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Method and apparatus for interference suppression in spread spectrum signals 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-015/00
  • H04K-001/00
  • H04L-027/30
출원번호 US-0547354 (1995-10-24)
발명자 / 주소
  • Souissi Slim (Fort Worth TX) Gehman John B. (Trophy Club TX)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

Interference removal in spread spectrum signals, comprises the steps at a spread spectrum transmitter (10) of spreading information across a predetermined spectrum by phase modulating a repeating noise sequence (18), providing a spread spectrum signal and transmitting the spread spectrum signal. The

대표청구항

A method of interference removal from data in a spread spectrum signal that has been encoded and transmitted by modulating a repeating noise sequence with the data, comprising the steps of: at a receiver: receiving the spread spectrum signal along with interference; multiplying the spread spectrum s

이 특허를 인용한 특허 (42)

  1. MacFarlane, Duncan L.; Dowling, Eric M., Active optical lattice filters.
  2. Dowling, Eric M.; Jani, Umesh G.; Wang, Zifei; Golden, Richard M., Adaptive multiple access interference suppression.
  3. Raphaeli, Dan; Matmor, Avner, Apparatus for and method of adaptive synchronization in a spread spectrum communications receiver.
  4. Fomukong, Mundi; Chesney, Denzil Willoughby, Authorized location reporting mobile communication system.
  5. Ignjatovic, Zeljko, Blue-noise-modulated sigma-delta analog-to-digital converter.
  6. Raphaeli, Dan; Matmor, Avner, Code shift keying transmitter for use in a spread spectrum communications system.
  7. Gazdzinski, Robert F., Computerized apparatus with ingestible probe.
  8. Gazdzinski, Robert F., Computerized information collection and processing apparatus.
  9. Gazdzinski, Robert F., Computerized information collection and processing apparatus.
  10. Gazdzinski, Robert F., Computerized information collection and processing apparatus and methods.
  11. Dabiri, Dariush; Bai, Dongwoon, Confirmation of presence of narrowband interference by harmonic analysis.
  12. Brian R. Wiese ; John A. C. Bingham, Digital radio frequency interference canceller.
  13. Christopher J. Swanke ; Steven L. White, Direct sequence spread spectrum communications receiver and method for efficient narrow-band signal excision.
  14. Gazdzinski, Robert F., Endoscopic smart probe.
  15. Gazdzinski, Robert F., Endoscopic smart probe and method.
  16. Gazdzinski, Robert F., Endoscopic smart probe and method.
  17. Gazdzinski, Robert F., Endoscopic smart probe and method.
  18. Henttu,Pertti, Extracting signal components in radio system receiver.
  19. MacFarlane,Duncan L., Filter for selectively processing optical and other signals.
  20. MacFarlane,Duncan L., Filter for selectively processing optical and other signals.
  21. Gazdzinski, Robert F., Ingestible probe with agent delivery.
  22. Tulino, Antonia Maria, Interference cancellation method and receiver.
  23. Tulino,Antonia Maria, Interference cancellation method and receiver.
  24. Bially, Theodore; McKenzie, Paul F., Interference suppression in a spread spectrum communications system using non-linear frequency domain excision.
  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. Bruckert Eugene J. ; Kotzin Michael D., Method and apparatus for canceling signals in a spread-spectrum communication system.
  28. McCrady,Dennis D., Methods and apparatus for transmitting non-contiguous spread spectrum signals for communications and navigation.
  29. Narasimha, Madihally J.; Kim, Je Woo; Kasturi, Nitin; Subrahmanya, Parvathanathan, Methods and systems for interference cancellation in multi-mode coexistence modems.
  30. Gazdzinski, Robert F., Methods of processing data obtained from medical device.
  31. Gazdzinski, Robert F., Methods of processing data obtained from medical device.
  32. Rouquette, Robert E., Narrow-band interference rejecting spread spectrum radio system and method.
  33. Jokinen, Sami, Receiver and receiving method simplifying the interference cancellation of multi-user detection in a direct sequence code division multiple access (DS-CDMA) telecommunication system.
  34. Rishi, Mohindra, Reduction of transmitter induced cross modulation in a receiver.
  35. Dowling, Eric M.; Jani, Umesh; Golden, Richard M.; Wang, Zifei, Smart antenna multiuser detector.
  36. Low, Nathan E., Smart signal jammer.
  37. Raphaeli Dan,ILX, Spread spectrum communication system utilizing differential code shift keying.
  38. Nara Yoshikazu, Spread spectrum modulator.
  39. Dybdal, Robert B., Systems and methods for reducing directional interference based on adaptive excision and beam repositioning.
  40. Dybdal, Robert B.; Clark, Christopher J.; Hinshilwood, Don J.; Xu, Lan, Systems and methods for reducing narrow bandwidth and directional interference contained in broad bandwidth signals.
  41. Ross John Anderson Fergus ; Ali Irfan ; Hershey John Erik ; Hladik Stephen Michael ; Saulnier Gary Jude ; Weir Michael Paul, Transmitted reference spread spectrum communications system.
  42. Fomukong, Mundi; Chesney, Denzil Willoughby, Updating a mobile device's location.
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