Patent ID: 7991436
Filing Date: 2011-08-02
Classification: H04W,Y02D

Abstract:
1. A method for effecting power saving in a subscriber's device associated with a wireless network which comprises a base station and at least said subscriber device, and wherein said subscriber's device is operative to simultaneously receive at least two different services each of which is characterized by one or more characteristics related to traffic demands associated with that service, which method comprises: classifying each of said at least two different services based on their traffic demand related characteristics, into corresponding power saving classes, provided that there are at least two different simultaneously active power saving classes associated with said at least two different services; for each of said power saving classes, determining required listening windows and required sleep windows; determining unavailability periods of time for said subscriber's device during which no communications will be exchanged between said base station and said subscriber's device, such that the unavailability windows are determined based on a combination of the sleep windows of said at least two simultaneously active power saving classes; exchanging messages between said base station and said subscriber's device for synchronizing parameters for carrying out a power saving procedure to be associated with said at least two different simultaneously received services; and activating said power saving procedure in said subscriber's device based upon said synchronized parameters.