System and method for transmitting subscriber data in a...

Details System and method for transmitting subscriber data in a... System and method for transmitting subscriber data in a...

2005-12-06

2005-12-06

Olms, Douglas (Department: 2661)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S346000

Reexamination Certificate

active

06973070

ABSTRACT:
There is disclosed for use in a narrowband wireless messaging network, a subscriber communication unit that uses a miscellaneous ALOHA message to transmit predefined messages and/or formatted telemetry data to a base station. The subscriber communication unit comprises a transceiver for receiving messages from the base station in a forward channel and transmitting messages to the base station in a reverse channel. The reverse channel is divided into a plurality of scheduled transmission time slots and a plurality of unscheduled transmission time slots of the ALOHA type. A message controller receives input data generated by the subscriber communication unit and translates the input data into a reverse channel message capable of being transmitted in an available unscheduled time slot, such as a miscellaneous ALOHA message time slot.

REFERENCES:
patent: 5883886 (1999-03-01), Eaton
patent: 5960327 (1999-09-01), Eaton
patent: 6084866 (2000-07-01), Dorerbosch

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