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Method and apparatus for processing a modulated signal using an equalizer and a rake receiver

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/10
출원번호 US-0624319 (2000-07-24)
발명자 / 주소
  • Smee,John E.
  • Jalali,Ahmad
출원인 / 주소
  • QUALCOMM, Incorporated
인용정보 피인용 횟수 : 25  인용 특허 : 13

초록

In a method for achieving higher S/N, one or more signals are received and processed to provide one or more streams of samples. In a first processing scheme, the sample stream(s) are equalized and combined within an equalizer to generate symbol estimates, which may be subsequently processed (e.g., d

대표청구항

What is claimed is: 1. A method for processing one or more signals in a spread spectrum communication system, the method comprising: receiving and processing the one or more signals to provide one or more streams of samples; first processing the one or more streams of samples to provide a first str

이 특허에 인용된 특허 (13)

  1. Batalama Stella N. ; Pados Dimitris A., Circuitry and method for demodulating code division multiple access (CDMA) signals.
  2. Schramm Peter,DEX, Coding for higher-level modulation.
  3. Visotsky Yevgeny ; Frank Colin D. ; Madhow Upamanyu ; Singh Rahul, Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system.
  4. Serizawa Mutsumu (Tokyo JPX) Namekata Minoru (Tokyo JPX) Ogura Koji (Kanagawa JPX) Sakakibara Katsumi (Kanagawa JPX), Demodulation apparatus incorporating adaptive equalizer for digital communication.
  5. Blakeney ; II Robert D. (San Diego CA) Weaver ; Jr. Lindsay A. (Boulder CO) Ziv Noam A. (San Diego CA) Williamson Paul T. (San Diego CA) Padovani Roberto (San Diego CA), Demodulation element assignment in a system capable of receiving multiple signals.
  6. Kot Alan D.,CAX, Low-complexity bidirectional equalizer.
  7. Smee, John E.; Jalali, Ahmad; Ling, Fuyun; Wallace, Mark, Method and apparatus for adaptive linear equalization for walsh covered modulation.
  8. Saints Keith W., Method and apparatus for measuring link quality in a spread spectrum communication system.
  9. Easton Kenneth D., Mobile demodulator architecture for a spread spectrum multiple access communication system.
  10. 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.
  11. Soliman Samir S., System and method for determining received pilot power and path loss in a CDMA communication system.
  12. 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.
  13. Liang Jen-Wei ; Paulraj Arogyaswami, Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks.

이 특허를 인용한 특허 (25)

  1. Cairns, Douglas A.; Bottomley, Gregory E.; Wang, Yi-Pin Eric, Adaptive timing recovery via generalized RAKE reception.
  2. Fernandez-Corbaton, Ivan Jesus; Jalali, Ahmad; Ozaki, Ernest T.; Simon, Harris Smith; Gregory, Sherman A., Antenna array pattern distortion mitigation.
  3. Cairns, Douglas A.; Niewczas, Jaroslaw; Murata, Yoshitaka; Jonsson, Elias, Channel geometry detector.
  4. Cohen, Yossef; Galperin, Noam, Combining least squares and least mean squares algorithms to determine equalizer tap values.
  5. Black, Peter J.; Howard, Michael A., Communication receiver with hybrid equalizer.
  6. Black, Peter J.; Howard, Michael A., Communication receiver with hybrid equalizer.
  7. Papasakellariou,Aris; Schmidl,Timothy; Dabak,Anand, Data signal demodulation in a communication system.
  8. Becker, Burkhard; Denk, Robert, Hardware apparatus for conditioning pilot symbols for channel estimation using adaptive low-pass filtering.
  9. Su,Szu Lin; Hung,Shao Ping; Lin,Jeff, IQ imbalance compensation.
  10. Diloisy,Romain, Low complexity equalizer for radio receiver.
  11. Denk,Robert, Method and apparatus for channel estimation in radio systems by MMSE-based recursive filtering.
  12. Taha, Ali; Hsu, Chih-Ping, Method and apparatus for operating a diversity receiver with an equalizer and a rake receiver.
  13. Landau, Uri; Kent, Mark; Catreux-Erceg, Severine; Erceg, Vinko, Method and system for cluster processing using conjugate gradient-based MMSE equalizer and multiple transmit and/or receive antennas for HSDPA, STTD, closed-loop and normal mode.
  14. Baum,Kevin; Vook,Frederick W; Thomas,Timothy A, Method and system for transmission and frequency domain equalization for wideband CDMA system.
  15. Fulghum, Tracy L., Multi-pass parameter estimation for G-Rake receiver.
  16. Mottier,David, Multi-user detection in an MC-CDMA telecommunication system.
  17. Woodard, Jason P.; Papageorgiou, Andrew; Giancola, Diego, Multimode receiver architecture.
  18. Suzuki,Mitsuhiro, Radio transmitting apparatus, radio receiving apparatus, radio transmitting method, and radio receiving method.
  19. Mirbagheri, Arash; Ma, Jun; Fan, Mingxi, Receiver adjustment between pilot bursts.
  20. Kuzminskiy,Alexandr; Papadias,Constantinos B, Receiver of digital data bursts comprising an antenna array, and a method of receiving.
  21. Hoshino,Masayuki; Arima,Takenobu, Reception device and reception method.
  22. Yu, Tommy; Jaffe, Steven; Krafft, Stephen Edward, Sample rate reduction in data communication receivers.
  23. Virk, Sarinder; Lira, Chris; Provo, Nathan, System and method for rendering presentation pages based on locality.
  24. Miyazaki,Noriaki; Suzuki,Toshinori, Transmitter and receiver.
  25. Kolze,Thomas J., VOFDM receiver correlation matrix processing using factorization.
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