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[미국특허] High rate reed-solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-027/34
출원번호 US-0852151 (1997-05-06)
발명자 / 주소
  • Alamouti Siavash M.,CAX
  • Wright Andrew S.,CAX
  • Haymond William D.,CAX
출원인 / 주소
  • AT&T Wireless Services, Inc.
대리인 / 주소
    Knobbe, Martens, Olson & Bear LLP
인용정보 피인용 횟수 : 64  인용 특허 : 57

초록 ▼

A cellular communication system provides for trellis encoding/decoding of a 16 Star QAM signal. The system includes a transmitter circuit and a receiver circuit. The transmitter circuit has a Reed-Solomon encoder, an outer interleaver circuit for spreading burst errors, a cyclic trellis encoder, an

대표청구항 ▼

[ We claim:] [1.] A data transmitter comprising:a trellis encoder having a plurality of defined next states each corresponding to an input and a present state, said next states cyclically assigned to the corresponding input and present states;a signal constellation mapper coupled to said trellis enc

이 특허에 인용된 특허 (57) 인용/피인용 타임라인 분석

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  57. Serfaty Salomon (Kibutz Gaash ILX), Trellis decoder.
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이 특허를 인용한 특허 (64) 인용/피인용 타임라인 분석

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