Multiplex communications – Wide area network – Packet switching
Patent
1985-02-11
1987-08-11
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370100, 375118, H04J 306
Patent
active
046866736
ABSTRACT:
A synchronizing burst transmission phase control system is provided for a SDMA/SS-TDMA system. The synchronizing burst transmission control system is constituted by a transmission timing error difference measuring means including sync window forming means for limiting a TDMA frame, a comparator comparing measured symbol length with a predetermined reference symbol length for determining a transmission timing error; control means for controlling a transmission timing of a synchronizing burst signal; and switching means for switching a symbol length of a supervisory metric pattern in accordance with the synchronous state of the synchronizing burst signal.
REFERENCES:
patent: 3626295 (1971-12-01), Sabrui
patent: 3982075 (1976-09-01), Jefferis et al.
patent: 3995111 (1976-11-01), Tsuji et al.
Chin Wellington
Olms Douglas W.
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