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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Partially block-interleaved CDMA coding and decoding

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04B-007/216   
미국특허분류(USC) 370/342; 375/130
출원번호 US-0082722 (1998-05-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Coats & Bennett, P.L.L.C.
인용정보 피인용 횟수 : 60  인용 특허 : 15
초록
▼

The present invention discloses a CDMA coding method including the steps of converting the information to be transmitted into digital form, error-correction coding the digital information, and assembling the coded symbols into frames having N symbols. Each coded information symbol within a frame is then repeated a first number of times L1 in succession and the sign of select repeated symbols, determined by a spreading code generator, is changed to produce a symbol block of N.times.L1 symbols. The symbol block is then repeated a second umber of times L2, ...

대표
청구항
▼

1. A method for communicating information between a first station and a number of second stations located in a communications service area, comprising the steps of:converting information to digital symbols for transmission; repeating each of said symbols a first number of times; altering a sign of select repeated symbols using a first access code sequence; assembling a number of symbols repeated said first number of times into blocks of repeated symbols; and repeatedly transmitting each of said blocks of symbols a second number of times, using a block si...

이 특허에 인용된 특허 (15)

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