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Method and apparatus for improving detection of data bits in a slow frequency hopping communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/00
출원번호 US-0794104 (1991-11-18)
우선권정보 IL-0100029 (1991-11-10)
발명자 / 주소
  • Meidan Reuven (Ramat Hasharon) Livneh Noam (D.N. Misgav) Silbershatz Giora (Halfa) Ritz Mordechai (Givat-Elah ILX)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

A method and apparatus is provided for improving detection of data bits in data samples (120) of a hop of a slow frequency hopping spread spectrum signal (112). In the detecting process, the carrier to interference (C/l) power ratio of the hop is estimated (124) by using the data samples (120) of th

대표청구항

An apparatus comprising a detector for detecting data bits in input data samples of a hop of a slow frequency hopping spread spectrum signal, the detector comprising: (a) estimator means for estimating the carrier to interference power ratio of the hop of the slow frequency hopping signal by using t

이 특허를 인용한 특허 (42)

  1. Iny,David R.; Stenoien,Mark D.; Lee,Henry E., 2-d range hopping spread spectrum encoder/decoder system for RF tags.
  2. Honkanen, Mauri; Lappetelainen, Antti; Palin, Arto, Adaptive transmission channel allocation method and system for ISM and unlicensed frequency bands.
  3. Lappeteläinen, Antti, Adaptive transmission channel allocation method and system for ISM and unlicensed frequency bands.
  4. Lappetel채inen,Antti, Adaptive transmission channel allocation method and system for ISM and unlicensed frequency bands.
  5. Fomukong, Mundi; Chesney, Denzil Willoughby, Authorized location reporting mobile communication system.
  6. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
  7. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
  8. Rao,Prasada; Patait,Abhijit, Combining direct interference estimation and decoder metrics for improved measurement for AMR mode adaptation in GSM systems.
  9. Karabinis, Peter D.; Singh, Rajendra; Olexa, George Ronald; Badipour, Bahman, Coordinated satellite-terrestrial frequency reuse.
  10. Karabinis, Peter D.; Singh, Rajendra; Olexa, George Ronald; Badipour, Bahman, Coordinated satellite-terrestrial frequency reuse.
  11. Karabinis, Peter D; Singh, Rajendra; Olexa, George Ronald; Badipour, Bahman, Coordinated satellite-terrestrial frequency reuse.
  12. Sato Toshifumi (Tokyo JPX), DS/CDMA diversity receiver with despreading filters using combiner wherein first and second despreading filters are dela.
  13. Lee, Kyung Kuk, Data transmission apparatus for CDMA communication system and method thereof.
  14. Chalmers Harvey, Digital downconverter/despreader for direct sequence spread spectrum CDMA communications system.
  15. Chalmers Harvey (Rockville MD), Digital downconverter/despreader for direct sequence spread spectrum communications system.
  16. Riggle C. Michael, Dual detector read channel with semi-soft detection.
  17. Stern Morton ; Csapo John S. ; Borth David Edward ; Lynk ; Jr. Charles N. ; Haug John Richard ; Schorman Eric R. ; Rasky Phillip David ; Rozanski ; Jr. Walter Joseph, Dual mode communication network.
  18. Ohlson John (Mt. View CA) Natali Francis D. (Pt. Townsend WA), Frequency hopped return link with net entry channel for a satellite personal communications system.
  19. Karabinis, Peter D.; Singh, Rajendra, Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis.
  20. Karabinis, Peter D.; Singh, Rajendra, Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis.
  21. Karabinis, Peter D.; Singh, Rajendra, Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis.
  22. Karabinis, Peter D.; Singh, Rajendra, Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis.
  23. Karabinis, Peter D.; Singh, Rajendra, Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis.
  24. Shih, Huei Yuan, Interference phase estimate system and method.
  25. Fomukong, Mundi; Chesney, Denzil Willoughby, Location reporting satellite paging system with optional blocking of location reporting.
  26. Fomukong, Mundi; Chesney, Denzil Willoughby, Location reporting satellite paging system with privacy feature.
  27. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenated space codes for wireless applications.
  28. Kamel,Raafat Edward; Kuo,Wen Yi; Meyers,Martin Howard; Weaver,Carl Francis, Method and apparatus for adaptive setting of initial traffic power.
  29. Schaffner Terry Michael ; Kotzin Michael D. ; Van den Heuvel Anthony P., Method and apparatus for creating a composite waveform.
  30. Royer Claude,CAX ; Bernardin Charles P. ; Lo Wing F., Methods and apparatus for predicting voice quality in AMPS cellular radio systems.
  31. Yi, Sang Mi, Methods of detection of received signal in communication system.
  32. Umeda Narumi,JPX ; Nakamura Takehiro,JPX ; Ohno Kouji,JPX ; Shinagawa Noriteru,JPX, Mobile communication system with reliable handover scheme.
  33. Mills,Diane G.; Edelson,Geoffrey S.; Egnor,Dianne E., Multiuser detection aided multiple access differential M-ary coding applications.
  34. Mills,Diane G.; Edelson,Geoff S.; Egnor,Dianne E., Multiuser detection aided multiple access differential frequency-hopped spread spectrum.
  35. Mark J. Lindsey, Orthogonal frequency hopping using skip zones.
  36. Nagayasu,Takayuki, Receiver for wireless communication.
  37. Khayrallah, Ali S.; Bottomley, Gregory E., Receivers and methods for reducing interference in radio communications.
  38. Mills, Diane G.; Myers, Cory S.; Edelson, Geoffrey S.; Herrick, David L., Soft-decision trellis-coded differential frequency-hopped spread spectrum (DFHSS).
  39. Karabinis, Peter D.; Singh, Rajendra, Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength.
  40. Alamouti, Siavash; Tarokh, Vahid, Transmitter diversity technique for wireless communications.
  41. Alamouti, Siavash; Tarokh, Vahid, Transmitter diversity technique for wireless communications.
  42. Fomukong, Mundi; Chesney, Denzil Willoughby, Updating a mobile device's location.
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