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Multistage linear receiver for DS-CDMA systems

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04J-013/02
출원번호 US-0634160 (1996-04-18)
발명자 / 주소
  • Kanterakis Emmanuel
  • Moshavi Shimon
출원인 / 주소
  • American Wireless Technology, Inc.
대리인 / 주소
    Bailey
인용정보 피인용 횟수 : 40  인용 특허 : 0

초록

A multistage linear receiver for extracting data embedded in a received spread-spectrum signal having a plurality of channels using a direct sequence code division multiple access system. The multistage receiver comprises an initial plurality of spread-spectrum detectors, a plurality of detector wei

대표청구항

[ We claim:] [1.] A multistage receiver for extracting data embedded in a received direct sequence code division multiple access (DS-CDMA) spread-spectrum signal having a plurality of channels and a respective plurality of chip-sequence signals, with each channel having a chip-sequence signal differ

이 특허를 인용한 특허 (40)

  1. Mesecher, David K., Antenna array communication using spreading codes.
  2. Ho-Chi Hwang TW, Apparatus and method for a DSSS/CDMA receiver.
  3. Mesecher,David K., Base station for use in a CDMA communication system using an antenna array.
  4. Currivan,Bruce J.; Kolze,Thomas J.; Ungerboeck,Gottfried; Yousef,Nabil R., Cancellation of interference in a communication system with application to S-CDMA.
  5. Mesecher, David K, Code division multiple access transmission antenna weighting.
  6. Mesecher, David K., Code division multiple access transmission antenna weighting.
  7. Oates,John H., Computational methods for use in a short-code spread-spectrum communications system.
  8. Suzuki Hideto,JPX, DS-CDMA receiver with multi-stage serial interference cancelers using power level information appended to data blocks.
  9. Wang, Yi-Pin Eric; Bottomley, Gregory E., Frequency-domain multi-stage group detection for alleviating inter-symbol interference.
  10. Wang, Yi-Pin Eric; Hui, Dennis, Incrementally inclusive frequency domain symbol joint detection.
  11. Wilborn, Thomas B.; Banister, Brian Clarke, Interference cancellation for wireless communication.
  12. Mesecher, David K.; Reznik, Alexander; Grieco, Donald M.; Cheung, Gary, Interference cancellation in a spread spectrum communication system.
  13. Mesecher, David K.; Reznik, Alexander; Grieco, Donald M.; Cheung, Gary, Interference cancellation in a spread spectrum communication system.
  14. Mesecher, David K.; Reznik, Alexander; Grieco, Donald M.; Cheung, Gary, Interference cancellation in a spread spectrum communication system.
  15. Mesecher,David K.; Reznik,Alexander; Grieco,Donald; Cheung,Gary, Interference cancellation in a spread spectrum communication system.
  16. Tanaka Yoshinori,JPX ; Kobayakawa Shuji,JPX ; Seki Hiroyuki,JPX ; Toda Takeshi,JPX ; Tsutsui Masafumi,JPX, Interference canceller equipment and interference cancelling method for use in a multibeam-antenna communication system.
  17. Oates,John H., Load balancing computational methods in a short-code spread-spectrum communications system.
  18. Dahlman Erik,SEX ; Ovesjo Fredrik,SEX, Low-delay rate detection for variable rate communication systems.
  19. Fulghum, Tracy; Bottomley, Gregory Edward; Wang, Yi-Pin Eric; Khayrallah, Ali S., Method and apparatus for DS-CDMA interference suppression using code-specific combining.
  20. Hayashi,Masaki, Method and apparatus for interference cancellation performing level adjustment processing for standardizing a channel estimation value between operations of channel estimation processing and joint detection operation processing.
  21. Sequeira,Raul E, Method and apparatus for partial interference cancellation in a communication system.
  22. Aazhang, Behnaam; Cavallaro, Joseph R.; Xu, Gang, Method and apparatus for providing differencing multistage detection in the reverse link of a code division multiple access communication system.
  23. Shen, Jiang; Yang, Gang, Method and apparatus of joint detection of a CDMA receiver.
  24. Kowalewski,Frank, Method and device for detecting CDMA-coded signals.
  25. Schlegel, Christian; Giallorenzi, Thomas R.; Bagley, Zachary, Method and device for mitigation of multi-user interference in code division multiple access.
  26. Suzuki, Hideto, Multiuser interference canceler for DS-CDMA system.
  27. Epstein, Paul, Rectangular shaped container assembly with stylized base.
  28. Wang, Yi-Pin Eric, Symbol detection for alleviating inter-symbol interference.
  29. John Susantha Fernando ; Mohit Kishore Prasad, Transverse correlator structure for a rake receiver.
  30. Ido, Toru; Ishizuka, Soichiro, Weight level generating method and device utilizing plural weights at different time rates.
  31. Oates,John H.; Imperiali,Steven R.; Fuchs,Alden J.; Jacques,Kathleen J.; Greene,Jonathan E.; Jenkins,William J.; Lauginiger,Frank P.; Majchrzak,David E.; Cantrell,Paul E.; Cifric,Mirza; Dunn,Ian N.; Vinskus,Michael J., Wireless communication systems and methods for contiguously addressable memory enabled multiple processor based multiple user detection.
  32. Oates,John H., Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving implicit waveform subtraction.
  33. Oates,John H., Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving pre-maximal combination matched filter outputs.
  34. Oates,John H.; Imperiali,Steven R.; Fuchs,Alden J.; Jacques,Kathleen J.; Greene,Jonathan E.; Jenkins,William J.; Lauginiger,Frank P.; Majchrzak,David E.; Cantrell,Paul E.; Cifric,Mizra; Dunn,Ian N.; Vinskus,Michael J., Wireless communications systems and methods for cache enabled multiple processor based multiple user detection.
  35. Oates,John H.; Imperiali,Steven R.; Fuchs,Alden J.; Jacques,Kathleen J.; Greene,Jonathan E.; Jenkins,William J.; Lauginiger,Frank P.; Majchrzak,David E.; Cantrell,Paul E.; Cifric,Mirza; Dunn,Ian N.; , Wireless communications systems and methods for direct memory access and buffering of digital signals for multiple user detection.
  36. Oates,John H.; Imperiali,Steven R.; Fuchs,Alden J.; Jacques,Kathleen J.; Greene,Jonathan E.; Jenkins,William J.; Lauginiger,Frank P.; Majchrzak,David E.; Cantrell,Paul E.; Cifric,Mirza; Dunn,Ian N.; Vinskus,Michael J., Wireless communications systems and methods for multiple operating system multiple user detection.
  37. Oates,John H.; Imperiali,Steven R.; Fuchs,Alden J.; Jacques,Kathleen J.; Greene,Jonathan E.; Jenkins,William J.; Lauginiger,Frank P.; Majchrzak,David E.; Cantrell,Paul E.; Cifric,Mirza; Dunn,Ian N.; , Wireless communications systems and methods for multiple processor based multiple user detection.
  38. Oates,John H.; Imperiali,Steven R.; Fuchs,Alden J.; Jacques,Kathleen J.; Greene,Jonathan E.; Jenkins,William J.; Lauginiger,Frank P.; Majchrzak,David E.; Cantrell,Paul E.; Cifric,Mirza; Dunn,Ian N.; , Wireless communications systems and methods for nonvolatile storage of operating parameters for multiple processor based multiple user detection.
  39. Oates,John H., Wireless communications systems and methods for short-code multiple user detection.
  40. Oates,John H.; Greene,Jonathan E., Wireless communications systems and methods for virtual user based multiple user detection utilizing vector processor generated mapped cross-correlation matrices.
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