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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Method and apparatus for joint transmission of multiple data signals in spread spectrum communication systems

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04J-013/04    H04B-072/16    H04Q-007/30   
미국특허분류(USC) 370/208 ; 370/320 ; 370/335 ; 370/342
출원번호 US-0741229 (1996-10-29)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Miller
인용정보 피인용 횟수 : 129  인용 특허 : 0
초록
▼

A more efficient and less complex structure and method for combining multiple user channels onto a single carrier frequency in spread spectrum communication systems. A single transformation element, such as a fast Hadamard Transformation processor, is used to orthogonally encode and combine a series of subscriber digital data signals in parallel. Portions of the orthogonally encoded and combined data signals are then selected over preselected time intervals to generate a single encoded data signal which is subsequently PN spread, subjected to analog sign...

대표
청구항
▼

[ What I claim is:] [1.] Apparatus for orthogonally encoding a plurality of digital data signals in a spread spectrum communication system in which information is communicated over orthogonally encoded data signals which are subsequently spectrum spread, comprising:first multiplexing means for receiving a plurality of said digital data signals in parallel and forming them into single a bit-wise serial data stream;second multiplexing means for receiving a plurality of channel gain factors in parallel, each corresponding to a predetermined digital data sig...

이 특허를 인용한 특허 피인용횟수: 129

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