Telecommunications – Transmitter and receiver at separate stations
Patent
1991-08-05
1995-01-03
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
455 341, 455 342, 455 561, 455 62, H04B 1500
Patent
active
053794486
ABSTRACT:
A digital communication network has a plurality of remote terminals (RTs) which communicate with a plurality of base stations (BSs) by radio links operating at a single frequency. Each RT monitors the signal strengths of outbound messages and keeps an ordered table indicating which BSs produce the highest strength signals. At sign-on, an RT sends a message to the BS at the top of the list. The message includes the first predetermined number of entries at the top of the list. Each BS monitors the number of RTs it can hear and the number of users attached to each BS. The BS to which the sign-on message is sent then decides on the basis of signal strength, number of users attached, and BS coverage which BS should be attached to the particular RT and then notifies a communications controller. Such decision thus levels the workload. Each RT monitors errors and requests re-evaluation of attachment when the error rate for the BS to which it is attached exceeds a predetermined value.
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Ames Richard N.
Kludt Thomas W.
Moore Victor S.
Eisenzopf Reinhard J.
Faile Andrew
Grosser George E.
International Business Machines
McKechnie Douglas R.
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