Multiplex communications – Wide area network – Packet switching
Patent
1995-11-29
1996-10-15
Kizou, Hassan
Multiplex communications
Wide area network
Packet switching
370 951, 379 58, 455 561, H04B 700, H04L 1256, H04Q 722
Patent
active
055661815
ABSTRACT:
A radio communication system (200) employs a method (400) and system (200) for establishing a communication between communication units (212-217) using geographically distributed packet duplicators (203-205). The communication system (200) includes a system controller (201), a plurality of packet duplicators (203-205), a plurality of base sites (207-210), and a plurality of communication units (212-217). The packet duplicators (203-205), which provide interconnectivity between the base sites (207-210), are distributed throughout geographic regions (233-234) of the system (200). When the system controller (201) receives a request to communicate from one communication unit (e.g., 212) in a group of communication units (e.g., 212-215), the system controller (201) selects a packet duplicator (e.g., 203) serving a geographic region (e.g., 233) containing at least one communication unit in the group and uses the selected packet duplicator (203) to establish the group communication.
REFERENCES:
patent: 5369781 (1994-11-01), Comroe et al.
patent: 5387905 (1995-02-01), Grube et al.
patent: 5396643 (1995-03-01), Frenzer et al.
patent: 5448758 (1995-09-01), Grube et al.
Erickson Paul M.
Huang Hsia
Lo Bin
Crilly Daniel C.
Kizou Hassan
Motorola Inc.
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