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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Hierarchical communication system using premises, peripheral and vehicular local area networking

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04B-007/26    H04B-007/216   
미국특허분류(USC) 370/338 ; 375/200 ; 340/8255 ; 455/383
출원번호 US-0279148 (1994-07-22)
발명자 / 주소
  • Mahany Ronald L. (Cedar Rapids IA) West Guy J. (Lisbon IA) Bunte Alan G. (Cedar Rapids IA)
출원인 / 주소
  • Norand Corporation (Cedar Rapids IA 02)
인용정보 피인용 횟수 : 184  인용 특허 : 0
초록
▼

A hierarchical communication system is described in which wireless local area networks (LANs) exhibiting substantially different characteristics are employed in an overall scheme to link portable or mobile computing devices. In a premises LAN, a series of radio base stations and a backbone LAN make up an infrastructure network. The infrastructure network and at least one mobile computing device make up a higher-power LAN, utilizing a frequency hopping protocol. A lower-power LAN allows for radio communication between a mobile computing device and periphe...

대표
청구항
▼

A radio unit for operation in a communication system having a plurality of RF communication networks comprising: a transceiver capable of participating on the plurality of RF communication networks; a memory device which stores a plurality of communication protocols, each communication protocol governing radio operation on one of the plurality of RF communication networks; a control processor coupled to the transceiver and the memory device, the control processor selecting from the memory device ones of the plurality of communication protocols to enable ...

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