Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1996-06-28
2000-10-24
Ton, Dang
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370390, H04L 1228, H04L 1256
Patent
active
061377961
ABSTRACT:
A packet non-replicating comparator device for use in a digital simulcast radio communication system generates a single seed copy of a timestamped information data packet (per channel) for transmission to either a multicast capable packet-switched network or to a packet duplicator coupled to a unicast capable packet-switched network. The multicast capability of packet-switched networks is utilized to simplify the hardware and software complexity at the comparator site, by assigning the responsibility for performing simulcast (timestamped) packet replication and distribution (to the appropriate transmitters) to the coupled packet-switched network. As a result, the elimination of the comparator performed function of sourcing multiple (replicated) packets of a seed copy frees up valuable link bandwidth and improves processing capability and makes possible the generation of multiple non-replicated packets corresponding to associated ones of multiple channels by a single comparator device.
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Derango Mario Frank
Dertz Gregory Allan
Motorola Inc.
Sam Phirin
Santema Steven R.
Ton Dang
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