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Multi-channel digital transceiver and method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-027/20
출원번호 US-0835785 (1997-04-15)
발명자 / 주소
  • Smith Paul Fielding
  • Smith John M.
  • Rottinghaus Alan P.
  • Rader Shelia Marie
  • Pinckley Danny Thomas
  • Luz Yuda Yehuda
  • Lurey Daniel Morris
  • Laird Kevin Michael
  • Kobrinetz Tony
  • Elder Robert C.
출원인 / 주소
  • Motorola, inc.
대리인 / 주소
    Haas
인용정보 피인용 횟수 : 31  인용 특허 : 52

초록

A multi-channel digital transceiver (400) receives uplink radio frequency signals and converts these signals to digital intermediate frequency signals. Digital signal processing, including a digital converter module (426), is employed to select digital intermediate frequency signals received at a pl

대표청구항

[ What is claimed is:] [1.] A transmitter in a wireless communication system, the transmitter comprising:a numerically controlled oscillation and modulation device;a digital switch in communication with the numerically controlled oscillation and modulation device;a first summer responsive to the dig

이 특허에 인용된 특허 (52)

  1. Fujita Hiroshi (Kawasaki JPX) Toda Yoshifumi (Kawasaki JPX), p 상세보기
  • Takahara Yasuaki (Kanagawa JPX) Ezaki Tomohiro (Kanagawa JPX) Sudo Shigeyuki (Kanagawa JPX) Okamoto Teiji (Kanagawa JPX), p 상세보기
  • Harrison Robert M. (Grapevine TX) Schaffner Terry M. (Palatine IL), Apparatus and method for digitally processing signals in a radio frequency communication system.
  • Wishart Alexander W. (Stevenage GB3) Lake Francis J. (Stevenage GB3) Marston Paul C. (Stevenage GB3), Apparatus for and method of digital signal processing.
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  • Gudmundson Bjorn (Sollentuna SEX), CDMA frequency allocation.
  • Kuisma Erkki J. (Salo FIX), Combined analog/digital frequency modulator.
  • Hess Garry C. (Elgin IL) Birchler Mark A. (Roselle IL), Control strategy for reuse system assignments and handoff.
  • Solomon James D. (Hoffman Estates IL), Digital FM demodulator with a reduced sampling rate.
  • Wang Tian J. (Indianapolis IN) Christopher Lauren A. (Indianapolis IN), Digital carrier combining apparatus in a multiple QAM digital television signal receiver.
  • Garcia Rafael A. (P.O. Box 530153 Miami Shores FL 33153), Digital data and analog radio frequency transmitter.
  • Schroeder Gene F. (Sarasota FL) Ellis ; Jr. Guy T. (Sarasota FL), Digital demodulator for frequency-division-multiplexed signals.
  • Guo Xiao Y. (Toulouse FRX) Maral Grard (Goyrans FRX), Digital filter-type frequency demultiplexing device.
  • Lee William C. (Denville NJ), Digital hopped frequency, time diversity system.
  • Janc Robert V. (Palos Heights IL) Jasper Steven C. (Hoffman Estates IL) Longley Lester A. (Chicago IL) Zebrose Katherine L. (Chicago IL) Turney William J. (Schaumburg IL) Lillie Ross J. (Schaumburg I, Digital radio frequency receiver.
  • Ruys Willi A. H. (Wilrijk BEX) O\Reilly Dermod J. K. (Antwerp BEX) Verbist Leopold P. (St. Katelijne Waver BEX) Hoefkens Daniel S. G. (Berchem BEX) Thyssens Guido M. J. B. (Boechout BEX), Digital signalling system.
  • Balaban Alvin R. (Lebanon NJ) Steckler Steven A. (Clark NJ), Digital television receiver with analog-to-digital converter having time multiplexed gain.
  • Balaban Alvin R. (Lebanon NJ) Steckler Steven A. (Clark NJ), Digital television receiver with time-multiplexed analog-to-digital converter.
  • Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatly ; III Charles E. (Del Mar CA), Diversity receiver in a CDMA cellular telephone system.
  • Steinbrecher ; Donald H., Doubly balanced mixer with optimized dynamic range.
  • Steinbrecher Donald H. (Carlisle MA), Doubly balanced mixer with optimized dynamic range.
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  • Hirata Yoshimutsu (No. 10-307 Araidanchi ; 842 Arai Hino ; Tokyo JA), Frequency division multiplex system using comb filters.
  • Tsinberg Mikhail (Riverdale NY) Otto Detlev (Peekskill NY), High definition television augmentation channel.
  • Keasler William E. (Champaign IL) Bitzer Donald L. (Urbana IL) Tucker Paul T. (Urbana IL), High speed modem suitable for operating with a switched network.
  • Kokubo Masaru (Kokubunji JPX) Nishita Shigeo (Kokubunji JPX) Yamakido Kazuo (Nishitama JPX), Interpolative D/A converter.
  • Cheah Jonathon (La Jolla CA), Low Cost Ku band transmitter.
  • Bruckert Eugene (Arlington Heights IL), Method and apparatus for canceling spread-spectrum noise.
  • Bi Qi (Morris Plains NJ), Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multipl.
  • Falconer David D. (33 Abingdon Dr. Nepean ; Ontario MA CAX K2H 7M5) Ling Fuyun (202 Chestnut Ave. Jamaica Plain MA 02130), Method and apparatus for using orthogonal coding in a communication system.
  • Harrison Robert M. (Grapevine TX), Method and means for transmultiplexing signals between signal terminals and radio frequency channels.
  • Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA), Method and system for providing a soft handoff in communications in a CDMA cellular telephone system.
  • Graham Hatch (Morgan Hill CA), Modulator having direct digital synthesis for broadband RF transmission.
  • Ives Fred H. (Veradale WA) Dickerson Robert T. (Paso Robles CA) Dickerson William J. (Paso Robles CA) McNamee Michael D. (Spokane WA) Talbot Mark D. (Liberty Way WA), Multi-channel modulated numerical frequency synthesizer.
  • Goeckler Heinz (Backnang DEX) Alberty Thomas (Backnang DEX), Multicarrier demodulator.
  • Wolkstein Herbert J. (Livingston NJ), Multichannel communication system with an amplifier in each channel.
  • Lux Paul A. (Poway CA), Multiple encoded carrier data link.
  • Kelley Edwin A. (Los Angeles CA), Multiple use digital transmitter/transceiver with time multiplexing.
  • Kelley Edwin A. (Los Angeles CA), Multiple user digital receiver apparatus and method with combined multiple frequency channels.
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  • Critchlow David N. (San Diego CA) Avis Graham M. (San Diego CA) Earlam Sandra J. K. (San Diego CA) Johnson Karle J. (Carlsbad CA) Smetana Bruce A. (Escondido CA) Westling Gregory L. (Poway CA), Subscriber unit for wireless digital telephone system.
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  • Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Viterbi Andrew J. (La Jol, System and method for generating signal waveforms in a CDMA cellular telephone system.
  • Acampora Anthony (Freehold NJ) Reudink Douglas O. (Sea Girt NJ), Technique for increasing the rain margin of a TDMA satellite communication system.
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  • Suzuki Mitsuhiro (Tokyo JPX), Transmitting/receiving apparatus switchable between digital and analog modulation modes.
  • Narasimha Madihally J. (Mountain View CA), Transmultiplexer.
  • Barabash Darrell W. (Calgary CAX) Smit Theo J. (Calgary CAX), Vector FM modulator.
  • 이 특허를 인용한 특허 (31)

    1. Kolanek James, Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier.
    2. Weber, David J.; Terrovitis, Manolis; Su, David K., Apparatus for signal power loss reduction in RF communication systems.
    3. Barrett ; Jr. Raymond Louis ; Herold Barry W., Binary random number generator.
    4. Bossard Bernard, Channel spacing for distortion reduction.
    5. Bauman, Donald R.; Wala, Philip M.; Brennan, Jeffrey O., Distributed digital antenna system.
    6. Richard J. Wiegand, Efficient digital integration technique filter.
    7. Mishali, Moshe; Eldar, Yonina, Efficient sampling and reconstruction of sparse multi-band signals.
    8. Havens, William H.; Qu, Huyu, Encoded information reading terminal with micro-electromechanical radio frequency front end.
    9. Wang, Ynjiun Paul; Qu, Huyu; Feng, Chen, Encoded information reading terminal with multi-directional antenna.
    10. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    11. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    12. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    13. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    14. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    15. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    16. Wang, Ynjiun P.; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    17. Wang, Ynjiun Paul; Qu, Huyu; Sauerwein, James T., Encoded information reading terminal with user-configurable multi-protocol wireless communication interface.
    18. Eldar, Yonina; Tur, Ronen; Friedman, Zvi, Low-rate sampling of pulse streams.
    19. Weber, David J.; Terrovitis, Manolis; Su, David K., Method and apparatus for signal power loss reduction in RF communication systems.
    20. Eldar, Yonina; Gedalyahu, Kfir; Tur, Ronen, Multi-channel sampling of pulse streams at the rate of innovation.
    21. Sato,Naotaka, Multiband radio signal transmitter/receiver.
    22. Wala, Philip M., Point-to-multipoint digital radio frequency transport.
    23. Wala, Philip M., Point-to-multipoint digital radio frequency transport.
    24. Wala, Philip M., Point-to-multipoint digital radio frequency transport.
    25. Grabinger,Cory L., Precision modulated controller output.
    26. Subramanian, Ravi, Programmable digital intermediate frequency transceiver.
    27. Qu, Huyu; Feng, Chen; Wang, Ynjiun Paul, RFID devices using metamaterial antennas.
    28. John Sobota CA; Jason Gosior CA; Louis Garner CA; Colin Broughton CA, Radio frequency remote game controller.
    29. Minnis, Brian J., Radio transmitter.
    30. Eldar, Yonina; Matusiak, Ewa, Sub-Nyquist sampling of short pulses.
    31. Lee,Cheng Nan; Huang,Chen Chia, Wireless transmission device capable of transmitting media from multiple channels.

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