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[미국특허] Partial decorrelation for a coherent multicode code division multiple access receiver 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-015/00
출원번호 US-0846454 (1997-05-01)
발명자 / 주소
  • Huang Howard C.
  • I Chih-Lin
출원인 / 주소
  • Lucent Technologies, Inc
인용정보 피인용 횟수 : 61  인용 특허 : 6

초록 ▼

A Multicode (MC) Code Division Multiple Access (CDMA) receiver receives J encoded multicode channels (where J>1) over L multiple air signal paths (where L>1) and forms a decorrelator output vector in which for each of the J multicode channels, the interference caused by the other J-1 multicode chann

대표청구항 ▼

[We claim:] [1.]means for receiving the J data signals, and forming therefrom L.sub.j multipath delay estimates and L.sub.j channel estimates for the jth data signal,means for demodulating L.sub.j multipath components of the jth data signal and combining the results to form J decision statistics for

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

  1. Hulbert Anthony Peter,GB3 ; Chandler David Peter,GB3, Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit.
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  2. Adachi Fumiyuki,JPX ; Sawahashi Mamoru,JPX, CDMA communications method and system.
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  3. Miki Yoshinori,JPX ; Sawahashi Mamoru,JPX, CDMA multiuser receiver and method.
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  4. Bottomley Gregory E. (Cary NC), Method and apparatus for spread spectrum channel estimation.
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  5. Sheu Bing J. ; Bang Sa H. ; Berger Theodore W., One-dimensional signal processor with optimized solution capability.
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  6. Bottomley Gregory E. (Cary NC), System and method for joint demodulation of CDMA signals.
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이 특허를 인용한 특허 (61) 인용/피인용 타임라인 분석

  1. Tomasin, Stefano; Pfister, Henry David; Hou, Jilei; Smee, John Edward, Adaptation of transmit subchannel gains in a system with interference cancellation.
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  2. Sadri, Ali S., Adaptive power control based on a rake receiver configuration in wideband CDMA cellular systems (WCDMA) and methods of operation.
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  3. McCloud, Michael L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
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  4. McCloud, Michael L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
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  5. McCloud, Michael L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
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  6. Scharf, Louis L.; Nagarajan, Vijay, Advanced signal processors for interference cancellation in baseband receivers.
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  7. Scharf, Louis L.; Nagarajan, Vijay; Thomas, John K., Advanced signal processors for interference cancellation in baseband receivers.
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  8. Schwent, Dale G.; Chance, Gregory W.; Klomsdorf, Armin W., Apparatus and method of using CDMA architecture for 3GPP2 compliant transceivers.
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  9. Smee, John Edward; Pfister, Henry David; Hou, Jilei; Tomasin, Stefano, Channel estimation for interference cancellation.
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  10. Rainish, Doron; Ben-Eli, David; Burshtein, David; Shamai, Shlomo, Code synchronization unit and method.
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  11. Olson,Eric S.; Thomas,John K., Construction of an interference matrix for a coded signal processing engine.
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  12. Castelain,Damien, Equalization method and device of the GMMSE type.
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  13. Olson,Eric S.; Thomas,John K.; Kober,Wolfgang; Krumvieda,Robert K., Interference cancellation in a signal.
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  15. Scharf,Louis L.; Nagarajan,Vijay, Interference cancellation within wireless transceivers.
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  16. Thomas, John K.; Narayan, Anand P.; Olson, Eric S., Interference matrix construction.
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  17. McCloud, Michael L.; Nagarajan, Vijay, Interference suppression for CDMA systems.
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  18. Hou, Jilei; Soriaga, Joseph B.; Smee, John Edward; Chen, Jinghu, Iterative interference cancellation system and method.
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  19. Guess, Tommy; McCloud, Michael L.; Nagarajan, Vijay; Lamba, Gagandeep Singh, Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas.
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  20. Guess, Tommy; McCloud, Michael L.; Nagarajan, Vijay; Lamba, Gagandeep Singh, Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas.
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  21. Guess, Tommy; McCloud, Michael L.; Nagarajan, Vijay; Lamba, Gagandeep Singh, Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas.
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  22. Hou, Jilei; Pfister, Henry David; Smee, John Edward; Tomasin, Stefano, Joint interference cancellation of pilot, overhead and traffic channels.
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  23. Lo, Titus, Maximum ratio transmission.
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  25. Coralli, Alessandro Vanelli; Pfister, Henry David; Hou, Jilei; Smee, John Edward; Padovani, Roberto; Butler, Brian K.; Levin, Jeffrey A.; Wilborn, Thomas B.; Bender, Paul E., Method and apparatus for canceling pilot interference in a wireless communication system.
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  26. Coralli, Alessandro Vanelli; Pfister, Henry David; Hou, Jilei; Smee, John Edward; Padovani, Roberto; Butler, Brian K; Levin, Jeffrey A; Wilborn, Thomas B; Bender, Paul E, Method and apparatus for canceling pilot interference in a wireless communication system.
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  27. Narayan, Anand P.; Jain, Prashant, Method and apparatus for channel amplitude estimation and interference vector construction.
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  28. Thomas, John K.; Narayan, Anand P., Method and apparatus for implementing projections in singal processing applications.
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  29. Narayan, Anand P.; Olson, Eric S.; Jain, Prashant; Thomas, John K., Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system.
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  30. Olson,Eric S.; Narayan,Anand P.; Jain,Prashant; Thomas,John K., Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system.
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  31. Narayan, Anand P.; Olson, Eric S.; Jain, Prashant, Method and apparatus for selectively applying interference cancellation in spread spectrum systems.
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  32. Narayan, Anand P.; Olson, Eric S.; Jain, Prashant, Method and apparatus for selectively applying interference cancellation in spread spectrum systems.
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  34. Narayan, Anand; Olson, Eric S.; Jain, Prashant, Method and apparatus for selectively applying interference cancellation in spread spectrum systems.
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  35. Thomas, John K.; Narayan, Anand P., Method and apparatus to compute the geolocation of a communication device using orthogonal projections.
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  36. LaRosa,Christopher; Schitzinger,Tracie; Steckl,David, Method and receiving unit for demodulating a multi-path signal.
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  37. Soriaga, Joseph B.; Bhushan, Naga; Hou, Jilei; Chen, Jinghu; Smee, John Edward, Method and system for signal reconstruction from spatially and temporally correlated received samples.
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  38. Visalli, Giuseppe; Avellone, Giuseppe, Method of estimating fading coefficients of channels and of receiving symbols and related single or multi-antenna receiver and transmitter.
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  43. Narayan, Anand P.; Graham, Greg; Meyer, David R.; Jain, Prashant, Methods for managing alignment and latency in interference suppression.
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  45. Brunel,Loic, Multi-user detection in an MC-CDMA telecommunication system.
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  47. Schilling, Donald L., Multiple-input multiple-output (MIMO) spread-spectrum system and method.
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  48. Thomas, John K.; McCloud, Michael L; Nagarajan, Vijay, Optimal feedback weighting for soft-decision cancellers.
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  49. Thomas,John K.; Narayan,Anand P.; Olson,Eric B., Orthogonalization and directional filtering.
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  50. Olson, Eric S.; Narayan, Anand P.; Thomas, John K., Serial cancellation receiver design for a coded signal processing engine.
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  51. Olson,Eric S.; Narayan,Anand P.; Thomas,John K., Serial cancellation receiver design for a coded signal processing engine.
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  52. Olson,Eric S.; Narayan,Anand P.; Thomas,John K., Serial cancellation receiver design for a coded signal processing engine.
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  53. Narayan,Anand P.; Olson,Eric S.; Thomas,John K., Systems and methods for analog to digital conversion with a signal cancellation system of a receiver.
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  54. Roberts, Brian Lee; Grobaski, Kenneth C; Narayan, Anand P, Systems and methods for control of advanced receivers.
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  55. Roberts, Brian Lee; Grobaski, Kenneth C; Narayan, Anand P, Systems and methods for control of receivers.
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  56. Narayan, Anand P.; Olson, Eric S.; Thomas, John K., Systems and methods for parallel signal cancellation.
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  57. Narayan, Anand P.; Thomas, John K.; Olson, Eric S., Systems and methods for parallel signal cancellation.
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  58. Narayan,Anand P.; Olson,Eric S., Systems and methods for parallel signal cancellation.
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  59. Narayan,Anand P.; Thomas,John K.; Olson,Eric S., Systems and methods for parallel signal cancellation.
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  60. Narayan, Anand P.; Olson, Eric S., Systems and methods for serial cancellation.
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  61. Pfister, Henry David; Hou, Jilei; Smee, John Edward; Tomasin, Stefano, Traffic interference cancellation.
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