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Dynamic sectorization in a spread spectrum communication system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/02
  • H01Q-021/06
출원번호 US-0495382 (1995-06-28)
발명자 / 주소
  • W. Eli Strich
  • James H. Thompson
출원인 / 주소
  • Qualcomm Incorporated
대리인 / 주소
    Phil R. Wadsworth
인용정보 피인용 횟수 : 29  인용 특허 : 16

초록

A system and method for dynamically varying traffic channel sectorization within a spread spectrum communication system is disclosed herein. In a preferred implementation, the system is operative to convey information to at least one specified user in a spread spectrum communication system and inclu

대표청구항

1. A system for conveying information to at least one user in a first user sector of a spread spectrum communication system, said system comprising:a first PN signal generator for generating a first PN signal of a first predetermined PN code; a first signal combiner, coupled to said first PN signal

이 특허에 인용된 특허 (16)

  1. Smith John M. (Elgin IL) Schuler Joseph J. (Schaumburg IL), Antenna switching system.
  2. Johnson Edward R. (1658 Swallow Dr. Sunnyvale CA) Leff Barry J. (2760 Belmont Canyon Rd. Belmont CA), Apparatus and method for expanding cellular system capacity.
  3. Yahagi Masahiko (Tokyo JPX), Base station coverage area control system.
  4. Ramsdale Peter A. (Widdington GBX) Gaskell Philip S. (Shelford GBX), Handover techniques.
  5. Martinez Louis (Cerritos CA), Interactive television and data transmission system.
  6. Bodin Roland (Spanga SEX) Norefors Arne (Stockholm SEX), Load sharing control for a mobile cellular radio system.
  7. Webb Ronald J. (Elgin IL) Puhl Larry C. (Sleepy Hollow IL), Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and porta.
  8. Meidan Reuven (Ramat Hasharon ILX), Method and apparatus for dynamic distribution of a communication channel load in a cellular radio communication system.
  9. McLaughlin, Michael J., Method and apparatus for measuring the strength of a radio signal frequency.
  10. Menich Barry J. (Chicago IL) Atkinson Frederick G. (Winfield IL), Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems.
  11. Hall Scott M. (Fort Worth TX), Method for compensating for capacity overload in a spread spectrum communication system.
  12. Kojima Junichiroh (Tokyo JPX) Mizoe Kenji (Tokyo JPX), Radio mobile communication system wherein probability of loss of calls is reduced without a surplus of base station equi.
  13. Menich Barry J. (Chicago IL) Tayloe Daniel R. (Rolling Meadows IL) Schaeffer Dennis R. (Buffalo Grove IL) Graziano Victor (Oak Park IL) Lev Valy (Schaumburg IL), Scanning receiver allocation method and apparatus for cellular radiotelephone systems.
  14. Schaeffer Dennis R. (Buffalo Grove IL), Signal routing 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. Chien-Yeh Lee William (Corona Del Mar CA), Zoned microcell with sector scanning for cellular telephone system.

이 특허를 인용한 특허 (29)

  1. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
  2. Lomp,Gary; Ozluturk,Fatih; Kowalski,John, Automatic power control system for a code division multiple access (CDMA) communications system.
  3. Nakamura, Takehiro; Hagiwara, Junichiro; Nakano, Etsuhiro; Ohno, Koji; Onoe, Seizo; Higashi, Akihiro; Tamura, Motoshi; Nakano, Masatomo; Kawakami, Hiroshi; Morikawa, Hiroki, Base station apparatus of mobile communication system.
  4. Nakamura,Takehiro; Hagiwara,Junichiro; Nakano,Etsuhiro; Ohno,Koji; Onoe,Seizo; Higashi,Akihiro; Tamura,Motoshi; Nakano,Masatomo; Kawakami,Hiroshi; Morikawa,Hiroki, Base station apparatus of mobile communication system.
  5. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
  6. Lomp, Gary R.; Ozluturk, Faith, Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system.
  7. Dobson,W. Kurt; Ostermiller,Dirk; Prestwich,Sy; Bevan,Scott, Equalizer with decision feedback frequency tracking and bit decoding for spread spectrum communications.
  8. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  9. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  10. Odenwalder, Joseph P., High rate CDMA wireless communication system using variable sized channel codes.
  11. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, MIMO-OFDM transmission device and MIMO-OFDM transmission method.
  12. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, MIMO-OFDM transmission device, MIMO-OFDM transmission method, reception apparatus and reception method.
  13. Ozluturk, Fatih; Lomp, Gary R.; Kowalski, John, Method and apparatus for adaptive power control for spread-spectrum communications.
  14. Asano, Nobuo, Method and apparatus for calculating a state of starting a PN code generating operation.
  15. Ozluturk, Fatih; Lomp, Gary, Method and subscriber unit for performing power control.
  16. Proctor, Jr.,James A.; LaMont, Jr.,Lawrence Wayne; Nelson, Jr.,George Rodney; Rouphael,Antoine J.; Hoffmann,John E., Method and system for economical beam forming in a radio communication system.
  17. England, Jon David, Multi-panel phased array antenna, employing combined baseband decision driven carrier demodulation.
  18. Campos, Luis Alberto; Williams, Thomas; Rice, Daniel, Network capacity redistribution with frequency re-use.
  19. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, OFDM transmission signal generation apparatus and method, and OFDM reception data generation apparatus and method.
  20. Yousef, Nabil R.; Currivan, Bruce J., Outer code covered synchronous code division multiple access for cable modem channels.
  21. McDonough,John G., System and method for selecting sample streams in direct sequence spread spectrum communications.
  22. Schmidl, Timothy M.; Dabak, Anand G., System and method of communication using transmit antenna diversity based upon uplink measurement for the TDD mode of WCDMA.
  23. Lomp, Gary; Ozluturk, Fatih; Silverberg, Avi, Transferring voice and non-voice data.
  24. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, Transmission apparatus, transmission method, reception apparatus, and reception method.
  25. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, Transmission signal generation apparatus, transmission signal generation method, reception signal apparatus, and reception signal method.
  26. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, Transmission signal generation apparatus, transmission signal generation method, reception signal apparatus, and reception signal method.
  27. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, Transmission signal generation apparatus, transmission signal generation method, reception signal apparatus, and reception signal method.
  28. Murakami, Yutaka; Kobayashi, Kiyotaka; Orihashi, Masayuki, Transmission signal generation apparatus, transmission signal generation method, reception signal generation apparatus, and reception signal generation method.
  29. Iwasaki, Motoya; Nishimura, Osami; Hirade, Sei; Haseba, Yukio, Wireless diversity receiver using a combiner with control weights that are based on reported transmission power.
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