Patent ID: 8179858
Filing Date: 2012-05-15
Classification: H04W

Abstract:
1. A method of controlling cell re-selection of a mobile station between cells of a cellular-based radio access network, the method comprising the steps of: determining, within the radio access network, when cell re-selection for the mobile station is appropriate; determining whether the mobile station is involved in a packet-switched push-to-talk service comprising a series of talk bursts, by inspecting, at a Base Station Controller, a Quality of Service profile for the ongoing packet-switched session; when the mobile station is involved in the push-to-talk service, delaying cell re-selection until such time as a period of silence between talk bursts occurs, or the ongoing talk burst reaches a defined timer value; and instructing immediate cell re-selection in the event that the ongoing talk burst continues beyond the defined timer value; wherein the timer value is defined based upon one of: