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Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-003/10
  • H04J-003/06
  • H04L-007/00
출원번호 US-0844383 (1997-04-18)
우선권정보 EP-0400221 (1997-01-31)
발명자 / 주소
  • Paul Marie Pierre Spruyt BE
  • Frank Octaaf Van der Putten BE
  • Peter Paul Frans Reusens BE
출원인 / 주소
  • Alcatel FR
대리인 / 주소
    Ware, Fressola, Van Der Sluys & Adolphson LLP
인용정보 피인용 횟수 : 67  인용 특허 : 23

초록

For synchronisation purposes, a transmitter (TX) multiplexes a pilot carrier with carriers whereon data elements (DATA) are modulated, and transmits the pilot carrier together with the modulated carriers to a receiver (RX). The immunity of the pilot carrier from interference, such as radio amateur s

대표청구항

1. A method for transmitting data elements (DATA) from a transmitter (TX) to a receiver (RX), whereina. said data elements (DATA) modulate on at least one carrier; b. a pilot carrier used for synchronisation between said transmitter (TX) and said receiver (RX) is multiplexed with said at least one c

이 특허에 인용된 특허 (23)

  1. Hill Paul M. (28 Walnut St. Millis MA 02054) Olshansky Robert (8 Old Farm Rd. Wayland MA 01778), Carrier and clock recovery for lightwave systems.
  2. Marchetto Robert F. (Burnaby CAX) Stewart Todd A. (Vancouver CAX) Ho Paul K.-M. (Surrey CAX), Compensation for multi-path interference using pilot symbols.
  3. Park Hee B. (Kyungki-do KRX), Demodulating system for high-definition television receiver.
  4. Montreuil Leo (Atlanta GA), Digital quadrature amplitude and vestigial sideband modulation decoding method and apparatus.
  5. Bi Qi (Morris Plains NJ), Dual mode code division multiple access communication system and method.
  6. Aslanis James T. (Mountain View CA) Chow Jacky S. (Mountain View CA), Frame synchronization in multicarrier transmission systems.
  7. Sanderford ; Jr. H. Britton (New Orleans LA), Frequency agile radio.
  8. Hunsinger Billie J. ; Vigil A. J. ; Solie Leland P., In-band on-channel digital broadcasting.
  9. Fuhrmann Amir Michael ; Rakib Selim Shlomo ; Azenkot Yehuda, Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant.
  10. Lu Xiaolin, MDSL host interface requirement specification.
  11. Saito Masafumi (Tokyo JPX) Kuroda Toru (Tokyo JPX) Moriyama Shigeki (Tokyo JPX) Saito Tomohiro (Tokyo JPX) Takada Masayuki (Tokyo JPX) Yamada Osamu (Tokyo JPX), Method and apparatus for digital signal transmission using orthogonal frequency division multiplexing.
  12. Ojanpera Tero (Oulu FIX) Keskitalo Ilkka (Oulu FIX), Method and apparatus for synchronizing subscriber equipment with base stations in a CDMA radio network.
  13. Verbueken Herman Leo Rosalia,BEX, Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system.
  14. Jasper Steven C. (Hoffman Estates IL) Birchler Mark A. (Roselle IL), Multi-channel TDM communication system slot phase correction.
  15. Marchok Daniel J. ; Younce Richard C. ; Melsa Peter J. W., Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture.
  16. Marchok Daniel J. ; Younce Richard C. ; Melsa Peter J. W., Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture.
  17. Weaver ; Jr. Lindsay A. (San Diego CA), Pilot carrier dot product circuit.
  18. Kumar Derek D., Reference signal communication method and system.
  19. Lieberman Daniel, Satellite multiple access system with distortion cancellation and compression compensation.
  20. 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.
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  22. Gilhousen Klein S., System and method for orthogonal spread spectrum sequence generation in variable data rate systems.
  23. Hunt Ronald R. (San Jose CA) Chow Peter S. (Mountain View CA), Updating of bit allocations in a multicarrier modulation transmission system.

이 특허를 인용한 특허 (67)

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  2. Walton, Jay Rodney; Wallace, Mark S., Adaptive pilot insertion for a MIMO-OFDM system.
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  6. Marchok, Daniel J.; Kapoor, Samir; Chandran, Ravi, Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications system.
  7. Marchok, Daniel J.; Younce, Richard C.; Kapoor, Samir; Melsa, Peter J.W., Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications system.
  8. Yonge, III, Lawrence W.; Katar, Srinivas; Kostoff, II, Stanley J.; Earnshaw, William E.; Blanchard, Bart W.; Afkhamie, Hassan Kaywan; Mashburn, Harper Brent, Channel adaptation synchronized to periodically varying channel.
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  21. Yonge, III, Lawrence W.; Katar, Srinivas; Krishnam, Manjunath, Delayed acknowledgements for low-overhead communication in a network.
  22. Yonge, III, Lawrence W.; Katar, Srinivas, Detecting delimiters for low-overhead communication in a network.
  23. Yonge, III, Lawrence Winston; Katar, Srinivas, Detecting delimiters for low-overhead communication in a network.
  24. Miyoshi,Seiji; Awata,Yutaka; Murata,Hiroyasu; Koizumi,Nobukazu; Sasaki,Takashi, Digital subscriber line communicating system.
  25. Anne, Ramakrishna; Watts, Robert F., Dual mode phone line networking modem utilizing conventional telephone wiring.
  26. Anne, Ramakrishna; Watts, Robert F., Dual mode phone line networking modem utilizing conventional telephone wiring.
  27. Harikumar, Gopal; Marchok, Daniel J.; Rudofski, Kenneth J., Filter for impulse response shortening with additional spectral constraints for multicarrier transmission.
  28. Yonge, III,Lawrence W., Frame forwarding in an adaptive network.
  29. Reina, Guy, Low latency signaling scheme for mode transition in DMT modems.
  30. Katar, Srinivas; Yonge, III, Lawrence W.; Riedel, Neal K.; Wang, Min; Peponides, George M.; Chan, Wai Chung; Gavette, Sherman Leon; Ayyagari, Deepak, Managing contention-free time allocations in a network.
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  34. Yonge, III, Lawrence W., Managing spectra of modulated signals in a communication network.
  35. Yonge, III, Lawrence W., Managing spectra of modulated signals in a communication network.
  36. Kostoff, II,Stanley J.; Patella,James Philip, Mechanism for using a quasi-addressed response to bind to a message requesting the response.
  37. Yonge, III,Lawrence W.; Markwalter,Brian E.; Kostoff, II,Stanley J.; Patella,James Philip; Earnshaw,William E., Media access control protocol with priority and contention-free intervals.
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  49. Kostoff, II,Stanley J.; Earnshaw,William E., Powerline network flood control restriction.
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  54. Harikumar, Gopal; Marchok, Daniel J., Spectrally constrained impulse shortening filter for a discrete multi-tone receiver.
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  59. Chini,Ahmad; Omidi,Javad; Alavi,Hossein, System and method for modulation of non-data bearing carriers in a multi-carrier modulation system.
  60. Long, Guozho; Zhou, Jun; Liu, Jianhua, System for realizing emergency rate adjustment.
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  62. Katar, Srinivas; Yonge, III, Lawrence W., Temporary priority promotion for network communications in which access to a shared medium depends on a priority level.
  63. Harikumar, Gopal; Marchok, Daniel J.; Rudofski, Kenneth J., Time domain equalization for discrete multi-tone systems.
  64. Harikumar,Gopal; Marchok,Daniel J.; Rudofski,Kenneth J., Time domain equalization for discrete multi-tone systems.
  65. Harikumar, Gopal; Marchok, Daniel J.; Rudofski, Kenneth J., Time-domain equalization for discrete multi-tone systems.
  66. Yonge, III,Lawrence W.; Katar,Srinivas, Using error checking bits to communicated an address or other bits.
  67. Afkhami, Hassan Kaywan; Rajkotia, Purva Rameshchandra; Yonge, III, Lawrence Winston, Variable line cycle adaptation for powerline communications.
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