Synchronization of wireless base stations by a service circuit i

Details Synchronization of wireless base stations by a service circuit i Synchronization of wireless base stations by a service circuit i

1995-12-08

2000-12-26

Safourek, Benedict V.

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

370503, 375356, 455502, H04L 708

Patent

active

061670634

ABSTRACT:
Synchronizing wireless base stations by reception of a synchronization signal that is transmitted in an unused B channel of an ISDN link interconnecting a switching network and the base stations. The synchronization signals are generated by the tone circuit of the switching network which advantageously is a digital signalling processor (DSP). Each base station is interconnected to the switching network via two basic rate interface (BRI) links. Each base station can handle a maximum of three wireless handsets thus leaving one of the four B channels present in the two BRI links unused. It is this unused link that is utilized to transmit the synchronization signals from the switching network to the base stations. Furthermore, the switching network is configured in such a manner that all base stations receive the synchronization signals at the same time over the unused B channels.

REFERENCES:
patent: 4839842 (1989-06-01), Pyi et al.
patent: 5295178 (1994-03-01), Nickel et al.
patent: 5519759 (1996-05-01), Heineck et al.
patent: 5530704 (1996-06-01), Gibbons et al.

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