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Method and apparatus for transmitting signals in a communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-027/06
출원번호 US-0904204 (1997-07-31)
발명자 / 주소
  • Kotzin Michael D.
  • Rozanski
  • Jr. Walter J.
출원인 / 주소
  • Motorola, Inc.
대리인 / 주소
    Sonnentag
인용정보 피인용 횟수 : 131  인용 특허 : 13

초록

Different orthogonal codes (W.sub.x, W.sub.y) are used to spread common pilot channels (Pilot.sub.A) intended for transmission to a particular mobile station (106) within a coverage area (sector A) to implement forward link transmit diversity. By implementing separate, different orthogonal codes (W.

대표청구항

[ What we claim is:] [11.] A method of transmitting signals in a communication system, the method comprising the steps of:transmitting a first pilot channel on a first antenna using a first code;transmitting a second pilot channel on a second antenna using a second code that is orthogonal to the fir

이 특허에 인용된 특허 (13)

  1. Schneider Allan, CDMA system having time-distributed transmission paths for multipath reception.
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  5. Zehavi Ephraim,ILX ; Miller David S. ; LaRocca Judith, Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels.
  6. Bi Qi (Morris Plains NJ), Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multipl.
  7. Zehavi Ephraim (Haifa ILX), Method and apparatus for using Walsh shift keying in a spread spectrum communication system.
  8. Umeda Narumi (Yokohamashi JPX) Higashi Akihiro (Yokosukashi JPX) Hiroike Akira (Yokosukashi JPX) Kaiyama Akira (Yokohamashi JPX), Method and system for CDMA mobile communication.
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  10. Weerackody Vijitha (Springfield NJ), Method for providing time diversity.
  11. Dahlman Erik,SEX ; Willars Per Hans P.,SEX ; Grimlund Olof E.,SEX ; Ewerbring Lars-Magnus,SEX, Multi-code compressed mode DS-CDMA systems and methods.
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