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Method of and apparatus for generating data sequences for use in communications 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/69
  • H04B-015/00
  • H04L-027/30
  • A61F-002/06
출원번호 US-0322373 (1999-05-28)
발명자 / 주소
  • John G. McDonough
출원인 / 주소
  • Dot Wireless, Inc.
  • VLSI Technology, Inc.
대리인 / 주소
    Pedro P. Hernandez
인용정보 피인용 횟수 : 23  인용 특허 : 20

초록

A method of generating one or more pseudorandom noise (PN) sequences for use in spread spectrum communications includes the steps of providing data at an input of memory which stores bits associated with a pseudorandom noise (PN) sequence: changing the data; and for each of a plurality of changes of

대표청구항

1. A data sequence generator suitable for use in spread spectrum communications, comprising:memory; data stored in said memory; the data including a pseudorandom noise (PN) sequence defined as having a length of L; a counter; the counter for use in repeatedly providing L discrete address values to s

이 특허에 인용된 특허 (20)

  1. Okada Tomoyuki (Palatine IL) Baranowski Robert (Crystal Lake IL), Adaptive radio receiver controller method and apparatus.
  2. Watanabe Tadashi (Tokyo JPX), Apparatus for generation of binary pseudo-random numbers.
  3. Wilson Nathaniel B. (San Diego CA) McAllister Gene H. (La Mesa CA), Clock signal generation.
  4. Shutterly Harold B. (Pittsburgh PA), Digital signal/noise ratio amplifier apparatus for a communication system.
  5. Faruque Saleh, Directional pseudonoise offset assignment in a CDMA cellular radiotelephone system.
  6. Gurney David P. (Palatine IL), Method and apparatus for generating Walsh codes.
  7. Frank Colin D. ; Ling Fuyun, Method of and apparatus for generating a pseudorandom noise sequence.
  8. Park Gyeong-Lyong (Daejeon KRX) Suh Chung-Wook (Daejeon KRX) Eo Ik-Soo (Daejeon KRX), Power of two length pseudorandom noise sequence generator.
  9. Rueth Timothy I. (Cardiff-by-the-Sea CA) Weaver ; Jr. Lindsay A. (San Diego CA) Gilhousen Klein S. (Bozeman MT), Power-of-two length pseudo-noise sequence generator with fast offset adjustment.
  10. Nakagawa Shinichi (Hyogo JPX) Ishihara Kazuya (Hyogo JPX) Kumaki Satoshi (Hyogo JPX) Hanami Atsuo (Hyogo JPX) Segawa Hiroshi (Hyogo JPX) Matsumura Tetsuya (Hyogo JPX), Program execution control device having addressability in accordance with M series pseudo-random number sequence.
  11. Sutton Todd (San Diego CA) Gregory Sherman (San Diego CA) Waltman Joan T. (San Diego CA) White Katherine W. (San Diego CA), Pulse density modulation circuit (parallel to serial) comparing in a nonsequential bit order.
  12. Ooi Tomoyuki (Tokyo JPX) Hotta Toshinori (Tokyo JPX) Isoe Yasuhito (Tokyo JPX), Scrambling/descrambling method using a memory for storing initial pseudo-random bit patterns respectively for submultifr.
  13. Yoshikawa Shuichi (Nara JPX) Murata Yasumoto (Ikoma-gun JPX) Nishiwaki Yuji (Nara JPX), Signal reproducing device for reproducting voice signals with storage of initial valves for pattern generation.
  14. Lafferty Stephen H. (Roswell GA) Lett David B. (Norcross GA), Signal scrambling transmission system.
  15. Shutterly Harold B. (Pittsburgh PA), Solid state digital audio scrambler system for teletransmission of audio intelligence through a television system.
  16. 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.
  17. Fullerton Larry W. (Huntsville AL) Cowie Ivan A. (Madison AL), Ultrawide-band communication system and method.
  18. Fullerton Larry W. ; Cowie Ivan A., Ultrawide-band communication system and method.
  19. Fullerton Larry W. ; Cowie Ivan A., Ultrawide-band communication system and method.
  20. Yoshikawa Shuichi (Nara JPX) Nakano Takahiko (Ikoma JPX) Murata Yasumoto (Ikoma JPX), Voice reproducing device.

이 특허를 인용한 특허 (23)

  1. Okumura, Yukihiko; Ando, Hidehiro; Usuda, Masafumi; Ishikawa, Yoshihiro; Onoe, Seizo, Channel estimation device and method, demodulation device and method, and fading frequency decision device and method.
  2. Graunke, Gary L.; Lee, David A.; Faber, Robert W., Digital video content transmission ciphering and deciphering method and apparatus.
  3. Graunke,Gary L.; Lee,David A.; Faber,Robert W., Digital video content transmission ciphering and deciphering method and apparatus.
  4. Graunke,Gary L.; Lee,David A.; Faber,Robert W., Dual use block/stream cipher.
  5. Okumura,Yukihiko; Ando,Hidehiro; Usuda,Masafumi; Ishikawa,Yoshihiro; Onoe,Seizo, Fading frequency decision device and method.
  6. Daniele,Norbert; Noguet,Dominique; Lionti,Rosolino; Lequepeys,Jean Ren챕, Generator of repetitive sets of spread spectrum sequences.
  7. Faber, Robert W.; Traw, Brendan S.; Graunke, Gary L.; Lee, David A., Method and apparatus for authenticating an hierarchy of video receiving devices.
  8. Faber, Robert W.; Lee, David A.; Traw, Brendan S.; Graunke, Gary L., Method and apparatus for generating pseudo random numbers in a video device having an embedded cipher unit.
  9. Faber,Robert W.; Lee,David A.; Traw,Brendan S.; Graunke,Gary L., Method and apparatus for generating pseudo random numbers in a video device having an embedded cipher unit.
  10. Faber, Robert W.; Lee, David A.; Traw, Brendan; Graunke, Gary L.; Mangold, Richard P., Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface.
  11. McDonough,John G., Methods and apparatus for use in generating data sequences for spread spectrum communications.
  12. Black, Peter J.; Padovani, Roberto; Weaver, Jr., Lindsay A., PN generators for spread spectrum communications systems.
  13. Dress, Jr., William B.; Smith, Stephen F., Pulse transmission receiver with higher-order time derivative pulse correlator.
  14. Dress, Jr., William B.; Smith, Stephen F., Pulse transmission receiver with higher-order time derivative pulse generator.
  15. Dress, Jr., William B.; Smith, Stephen F., Pulse transmission transceiver architecture for low power communications.
  16. Dress, Jr., William B.; Smith, Stephen F., Pulse transmission transmitter including a higher order time derivate filter.
  17. Eto, Yuzo, Spreading code generation apparatus and CDMA receiver.
  18. Kaewell, John, Synchronizing PCM and pseudorandom clocks.
  19. Kaewell,John, Synchronizing PCM and pseudorandom clocks.
  20. Jarosinski,Tad; Agre,Daniel H.; Carter,Stephen S.; Iraninejad,Mehraban; Odenwalder,Joseph P.; Quick,Roy Franklin; Wheatley,Charles E., System and method for encypting spread spectrum carrier.
  21. Bruening,Kent R.; Bagley,Zachary C.; Mower,Vaughn L., System and method for predictive synchronization for locating interleaving frames and demodulation training sequences.
  22. Rarick, Leonard D., System and method for small read only data.
  23. Rarick, Leonard D., System and method for small read only data.
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