Energy saving protocol for a communication system

Details Energy saving protocol for a communication system Energy saving protocol for a communication system

1991-03-06

1992-07-07

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

34082544, 455343, H04B 116, G08B 522

Patent

active

051289385

ABSTRACT:
A centralized communication system controller (102) measures and stores a historical record of each subscriber unit's communication activity. By examining this historical record, the controller predicts the subscriber unit's communication activity over a future time interval. A code based upon this prediction is transmitted to the subscriber unit (110), which causes the subscriber unit to enter an energy saving mode and deactivate (208) non-essential circuits for a time period represented by the code. In this way, the duration of the "sleep" interval may be optimally varied based upon the subscriber unit's communication history. In another aspect of the invention, unexpected messages for a subscriber unit in the energy saving mode are stored (114) electronically until the conclusion of the "sleep" interval. This message storing function enhances system efficiency when the subscriber unit's communication history does not correlate with actual commuication traffic.

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