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Phase shift encoded subchannel

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04J-001/00
출원번호 US-0766372 (1996-12-12)
발명자 / 주소
  • Zehavi Ephraim,ILX
  • Tiedemann
  • Jr. Edward G.
  • Saints Keith W.
출원인 / 주소
  • Qualcomm Incorporated
대리인 / 주소
    Miller
인용정보 피인용 횟수 : 49  인용 특허 : 16

초록

A subchannel within a CDMA signal is provided together with a system for receiving and decoding this subchannel. A message is transmitted over the subchannel by applying a sequence of phase rotations to the user data. A single subchannel message can be transmitted during each 1.25 ms segment of user

대표청구항

[ We claim:] [13.] A method for transmitting a subchannel data over a reverse link signal processed in accordance with code division multiple access techniques comprising the steps of:a) modulating user data with a pseudorandom noise code;b) phase adjusting a portion of said user data with a first p

이 특허에 인용된 특허 (16)

  1. Sutterlin Philip H. (San Jose CA) Hurlbut Amy O. (San Francisco CA), Adaptive threshold in a spread spectrum communications system.
  2. Schuchman Leonard (Potomac MD) Miller John E. (Wheaton MD) Bruno Ronald (Arlington VA), Digital audio broadcasting system.
  3. Wheatley ; III Charles E. (Del Mar CA) Padovani Roberto (San Diego CA) Zehavi Ephraim (San Diego CA), Fast forward link power control in a code division multiple access system.
  4. Zscheile ; Jr. John W. (Farmington UT) Lundquist Alan E. (Salt Lake City UT) Kingston Samuel C. (Salt Lake City UT), High rate-low rate PN code tracking system.
  5. Mizuno Toshio (Sayama JPX) Muratani Takuro (Noda JPX) Ito Yasuhiko (Tokyo JPX) Watanabe Tatsuo (Tokyo JPX) Inoue Takashi (Tokyo JPX), Hybrid modulation satellite communication system.
  6. Kondou Seiji (Tokyo JPX) Isoda Yoshihisa (Tokyo JPX) Muto Hiroyasu (Tokyo JPX), Interference detection apparatus for use in digital mobile communications system.
  7. Ling Fuyun (Jamaica Plains MA), Method and apparatus for power estimation in an orthogonal coded communication system.
  8. Bruckert Eugene J. (Arlington Heights IL) Eyuboglu Vedat (Boston MA) Falconer David D. (Nepean CAX), Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system.
  9. Falconer David D. (33 Abingdon Dr. Nepean ; Ontario MA CAX K2H 7M5) Ling Fuyun (202 Chestnut Ave. Jamaica Plain MA 02130), Method and apparatus for using orthogonal coding in a communication system.
  10. Heichler Johannes (Murrhardt DEX) Enders Peter (Backnang DEX), Method for editing a convolutional code for transmission and its reconversion at the receiver as well as a device theref.
  11. Bottomley Gregory E. (Cary NC) Dent Paul W. (Stehag SEX), Multiple access coding using bent sequences for mobile radio communications.
  12. Scharla-Nielsen Hans (Palm Bay FL), Real-time adaptive power control in satellite communications systems.
  13. 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.
  14. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA), Spread spectrum transmitter power control method and system.
  15. 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.
  16. Wheatley ; III Charles E. (Del Mar CA), Transmitter power control system.

이 특허를 인용한 특허 (49)

  1. Nelson, Jr., George R.; Proctor, Jr., James A.; Hoffmann, John E.; Rouphael, Antoine J., Access probe acknowledgment including collision detection to avoid oversetting initial power level.
  2. Farley, Kevin L.; Proctor, James A., Alternate channel for carrying selected message types.
  3. Farley, Kevin L.; Proctor, Jr., James A., Alternate channel for carrying selected message types.
  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. Proctor, Jr., James A., Antenna control system and method.
  9. Sabatino, Michael Edward, Apparatus for acquiring and processing of physiological auditory signals.
  10. Sabatino, Michael E., Apparatus for acquiring, processing and transmitting physiological sounds.
  11. Lundby, Stein A.; Razoumov, Leonid, Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel.
  12. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  13. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  14. Odenwalder, Joseph P., High rate CDMA wireless communication system using variable sized channel codes.
  15. Nelson, Jr.,G. Rodney; Hoffmann,John E.; Rouphael,Antoine J.; Proctor, Jr.,James A., Maintenance link using active/standby request channels.
  16. Chheda, Ashvin H., Method and apparatus for improved fast forward power control in a CDMA network.
  17. Mohseni, Mohammad Jafar; Butler, Brian; John, Deepu; Zhang, Haitao, Method and apparatus for rotating the phase of a complex signal.
  18. Ozluturk, Fatih M., Method for using a base station to selectively utilize B and D channels to support a plurality of communications.
  19. Ozluturk, Fatih M., Method for using a base station to selectively utilize B and D channels to support a plurality of communications.
  20. Ozluturk, Fatih M., Method for using a base station to selectively utilize B and D channels to support a plurality of communications.
  21. Ozluturk, Faith M., Method for using a base station to selectively utilize channels to support a plurality of communications.
  22. Ozluturk, Fatih M., Method for using a base station to selectively utilize channels to support a plurality of communications.
  23. Ozluturk, Fatih M., Method for using a base station to selectively utilize channels to support a plurality of communications.
  24. Yoon, Young Woo; Lee, Young Jo; Kim, Ki Jun; Kwon, Soon Yil, Method of configuring transmission in mobile communication system.
  25. Yoon, Young Woo; Lee, Young Jo; Kim, Ki Jun; Kwon, Soon Yil, Method of configuring transmission in mobile communication system.
  26. Yoon,Young Woo; Lee,Young Jo; Kim,Ki Jun; Kwon,Soon Yil, Method of configuring transmission in mobile communication system.
  27. Proctor, Jr., James A., Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences.
  28. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support sychronization.
  29. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
  30. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
  31. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support synchronization.
  32. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  33. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  34. Ohkubo,Shinzo; Yoshino,Hitoshi; Kikuchi,Shiro; Otsu,Toru, Radio communication system, communication terminal apparatus, base station apparatus, and transmission power control method.
  35. Nelson, Jr., George R.; Proctor, Jr., James A.; Hoffmann, John E.; Rouphael, Antoine J., Reverse link initial power setting using effective radiated power message to compute path loss.
  36. Nelson, Jr., George R.; Proctor, Jr., James A.; Hoffmann, John E.; Rouphael, Antoine J., Reverse link initial power setting using effective radiated power message to compute path loss.
  37. Proctor, Jr., James A., Signaling for wireless communications.
  38. Proctor, Jr., James A., Signaling for wireless communications.
  39. Mujtaba Syed Aon, Single sideband transmission of QPSK, QAM and other signals.
  40. Zhou Changming,JPX ; Zhou Xuping,JPX ; Shou Guolinag,JPX, Spread spectrum communication system.
  41. Ahn,Seong Woo; Heo,Seo Weon, System and method for demodulating multiple Walsh codes using a chip combiner.
  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. Proctor, Jr., James A., Transmittal of heartbeat signal at a lower level than heartbeat request.
  47. Duperray,David Benoit Didier, Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information.
  48. Proctor, Jr., James A., Use of correlation combination to achieve channel detection.
  49. Proctor, Jr., James A., Use of correlation combination to achieve channel detection.
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