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Method and system for simultaneously broadcasting and receiving digital and analog signals

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/00
출원번호 US-0914456 (1997-08-19)
발명자 / 주소
  • Hunsinger Bill J.
  • Kumar Derek D.
대리인 / 주소
    Townsend and Townsend and Crew LLPAllen
인용정보 피인용 횟수 : 34  인용 특허 : 59

초록

A system and method for transmitting digital information through a medium such as atmospheric free-space includes a transmitter which generates a signal based on a basis set of mutually orthogonal, spectrally-shaped, sequences of substantially equal length and having predetermined autocorrelation va

대표청구항

[ What is claimed is:] [1.] A method for preparing data for transmission from a first location to a second location through a medium, the method comprising:modulating the data with a basis signal set to generate a plurality of modulated signals, one modulated signal for each sequence in the basis si

이 특허에 인용된 특허 (59)

  1. Hunsinger Billy J. (Mahomet IL) Hoskins Michael J. (Urbana IL), Acoustic charge transport device and method.
  2. Robbins Clyde (Maple Glen PA), Apparatus and method for providing digital audio in the FM broadcast band.
  3. Dolby Ray M. (50 Walnut St. San Francisco CA 94118), Apparatus and method for the identification of specially encoded FM stereophonic broadcasts.
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  5. Endo Mamoru (Tokyo JPX) Hamatsu Masahiro (Tokyo JPX), Communication device.
  6. Leppanen Pentti (Oulu FIX), Communication method and system.
  7. Daniel Richard A. (Kingston WA), Conveying digital data in noisy, unstable, multipath environments.
  8. Bito Yoshitaka (Kokubunji JPX) Sekihara Kensuke (Musashimurayama JPX) Suzuki Ryuichi (Kokubunji JPX), Data processing method in nuclear magnetic resonance measurement.
  9. Chen Michael (Boston MA) Eyuboglu M. Vedat (Boston MA), Device and method for combining precoding with symbol-rate spectral shaping.
  10. Sugiyama Takatoshi (Kanagawa JPX) Kubota Shuji (Kanagawa JPX) Morikura Masahiro (Kanagawa JPX) Enomoto Kiyoshi (Kanagawa JPX) Kato Shuzo (Kanagawa JPX), Digital communication system using superposed transmission of high speed and low speed digital signals.
  11. Cai Khiem V. (Brea CA) Dell-Imagine Robert A. (Orange CA), Digital equalization method and apparatus.
  12. Norimatsu Hidehiko (Tokyo JPX), Digital radio communication apparatus.
  13. Vannucci Giovanni (Middletown NJ), Direct sequence spread spectrum (DSSS) communications system with frequency modulation utilized to achieve spectral spre.
  14. Beech Brian H. (Hampshire GBX), Dynamic noise reduction for video.
  15. Nankoh Mitsuo (Osaka JPX) Inoue Akio (Nara JPX) Yokomizo Hitoshi (Hyougo JPX) Tomida Yosikazu (Osaka JPX) Kawabata Tohru (Osaka JPX), FM multiplex broadcasting and receiving system.
  16. Ogura Koji (Tokyo JPX) Serizawa Mutsumu (Tokyo JPX), Frequency offset removal method and apparatus.
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  18. Kaufman Barry M. (Pine Brook NJ), High speed FM and AM demodulator.
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  20. Hunsinger Billie J. ; Vigil A J. ; Solie Leland P., In-band on-channel digital broadcasting.
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  22. Dapper Mark J. (Cincinnati OH) Geile Michael J. (Loveland OH) Carlin Barry W. (Greenhills OH), Method and apparatus for AM compatible digital broadcasting.
  23. Murphy John L. (San Francisco CA) Rich Mark J. (Menlo Park CA), Method and apparatus for digital audio broadcasting and reception.
  24. Murphy John L. (San Francisco CA) Rich Mark J. (Menlo Park CA), Method and apparatus for digital audio broadcasting and reception.
  25. Fattouche Michel (156 Hawkwood Blvd. N.W. Calgary ; Alberta CAX T3G 2T2) Zagloul Hatim (402 - 1st Avenue ; N.E. Calgary ; Alberta CAX T2E 0B4), Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum.
  26. Hulyalkar Samir N. (Ossining NY) Bryan David A. (Danbury CT) Basile Carlo (Ossining NY), Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation.
  27. Halpern Peter H. (Longwood FL) Mallory Peter E. (Edgewater FL), Method and apparatus for transmitting data over limited bandwidth channels.
  28. Archer Teri L. (Sunnyvale CA), Method for signal transmission using spectrally efficient orthogonal modulation.
  29. Gassmann Gerhard-Gnter (Esslingen-Berkheim DEX), Method of and system for transmitting two different messages on a carrier wave over a single transmission channel of pre.
  30. Hirosaki Botaro (Tokyo JPX) Aoyagi Hidehito (Tokyo JPX), Method of synchronizing parallel channels of orthogonally multiplexed parallel data transmission system and improved aut.
  31. Cole Paul D. (Fairfield CT), Methods and apparatus employing distribution preserving Tomlinson precoding in transmission of digital data signals.
  32. Hutson William H. (47 Grange Ave. ; P.O. Box 0221 Little Compton RI 02837), Multi-dimensional data processing and display.
  33. Malkamaki Esa (Espoo FIX) Jokinen Harri (Hiisi FIX), Multiple access radio system.
  34. Rice Bart F. (Santa Cruz CA), Multiple-signal spread-spectrum transceiver.
  35. Kirimoto Tetsuo (Kanagawa JPX) Ohhashi Yoshimasa (Kanagawa JPX), Orthogonal sequence generator and radar system incorporating the generator.
  36. Falconer David D. (Nepean CAX), Path gain estimation in a receiver.
  37. Ariyavisitakul Sirikiat (Eatontown NJ) Arnold Hamilton W. (Middletown NJ), Phase equalizer for TDMA portable radio systems.
  38. Fletcher ; Jr. Robert H. (Westlake Village CA), Programmable matched filter for binary phase-coded signals.
  39. Jasper Steven C. (Hoffman Estates IL) Butler James A. (Elgin IL), Quadrature amplitude modulation synchronization method.
  40. Ooi Tetsuo (Tokyo JPX) Watanabe Hiroshi (Sendai JPX) Gotoh Akio (Tokyo JPX) Tsutsumi Shuitsu (Tokyo JPX) Oba Ryohei (Tokyo JPX) Ito Koichi (Tokyo JPX) Huse Syouzi (Tokyo JPX), Radio interference detection device for use in a multi-channel access angle-modulation radio system.
  41. Duckeck Hans (Hildesheim DEX), Radio link remote control signaling system, and method.
  42. Constant James N. (1603 Danbury Dr. Claremont CA 91711), Recursive filter.
  43. Mayo Scott T. (5504 Knollwood Dr. Raleigh NC 27609), Remotely controllable message broadcast system including central programming station, remote message transmitters and re.
  44. Takahashi Kenichi (Kawasaki JPX) Takeishi Minako (Kawasaki JPX) Onishi Hiroshi (Tokyo JPX), Signal processing circuit for spread spectrum communications.
  45. Reitberger Peter (Mnchen DEX), Simulcast transmission system with improved synchronizing system.
  46. Pomatto ; Sr. Robert P. (4189 S. 300 West #76 Ogden UT 84405), Simultaneous AM and FM transmitter and receiver.
  47. Bremer Gordon (Clearwater FL) Ko Kenneth D. (Clearwater FL) Smithwick Luke J. (New Port Richey FL), Simultaneous analog and digital communications with a selection of different signal point constellations based on signal.
  48. Leitch Clifford D. (Coral Springs FL), Spectrally efficient digital FM modulated transmitter.
  49. Nakamura Masaru (Yokohama JPX), Spread spectrum communications system.
  50. Partyka Andrzej (Bedminster NY) Crowley Lee F. (Farmingville NY), Spread spectrum communications system.
  51. Partyka Andrzej (Bedminster NY) Crowley Lee F. (Farmingville NY), Spread spectrum communications system.
  52. 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.
  53. 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.
  54. Leonard Jay F. (Kinnelon NJ) Paradise Ronald Y. (Hillsdale NJ), System for determining the acquisition of, and frequency compensating, a phase modulated pseudonoise sequence signal.
  55. Koo David (Briarcliff Manor NY), System for echo cancellation comprising an improved ghost cancellation reference signal.
  56. Warner, Paul, System for transmitting data simultaneously with audio.
  57. Rice Bart F. (Santa Cruz CA), Technique for generating sets of binary spreading-code sequences for a high data-rate spread-spectrum network.
  58. Schnerk Thomas G. (Rancho Palos Verdes CA), Transmission and reception of television broadcast in high-fidelity stereo audio.
  59. Schumacher ; Jr. Robert G. (Cincinnati OH) Janning ; Jr. Eugene A. (Cincinnati OH), Transmitting spread spectrum data with commercial radio.

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  1. Kokuryo, Yoshiro; Tsukamoto, Nobuo; Hamazumi, Hiroyuki, Automatic equalization circuit and receiver circuit using the same.
  2. Chen Brian ; Sundberg Carl-Erik Wilhelm, Band insertion and precancellation technique for simultaneous communications of analog frequency-modulated and digitally modulated signals.
  3. Lambert, Russell H.; Hadinger, Peter J.; Zsolnay, Denes L.; Evans, Bruce W.; Hsu, Shi-Ping; Roccanova, Gerard, Code modulation using narrow spectral notching.
  4. Resnikoff Howard L. ; Tigerman Mark, Constant envelope modulation communication system.
  5. Resnikoff, Howard L.; Tigerman, Mark, Constant envelope modulation communication system.
  6. Boesch Ronald D., Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals.
  7. Boesch, Ronald D.; Arpaia, Domenico, Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and DC offset compensation.
  8. Al-Araji, Saleh; Quesenberry, Paul; Patterson, Dale, Frequency agile adaptive automatic gain control circuit.
  9. Vojcic, Branimir R; Bajic, Ivan V; Haghighat, Javad, Joint source-channel decoding with source sequence augmentation.
  10. Belotserkovsky, Maxim B.; Litwin, Jr., Louis Robert, Mechanism for OFDM equalizer tap initialization using an adaptive algorithm.
  11. Vanness,Philip H., Method and apparatus for receiving a digital audio broadcasting signal.
  12. Koo, David D., Method for correlation directed echo cancellation and channel equalization for the digital transmission link in vestigial side band amplitude modulation.
  13. Lozach, Bruno; Bollo, José; Le Guyader, Alain, Method for generating mutually orthogonal signals having a controlled spectrum.
  14. Peiffer, John C.; Hicks, Michael A.; Wright, David H.; Mears, Paul M.; Srinivasan, Venugopal; Lu, Daozheng; Kempter, Paul C., Methods and apparatus for identifying a digital audio signal.
  15. Boesch Ronald D. ; Arpaia Domenico, Modulation systems and methods that compensate for DC offset introduced by the digital-to-analog converter and/or the low pass filter thereof.
  16. Jacob, David; Prassas, Michel, Optical amplifier apparatus.
  17. Bannasch, Rudolf; Kebkal, Konstantin, Process and system for information transfer.
  18. Laurent,Pierre Andr챕, Radio broadcasting system and method providing continuity of service.
  19. Fifield, Robert, Receiver having an adaptive filter and method of optimizing the filter.
  20. Whight, Kenneth R.; Mee, Martin L., Spread spectrum receiver.
  21. Vojcic, Branimir R; Dogan, Hakan, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  22. Vojcic, Branimir R; Dogan, Hakan, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  23. Vojcic, Branimir R; Dogan, Hakan, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  24. Vojcic, Branimir R; Shayegh, Farnaz, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  25. Vojcic, Branimir R; Shayegh, Farnaz, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  26. Vojcic, Branimir R; Shayegh, Farnaz, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  27. Vojcic, Branimir R; Shayegh, Farnaz; Dogan, Hakan; Lee, Wookwon, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  28. Vojcic, Branimir R; Shayegh, Farnaz; Dogan, Hakan; Lee, Wookwon, Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems.
  29. Vojcic, Branimir R; Papaharalabos, Stylianos, Systems and methods for encoding and decoding of check-irregular non-systematic IRA codes.
  30. Vojcic, Branimir R; Papaharalabos, Stylianos, Systems and methods for encoding and decoding of check-irregular non-systematic IRA codes.
  31. Bettine, Dale; Strzelec, Stanley, Transmitter for electronic article surveillance system.
  32. Cabrera,George, Transmitting RF signals employing improved high-level combinations of analog FM and digital signals.
  33. Thomas, Andrew; Besser, Steven; Toomey, Jason, Ultrasonic detection measurement system using a tunable digital filter with 4X interpolator.
  34. Thomas, Andrew; Besser, Steven; Toomey, Jason, Ultrasonic detection measurement system using a tunable digital filter with 4x interpolator.
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