Global ETD Search
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Showing 1 to 1 of 1 for “"Inter-System Interface"”.
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Investigation of a Packet-Switched Inter-System Interface for Land Mobile Radio Systems
… and up to this date, Land Mobile Radio (LMR) systems have been interconnected via leased lines and microwave links across circuit-switched networks. With the recent deployment of digital LMR standards such as the Association of Public and Communications Officials (APCO) Project 25 and the …