Multiplexing and demultiplexing radio channels
DCFirst Claim
1. A method, comprising:
- receiving data in a multicast channel;
receiving channel mapping information from an Internet Protocol Interoperability and Communications System (IPICS) management system;
using the channel mapping information to map the multicast channel to a radio multicast channel;
receiving an audio signal through the multicast channel;
controlling access to a Land Mobile Radio (LMR) by applying a communication access control policy based on the received data upon reception of said audio signal and by sending, over a communication channel, a command for tuning, by a device, said LMR to the radio multicast channel; and
operatively linking said LMR to an endpoint through said multicast channel based on said communication access control policy by re-streaming the audio signal from the device over the radio multicast channel to the LMR.
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Abstract
In one embodiment, a method and apparatus of multiplexing and demultiplexing radio channels includes receiving data through at least one multicast media channel available for use in an Internet Protocol Interoperability and Communications System (IPICS) comprising multiple communication endpoints linkable to a Land Mobile Radio (LMR) in the IPICS; channel mapping the at least one multicast media channel to multiple media channels of the LMR; receiving an audio signal through the at least one multicast media channel; controlling access to the LMR by applying communication access control policies based on the received data upon reception of the audio signal; and operatively linking the LMR to a specified endpoint through the at least one multicast media channel based on the communication access control policies.
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Citations
21 Claims
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1. A method, comprising:
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receiving data in a multicast channel; receiving channel mapping information from an Internet Protocol Interoperability and Communications System (IPICS) management system; using the channel mapping information to map the multicast channel to a radio multicast channel; receiving an audio signal through the multicast channel; controlling access to a Land Mobile Radio (LMR) by applying a communication access control policy based on the received data upon reception of said audio signal and by sending, over a communication channel, a command for tuning, by a device, said LMR to the radio multicast channel; and operatively linking said LMR to an endpoint through said multicast channel based on said communication access control policy by re-streaming the audio signal from the device over the radio multicast channel to the LMR. - View Dependent Claims (2, 3, 4, 5, 6, 15, 16, 17)
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7. An apparatus, comprising:
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a processor coupled to a memory; and a multiplexing element, wherein the apparatus is configured to receive data in a multicast channel; receive channel mapping information from an Internet Protocol Interoperability and Communications System (IPICS) management system; use the channel mapping information to map the multicast channel to a radio multicast channel; receive an audio signal through the multicast channel; control access to a Land Mobile Radio (LMR) by applying a communication access control policy based on the received data upon reception of said audio signal and by sending, over a communication channel, a command to tune said LMR to the radio multicast channel; and operatively link said LMR to an endpoint through said multicast channel based on said communication access control policy by re-streaming the audio signal over the radio multicast channel to the LMR. - View Dependent Claims (8, 9, 10, 11, 12, 18, 19)
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13. Logic encoded in one or more non-transitory media that includes code for execution and that, when executed by a processor, is operable to perform operations comprising:
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receiving data in a multicast channel; receiving channel mapping information from an Internet Protocol Interoperability and Communications System (IPICS) management system; using the channel mapping information to map the multicast channel to a radio multicast channel; receiving an audio signal through the multicast channel; controlling access to a Land Mobile Radio (LMR) by applying a communication access control policy based on the received data upon reception of said audio signal and by sending, over a communication channel, a command for tuning, by the processor, a Land Mobile Radio said LMR to the radio multicast channel; and operatively linking said LMR to an endpoint through said multicast channel based on said communication access control policy by re-streaming the audio signal from the processor over the radio multicast channel to the LMR. - View Dependent Claims (14, 20, 21)
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Specification