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Method and transceiver using an improved protocol for a frequency hop communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61F-002/06
  • H04L-027/30
출원번호 US-0053412 (1998-04-01)
발명자 / 주소
  • Marcoccia Roberto R.
  • Sosnowski George R.
출원인 / 주소
  • Wavespan Corporation
대리인 / 주소
    Menlo Patent Agency LLC
인용정보 피인용 횟수 : 45  인용 특허 : 7

초록 ▼

A frequency hopping transceiver having a protocol for selecting a clear channel for exchanging QAM payload data signals. An energy level in a current channel is sounded by to determine whether it is clear or busy. When the current channel is clear an outgoing frequency shift key (FSK) handshake sign

대표청구항 ▼

[ What is claimed is:] [1.] A communication method, comprising steps of:listening on a selected channel for an incoming handshake signal having a first type modulation;demodulating said first type modulation for recognizing said incoming handshake signal; anddemodulating an incoming payload data sig

이 특허에 인용된 특허 (7)

  1. Mincher Richard W. (San Jose CA) Lynn Kerry E. (Redwood City CA), Distributed time synchronization system and method.
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  2. Magana Javier V. ; Hebeler Steve, Free channel selector for selecting an optimal channel.
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  3. Chen Ching-Siang (Irvine CA) White Bert (Irvine CA), Mixed analog digital secondary channel FSK modem.
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  4. Andersson Claes H. (Stockholm SEX) Eriksson Hakan O. (Vallentuna SEX) Madfors Magnus E. (Sollentuna SEX) Persson Bengt Y. (Djursholm SEX), Mobile assisted channel allocation.
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  5. Tat Nguyen Quan,GB2, Radio telephones and methods of operation.
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  6. Schwartz Herv (Vanves FRX) Muller Marc (Clamart FRX), System for transmitting digital data over an electricity power line.
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  7. Trompower Michael L., Wireless communication method and device with auxiliary receiver for selecting different channels.
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이 특허를 인용한 특허 (45)

  1. Briggs,Peter G.; Jagels,Dean P., Adaptive communication modes.
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  2. Treister, Bijan; Gan, Hongbing; Skafidas, Efstratios, Approach for managing communications channels based on performance.
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  3. Treister,Bijan; Gan,Hongbing; Skafidas,Efstratios, Approach for managing communications channels based on performance and transferring functions between participants in a communications arrangement.
    상세보기
  4. Gan,Hongbing; Treister,Bijan; Skafidas,Efstratios, Approach for managing the use of communications channels based on performance.
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  5. Gan,Hongbing; Treister,Bijan; Skafidas,Efstratios, Approach for selecting communications channels based on performance.
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  6. Treister,Bijan; Gan,Hongbing; Skafidas,Efstratios, Approach for transferring functions between participants in a communications arrangement.
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  7. Ramamurthy, Harish; Goel, Sandesh; Bosso, Brian, Bandwidth selection method and apparatus.
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  8. Liu, Yong; Zhang, Hongyuan; Banerjea, Raja, Determining a communication channel from a plurality of possible channel bandwidths.
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  9. Liu, Yong; Zhang, Hongyuan; Banerjea, Raja, Determining a communication channel from a plurality of possible channel bandwidths.
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  10. Lawrence, Dean K; Hill, Wayne G; Ludwig, Stanislaus L; Code, David R, Digester wash extraction by individual screen flow control.
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  11. Lawrence, Dean K; Hill, Wayne; Ludwig, Stanislaus Leo; Code, David R, Digester wash extraction by individual screen flow control.
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  12. Haque, Tanbir; Kazakevich, Leonid, Digital transmitter.
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  13. Dias,Victor, Digital-to-analog converter using a frequency hopping clock generator.
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  14. Choi,Sunghyun; Mangold,Stefan; Soomro,Amjad, Dynamic frequency selection scheme for IEEE 802.11 WLANs.
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  15. Dabak, Anand G.; Schmidl, Timothy M., Dynamic slave frequency selection for improving uplink frequency hopping wireless communications.
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  16. Woo, Lik Chuen Alec; Hui, Jonathan W.; Hong, Wei, Efficient rendezvous for distributed messages in frequency-hopping communication networks.
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  17. Woo, Lik Chuen Alec; Hui, Jonathan W.; Hong, Wei, Efficient rendezvous for distributed messages in frequency-hopping communication networks.
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  18. Wei, Wei-Ting; Chen, Wei-Yung; Lin, Chao-Hsin; Chen, Chih-Ming, Equalizer adjustment method, adaptive equalizer and memory storage device.
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  19. Gropp, Steven M., Fuel dispensing and containment assembly.
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  20. Bach,Susan E.; Loheit,Kurt W.; Hiramoto,Remy O.; Koyama,Daniel H.; Kubasek,Suzanne E.; Schulz,Craig, High speed monolithic microwave integrated circuit (MMIC) quadrature phase shift keying (QPSK) and quadrature amplitude modulation (QAM) modulators.
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  21. Gerhardt, Edward Carl; Greenis, Paul G.; Highsmith, William R., Mechanism for avoiding triggering silent radio squelch circuits.
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  22. Yu, Mao, Method and apparatus for detecting packets.
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  23. Yu, Mao, Method and apparatus for detecting packets.
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  24. Liu, Yong; Ramamurthy, Harish; Banerjea, Raja, Method and apparatus for determining channel bandwidth.
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  25. Liu, Yong; Ramamurthy, Harish; Banerjea, Raja, Method and apparatus for determining channel bandwidth.
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  26. Liu, Yong; Ramamurthy, Harish; Banerjea, Raja, Method and apparatus for determining channel bandwidth.
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  27. Liu, Yong; Ramamurthy, Harish; Banerjea, Raja, Method and apparatus for determining channel bandwidth.
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  28. Herder, John C.; Stevens, James A., Method and architecture for TTNT symbol rate scaling modes.
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  29. Haartsen, Jacobus, Method and system for training a radio receiver.
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  30. Liu, Yong; Ramamurthy, Harish; Banerjea, Raja, Methods and apparatus for clear channel assessment.
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  31. Liu, Yong; Ramamurthy, Harish; Banerjea, Raja, Methods and apparatus for determining a composite channel.
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  32. Chavez, Carlos J.; Frank, Robert Joseph; Vagher, Michael R.; Welty, Carlen R., Multiplexed architecture for simultaneous transmission and reception.
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  33. Kizu, Toshiki; Shimojo, Yoshimitsu, Radio communication apparatus and radio communication method.
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  34. Shintani,Tatsuyuki, Radio communication terminal and transmission power control method.
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  35. King,Ronald O.; Tang,Qingfeng, Remote transmitter system and method.
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  36. Chavez,Carlos J.; Benson,Kent D.; Fahler,Robert K.; Frank,Robert J.; Zogg,Scott J. F., Signal acquisition with transmit blanking compensation.
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  37. Lin, Ying-Yao; Liu, Ren-Chieh, Signal strength detecting device and related method.
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  38. Goldstein, Yuri; Okunev, Yuri, Spread spectrum handshake for digital subscriber line telecommunications systems.
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  39. Clark, Stephen M.; Hoback, Kelli A.; Zogg, Scott J. F., Statistical priority-based multiple access system and method.
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  40. Krzymien, Lukasz; Calcev, George; Cai, Lin; Ahmed, Hanan J., System and method for determining a clear channel assessment threshold.
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  41. Franceschini, Michael R.; Yi, Yunjung; Muldoon, Kelly P., System and methods for securing data transmissions over wireless networks.
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  42. Frank, Robert J.; Welty, Carlen R.; Zogg, Scott J.; Chavez, Carlos J.; Kloster, Bruce S., Tactical targeting network technology small form factor user system.
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  43. Murphy, Mark; Mirov, Russell Norman; Jastrzebski, Michael, Time synchronization of multi-modality measurements.
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  44. Zogg, Scott J.; Clark, Stephen M.; Haendel, Richard S.; Meyer, Ronald R.; Aanderud, Brian L., Waveform for virtually simultaneous transmission and multiple receptions system and method.
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  45. Yi, Yunjung; Thomas, Vicraj T.; Muldoon, Kelly P.; Franceschini, Michael R., Wireless networks for highly dependable applications.
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