Radio tele-communication system using TDMA scheme to reduce sign

Details Radio tele-communication system using TDMA scheme to reduce sign Radio tele-communication system using TDMA scheme to reduce sign

1991-07-12

1995-07-04

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3701001, 455 541, H04J 306

Patent

active

054307317

ABSTRACT:
In a radio tele-communication system of this invention, at least one radio frequency is shared by a plurality of base stations and a plurality of mobile stations, a signal transmitted at the radio frequency has a time frame constituted by a plurality of time-divisionally multiplexed time slots, and time intervals for detecting timing shifts are set between the plurality of time slots. In at least either the base stations or mobile stations, a communication timing shift in a time slot currently used for communication is detected from a reception state in one of the time intervals for detecting timing shifts, and the communication timing of the corresponding time slot is corrected in cooperation with a station, with which communication is performed, on the basis of the communication timing shift detection result.

REFERENCES:
patent: 4472802 (1984-09-01), Pin et al.
patent: 4774708 (1988-09-01), Hotta
patent: 4947451 (1990-08-01), Nawata

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