BR9811283A - Receptor, e, processo de seleção de um número de derivações de canal para um esquema de detecção em um receptor - Google Patents
Receptor, e, processo de seleção de um número de derivações de canal para um esquema de detecção em um receptorInfo
- Publication number
- BR9811283A BR9811283A BR9811283-0A BR9811283A BR9811283A BR 9811283 A BR9811283 A BR 9811283A BR 9811283 A BR9811283 A BR 9811283A BR 9811283 A BR9811283 A BR 9811283A
- Authority
- BR
- Brazil
- Prior art keywords
- receiver
- detection scheme
- selecting
- channel
- channel taps
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
-
- 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
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)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
"RECEPTOR, E, PROCESSO DE SELEçãO DE UM NúMERO DE DERIVAçõES DE CANAL PARA UM ESQUEMA DE DETECçãO EM UM RECEPTOR". Técnicas de adaptação de esquemas de detecção utilizadas nos receptores para receber sinais de rádio são descritas. O sinal recebido é processado para determinar, por exemplo, uma quantidade de dispersão de tempo presente no canal de rádio. Com base nessa determinação um esquema de detecção adequado é selecionado para detectar os símbolos transmitidos. Várias técnicas para a determinação de natureza dispersiva ou não dispersiva do canal são descritas.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/897,309 US6333953B1 (en) | 1997-07-21 | 1997-07-21 | System and methods for selecting an appropriate detection technique in a radiocommunication system |
PCT/US1998/013584 WO1999004537A1 (en) | 1997-07-21 | 1998-07-06 | Determination of the length of a channel impulse response |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9811283A true BR9811283A (pt) | 2000-08-29 |
Family
ID=25407729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9811283-0A BR9811283A (pt) | 1997-07-21 | 1998-07-06 | Receptor, e, processo de seleção de um número de derivações de canal para um esquema de detecção em um receptor |
Country Status (15)
Country | Link |
---|---|
US (1) | US6333953B1 (pt) |
EP (1) | EP0998805B1 (pt) |
JP (1) | JP4459434B2 (pt) |
KR (1) | KR100568647B1 (pt) |
CN (1) | CN1149797C (pt) |
AU (1) | AU747699B2 (pt) |
BR (1) | BR9811283A (pt) |
DE (1) | DE69842193D1 (pt) |
DK (1) | DK0998805T3 (pt) |
EE (1) | EE200000043A (pt) |
ES (1) | ES2362075T3 (pt) |
HK (1) | HK1032305A1 (pt) |
IL (1) | IL134012A (pt) |
MY (1) | MY125280A (pt) |
WO (1) | WO1999004537A1 (pt) |
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US6278726B1 (en) | 1999-09-10 | 2001-08-21 | Interdigital Technology Corporation | Interference cancellation in a spread spectrum communication system |
US6775340B1 (en) * | 2000-10-13 | 2004-08-10 | Ericsson Inc. | Synchronization and channel estimation with extended pilot symbols |
US6961391B2 (en) | 2001-03-30 | 2005-11-01 | Motorola, Inc. | Signal processor used for symbol recovery and methods therein |
US20020173286A1 (en) * | 2001-04-06 | 2002-11-21 | Bengt Lindoff | Radiocommunication employing selected synchronization technique |
US7110478B2 (en) * | 2002-04-09 | 2006-09-19 | Spreadtrum Communications Corporation | Phase difference based frequency correction channel detector for wireless communication system |
US7092377B2 (en) * | 2002-04-24 | 2006-08-15 | Spreadtrum Communications Corporation | Bi-directional time slot estimator for wireless communication system |
US8194770B2 (en) | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8170513B2 (en) * | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US6842133B2 (en) * | 2003-04-30 | 2005-01-11 | Intel Corporation | Strobe through differential signaling |
US7646802B2 (en) * | 2003-06-02 | 2010-01-12 | Qualcomm Incorporated | Communication receiver with hybrid equalizer |
EP1501234A1 (de) * | 2003-07-25 | 2005-01-26 | Com-Research GmbH Solutions for Communication Systems | Verfahren und Vorrichtung zur Bestimmung des dominanten Störtyps |
US7321632B2 (en) * | 2003-09-30 | 2008-01-22 | Intel Corporation | Method and apparatus for multi-algorithm detection |
DE10348818B4 (de) * | 2003-10-21 | 2005-11-10 | Universität Hannover | Verfahren zur Regelung eines Schutzintervalls von Datenströmen in digitalen Funkübertragungseinrichtungen und Funkempfangsgerät hierzu |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
WO2005078949A1 (ja) * | 2004-02-12 | 2005-08-25 | Nec Corporation | 移動通信システム及びそれに用いる無線装置 |
US7145966B2 (en) * | 2004-06-30 | 2006-12-05 | Qualcomm, Incorporated | Signal quality estimation for continuous phase modulation |
US7917562B2 (en) * | 2004-10-29 | 2011-03-29 | Stanley Pietrowicz | Method and system for estimating and applying a step size value for LMS echo cancellers |
US20060193411A1 (en) * | 2005-02-28 | 2006-08-31 | Chou Shaohan J | Digital receiver method and apparatus using differential detection and equalization-based techniques |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
GB201001389D0 (en) * | 2010-01-28 | 2010-03-17 | Icera Inc | A radio receiver in a wireless communication system |
US9191059B2 (en) | 2007-10-31 | 2015-11-17 | Icera Inc. | Processing digital samples in a wireless receiver |
GB0721425D0 (en) | 2007-10-31 | 2007-12-12 | Icera Inc | Processing digital sampels in a wireless receiver |
US7970077B2 (en) * | 2008-08-07 | 2011-06-28 | Cambridge Silicon Radio Limited | Estimation of symbols of transmitted signals using hypotheses |
JP4680310B2 (ja) * | 2009-09-14 | 2011-05-11 | Kddi株式会社 | 受信機及びコンピュータプログラム |
US8908743B2 (en) * | 2012-09-26 | 2014-12-09 | Intel Mobile Communications GmbH | Receiver with multi layer interference cancellation |
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SE464437B (sv) | 1989-08-25 | 1991-04-22 | Ericsson Telefon Ab L M | Metod i en mogilradiomottagare foer att reducera mottagarens effektbehov |
JP2621685B2 (ja) * | 1991-05-29 | 1997-06-18 | 日本電気株式会社 | 適応型最尤系列推定装置 |
US5303263A (en) * | 1991-06-25 | 1994-04-12 | Oki Electric Industry Co., Ltd. | Transmission channel characteristic equalizer |
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JP3145295B2 (ja) * | 1995-12-27 | 2001-03-12 | 松下電器産業株式会社 | データ受信装置 |
US5838740A (en) * | 1996-04-17 | 1998-11-17 | Motorola, Inc. | Crosspole interference canceling receiver for signals with unrelated baud rates |
US5727028A (en) * | 1996-07-31 | 1998-03-10 | Motorola, Inc. | Method and apparatus for receiving a signal in a digital radio frequency communication system |
US5822380A (en) * | 1996-08-12 | 1998-10-13 | Ericsson Inc. | Apparatus and method for joint channel estimation |
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-
1997
- 1997-07-21 US US08/897,309 patent/US6333953B1/en not_active Expired - Lifetime
-
1998
- 1998-07-06 EE EEP200000043A patent/EE200000043A/xx unknown
- 1998-07-06 WO PCT/US1998/013584 patent/WO1999004537A1/en active IP Right Grant
- 1998-07-06 CN CNB988093448A patent/CN1149797C/zh not_active Expired - Lifetime
- 1998-07-06 DK DK98932994.1T patent/DK0998805T3/da active
- 1998-07-06 IL IL13401298A patent/IL134012A/en not_active IP Right Cessation
- 1998-07-06 JP JP2000503634A patent/JP4459434B2/ja not_active Expired - Lifetime
- 1998-07-06 EP EP98932994A patent/EP0998805B1/en not_active Expired - Lifetime
- 1998-07-06 KR KR1020007000606A patent/KR100568647B1/ko not_active IP Right Cessation
- 1998-07-06 DE DE69842193T patent/DE69842193D1/de not_active Expired - Lifetime
- 1998-07-06 ES ES98932994T patent/ES2362075T3/es not_active Expired - Lifetime
- 1998-07-06 AU AU82764/98A patent/AU747699B2/en not_active Expired
- 1998-07-06 BR BR9811283-0A patent/BR9811283A/pt not_active Application Discontinuation
- 1998-07-20 MY MYPI98003306A patent/MY125280A/en unknown
-
2001
- 2001-04-20 HK HK01102824A patent/HK1032305A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0998805B1 (en) | 2011-03-23 |
HK1032305A1 (en) | 2001-07-13 |
IL134012A (en) | 2004-06-01 |
ES2362075T3 (es) | 2011-06-28 |
IL134012A0 (en) | 2001-04-30 |
US6333953B1 (en) | 2001-12-25 |
KR100568647B1 (ko) | 2006-04-07 |
EE200000043A (et) | 2000-10-16 |
DK0998805T3 (da) | 2011-07-11 |
CN1271489A (zh) | 2000-10-25 |
MY125280A (en) | 2006-07-31 |
JP2001510958A (ja) | 2001-08-07 |
JP4459434B2 (ja) | 2010-04-28 |
AU8276498A (en) | 1999-02-10 |
DE69842193D1 (de) | 2011-05-05 |
CN1149797C (zh) | 2004-05-12 |
AU747699B2 (en) | 2002-05-16 |
KR20010022037A (ko) | 2001-03-15 |
WO1999004537A1 (en) | 1999-01-28 |
EP0998805A1 (en) | 2000-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ART. 8O COMBINADO COM O ART.13 DA LPI. |
|
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL. |