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CDMA communication system and its transmission power control method

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/185
  • H04B-007/216
출원번호 US-0818510 (2001-03-28)
우선권정보 JP-0326493 (1996-12-06)
발명자 / 주소
  • Katsuhiko Tsunehara JP
  • Takashi Yano JP
  • Nobukazu Doi JP
  • Takaki Uta JP
  • Keiji Hasegawa JP
출원인 / 주소
  • Hitachi, Ltd. JP
대리인 / 주소
    Mattingly, Stanger & Malur, P.C.
인용정보 피인용 횟수 : 53  인용 특허 : 15

초록

An uplink channel transmission power control method is provided for a CDMA mobile communication system performing one way communication. A base station measures the received level of data transmitted from each mobile terminal at each channel, and generates a transmission power control signal of each

대표청구항

1. A transmission power control method for a CDMA communication system for performing communication by CDMA between a base station and a plurality of mobile terminals, comprising the steps of:transmitting over uplink traffic channels from said plurality of mobile terminals to said base station; meas

이 특허에 인용된 특허 (15)

  1. Gilhousen Klein S., Base station with slave antenna for determining the position of a mobile subscriber in a CDMA cellular telephone system.
  2. Honkasalo Zhi-Chun ; Honkasalo Harri ; Jokinen Harri,FIX ; Posti Harri,FIX ; Lin David, Control of handover and transmission power control of mobile station in a mobile telecommunications system.
  3. Honkasalo Zhichun,FIX ; Hamalainen Jari,FIX ; Jokinen Harri,FIX ; Fehlmann Richard,FIX, Control of transmission power in wireless packet data transfer.
  4. I Chih-Lin ; Sabnani Krishan Kumar, Controlling power and access of wireless device to base stations which use code division multiple access.
  5. Jalali Ahmad ; Krzymien Witold,CAX ; Mermelstein Paul,CAX, Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems.
  6. Raith Alex Krister ; Bilstrom Lars,SEX ; Henry Raymond C. ; Diachina John ; Andersson Karl-Erik,SEX ; Prokup Steven ; Sicher Alan Eric, Method for increasing throughput capacity in a communication system.
  7. Komatsu Masahiro,JPX, Mobile communication system and base station for use therein.
  8. Hulbert Anthony Peter,GB2, Mobile radio power control device using the comparison of retransmitted data.
  9. Walton ; Jr. Jay R. (Westford MA) Ketchum John W. (Watertown MA), Power control in a CDMA network.
  10. Quick ; Jr. Roy F. (San Diego CA), Random access communications channel for data services.
  11. Tiedemann ; Jr. Edward G. (San Diego CA), Remote transmitter power control in a contention based multiple access system.
  12. Gilhousen Klein S. ; Wheatley ; III Charles E. ; Levin Jeffrey A., Reverse link, closed loop power control in a code division multiple access system.
  13. Schilling Donald L. ; Garodnick Joseph ; Lomp Gary ; Moore ; III Timothy F., Spread spectrum adaptive power control communications system and method.
  14. Yano Takashi (Tokorozawa JPX) Doi Nobukazu (Hachioji JPX), Spread spectrum communication system and transmission power control method therefor.
  15. Soliman Samir S., System and method for determining received pilot power and path loss in a CDMA communication system.

이 특허를 인용한 특허 (53)

  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. Yun, Yu-Suk; Maeng, Seung-Joo; Yoon, Soon-Young, Apparatus and method for measuring noise power in a CDMA mobile communication system.
  9. Choi, Joon-bo; Kang, Woo-shik, Apparatus and method for optimizing transmission power of network.
  10. Choi,Joon bo; Kang,Woo shik, Apparatus and method for optimizing transmission power of network.
  11. Choi,Joon bo; Kang,Woo shik, Apparatus and method for optimizing transmission power of network.
  12. Choi,Joon bo; Kang,Woo shik, Apparatus and method for optimizing transmission power of network.
  13. Choi,Joon bo; Kang,Woo shik, Apparatus and method for optimizing transmission power of network.
  14. Choi,Joon bo; Kang,Woo shik, Apparatus and method for optimizing transmission power of network.
  15. Choi,Joon bo; Kang,Woo shik, Apparatus and method for optimizing transmission power of network.
  16. Odenwalder, Joseph P.; Sarkar, Sandip, Code division multiplexing commands on a code division multiplexed channel.
  17. Tiedemann, Jr., Edward G.; Damnjanovic, Aleksandar; Jain, Avinash; Malladi, Durga P.; Oses, David Puig; Gaal, Peter; Lundby, Stein; Sarkar, Sandip; Chen, Tao; Wei, Yongbin; Willenegger, Serge, Combining grant, acknowledgement, and rate control commands.
  18. Tiedemann, Jr., Edward G.; Damnjanovic, Aleksandar; Jain, Avinash; Malladi, Durga P.; Oses, David Puig; Gaal, Peter; Lundby, Stein; Sarkar, Sandip; Chen, Tao; Wei, Yongbin; Willenegger, Serge, Combining grant, acknowledgement, and rate control commands.
  19. Sarkar, Sandip, Congestion control in a wireless data network.
  20. van der Pol, Harry, Frequency selective RF output power calibration using digital and analog power measurements for use in a cellular telecommunications system.
  21. Sutivong, Arak; Naguib, Ayman Fawzy; Agrawal, Avneesh, Interference and noise estimation in an OFDM system.
  22. Nelson, Jr.,G. Rodney; Hoffmann,John E.; Rouphael,Antoine J.; Proctor, Jr.,James A., Maintenance link using active/standby request channels.
  23. Nanda, Sanjiv; Damnjanovic, Aleksandar, Method and apparatus for controlling data rate of a reverse link in a communication system.
  24. Kwon,Hwan Joon; Choi,Ho Kyu; Kim,Dong Hee; Kim,Youn Sun, Method and apparatus for controlling transmission power of control information in a mobile communication system.
  25. Lundby, Stein A., Method and apparatus for power control in a wireless communication system.
  26. Lundby, Stein Arne, Method and apparatus for power control in a wireless communication system.
  27. Malladi, Durga P., Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system.
  28. Malladi, Durga P., Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system.
  29. Proctor, Jr., James A., Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences.
  30. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support sychronization.
  31. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
  32. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
  33. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support synchronization.
  34. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  35. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  36. Wei,Yongbin; Chen,Tao, Outer-loop power control for wireless communication systems.
  37. Moon, Hi Chan; Ahn, Jae Min; Kim, Jae Yoel; Kang, Hee Won, RSMA control device and method for mobile communication system.
  38. Chen, Tao; Tiedemann, Jr., Edward G.; Jain, Avinash, Scheduled and autonomous transmission and acknowledgement.
  39. Chen, Tao; Tiedemann, Jr., Edward G.; Jain, Avinash, Scheduled and autonomous transmission and acknowledgement.
  40. Proctor, Jr., James A., Signaling for wireless communications.
  41. Proctor, Jr., James A., Signaling for wireless communications.
  42. Proctor, Jr., James A., System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system.
  43. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  44. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  45. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  46. Ho, Sai Yiu Duncan; Damnjanovic, Aleksandar; Gholmieh, Aziz; Tiedemann, Jr., Edward G.; Bao, Gang; Nanda, Sanjiv, System and method for scheduling transmissions in a wireless communication system.
  47. Odenwalder, Joseph P., Systems and methods for using code space in spread-spectrum communications.
  48. Odenwalder, Joseph P., Systems and methods for using code space in spread-spectrum communications.
  49. Malladi, Durga Prasad; Willenegger, Serge; Zhang, Xiaoxia, Systems and methods for using selectable frame durations in a wireless communication system.
  50. Proctor, Jr., James A., Transmittal of heartbeat signal at a lower level than heartbeat request.
  51. Proctor, James A., Use of correlation combination to achieve channel detection.
  52. Proctor, Jr., James A., Use of correlation combination to achieve channel detection.
  53. Proctor, Jr., James A., Use of correlation combination to achieve channel detection.
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