KR20000011146A - 신호 송신 방법, 신호 송신 시스템 및 송신기 - Google Patents

신호 송신 방법, 신호 송신 시스템 및 송신기 Download PDF

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Publication number
KR20000011146A
KR20000011146A KR1019980709306A KR19980709306A KR20000011146A KR 20000011146 A KR20000011146 A KR 20000011146A KR 1019980709306 A KR1019980709306 A KR 1019980709306A KR 19980709306 A KR19980709306 A KR 19980709306A KR 20000011146 A KR20000011146 A KR 20000011146A
Authority
KR
South Korea
Prior art keywords
channels
channel
adjacent
transmitting
signal
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.)
Ceased
Application number
KR1019980709306A
Other languages
English (en)
Korean (ko)
Inventor
버나드 보샤드
Original Assignee
버나드 보샤드
셀룰러비젼 테크놀로지 앤드 텔레커뮤니케이션즈 엘.피.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 버나드 보샤드, 셀룰러비젼 테크놀로지 앤드 텔레커뮤니케이션즈 엘.피. filed Critical 버나드 보샤드
Publication of KR20000011146A publication Critical patent/KR20000011146A/ko
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/06Channels characterised by the type of signal the signals being represented by different frequencies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/12Arrangements for reducing cross-talk between channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/20Adaptations 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)
KR1019980709306A 1997-03-18 1998-02-19 신호 송신 방법, 신호 송신 시스템 및 송신기 Ceased KR20000011146A (ko)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
KR20000011146A true KR20000011146A (ko) 2000-02-25

Family

ID=25229374

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019980709306A Ceased KR20000011146A (ko) 1997-03-18 1998-02-19 신호 송신 방법, 신호 송신 시스템 및 송신기

Country Status (6)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6771590B1 (en) 1996-08-22 2004-08-03 Tellabs Operations, Inc. Communication system clock synchronization techniques
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
US6658115B1 (en) * 1999-11-16 2003-12-02 Radioshack, Corp. Method and apparatus for high fidelity wireless stereophonic transmission
US7343015B2 (en) * 1999-11-16 2008-03-11 Radio Shack Corporation Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers
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
CN1012411B (zh) * 1987-11-10 1991-04-17 日本电气株式会社 信道转换系统
DE3810628C1 (https=) * 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
WO1998042092A3 (en) 1999-01-14
JP2001506464A (ja) 2001-05-15
EP0925660A2 (en) 1999-06-30
CN1227027A (zh) 1999-08-25
WO1998042092A2 (en) 1998-09-24
US5983078A (en) 1999-11-09
CN1149831C (zh) 2004-05-12

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PA0105 International application

Patent event date: 19981118

Patent event code: PA01051R01D

Comment text: International Patent Application

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PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20030219

Comment text: Request for Examination of Application

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Patent event date: 20041030

Patent event code: PE09021S01D

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Patent event date: 20050427

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20050726

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20050427

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

Patent event date: 20041030

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I