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US 2010/0135197 A1Published application
Radio frequency multicasting
AssigneePine Valley Investments, Inc.
InventorDennis Michael Martinez
Life of this patent
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Abstract
A method for radio frequency multicasting and a multicast site architecture are provided. The method includes assigning a different traffic multicast Internet Protocol (IP) address to each of a plurality of groups of LMR users and encapsulating the LMR content within IP packets. The method further includes transmitting the IP packets to one of the plurality of groups of LMR users using at least one of the assigned traffic multicast IP addresses.
Claims14
A multicast site architecture for communicating land mobile radio (LMR) content, said multicast site architecture comprising:
- a plurality of communication sites;
- and
- an LMR over Internet Protocol (IP) interface associated with at least one of said plurality of communication sites, said LMR over IP interface configured
- to transmit call control and signaling information to a plurality of LMR units using at least one control multicast IP address, and
- to assign traffic multicast IP addresses to a plurality of talkgroups for communicating LMR content between LMR units of said plurality of LMR units which subscribe to at least one of said plurality of talkgroups.
2 more elements
Dependencies are inferred from the claim text.