| 摘要 |
An extended addressing protocol for use with digital trunked radio systems that allows the maximum number of radios on a digital trunked radio system to be increased, and also allows the maximum number of groups within the system to be increased, while at the same time remaining consistent with the timing structure currently used by existing radios. The preferred embodiment of the present invention increases the logical identifier from 14 bits to 20 bits (corresponding to an increase in the number of individual radios on a system from 16,384 available in the prior art to 1,048,574 available on a system operating in accordance with the present invention), and increases the group identifier from 11 bits to 16 bits (corresponding to an increase in the number of groups available on a system from 2,048 available in the prior art to 65,534 available on a system operating in accordance with the present invention), while remaining within the standard protocol timing structure currently used by existing EDACS systems.
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