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Saturation prevention system for radio telephone with open and closed loop power control systems

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/00
  • H04B-007/00
출원번호 US-0434650 (1995-05-04)
발명자 / 주소
  • Yamazaki Ryo (Arlington Heights IL) Waldroup Anthony B. (Suwanee GA) Wang He Feng (Saitama JPX)
출원인 / 주소
  • Oki Telecom, Inc. (Suwanee GA 02)
인용정보 피인용 횟수 : 42  인용 특허 : 30

초록

An output power control system prevents saturation by limiting total output power and maintaining closed loop responsiveness for a radio telephone having closed loop and open loop gain control systems. The output power control system determines when total output power exceeds an output power trigger

대표청구항

An output power system for a radio telephone operable with a base station, said output power system comprising: an adjustable transmitter amplifier; an adjustable gain controller coupled to said adjustable transmitter amplifier including an open loop portion and a closed loop portion; an output powe

이 특허에 인용된 특허 (30)

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  8. Phillips Sharon E. T. (Lake In The Hills IL) Eastmond Bruce C. (Downers Grove IL), Dual-mode AFC circuit for an SSB radio transceiver.
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  11. Wheatley ; III Charles E. (Del Mar CA), Linear gain control amplifier.
  12. Ricker Dennis W. (Linden Hall PA), Log-exponential AGC circuit.
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  14. Su Chun-Meng (Lafayette CA) Behtash Saman (Berkeley CA), Method and apparatus for controlling transmission power of a remote unit communicating with a base unit over a common fr.
  15. Jacobs Paul H. (Fairport NY) Collette Douglas P. (Stafford NY), Method and apparatus for receiving a compressed composite signal.
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  18. Mitzlaff James E. (Carpentersville IL), Multi-level power amplifying circuitry for portable radio transceivers.
  19. Zeger Andrew E. (Wyndmoor PA) Abrams Burton S. (Wyndmoor PA), Multiple signal receiver for direct sequence, code division multiple access, spread spectrum signals.
  20. Wray Anthony J. (Hants GBX) Bastani Babak (London IL GBX) Gailus Paul H. (Prospect Heights IL), Power amplifier and radio transmitter.
  21. Vilmur Richard J. (Palatine IL) Metroka Michael P. (Algonquin IL), Power control of a direct sequence CDMA radio.
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  23. Iwahashi Koji (Tokyo JPX), Radio receiver with field intensity detector.
  24. McGirr Andrew E. (Calgary CAX) Cassidy Barry J. (Calgary CAX), Radio telephone using received signal strength in controlling transmission power.
  25. Scharla-Nielsen Hans (Palm Bay FL), Real-time adaptive power control in satellite communications systems.
  26. Ide John D. (Margate FL) Settlemire David J. (Pompano Beach FL) Novo Mario C. (Miami FL), Selectivity means in amplitude modulated radio receivers.
  27. Burke Dennis E. (Elk Grove Village IL) Lund John A. (McHenry IL), Stable low cost 4.5 MHz remodulator.
  28. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Viterbi Andrew J. (La Jol, System and method for generating signal waveforms in a CDMA cellular telephone system.
  29. Walczak Thomas J. (Palatine IL) Stone Richard M. (Schaumburg IL) Cristiano Gary M. (Itasca IL), Temperature compensated automatic output control circuitry for RF signal power amplifiers with wide dynamic range.
  30. Havel Christophe (6 ; mail R. Menand 92130 Issy-Les-Moulineaux FRX) Mazziotto Grald (7 ; rue Cadix 75015 Paris FRX), Transmission power control device in a radio communication transmitting/receiving station.

이 특허를 인용한 특허 (42)

  1. Liu,Li; Souchuns,Christopher C.; Li,Ping; Henderson,Gregory N., Accurate power detection for a multi-stage amplifier.
  2. Ruuska, Tauno, Adaptive power management for a node of a cellular telecommunications network.
  3. Haartsen, Jacobus Cornelis; Mattisson, Sven, Automatic power control in uncoordinated frequency-hopping radio systems.
  4. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
  5. Lomp,Gary; Ozluturk,Fatih; Kowalski,John, Automatic power control system for a code division multiple access (CDMA) communications system.
  6. Sharp Steven J. ; Taylor Stewart S. ; Hammond Samuel W. ; Ruebusch Ronald R., Battery life extending technique for mobile wireless applications.
  7. Sharp, Steven J.; Taylor, Stewart S.; Hammond, Samuel W.; Ruebusch, Ronald R., Battery life extending technique for mobile wireless applications using bias level control.
  8. Sharp,Steven J.; Taylor,Stewart S.; Hammone,Samuel W.; Ruebusch,Ronald R., Battery life extending technique for mobile wireless applications using bias level control.
  9. Petsko David P. ; Dollard Michael S., Cellular communication devices with automated power level adjust.
  10. Masahiko Inamori JP; Kaname Motoyoshi JP; Katsushi Tara JP, Cellular mobile telephone terminal.
  11. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
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  15. Ozluturk, Fatih; Lomp, Gary R.; Kowalski, John, Method and apparatus for adaptive power control for spread-spectrum communications.
  16. Ozluturk, Fatih; Lomp, Gary R., Method and apparatus for performing an access procedure.
  17. Zhang,Andrew; Apel,Thomas R.; Stephens,Christopher R., Method and architecture for dual-mode linear and saturated power amplifier operation.
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  19. Ozluturk, Fatih; Lomp, Gary, Method and subscriber unit for performing power control.
  20. Gupta, Rakesh; Hossain, Asif, Method and system for supplemental channel request messages in a wireless network.
  21. Ozluturk,Fatih; Lomp,Gary R., Method employed by a base station for controlling initial power ramp-up using short codes.
  22. Shinde,Hiroki, Method for controlling generation of transmission power control information, method of controlling characteristics of receiver circuit based on overflow information, and CDMA communication apparatus.
  23. Saario Eija,FIX ; Salonaho Oscar,FIX, Method for controlling transmitting power and radio system.
  24. Agin,Pascal; Boch,S챕bastien, Method for improving performances of a mobile radiocommunication system using a power control algorithm.
  25. Cordier Christophe,FRX ; Fratti Marco,FRX, Method of controlling terminal transmission power in a CMDA type cellular network, and a base station and a base station controller implementing the method.
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  28. Nakanishi Eiichi,JPX ; Onodera Tetsuo,JPX, Output power control device.
  29. Chang Yu-Wen ; Chao Pi-Hui, Power control of remote communication devices.
  30. Joseph Peter Bartelme ; Robert Joseph McCarty, Jr., Power control system and method for use with wireless communications system.
  31. Qin, Yanmin; Li, Xiaopin; Fu, Xu, Protection method for forward power saturation in CDMA communication system and its power control apparatus.
  32. Vilhonen, Sami, Receiver.
  33. Waldroup Anthony B. ; Yamazaki Ryo ; Wang He Feng,JPX, Saturation prevention system for radio telephone with open and closed loop power control systems.
  34. Uebayashi Shinji,JPX ; Tanno Motohiro,JPX, Signal transmission method, mobile station device, and base station device for CDMA mobile communication system.
  35. Ozluturk, Fatih M.; Lomp, Gary R., Subscriber unit for performing an access procedure.
  36. Rozenblit, Dmitriy; Sowlati, Tirdad; Agahi, Darioush, System and method for saturation detection, correction and recovery in a polar transmitter.
  37. Appel Mark J. ; Johnson Mitchell K., Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation.
  38. Lomp, Gary; Ozluturk, Fatih; Silverberg, Avi, Transferring voice and non-voice data.
  39. Kazuyuki Miya JP; Masaki Hayashi JP; Takashi Kitade JP, Transmission power control apparatus and radio communication apparatus.
  40. Choi Jun-Hyuk,KRX, Transmission power control system and method for a mobile station.
  41. Liu,Li; Souchuns,Christopher C.; Li,Ping; Henderson,Gregory N., Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier.
  42. Donovan, David A.; Gregg, Justin, Wireless electronic device with open-loop and closed-loop output power control.
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