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System and method for generating signal waveforms in a CDMA cellular telephone system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/69
출원번호 US-0360059 (1999-07-23)
발명자 / 주소
  • Gilhousen, Klein S.
  • Jacobs, Irwin M.
  • Padovani, Roberto
  • Weaver, Jr., Lindsay A.
  • Wheatley, III, Charles E.
  • Viterbi, Andrew J.
출원인 / 주소
  • Qualcomm Incorporated
대리인 / 주소
    Miller, Russell B.Edwards, Christopher
인용정보 피인용 횟수 : 17  인용 특허 : 94

초록

A system and method for communicating information signals using spread spectrum communication techniques. PN sequences are constructed that provide orthogonality between the users so that mutual interference will be reduced, allowing higher capacity and better link performance. With orthogonal PN co

대표청구항

A system and method for communicating information signals using spread spectrum communication techniques. PN sequences are constructed that provide orthogonality between the users so that mutual interference will be reduced, allowing higher capacity and better link performance. With orthogonal PN co

이 특허에 인용된 특허 (94)

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이 특허를 인용한 특허 (17)

  1. Chang,Cheng Yuan; Huang,Jie Hau; Lin,Hong Chin; Yang,Guu Chang; Chang,Yung Hsien; Chao,Hsuan Ching, Complementary code keying demodulation system.
  2. Guo, Donghai; Hu, Aiqun; Ng, Tung Sang, MPSK spread spectrum communications receiver with carrier recovery and tracking using weighted correlation techniques.
  3. Jensen, Poul R.; Moller, legal representative, Thorkild Leth; Nielsen, Morten; Christiansen, Mogens, Method and apparatus for timing and event processing in wireless systems.
  4. Yasaki,Takahiro, Path searcher for spread spectrum receiver.
  5. Dick, Stephen G.; Rudolf, Marian, Power control for communications systems utilizing high speed shared channels.
  6. Johnson, Kevin P.; Rouphael, Antoine J.; Nelson, Jr., George Rodney, Receiver for time division multiplex system without explicit time slot assignment.
  7. Li, Bin, Simple and robust digital code tracking loop for wireless communication systems.
  8. Li, Bin, Simple and robust digital code tracking loop for wireless communication systems.
  9. Li, Bin, Simple and robust digital code tracking loop for wireless communication systems.
  10. Li, Bin, Simple and robust digital code tracking loop for wireless communication systems.
  11. Li,Bin, Simple and robust digital code tracking loop for wireless communication systems.
  12. Inamdar, Amol Ashok, Superconducting digital phase rotator.
  13. Proctor, Jr., James A., System and method for coordination of wireless maintenance channel power control.
  14. Gilhousen, Klein S.; Jacobs, Irwin M.; Padovani, Roberto; Weaver, Jr., Lindsay A.; Wheatley, III, Charles E.; Viterbi, Andrew J., System and method for generating signal waveforms in a CDMA cellular telephone system.
  15. Gilhousen,Klein S.; Jacobs,Irwin M.; Padovani,Roberto; Weaver, Jr.,Lindsay A.; Wheatley, III,Charles E.; Viterbi,Andrew J., System and method for generating signal waveforms in a CDMA cellular telephone system.
  16. Torikoshi, Hideki; Morita, Shigekazu; Hamamatsu, Koichi; Shuto, Itsuo, Time synchronizing system.
  17. Takeuchi,Isao, Transmitting apparatus and method, receiving apparatus and method, and transmitting and receiving apparatus and method.
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