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Signal to noise estimation of forward link traffic channel for fast power control 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01Q-011/12
출원번호 US-0128061 (1998-08-03)
발명자 / 주소
  • Jalali Ahmad
출원인 / 주소
  • Nortel Networks Limited, CAX
대리인 / 주소
    Crane
인용정보 피인용 횟수 : 67  인용 특허 : 9

초록

The .sup.E b/N.sub.o estimation process generates two streams of power control bits that are transmitted to the base station. One of the power control bit streams is generated under the assumption that the frame rate has not changed. The other power control bit stream is generated under the assumpti

대표청구항

[ I claim:] [1.]1. A method for estimating quality metrics in a wireless communication system comprising a base station and a radiotelephone, each quality metric comprising a received interference and a received signal energy, the base station and radiotelephone communicating using frames transmitte

이 특허에 인용된 특허 (9)

  1. Wheatley ; III Charles E. (Del Mar CA) Padovani Roberto (San Diego CA) Zehavi Ephraim (Haifa ILX), Fast forward link power control in a code division multiple access system.
  2. Grubb Jerrold Lee ; Attwood Stanley William ; Arens John William, Method and apparatus for bi-directional power control in a digital communication system.
  3. Love Robert T. ; Stewart Kenneth A. ; Bayer William R., Method and apparatus for power control in a spread spectrum communication system using threshold step-down size adjustme.
  4. Hall Scott M. (Fort Worth TX), Method for compensating for capacity overload in a spread spectrum communication system.
  5. Willenegger Serge ; Tiedemann ; Jr. Edward G. ; Jou Yu-Cheun ; Odenwalder Joseph P., Pilot based, reversed channel power control.
  6. Chheda Ashvin ; Feeney Michael S. ; Jalali Ahmad, Process for switching between IS-95 forward power control and fast forward power control.
  7. Tiedemann ; Jr. Edward G. (San Diego CA), Remote transmitter power control in a contention based multiple access system.
  8. Gilhousen Klein S. (Bozeman MT) Wheatley ; III Charles E. (Del Mar CA) Levin Jeffrey A. (San Diego CA), Reverse link, closed loop power control in a code division multiple access system.
  9. Wheatley ; III Charles E. (Del Mar CA), Transmitter power control system.

이 특허를 인용한 특허 (67)

  1. Farley, Kevin L.; Proctor, James A., Alternate channel for carrying selected message types.
  2. Farley, Kevin L.; Proctor, Jr., James A., Alternate channel for carrying selected message types.
  3. Proctor, Jr., James A., Antenna control system and method.
  4. Proctor, Jr., James A., Antenna control system and method.
  5. Proctor, Jr., James A., Antenna control system and method.
  6. Proctor, Jr., James A., Antenna control system and method.
  7. Proctor, Jr., James A., Antenna control system and method.
  8. Hwang, Jong-Yoon; Moon, Hi-Chan; Kim, Jong-Han; Park, Jin-Soo, Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system.
  9. Hwang,Jong Yoon; Moon,Hi Chan; Kim,Jong Han; Park,Jin Soo, Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system.
  10. Li, Quinn; Meyers, Martin Howard; Minkoff, John; Wu, Xiao Cheng, Channel structure for forward link power control.
  11. Yang,Hong Kui, Estimation of forward link signal-to-noise ratio.
  12. Proctor, Jr., James A., Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system.
  13. Proctor, Jr., James A., Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system.
  14. Proctor, Jr.,James A., Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system.
  15. Lundby, Stein A.; Razoumov, Leonid, Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel.
  16. Lundby,Stein A.; Razoumov,Leonid, Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel.
  17. Zaff, David; Dinc, Abdulkadir, Forward power control determination in spread spectrum communications systems.
  18. Ferguson, Charles T.; Gorsuch, Thomas, Maintenance of channel usage in a wireless communication system.
  19. Ferguson, Charles T.; Gorsuch, Thomas, Maintenance of channel usage in a wireless communication system.
  20. Ferguson, Charles T.; Gorsuch, Thomas, Maintenance of channel usage in a wireless communication system.
  21. Ferguson, Charles T.; Gorsuch, Thomas, Maintenance of channel usage in a wireless communication system.
  22. Michael J. Bach, Method and apparatus for backhauling data in a communication system.
  23. Tiedemann, Jr., Edward G.; Lundby, Stein A., Method and apparatus for maximizing the use of available capacity in a communication system.
  24. Tiedemann, Jr., Edward G.; Lundby, Stein A., Method and apparatus for maximizing the use of available capacity in a communication system.
  25. Thomas M. Johnson, Method and apparatus for modeling transmitter bandwidth for telecommunications analysis.
  26. Lundby, Stein A., Method and apparatus for power control in a wireless communication system.
  27. Lundby, Stein Arne, Method and apparatus for power control in a wireless communication system.
  28. Chen, Tao; Jou, Yu Cheun, Method and apparatus for power control of multiple channels in a wireless communication system.
  29. Chen, Tao; Jou, Yu-Cheun, Method and apparatus for power control of multiple channels in a wireless communication system.
  30. Roy Thomas Derryberry ; Steven D. Gray ; Zhigang Rong, Method and apparatus for power control on a common channel in a telecommunication system.
  31. Sanyal, Sumit; LeBlanc, Wilfrid, Method and system for a subband acoustic echo canceller with integrated voice activity detection.
  32. Shetty, Manoj; Vargantwar, Sachin R.; Oroskar, Siddarth S.; Doshi, Kamal; Goyal, Anoop K., Method and system for forward link and/or reverse link power control.
  33. Shetty, Manoj; Vargantwar, Sachin R.; Oroskar, Siddharth S.; Doshi, Kamal; Goyal, Anoop K., Method and system for forward link and/or reverse link power control.
  34. Grilli, Francesco; Vayanos, Alkinoos Hector; Casaccia, Lorenzo, Methods for forward error correction coding above a radio link control layer and related apparatus.
  35. Grilli, Francesco; Vayanos, Alkinoos Hector; Casaccia, Lorenzo, Methods for seamless delivery of broadcast and multicast content across cell borders and/or between different transmission schemes and related apparatus.
  36. Proctor, Jr., James A., Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences.
  37. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support sychronization.
  38. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
  39. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
  40. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support synchronization.
  41. Duan, Jinsong; Kayama, Hidenori, Mobile station device, and upstream circuit power control method.
  42. Tong, Wen; Le Strat, Evelyn, Multi-bit power control and power control command sub-channel design.
  43. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  44. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  45. Proctor, Jr.,James A., Multi-detection of heartbeat to reduce error probability.
  46. Chen, Tao; Willenegger, Serge D.; Wei, Yongbin; Vayanos, Alkinoos H., Multi-media broadcast and multicast service (MBMS) in a wireless communication system.
  47. Willenegger, Serge; Chen, Tao; Vayanos, Alkinoos Hector; Wei, Yongbin, Multi-media broadcast and multicast service (MBMS) in a wireless communication system.
  48. Willenegger, Serge; Chen, Tao; Vayanos, Alkinoos Hector; Wei, Yongbin, Multi-media broadcast and multicast service (MBMS) in a wireless communication system.
  49. Vayanos, Alkinoos Hector; Grilli, Francesco, Outer coding methods for broadcast/multicast content and related apparatus.
  50. Vayanos, Alkinoos Hector; Grilli, Francesco, Outer coding methods for broadcast/multicast content and related apparatus.
  51. Vayanos, Alkinoos Hector; Grilli, Francesco, Outer coding methods for broadcast/multicast content and related apparatus.
  52. Ma, Lin; Rong, Zhigang, Power control technique utilizing forward pilot channel.
  53. Lundh, Peter; Almgren, Magnus, Power level convergence in a communications system.
  54. Manning,Robert M., Real-time signal-to-noise ratio (SNR) estimation for BPSK and QPSK modulation using the active communications channel.
  55. Proctor, Jr., James A., Signaling for wireless communications.
  56. Proctor, Jr., James A., Signaling for wireless communications.
  57. Proctor, Jr.,James A., System and method for controlling signal strength over a reverse link of a CDMA wireless communication system.
  58. Proctor, Jr., James A., System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system.
  59. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  60. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  61. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  62. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  63. Cao, Qiang; Lin, Jie; Monogioudis, Pantelis, Transmission power control for packet switched communications systems.
  64. Proctor, Jr., James A., Transmittal of heartbeat signal at a lower level than heartbeat request.
  65. Proctor, Jr.,James A., Transmittal of heartbeat signal at a lower level than heartbeat request.
  66. Proctor, Jr., James A., Use of correlation combination to achieve channel detection.
  67. Sih,Gilbert Christopher; Patel,Shimman; Ekvetchavit,Thunyachate, Velocity responsive power control.
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