Multiplex communications – Wide area network – Packet switching
Patent
1990-10-31
1992-08-18
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
455231, 455 9, H04J 316
Patent
active
051405890
ABSTRACT:
In a communications system, a base station has a memory for storing interval control values representative of time-varying traffic pattern of the communications system. A time-keeping circuit recalls a stored interval control value from the memory according to different time of day and a battery-saving command signal is sent from the base station at variable intervals as a function of the value recalled from the memory. Power supplies of a remote station are interrupted for a constant brief interval in response to the battery-saving signal, so that the remote station is powered for a shorter interval during a light traffic period and for a longer interval during a heavy traffic period. In a preferred embodiment, traffic data is automatically collected from the communications system and the stored interval control values are updated according to the collected traffic data.
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patent: 4577315 (1986-03-01), Otsuka
patent: 4713809 (1987-12-01), Miyota
patent: 4794649 (1988-12-01), Fujiwara
patent: 4804954 (1989-02-01), Macnak et al.
patent: 4860005 (1989-08-01), DeLuca et al.
patent: 4978944 (1990-12-01), Andros et al.
NEC Corporation
Olms Douglas W.
Samuel T.
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