FI956148A - Digitaalinen radioliikennelaitteisto - Google Patents
Digitaalinen radioliikennelaitteisto Download PDFInfo
- Publication number
- FI956148A FI956148A FI956148A FI956148A FI956148A FI 956148 A FI956148 A FI 956148A FI 956148 A FI956148 A FI 956148A FI 956148 A FI956148 A FI 956148A FI 956148 A FI956148 A FI 956148A
- Authority
- FI
- Finland
- Prior art keywords
- radio communication
- communication equipment
- digital radio
- digital
- equipment
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- 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
- 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
- H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
-
- 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
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
- H04L25/03044—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure using fractionally spaced delay lines or combinations of fractionally integrally spaced taps
-
- 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
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
-
- 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
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
- H04L25/03063—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using fractionally spaced delay lines or combinations of fractionally and integrally spaced taps
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14954393 | 1993-06-21 | ||
PCT/JP1994/000988 WO1995001035A1 (fr) | 1993-06-21 | 1994-06-21 | Equipement de radiocommunications numeriques |
Publications (2)
Publication Number | Publication Date |
---|---|
FI956148A0 FI956148A0 (fi) | 1995-12-20 |
FI956148A true FI956148A (fi) | 1996-02-19 |
Family
ID=15477451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI956148A FI956148A (fi) | 1993-06-21 | 1995-12-20 | Digitaalinen radioliikennelaitteisto |
Country Status (8)
Country | Link |
---|---|
US (1) | US5648986A (fi) |
EP (1) | EP0739117A4 (fi) |
JP (1) | JP3457319B2 (fi) |
CN (1) | CN1097374C (fi) |
AU (1) | AU682700B2 (fi) |
CA (1) | CA2165815C (fi) |
FI (1) | FI956148A (fi) |
WO (1) | WO1995001035A1 (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2303278B (en) * | 1995-07-11 | 2000-04-26 | Remo Giovanni Andrea Marzolini | Improvements to demodulation systems |
JPH0951295A (ja) * | 1995-08-04 | 1997-02-18 | Matsushita Electric Ind Co Ltd | データ受信装置 |
JP3437411B2 (ja) * | 1997-05-20 | 2003-08-18 | 松下電器産業株式会社 | 受信装置及び送信装置並びにこれらを用いた基地局装置及び移動局装置 |
JP3257591B2 (ja) * | 1998-02-20 | 2002-02-18 | 日本電気株式会社 | 移動無線端末および電力制御方法 |
US6275485B1 (en) | 1998-12-03 | 2001-08-14 | Qualcomm Inc. | Noise characterization in a wireless communication system |
US6580930B1 (en) | 1999-04-15 | 2003-06-17 | Ericsson, Inc. | Signal detector selector and method for selecting a detector |
US6167081A (en) * | 1999-09-03 | 2000-12-26 | Porter; James L. | Dual mode receiver |
WO2001099329A1 (en) * | 2000-06-20 | 2001-12-27 | Nokia Corporation | Error estimation method and apparatus |
EP1172961A1 (fr) * | 2000-06-27 | 2002-01-16 | Koninklijke Philips Electronics N.V. | Système de communication, récepteur, méthode d'estimation d'erreurs dues au canal |
US6970132B2 (en) * | 2001-02-02 | 2005-11-29 | Rosum Corporation | Targeted data transmission and location services using digital television signaling |
ES2384262T3 (es) * | 2004-11-15 | 2012-07-03 | Koninklijke Philips Electronics N.V. | Método y aparato para detectar el estado de alta movilidad de un terminal móvil y dispositivo relacionado |
JP3930525B2 (ja) * | 2005-11-21 | 2007-06-13 | シャープ株式会社 | デジタル復調装置、その制御方法、その制御用プログラム、その制御用プログラムを記録した記録媒体及びデジタル受信装置 |
JP3917633B1 (ja) * | 2005-11-21 | 2007-05-23 | シャープ株式会社 | デジタル復調装置、その制御方法、デジタル復調装置用プログラム、デジタル復調装置用プログラムを記録した記録媒体及びデジタル受信装置 |
JP4305531B2 (ja) * | 2007-03-08 | 2009-07-29 | ソニー株式会社 | 無線通信装置、無線通信システム、無線通信方法およびプログラム |
CN101436876B (zh) * | 2008-11-26 | 2013-03-20 | 华为技术有限公司 | 一种对消测试信号的方法和系统 |
CN107574300A (zh) * | 2017-08-29 | 2018-01-12 | 山东恒邦冶炼股份有限公司 | 一种铜、铅阳极泥的混合处理工艺 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5159282A (en) * | 1989-12-06 | 1992-10-27 | Kabushiki Kaisha Toshiba | Demodulation apparatus incorporating adaptive equalizer for digital communication |
US5283531A (en) * | 1989-12-06 | 1994-02-01 | Kabushiki Kaisha Toshiba | Demodulation apparatus incorporating adaptive equalizer for digital communication |
US5212803A (en) * | 1990-09-06 | 1993-05-18 | Telefonaktiebolaget L M Ericsson | Method for reducing equalizer usage in mobile radio communication systems |
JP3017793B2 (ja) * | 1990-11-13 | 2000-03-13 | 株式会社東芝 | ディジタル無線通信装置 |
US5450442A (en) * | 1990-11-02 | 1995-09-12 | Kabushiki Kaisha Toshiba | Digital radio telephone apparatus having an equalizer selectively employed in the apparatus |
JP3168610B2 (ja) * | 1991-06-27 | 2001-05-21 | 日本電気株式会社 | 受信機 |
JPH0537426A (ja) * | 1991-07-30 | 1993-02-12 | Fujitsu Ltd | 移動体通信端末の適応等化器 |
JPH0690225A (ja) * | 1992-09-09 | 1994-03-29 | Shodenryoku Kosoku Tsushin Kenkyusho:Kk | ダイバーシティ無線受信機 |
-
1994
- 1994-06-21 CA CA002165815A patent/CA2165815C/en not_active Expired - Fee Related
- 1994-06-21 CN CN94192523A patent/CN1097374C/zh not_active Expired - Fee Related
- 1994-06-21 EP EP94918541A patent/EP0739117A4/en not_active Withdrawn
- 1994-06-21 WO PCT/JP1994/000988 patent/WO1995001035A1/ja not_active Application Discontinuation
- 1994-06-21 AU AU69823/94A patent/AU682700B2/en not_active Ceased
- 1994-06-21 JP JP50264695A patent/JP3457319B2/ja not_active Expired - Fee Related
- 1994-06-21 US US08/564,239 patent/US5648986A/en not_active Expired - Fee Related
-
1995
- 1995-12-20 FI FI956148A patent/FI956148A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
EP0739117A4 (en) | 1997-11-19 |
EP0739117A1 (en) | 1996-10-23 |
CA2165815A1 (en) | 1995-01-05 |
CN1097374C (zh) | 2002-12-25 |
US5648986A (en) | 1997-07-15 |
CN1125500A (zh) | 1996-06-26 |
AU6982394A (en) | 1995-01-17 |
FI956148A0 (fi) | 1995-12-20 |
JP3457319B2 (ja) | 2003-10-14 |
CA2165815C (en) | 1999-06-01 |
WO1995001035A1 (fr) | 1995-01-05 |
AU682700B2 (en) | 1997-10-16 |
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