DE69826415D1 - Einseitenbandübertragung von QPSK-, QAM- und sonstigen Signalen - Google Patents
Einseitenbandübertragung von QPSK-, QAM- und sonstigen SignalenInfo
- Publication number
- DE69826415D1 DE69826415D1 DE69826415T DE69826415T DE69826415D1 DE 69826415 D1 DE69826415 D1 DE 69826415D1 DE 69826415 T DE69826415 T DE 69826415T DE 69826415 T DE69826415 T DE 69826415T DE 69826415 D1 DE69826415 D1 DE 69826415D1
- Authority
- DE
- Germany
- Prior art keywords
- qam
- qpsk
- signals
- single sideband
- sideband transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/970,987 US6091781A (en) | 1997-11-14 | 1997-11-14 | Single sideband transmission of QPSK, QAM and other signals |
US970987 | 1997-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69826415D1 true DE69826415D1 (de) | 2004-10-28 |
DE69826415T2 DE69826415T2 (de) | 2005-09-29 |
Family
ID=25517789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69826415T Expired - Lifetime DE69826415T2 (de) | 1997-11-14 | 1998-11-03 | Einseitenbandübertragung von QPSK-, QAM- und sonstigen Signalen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6091781A (de) |
EP (1) | EP0917325B1 (de) |
JP (1) | JP3432156B2 (de) |
DE (1) | DE69826415T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2828963B1 (fr) * | 2001-08-22 | 2003-11-07 | Excem | Procede et dispositif pour la generation d'un signal module avec un rendement eleve |
JP3564108B2 (ja) * | 2002-03-08 | 2004-09-08 | イビデン産業株式会社 | 有線スペクトル拡散通信装置、その通信方法および有線スペクトル拡散通信システム |
US7746762B2 (en) * | 2002-11-18 | 2010-06-29 | Panasonic Corporation | Transmitting apparatus and transmitting method |
CN1826781B (zh) * | 2003-07-25 | 2012-05-30 | 松下电器产业株式会社 | 调制装置、解调装置、调制方法及解调方法 |
AU2003278162A1 (en) * | 2003-10-30 | 2005-06-08 | Pirelli And C. S.P.A. | Method and system for performing digital beam forming at intermediate frequency on the radiation pattern of an array antenna |
EP1745571B1 (de) | 2004-05-01 | 2017-02-22 | Callahan Cellular L.L.C. | Verfahren und vorrichtung für multi-carrier-kommunikationen mit variabler kanalbandbreite |
WO2005117313A1 (ja) | 2004-05-25 | 2005-12-08 | Matsushita Electric Industrial Co., Ltd. | 変調装置、変調方法及び復調装置 |
JP2006203807A (ja) * | 2005-01-24 | 2006-08-03 | Matsushita Electric Ind Co Ltd | Ofdm変調装置、ofdm復調装置、ofdm変調方法及びofdm復調方法 |
US8682357B2 (en) | 2006-05-02 | 2014-03-25 | Intellectual Ventures Holding 81 Llc | Paging in a wireless network |
US8629808B2 (en) * | 2006-09-22 | 2014-01-14 | Telecom Italia S.P.A. | Method and system for synthesizing array antennas |
JP4786583B2 (ja) * | 2007-04-04 | 2011-10-05 | パナソニック株式会社 | Ssb信号形成方法及び無線送信装置 |
CN101641922A (zh) * | 2007-04-06 | 2010-02-03 | 松下电器产业株式会社 | 发送装置和单边带信号生成方法 |
CN101641921B (zh) * | 2007-04-06 | 2013-01-23 | 松下电器产业株式会社 | 发送装置和单边带信号生成方法 |
JP5105331B2 (ja) * | 2008-06-25 | 2012-12-26 | パナソニック株式会社 | 変調方式および復調方式 |
JP4698714B2 (ja) * | 2008-09-10 | 2011-06-08 | 財団法人電磁応用研究所 | 変調方法および復調方法 |
WO2015125957A1 (ja) * | 2014-02-21 | 2015-08-27 | 学校法人早稲田大学 | 変復調方式ならびに変調装置および復調装置 |
WO2018098712A1 (zh) | 2016-11-30 | 2018-06-07 | 华为技术有限公司 | 一种信号处理方法、装置及光纤传输系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4241451A (en) * | 1978-06-26 | 1980-12-23 | Rockwell International Corporation | Single sideband signal demodulator |
US4358853A (en) * | 1981-01-22 | 1982-11-09 | Codex Corporation | Digital modem transmitter |
GB2176356A (en) * | 1985-06-12 | 1986-12-17 | Philips Electronic Associated | Method of, and demodulator for, digitally demodulating an ssb signal |
CA1257656A (en) * | 1986-03-03 | 1989-07-18 | American Telephone And Telegraph Company | Suppressed double-sideband communication system |
US5103459B1 (en) * | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
CA2144596A1 (en) * | 1994-04-05 | 1995-10-06 | Richard Prodan | Modulator/demodulator using baseband filtering |
US5729575A (en) * | 1995-06-20 | 1998-03-17 | Motorola, Inc. | Transmitter and receiver system and method utilizing a pilot carrier notch data encoded signal |
US5699404A (en) * | 1995-06-26 | 1997-12-16 | Motorola, Inc. | Apparatus for time-scaling in communication products |
US5909434A (en) * | 1996-05-31 | 1999-06-01 | Qualcomm Incorporated | Bright and burst mode signaling data transmission in an adjustable rate wireless communication system |
US5892774A (en) * | 1996-12-12 | 1999-04-06 | Qualcomm Incorporated | Phase shift encoded subchannel |
-
1997
- 1997-11-14 US US08/970,987 patent/US6091781A/en not_active Expired - Lifetime
-
1998
- 1998-11-03 DE DE69826415T patent/DE69826415T2/de not_active Expired - Lifetime
- 1998-11-03 EP EP98308978A patent/EP0917325B1/de not_active Expired - Lifetime
- 1998-11-13 JP JP32363698A patent/JP3432156B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3432156B2 (ja) | 2003-08-04 |
US6091781A (en) | 2000-07-18 |
EP0917325A2 (de) | 1999-05-19 |
JPH11239189A (ja) | 1999-08-31 |
EP0917325A3 (de) | 2002-04-17 |
DE69826415T2 (de) | 2005-09-29 |
EP0917325B1 (de) | 2004-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |