Multiplex communications – Communication over free space – Repeater
Patent
1996-06-30
1999-02-02
Patel, Ajit
Multiplex communications
Communication over free space
Repeater
370432, H04B 714, H04J 110, H04J 308
Patent
active
058674888
ABSTRACT:
In a digital multi-channel simulcast system, a redundant centralized timestamping device acts as a simulcast controller for multiple channels simultaneously. All packets within a regional multi-channel system which require simulcast transmission are sent to a central timestamping device which determines the appropriate launch timestamp for each packet and attaches it thereto. The timestamping device is able to support concurrent timestamping sessions for each channel of a multiple channel system and can be dynamically assigned (trunked) to service any given radio channel on a packet by packet, call by call, or less frequent basis.
REFERENCES:
patent: 5339311 (1994-08-01), Turner
patent: 5383182 (1995-01-01), Therasse et al.
patent: 5402415 (1995-03-01), Turner
patent: 5402417 (1995-03-01), Aramaki
patent: 5455965 (1995-10-01), Shaughnessy et al.
patent: 5485632 (1996-01-01), Ng et al.
Derango Mario Frank
Dertz Gregory Allan
Motorola Inc.
Pappas George C.
Patel Ajit
LandOfFree
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