NO942534D0 - Trellis-kodet modulasjonsmetode med liten omhyllingsvariasjon for mobilradio - Google Patents
Trellis-kodet modulasjonsmetode med liten omhyllingsvariasjon for mobilradioInfo
- Publication number
- NO942534D0 NO942534D0 NO942534A NO942534A NO942534D0 NO 942534 D0 NO942534 D0 NO 942534D0 NO 942534 A NO942534 A NO 942534A NO 942534 A NO942534 A NO 942534A NO 942534 D0 NO942534 D0 NO 942534D0
- Authority
- NO
- Norway
- Prior art keywords
- transmitted
- envelope variation
- symbols
- mapper
- encoder
- 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
- H04L27/186—Phase-modulated carrier systems, i.e. using phase-shift keying in which the information is carried by both the individual signal points and the subset to which the individual signal points belong, e.g. coset coding or related schemes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/086,798 US5642384A (en) | 1993-07-06 | 1993-07-06 | Trellis coded modulation scheme with low envelope variation for mobile radio by constraining a maximum modulus of a differential phase angle |
Publications (2)
Publication Number | Publication Date |
---|---|
NO942534D0 true NO942534D0 (no) | 1994-07-05 |
NO942534L NO942534L (no) | 1995-01-09 |
Family
ID=22201002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO942534A NO942534L (no) | 1993-07-06 | 1994-07-05 | Trellis-kodet modulasjonsmetode med liten omhyllingsvariasjon for mobilradio |
Country Status (4)
Country | Link |
---|---|
US (1) | US5642384A (no) |
EP (1) | EP0633680A1 (no) |
JP (1) | JPH07154437A (no) |
NO (1) | NO942534L (no) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6373901B1 (en) * | 1996-04-04 | 2002-04-16 | Motorola, Inc. | Method and apparatus for conditioning modulated signals using window expansion |
FR2767002B1 (fr) * | 1997-08-04 | 1999-10-08 | Matra Communication | Procede de modulation numerique, et modulateur mettant en oeuvre un tel procede |
US6459742B1 (en) * | 1997-08-04 | 2002-10-01 | Eads Defence And Security Networks | Digital modulation process and modulator implementing the process |
WO1999017509A1 (en) * | 1997-09-26 | 1999-04-08 | Ericsson Inc. | Symbol mappings for coded modulations |
GB2339514A (en) * | 1998-07-11 | 2000-01-26 | Motorola Ltd | Cellular communication system with reduced power variation |
US6788728B1 (en) * | 1999-01-12 | 2004-09-07 | Sony Corporation | System and method for reducing peak-to-average ratio of the reverse link modulator in a CDMA phone system |
GB2349994B (en) * | 1999-05-10 | 2003-06-04 | Intek Global Technologies Ltd | Apparatus for producing a radio-frequency signal |
US6785258B1 (en) * | 1999-06-23 | 2004-08-31 | At&T Wireless Services, Inc. | System and method for data scrambling to reduce the crest factor in an OFDM waveform |
WO2002047388A2 (en) | 2000-11-14 | 2002-06-13 | Scientific-Atlanta, Inc. | Networked subscriber television distribution |
US8127326B2 (en) | 2000-11-14 | 2012-02-28 | Claussen Paul J | Proximity detection using wireless connectivity in a communications system |
US8331490B2 (en) | 2001-10-22 | 2012-12-11 | Panasonic Corporation | Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain |
US7054385B2 (en) | 2001-10-22 | 2006-05-30 | Tropian, Inc. | Reduction of average-to-minimum power ratio in communications signals |
US20030192047A1 (en) * | 2002-03-22 | 2003-10-09 | Gaul Michael A. | Exporting data from a digital home communication terminal to a client device |
US7516470B2 (en) * | 2002-08-02 | 2009-04-07 | Cisco Technology, Inc. | Locally-updated interactive program guide |
US7908625B2 (en) | 2002-10-02 | 2011-03-15 | Robertson Neil C | Networked multimedia system |
US7360235B2 (en) | 2002-10-04 | 2008-04-15 | Scientific-Atlanta, Inc. | Systems and methods for operating a peripheral record/playback device in a networked multimedia system |
US8046806B2 (en) | 2002-10-04 | 2011-10-25 | Wall William E | Multiroom point of deployment module |
US8094640B2 (en) | 2003-01-15 | 2012-01-10 | Robertson Neil C | Full duplex wideband communications system for a local coaxial network |
US7469022B2 (en) * | 2004-11-23 | 2008-12-23 | Via Technologies, Inc. | Methods and apparatus for symmetrical phase-shift keying |
DE102004057881B4 (de) * | 2004-11-30 | 2011-08-18 | Via Technologies, Inc. | Verfahren und Vorrichtungen zur symmetrischen Phasen-Umtastung |
GB2420950B (en) * | 2004-12-02 | 2009-09-02 | Via Tech Inc | Methods and apparatus for symmetrical phase-shift keying |
US7876998B2 (en) | 2005-10-05 | 2011-01-25 | Wall William E | DVD playback over multi-room by copying to HDD |
US7787568B2 (en) * | 2006-06-22 | 2010-08-31 | Symbol Technologies, Inc. | High bit rate RFID system |
US8055291B2 (en) * | 2007-09-12 | 2011-11-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Power-aware link adaptation in a wideband CDMA system |
US8103302B2 (en) * | 2007-09-11 | 2012-01-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Power-aware link adaptation with variable bandwidth allocation |
US8983309B2 (en) * | 2012-02-13 | 2015-03-17 | Ciena Corporation | Constrained continuous phase modulation and demodulation in an optical communications system |
JP2014230030A (ja) * | 2013-05-21 | 2014-12-08 | 日本放送協会 | 符号化装置及び符号化方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU589119B2 (en) * | 1984-04-17 | 1989-10-05 | Nec Corporation | Digital radio communication system utilizing quadrature modulated carrier waves |
US5311552A (en) * | 1992-06-15 | 1994-05-10 | General Electric Company | Trellis coding technique to improve adjacent channel interference protection ratio in land mobile radio systems |
US5311553A (en) * | 1992-06-15 | 1994-05-10 | General Electric Company | Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints |
US5600676A (en) * | 1993-07-06 | 1997-02-04 | Ericsson Ge Mobile Communications Inc. | Modulation scheme with low envelope variation for mobile radio by constraining a maximum modulus of a differential phase angle |
-
1993
- 1993-07-06 US US08/086,798 patent/US5642384A/en not_active Expired - Lifetime
-
1994
- 1994-06-28 EP EP94201840A patent/EP0633680A1/en not_active Withdrawn
- 1994-07-05 NO NO942534A patent/NO942534L/no unknown
- 1994-07-05 JP JP6153972A patent/JPH07154437A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0633680A1 (en) | 1995-01-11 |
JPH07154437A (ja) | 1995-06-16 |
NO942534L (no) | 1995-01-09 |
US5642384A (en) | 1997-06-24 |
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