Digital mobile communication system

Details Digital mobile communication system Digital mobile communication system

1996-03-08

1998-05-05

Safourek, Benedict V.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370350, 455452, 455502, H04B 7212

Patent

active

057486212

ABSTRACT:
In a digital mobile communication system comprising a cell station and a plurality of personal stations and employing a TDMS-TDD method, a personal station which is going to originate a call in a transceiver mode detects a unique word contained in a signal being transmitted from a control slot or communication slot by a busy personal station or cell station, recognizes the timing of the receiving slot and the receiving frame in view of the position of the unique word and controls to synchronize the timing of its own slot and frame with the aforementioned timing. A personal station which is to start a personal station-to-personal station direct communication can determine a communication slot after establishing complete synchronization with the busy personal station or cell station, and can improve the efficiency of using a frequency by eliminating time when a communication cannot be made.

REFERENCES:
patent: 5355529 (1994-10-01), Lindquist et al.
patent: 5363373 (1994-11-01), Nakahara et al.
patent: 5430724 (1995-07-01), Fall et al.
patent: 5517675 (1996-05-01), O'Connor et al.
patent: 5535207 (1996-07-01), Dupont

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