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Method and system for reducing synchronization time in a CDMA wireless communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/69
출원번호 US-0435312 (1999-11-05)
발명자 / 주소
  • Tiedemann, Jr., Edward G.
  • Terasawa, Daisuke
  • Shanbhag, Abhijit G.
  • Jou, Yu-Cheun
  • Odenwalder, Joseph P.
  • Willenegger, Serge
  • Sarkar, Sandip
출원인 / 주소
  • Qualcomm Incorporated
인용정보 피인용 횟수 : 14  인용 특허 : 16

초록

A method and system for generating forward link channels in a synchronous CDMA base station having a pilot pseudonoise (PN) sequence with a pilot PN sequence offset. In one embodiment the method includes the steps of generating a sync channel including a sync channel message; generating an identific

대표청구항

1. A method for generating forward link channel signals by a CDMA base station comprising:generating a sync channel signal carrying a sync channel message capable of including at least a first pilot PN offset indicator; generating an identification channel signal carrying at least a second pilot PN

이 특허에 인용된 특허 (16)

  1. Beasley Andrew,CAX ; Hulays Rafeh A.,CAX ; Schebel Dean D.,CAX, CDMA cordless telephone system and method of operation thereof.
  2. Tokuyama Katsumi,JPX ; Itoh Katsutoshi,JPX, Cellular mobile telecommunications system for controlling a hand-off by a mobile station.
  3. Ozukturk Fatih ; Jacques Alexander ; Lomp Gary ; Kowalski John, Code division multiple access (CDMA) communication system.
  4. Raith Alex Krister, Detecting messages transmitted over a communications channel such as a paging channel.
  5. Kent Mark ; Landau Url M. ; Sharifnejad Toosi Elahe, Direct sequence CDMA device and method for using the same.
  6. Hamdy Walid M., Method and apparatus for merging neighbor lists in a CDMA mobile telephone system.
  7. Persson Bengt,SEX ; Turcotte Joseph Eric,CAX, Method and apparatus for selecting a control channel based on service availability.
  8. Kenney Thomas, Method and apparatus for synchronizing to a direct sequence spread spectrum signal.
  9. Rohani Kamyar, Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system.
  10. Hiroshi Katsuragawa JP, Method and system of CDMA communication.
  11. Kim Tae-Hyoun,KRX, Methods for grouping and ungrouping sectors of a cell in a cellular communication system.
  12. Sugita Takehiro,JPX, Mobile communication method and system.
  13. Lynch Michael A., Multi-level sectorized CDMA communications.
  14. Takai Kenichi,JPX, Spread spectrum communication 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. Oliva Eugene A., System and methods for controlling access to digital wireless network in a dual mode wireless system.

이 특허를 인용한 특허 (14)

  1. Chen, Kun-tso, Data signal phase reversal correction method and system implementing the same.
  2. Kazmi,Seemi; Picker,Dan, Facilitating synchronization of communication stations in a radio communication system.
  3. Sigg, Jason P.; Bhan, Ashish; Shah, Maulik K.; Singh, Jasinder P., Method and system for spread spectrum signal acquisition without a pilot signal.
  4. Thadasina, Nivedan; Csapo, John; Gilliland, Paul, Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network.
  5. Seo,Sang Hoon; Kim,Tae Gue; Park,Tae Hoon; Lee,In Hong; Park,Sun, Method for carrying out handoff between macrocell and microcell in hierarchical cell structure.
  6. Frederiksen, Frank; Kolding, Troels Emil, Method for compact representation of multi-code signaling in communication systems.
  7. Frederiksen,Frank; Kolding,Troels Emil, Method for compact representation of multi-code signaling in communication systems.
  8. Michel,Juergen; Raaf,Bernhard, Method for synchronizing a base station with a mobile station, a base station and a mobile station.
  9. Lysejko, Martin; Logothetis, Andrew, Point to multipoint device for communication with a plurality of telecommunications units.
  10. Chen, Kun-tso, Sync detection device and method for GNSS.
  11. Zhao, Bin; Li, Wei, Systems and methods for improved quality of a call over network with load leveling and last mile signal indication.
  12. Zhao, Bin; Li, Wei, Systems and methods for improved quality of a visualized call over network through scenario based buffer modulation.
  13. Rupp,Markus, Training and synchronization sequences for wireless systems with multiple transmit and receive antennas used in CDMA or TDMA systems.
  14. Dick, Stephen G.; Bolourchi, Nader; Shin, Sung-Hyuk, User equipment identification specific scrambling.
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