Importance

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Abstract

Method and arrangement for operating a communication system for communication between a central station (10) and one or a plurality or remote objects (20 to 25), as well as such an object, wherein at least one object is operated in a battery saving mode in which it is switched alternatively between a wake period for conducting communication between the object and the central station and a sleep period in which communication is inactive. Each object is designated a predetermined first time (t.sub.0) and a time interval (Dt), wherein each object initiates the wake periods at times t.sub.0+n (Dt) with n=0, 1, 2, ... and wherein the time interval is longer than the wake period.

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First Claim