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ISDN-to-ISDN communication via satellite microwave radio frequency communications link 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/185
출원번호 US-0119596 (1993-09-10)
발명자 / 주소
  • Chen David T. (Los Gatos CA) Everoski Ronald A. (Los Altos CA) Lam William C. (Milpitas CA)
출원인 / 주소
  • Trimble Navigation Limited (Sunnyvale CA 02)
인용정보 피인용 횟수 : 152  인용 특허 : 0

초록

An embodiment of the present invention includes a plurality of portable satellite terminals (PSTs) and a network control unit (NCU) in mutual communication by a communications satellite. Integrated services digital network (ISDN) basic rate interfaces (BRI) are provided at each PST and NCU such that

대표청구항

A satellite communications link for transparent, end-to-end transportation between a network and a client of error-free data exchanges having link access protocols otherwise incompatible with signal delay and noise inherent in satellite communication channels, the link comprising: a first interface

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