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Adaptive channel estimation in a wireless communication system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/216
  • H04B-007/204
출원번호 US-0185785 (2002-06-27)
발명자 / 주소
  • Leung,Gilbert
출원인 / 주소
  • Qualcomm Inc
인용정보 피인용 횟수 : 24  인용 특허 : 12

초록

A method and circuit for adaptively estimating channel conditions of a pilot channel in a wireless communication system. The method includes estimating channel statistics of the pilot channel, and adaptively filtering the pilot channel in response to the estimated channel statistics. The estimation

대표청구항

I claim: 1. A method for adaptively estimating channel conditions of a pilot channel in a wireless communication system, the method comprising the steps of: partitioning pilot channel data from said pilot channel into one or more time slots; estimating channel statistics of said pilot channel, whe

이 특허에 인용된 특허 (12)

  1. Little Erik R. (Seattle WA) Swift Steven D. (Seattle WA) Gibson Greg S. (Bothell WA), Adaptive digital filter for improved measurement accuracy in an electronic instrument.
  2. LaRosa Christopher Peter ; Carney Michael John ; Becker Christopher John ; Ling Fuyun, CDMA power control channel estimation using dynamic coefficient scaling.
  3. Whitecar John E. (Plymouth MI), Coherent signal generation in digital radio receiver.
  4. Farsakh Christof,DEX, Method for estimating spatial parameters of transmission channels by estimating a spatial covariance matrix.
  5. Maseng Torleiv (Trondheim NOX) Trandem Odd (Trondheim NOX), Method of demodulation in digital communication systems with multipath propagation.
  6. Easton Kenneth D., Mobile demodulator architecture for a spread spectrum multiple access communication system.
  7. Jones William W. ; Kenney Thomas J., Pilot aided traffic channel estimation for CDMA cellular systems.
  8. Weaver ; Jr. Lindsay A. (San Diego CA), Pilot carrier dot product circuit.
  9. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Weaver ; Jr. Lindsay A. (San Diego CA), Spread spectrum multiple access communication system using satellite or terrestrial repeaters.
  10. 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.
  11. Jacobs Paul E. (San Diego CA) Gardner William R. (San Diego CA) Lee Chong U. (San Diego CA) Gilhousen Klein S. (San Diego CA) Lam S. Katherine (San Diego CA) Tsai Ming-Chang (San Diego CA), Variable rate vocoder.
  12. Sexton Thomas A. (Schaumburg IL) Ling Fuyun (Hoffman Estates IL), .

이 특허를 인용한 특허 (24)

  1. Murphy, James; Morain, Gary Eugene; Chesnutt, Stan, AP-local dynamic switching.
  2. Murphy, James; Morain, Gary Eugene; Chesnutt, Stan, AP-local dynamic switching.
  3. Gast, Matthew S., Affirming network relationships and resource access via related networks.
  4. Suh, Chang Ho; Cho, Young Kwon; Jeong, Su Ryong; Yoon, Seok Hyun, Apparatus and method for switching between an AMC mode and a diversity mode in a broadband wireless communication system.
  5. Bugwadia, Jamsheed; Freund, Yun; Zeldin, Paul E., Automated network device configuration and network deployment.
  6. Kang, Insung; Lee, Yunho, Iterative channel prediction.
  7. Gast, Matthew Stuart; Sale, Michael Paul, Network assignment based on priority.
  8. Zhao, Shiwei; Gast, Matthew S., Picking an optimal channel for an access point in a wireless network.
  9. Gast, Matthew Stuart, Quality of service provisioning for wireless networks.
  10. Murphy, James, Sharing data between wireless switches system and method.
  11. Aragon, David B., Smoothing filter for irregular update intervals.
  12. Gast, Matthew Stuart; Bennett, Richard Thomas, System and method for aggregation and queuing in a wireless network.
  13. Harkins, Dan, System and method for distributing keys in a wireless network.
  14. Harkins, Dan, System and method for distributing keys in a wireless network.
  15. Tiwari, Manish, System and method for network integrity.
  16. Terry, John David, System and method for radio frequency carrier aggregation.
  17. Matta, Sudheer Poorna Chandra, System and method for reliable multicast.
  18. Taylor, Ron, System and method for remote monitoring in a wireless network.
  19. Albert Hu, Tyng Jar, System and method for restricting network access using forwarding databases.
  20. Matta, Sudheer Poorna Chandra; Tiwari, Manish, System and network for wireless network monitoring.
  21. Matta, Sudheer Poorna Chandra; Tiwari, Manish, System and network for wireless network monitoring.
  22. Murphy, James; Morain, Gary Eugene; Chesnutt, Stan, Untethered access point mesh system and method.
  23. Gast, Matthew Stuart, Wireless station location detection.
  24. Gast, Matthew Stuart, Wireless station location detection.
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