Multiplex communications – Wide area network – Packet switching
Patent
1993-07-01
1995-02-07
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
3701101, 375107, 455 511, H04L 708
Patent
active
053881028
ABSTRACT:
In a wireless telecommunications system (FIG. 1), over-the-air operations of a plurality of base stations (11 ) are synchronized via a synchronization signal that is embedded in the normal communications protocol that is used to convey traffic between a control switch (12) and the base stations. In the physical-layer protocol of the ISDN S or T basic-rate interface, the S or M bits are employed to conduct the synchronization signal. The synchronization signal is generated in the control switch and broadcast therein to port circuit packs (310) via a synchronization bit of a dedicated time-slot of a TDM bus (303).
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Griffith Gary L.
Nienaber Michael L.
Petty Norman W.
AT&T Corp.
Safourek Benedict V.
Volejnicek David
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