[특허]Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems

Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-072/16
출원번호	US-0666828 (1996-06-19)
발명자 / 주소	Jalali Ahmad Krzymien Witold,CAX Mermelstein Paul,CAX
출원인 / 주소	Northern Telecom Limited, CAX
대리인 / 주소	Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
인용정보	피인용 횟수 : 138 인용 특허 : 0

초록 ▼

A synchronous discontinuous transmission medium access control (SDTX-MAC) method and apparatus for more efficiently using existing uplink channels by sharing these uplink channels between multiple terminals engaged in bursty data transmission. This is accomplished by assigning each mobile terminal an individual time slot and by not requiring each mobile terminal to broadcast its identity. This results in a reduction in the number of receivers on each base station and a reduction in the length of the synchronization message.

대표청구항 ▼

[ What is claimed:] [1.] A code division multiple access (CDMA) communication system comprising a base station and a plurality of assigned mobile terminals coupled at least one said base station, wherein said base station communicates with said plurality of assigned mobile terminals using at least one transmitter and at least one receiver to transfer at least one of many data bursts, and said transmitter and receiver communicate using a plurality of communication channels comprising:forward link channels which include a pilot channel, a synchronization channel, at least one paging channel, at least one forward traffic channel, and at least one reservation response channel;reverse link channels which include at least one access channel, at least one reverse traffic channel, and at least one synchronous synchronization-reservation channel; andmeans for establishing a communication link between said base station and said plurality of assigned mobile terminals.

이 특허를 인용한 특허 (138)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems 원문보기

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Medium access control scheme for data transmission on code division multiple access (CDMA) wireless systems 원문보기

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