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Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-015/00
출원번호 US-0026322 (1998-02-19)
우선권정보 JP-0050288 (1997-05-03)
발명자 / 주소
  • Seki Hiroyuki,JPX
  • Tanaka Yoshinori,JPX
  • Kobayakawa Shuji,JPX
  • Toda Takeshi,JPX
  • Tsutsui Masafumi,JPX
출원인 / 주소
  • Fujitsu Limited, JPX
대리인 / 주소
    Helfgott & Karas, PC.
인용정보 피인용 횟수 : 69  인용 특허 : 4

초록 ▼

The invention provides a technique for measurement of a signal to interference power ratio wherein an SIR can be measured with a higher degree of accuracy without being influenced by a fast fading environment or an inter-station interference or noise environment. A signal to interference power ratio

대표청구항 ▼

[ What is claimed is:] [1.] A signal to interference power ratio measuring apparatus for an apparatus which processes a received signal received based on a CDMA communication system, comprising:a plurality of interference replica signal production sections for performing inverse diffusion processing

이 특허에 인용된 특허 (4)

  1. Lin ; Sing H. ; Yeh ; Yu S., Arrangement for monitoring signal-to-interference ratio in a radio transmission system.
    상세보기
  2. Nozue Yoshihiro (Nishinasuno JPX) Takizawa Toshiyuki (Otawara JPX), Interference canceller.
    상세보기
  3. Dimos George (Cambridge MA) Upadhyay Triveni N. (Concord MA), Standalone canceller of narrow band interference for spread spectrum receivers.
    상세보기
  4. Sawahashi Mamoru (Yokosuka JPX) Umeda Narumi (Yokohama JPX) Dohi Tomohiro (Yokohama JPX) Ohno Koji (Yokohama JPX), Transmission power control method and a communication system using the same.
    상세보기

이 특허를 인용한 특허 (69)

  1. Clelland, Eric J.; Wreschner, Kenneth S., Active interference suppressor utilizing recombinant transmultiplexing.
    상세보기
  2. Tomasin, Stefano; Pfister, Henry David; Hou, Jilei; Smee, John Edward, Adaptation of transmit subchannel gains in a system with interference cancellation.
    상세보기
  3. Wagner Andy ; McVey James D., Adaptive ingress filtering system.
    상세보기
  4. Chen,Ernest C.; Chen,Jeng Hong; Shum,Kenneth; Oh,Joungheon, Amplitude and phase matching for layered modulation reception.
    상세보기
  5. Hayashi, Masaki, Apparatus and method for selecting a transmit power value from multiple calculated power levels.
    상세보기
  6. Kondo, Takayuki, Apparatus for and method of controlling transmission power.
    상세보기
  7. Chen, Ernest C., Carrier to noise ratio estimations from a received signal.
    상세보기
  8. Brouwer, Frank, Cellular communications system/method with uplink interference ceiling.
    상세보기
  9. Smee, John Edward; Pfister, Henry David; Hou, Jilei; Tomasin, Stefano, Channel estimation for interference cancellation.
    상세보기
  10. Chen,Ernest C., Coherent averaging for measuring traveling wave tube amplifier nonlinearity.
    상세보기
  11. Salonaho,Oscar, Connection control in a communication system.
    상세보기
  12. Andresen, Björn; Brogan, Paul Brian; Goldenbaum, Nikolaus Moeller, Decomposition and mitigation of a disturbance being present at an electric connection between an electric power generating system and a power grid.
    상세보기
  13. Chen,Ernest C.; Furuya,Tiffany S.; Hilmes,Philip R.; Santoru,Joseph, Dual layer signal processing in a layered modulation digital signal system.
    상세보기
  14. Chen,Ernest C.; Furuya,Tiffany S.; Hilmes,Philip R.; Santoru,Joseph, Dual layer signal processing in a layered modulation digital signal system.
    상세보기
  15. Chen,Ernest C., Equalization for traveling wave tube amplifier nonlinearity measurements.
    상세보기
  16. Chen, Ernest C.; Lin, Tung Sheng; Wang, Weizheng; Lindsey, William C., Equalizers for layered modulated and other signals.
    상세보기
  17. Chen, Ernest C.; Lin, Tung-Sheng; Wang, Weizheng; Lindsey, William C., Equalizers for layered modulated and other signals.
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  18. Chen,Ernest C.; Lin,Tung Sheng; Wang,Weizheng; Lindsey,William C., Equalizers for layered modulated and other signals.
    상세보기
  19. Chen,Ernest C.; Maitra,Shamik, Estimating the operating point on a non-linear traveling wave tube amplifier.
    상세보기
  20. Shin,Sung Hyuk; Zeira,Ariela, Estimator for determining signal-to-interference ratio with reduced bias effect.
    상세보기
  21. Shin,Sung Hyuk; Zeira,Ariela, Estimator for determining signal-to-interference ratio with reduced bias effect.
    상세보기
  22. Chen,Ernest C., Fast acquisition of timing and carrier frequency from received signal.
    상세보기
  23. Anderson, Paul R.; Santoru, Joseph; Chen, Ernest C., Feeder link configurations to support layered modulation for digital signals.
    상세보기
  24. Anderson,Paul R.; Santoru,Joseph; Chen,Ernest C., Feeder link configurations to support layered modulation for digital signals.
    상세보기
  25. Chen, Ernest C.; Santoru, Joseph, Hierarchical 8PSK performance.
    상세보기
  26. Chen,Ernest C.; Santoru,Joseph, Improving hierarchical 8PSK performance.
    상세보기
  27. Hendin, Neil, Isolation techniques for multiple co-located radio modules.
    상세보기
  28. Hou, Jilei; Soriaga, Joseph B.; Smee, John Edward; Chen, Jinghu, Iterative interference cancellation system and method.
    상세보기
  29. Hou, Jilei; Pfister, Henry David; Smee, John Edward; Tomasin, Stefano, Joint interference cancellation of pilot, overhead and traffic channels.
    상세보기
  30. Chen,Ernest C., Layered modulation for digital signals.
    상세보기
  31. Chen,Ernest C., Layered modulation for digital signals.
    상세보기
  32. Chen, Ernest C., Layered modulation for terrestrial ATSC applications.
    상세보기
  33. Chen, Ernest C.; Wang, Weizheng W.; Zhou, Guangcai; Lin, Tung-Sheng; Santoru, Joseph, Lower complexity layered modulation signal processor.
    상세보기
  34. Chen,Ernest C.; Wang,Weizheng W.; Zhou,Guangcai; Lin,Tung Sheng; Santoru,Joseph, Lower complexity layered modulation signal processor.
    상세보기
  35. Chen,Ernest C., Maximizing power and spectral efficiencies for layered and conventional modulations.
    상세보기
  36. 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.
    상세보기
  37. 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.
    상세보기
  38. Pietraski, Philip J., Method and apparatus for computing SIR of time varying signals in a wireless communication system.
    상세보기
  39. Whang, Keum-Chan; Kwon, Hyuck-Chan, Method and apparatus for controlling signal power level in a communication system.
    상세보기
  40. Shin, Sung-Hyuk; Zeira, Ariela, Method and apparatus for determining signal-to-interference ratio with reduced bias effect.
    상세보기
  41. Lin,Wei; Hsia,Daniel Jeng, Method and apparatus for fast convergent power control in a spread spectrum communication system.
    상세보기
  42. Lin,Wei; Lee,Yuan Kang, Method and apparatus for low power-rise power control using sliding-window-weighted QoS measurements.
    상세보기
  43. Yellin, Daniel, Method and apparatus for reducing spread spectrum noise.
    상세보기
  44. Yellin,Daniel, Method and apparatus for reducing spread spectrum noise.
    상세보기
  45. Chen,Ernest C.; Anderson,Paul R.; Santoru,Joseph, Method and apparatus for tailoring carrier power requirements according to availability in layered modulation systems.
    상세보기
  46. Rimini, Roberto; Tapaninen, Jukka, Method and apparatus to estimate signal to interference plus noise ratio (SINR) in a multiple antenna receiver.
    상세보기
  47. 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.
    상세보기
  48. Naito, Kosuke, Multi-user parallel interface canceler apparatus.
    상세보기
  49. Chen,Ernest C., On-line phase noise measurement for layered modulation.
    상세보기
  50. Chen, Ernest C., Online output multiplexer filter measurement.
    상세보기
  51. Wang,Weizheng; Zhou,Guangcai; Lin,Tung Sheng; Chen,Ernest C.; Santoru,Joseph; Lindsey,William C., Optimization technique for layered modulation.
    상세보기
  52. Wang,Weizheng; Zhou,Guangcai; Lin,Tung Sheng; Chen,Ernest C.; Santoru,Joseph; Lindsey,William C., Optimization technique for layered modulation.
    상세보기
  53. Chen,Ernest C.; Furuya,Tiffany S.; Hilmes,Philip R.; Santoru,Joseph, Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers.
    상세보기
  54. Chen,Ernest C.; Furuya,Tiffany S.; Hilmes,Philip R.; Santoru,Joseph, Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers.
    상세보기
  55. Boss, Hermann; Schmidt, Kurt; Freidhof, Markus, Procedure and apparatus for the determination of the noise level of an electronic object to be measured.
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  56. Seki, Hiroyuki; Tanaka, Yoshinori, Propagation path-estimation method for an interference canceler and interference elimination apparatus.
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  57. Chen, Ernest C., Satellite TWTA on-line non-linearity measurement.
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  58. Hiroyuki Seki JP; Yoshinori Tanaka JP; Shuji Kobayakawa JP; Takeshi Toda JP; Masafumi Tsutsui JP, Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system.
    상세보기
  59. Chen, Ernest C.; Tran, Chinh, Signal, interference and noise power measurement.
    상세보기
  60. Park, Jin soo; Kang, Hwan min; Lee, Seong soo; Cho, Sung ho, Space-time multiuser detector in mobile communication system and method thereof.
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  61. Ono Shigeru,JPX, Spread spectrum communication system.
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  62. Fernandez Corbaton, Ivan Jesus; Smee, John Edward; Jayaraman, Srikant, System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system.
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  63. Sindhushayana, Nagabhushana T.; Esteves, Eduardo A. S., System and method for providing an accurate estimation of received signal interference for use in wireless communications systems.
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  64. Sindhushayana, Nagabhushana T.; Esteves, Eduardo A. S., System and method for providing an accurate estimation of received signal interference for use in wireless communications systems.
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  65. Smee,John Edward; Sindhushayana,Nagabhushana, System and method for received signal prediction in wireless communications system.
    상세보기
  66. Robinson, Mike; Beninghaus, James, Techniques to control transmit power for a shared antenna architecture.
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  67. Beninghaus, James; Ngo, William; Kasten, Welly; Hendin, Neil, Techniques to manage a mobile device based on network density.
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  68. Pfister, Henry David; Hou, Jilei; Smee, John Edward; Tomasin, Stefano, Traffic interference cancellation.
    상세보기
  69. Wang,Weizheng W.; Lin,Tung Sheng; Chen,Ernest C.; Lindsey,William C., Unblind equalizer architecture for digital communication systems.
    상세보기

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