CN1149831C - 用于减小失真的改进的信道间隔 - Google Patents

用于减小失真的改进的信道间隔 Download PDF

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Publication number
CN1149831C
CN1149831C CNB988006138A CN98800613A CN1149831C CN 1149831 C CN1149831 C CN 1149831C CN B988006138 A CNB988006138 A CN B988006138A CN 98800613 A CN98800613 A CN 98800613A CN 1149831 C CN1149831 C CN 1149831C
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CN
China
Prior art keywords
channels
channel
frequency
carrier frequency
given
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 - Fee Related
Application number
CNB988006138A
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English (en)
Chinese (zh)
Other versions
CN1227027A (zh
Inventor
B・波萨德
B·波萨德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cellularvision Tech and Telecommunications LP
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Cellularvision Tech and Telecommunications LP
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Publication date
Application filed by Cellularvision Tech and Telecommunications LP filed Critical Cellularvision Tech and Telecommunications LP
Publication of CN1227027A publication Critical patent/CN1227027A/zh
Application granted granted Critical
Publication of CN1149831C publication Critical patent/CN1149831C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/12—Arrangements for reducing cross-talk between channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
CNB988006138A 1997-03-18 1998-02-19 用于减小失真的改进的信道间隔 Expired - Fee Related CN1149831C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/819,896 US5983078A (en) 1997-03-18 1997-03-18 Channel spacing for distortion reduction
US08/819,896 1997-03-18

Publications (2)

Publication Number Publication Date
CN1227027A CN1227027A (zh) 1999-08-25
CN1149831C true CN1149831C (zh) 2004-05-12

Family

ID=25229374

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988006138A Expired - Fee Related CN1149831C (zh) 1997-03-18 1998-02-19 用于减小失真的改进的信道间隔

Country Status (6)

Country Link
US (1) US5983078A (enExample)
EP (1) EP0925660A2 (enExample)
JP (1) JP2001506464A (enExample)
KR (1) KR20000011146A (enExample)
CN (1) CN1149831C (enExample)
WO (1) WO1998042092A2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6771590B1 (en) * 1996-08-22 2004-08-03 Tellabs Operations, Inc. Communication system clock synchronization techniques
US6118758A (en) 1996-08-22 2000-09-12 Tellabs Operations, Inc. Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture
ES2389626T3 (es) 1998-04-03 2012-10-29 Tellabs Operations, Inc. Filtro para acortamiento de respuesta al impulso, con restricciones espectrales adicionales, para transmisión de múltiples portadoras
US7440498B2 (en) 2002-12-17 2008-10-21 Tellabs Operations, Inc. Time domain equalization for discrete multi-tone systems
US6795424B1 (en) 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
US6397051B1 (en) * 1998-12-21 2002-05-28 At&T Corporation Dual image-reject mixer receiver for multiple channel reception and processing
US7343015B2 (en) * 1999-11-16 2008-03-11 Radio Shack Corporation Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers
US6658115B1 (en) * 1999-11-16 2003-12-02 Radioshack, Corp. Method and apparatus for high fidelity wireless stereophonic transmission
US8463255B2 (en) * 1999-12-20 2013-06-11 Ipr Licensing, Inc. Method and apparatus for a spectrally compliant cellular communication system
US6529868B1 (en) 2000-03-28 2003-03-04 Tellabs Operations, Inc. Communication system noise cancellation power signal calculation techniques
US7003275B1 (en) * 2000-05-18 2006-02-21 Broadband Innovations, Inc. Agile frequency converter for multichannel systems using IF-RF level exhange and tunable filters
DE10353498B4 (de) * 2003-11-11 2011-12-08 Siemens Ag Optimierte Subkanalzuordnung innerhalb eines Frequenzübertragungsbands
DE602004020988D1 (de) * 2004-09-15 2009-06-18 St Microelectronics Belgium Nv VLIF-Sender für eine "Bluetooth Wireless Technology" Vorrichtung
JP4804735B2 (ja) * 2004-09-30 2011-11-02 富士通株式会社 光伝送システム及び光伝送方法
KR101798046B1 (ko) * 2011-07-28 2017-11-15 엘지전자 주식회사 이동 단말기

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778716A (en) * 1966-01-28 1973-12-11 Hughes Aircraft Co Coherent catv transmission system
US4287598A (en) * 1979-12-17 1981-09-01 Bell Telephone Laboratories, Incorporated Cooperating arrangement for diversity stations
US4475242A (en) * 1982-11-10 1984-10-02 Marc Rafal Microwave communications system
US4747160A (en) * 1987-03-13 1988-05-24 Suite 12 Group Low power multi-function cellular television system
GB8707533D0 (en) * 1987-03-30 1987-05-07 Indep Broadcasting Authority Pre-emphasis for(mac)television signal
DE3850934T2 (de) * 1987-11-10 1994-12-01 Nippon Electric Co Kanalumschaltungseinrichtung.
DE3810628C1 (enExample) * 1988-03-29 1989-04-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart, De
US5204686A (en) * 1988-04-06 1993-04-20 Trw Inc. RF Feed array
US5274836A (en) * 1989-08-08 1993-12-28 Gde Systems, Inc. Multiple encoded carrier data link
US5287543A (en) * 1991-10-07 1994-02-15 General Electric Co. Multichannel communication system with an amplifier in each channel
JPH0746648A (ja) * 1993-08-02 1995-02-14 Fujitsu Ltd 移動体通信システム
US5594937A (en) * 1994-09-02 1997-01-14 Ghz Equipment Company System for the transmission and reception of directional radio signals utilizing a gigahertz implosion concept
JP2910825B2 (ja) * 1994-10-20 1999-06-23 日本電気株式会社 デジタル画像受信器
US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
US5666646A (en) * 1995-04-10 1997-09-09 Comtech Radio frequency (RF) converter system with distributed protection switching and method therefor
US5535191A (en) * 1995-06-28 1996-07-09 Seiko Communications Systems, Inc. Method and apparatus for switching between redundant hardware in a wireless data communication system
JP2802255B2 (ja) * 1995-09-06 1998-09-24 株式会社次世代デジタルテレビジョン放送システム研究所 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置

Also Published As

Publication number Publication date
US5983078A (en) 1999-11-09
JP2001506464A (ja) 2001-05-15
WO1998042092A3 (en) 1999-01-14
WO1998042092A2 (en) 1998-09-24
KR20000011146A (ko) 2000-02-25
CN1227027A (zh) 1999-08-25
EP0925660A2 (en) 1999-06-30

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee