-16 WO PCT/US2005/033133 patent/WO2006034020A1/en active Application Filing
- 2005-09-16 CA CA2579512A patent/CA2579512C/en not_active Expired - Fee Related
- 2005-09-16 KR KR1020077008630A patent/KR100868834B1/ko active IP Right Grant
- 2005-09-16 ES ES05797433T patent/ES2308563T3/es active Active
- 2005-09-16 RU RU2007114295/09A patent/RU2346404C2/ru not_active IP Right Cessation
- 2005-09-16 CN CN201110430485.4A patent/CN102546507B/zh active Active
- 2005-09-16 AT AT05797433T patent/ATE400957T1/de active
- 2005-09-16 PT PT05797433T patent/PT1792462E/pt unknown
- 2005-09-16 SG SG200906058-3A patent/SG155910A1/en unknown
- 2005-09-16 DK DK05797433T patent/DK1792462T3/da active
- 2005-09-16 CA CA2730327A patent/CA2730327A1/en not_active Abandoned
- 2005-09-16 DE DE602005008082T patent/DE602005008082D1/de active Active
- 2005-09-16 NZ NZ553857A patent/NZ553857A/en not_active IP Right Cessation
- 2005-09-16 MX MX2007003232A patent/MX2007003232A/es active IP Right Grant
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