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Orthogonal code synchronization system and method for spread spectrum CDMA communications

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-072/16
  • H04B-015/00
출원번호 US-0807228 (1997-02-28)
발명자 / 주소
  • Lavean Gil
출원인 / 주소
  • Interdigital Technology Corporation
대리인 / 주소
    Volpe and Koenig, P.C.
인용정보 피인용 횟수 : 46  인용 특허 : 10

초록

A cellular radio system in which a base station receiver can receive, on the reverse link, data from a mobile terminal in one of four control modes. In the first mode, the mobile terminal sends an independent user pilot, not synchronized with the base station, on the reverse link and the user data c

대표청구항

[ I claim:] [1.] In a spread spectrum CDMA digital cellular radio system for communicating between a base station and a mobile terminal over a duplex radio channel, a mobile terminal comprising:a remote user data source for generating a user data signal;a first orthogonal code set generator for gene

이 특허에 인용된 특허 (10)

  1. Yeung Joemmane Chi Cheung (Wellingborough GBX) Cooper Ian L. (Basingstoke GBX), Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system.
  2. Schilling Donald L. (Sands Point NY), CDMA communications and geolocation system and method.
  3. Lomp Gary ; Kowalski John ; Ozluturk Fatih ; Silverberg Avi ; Regis Robert ; Luddy Michael ; Marra Alexander ; Jacques Alexander, Code division multiple access (CDMA) communication system.
  4. Teder Paul M. (Taby SEX) Ewerbring Lars-Magnus (Stockholm SEX) Brismark Lars G. (Stockholm SEX), Direct sequence CDMA coherent uplink detector.
  5. I Chih-Lin ; Partyka Andrzej ; Webb ; III Charles Albert, Multi-code code division multiple access receiver.
  6. Carlin James W. (Holmdel NJ), Self-synchronous spread spectrum transmitter/receiver.
  7. Yano Takashi (Tokorozawa JPX) Doi Nobukazu (Hachioji JPX), Spread spectrum communication system and transmission power control method therefor.
  8. Schilling Donald L. (Sands Point NY), Synchronous spread-spectrum communications system and method.
  9. Lee Edward K. B. (Sunrise FL) Cadd Jimmy (Coral Springs FL) Fulghum Tracy L. (Sunrise FL) Babayi Robert S. (Sunrise FL), System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system.
  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.

이 특허를 인용한 특허 (46)

  1. Balasubramanian, Srinivasan; Vannithamby, Rath, Allocation of walsh codes to support calls in wireless communication networks.
  2. Chang, Donald C. D.; Yung, Kar W.; Cheng, David C.; Hagen, Frank A.; Chang, Ming U.; Novak, III, John I., Coherent synchronization of code division multiple access signals.
  3. Chang, Donald C. D.; Cha, Alan, Concurrent communications between a user terminal and multiple stratospheric transponder platforms.
  4. Erten Gamze ; Salam Faihi M., Continuously adaptive dynamic signal separation and recovery system.
  5. Feria, Ying; Chang, Ming; Chang, Donald, Dynamic cell CDMA code assignment system and method.
  6. Su-Won Park KR; Young-Ky Kim KR; Jae-Min Ahn KR; Jae-Yoel Kim KR; Hee-Won Kang KR, Gated transmission in control hold state in CDMA communication system.
  7. Lakkis, Ismail; Bahreini, Yasaman; Santhoff, John, High data rate transmitter and receiver.
  8. Lakkis, Ismail; Bahreini, Yasaman; Santhoff, John, High data rate transmitter and receiver.
  9. Lakkis, Ismail; Bahreini, Yasaman; Santhoff, John, High data rate transmitter and receiver.
  10. Lundby, Stein A.; Razoumov, Leonid; Bao, Gang; Wei, Yongbin, Method and apparatus for determining a data rate in a high rate packet data wireless communications system.
  11. Bethscheider, Gerhard; Harles, Guy, Method and apparatus for determining characteristics of components of a communication channel under load.
  12. Lundby, Stein A.; Razoumov, Leonid; Bao, Gang, Method and apparatus for high rate packet data and low delay data transmissions.
  13. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  14. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  15. Padovani, Roberto; Bender, Paul E.; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  16. Padovani, Roberto; Bender, Paul E; Black, Peter J.; Grob, Matthew S.; Hinderling, Jurg K.; Sindhushayana, Nagabhushana T.; Wheatley, III, Charles E., Method and apparatus for high rate packet data transmission.
  17. Ahn, Jae-Min; Yoon, Soon-Young; Kang, Hee-Won; Kim, Young-Ky, Method and apparatus for initializing a packet traffic channel in a communication system.
  18. Chen,Tao; Chaponniere,Etienne F., Method and apparatus for power control in a communication system.
  19. Ikeda, Nozomu; Ogino, Akira; Sugita, Takehiro; Usui, Takashi, Method and apparatus for superimposing and detecting an additional information signal.
  20. Farley, Kevin L.; Brooks, Leslie M., Method and apparatus for wireless router multicast.
  21. Jaenecke,Peter; Schwoerer,Gabriele; Jacob,Gunther; Oberle,Karsten; Otterbach,J체rgen; Halbauer,Hardy, Method of transferring user data packets.
  22. Dent Paul W., Orthogonal frequency hopping pattern re-use scheme.
  23. Schilling Donald L. ; Garodnick Joseph, Orthogonal spread spectrum system.
  24. Breit, Gregory Alan; Vermani, Sameer; Abraham, Santosh Paul; Sampath, Hemanth, Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems.
  25. Zhao,Chunming; Guo,Jinghong; You,Xiaohu; Cheng,Shixin, Pilot channel tracking method based on multipath barycenter tracking loop.
  26. Padovani, Roberto; Black, Peter J.; Sindhushayana, Nagabhushana T., Pilot reference transmission for a wireless communication system.
  27. Padovani, Roberto; Black, Peter John; Sindhushayana, Nagabhushana T., Pilot reference transmission for a wireless communication system.
  28. Fessler,Braden J.; Baustert,Nick J.; Perez,Cesar; Smith,William G., Portable interference-generating device for use in CDMA mobile testing.
  29. Erik Dahlman SE; Karim Jamal SE, Random access in a mobile telecommunications system.
  30. Ozluturk, Fatih M.; Mesecher, David K.; Jacques, Alexander M., Receiver for producing phase corrected signals.
  31. Michalson,William R.; Progri,Ilir F., Reconfigurable geolocation system.
  32. Agin,Pascal, Spectrum spreading or despreading device, in particular for transmission in a code division multiple access cellular mobile radio system.
  33. Sunaga, Terumi, Spread spectrum communication transmitter and receiver, and CDMA mobile communication system and method.
  34. Strong, Peter N., System and method for adjusting transmission phasing in a point-to-point communication link.
  35. Raman, Sundar; Garin, Lionel, System and method for detecting multipath effects in a GPS receiver.
  36. Soliman, Samir S., System and method of dynamically calibrating based station timing using location information.
  37. Lakkis,Ismail, Systems and methods for forward error correction in a wireless communication network.
  38. Lakkis,Ismail, Systems and methods for receiving data in a wireless communication network.
  39. Lakkis,Ismail, Systems and methods to recover bandwidth in a communication system.
  40. Lakkis,Ismail, TDMA communication method and apparatus using cyclic spreading codes.
  41. Shoji,Takashi, Transmission circuit.
  42. Lakkis,Ismail, Ultra-wideband communication apparatus and methods.
  43. Lakkis,Ismail, Ultra-wideband communication apparatus and methods.
  44. Lakkis,Ismail, Ultra-wideband communication systems and methods.
  45. Rudish Ronald ; Levy Joseph, Virtual beam system.
  46. Ozluturk, Fatih M; Mesecher, David K; Jacques, Alexander M, Wireless transmit/receive unit (WTRU) for carrier offset recovery.
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