Patent ID: 9143980
Filing Date: 2015-09-22
Classification: H04W

Abstract:
1. A method in a communication network node for optimizing radio resource utilization for a group call for members of a specific broadcast group in a communication network system, comprising communication network nodes broadcasting a group call over a radio interface on downlink and uplink radio bearers to a plurality of user equipments each of which is associated with one of said members of the specific broadcast group, wherein the method comprises the steps of: assigning one or more dedicated radio bearers to high priority talking members of said specific broadcast group for the group call; establishing a shared downlink radio bearer for low priority listening members of said specific broadcast group for the group call; assigning said low priority listening members of said specific broadcast group to said shared downlink radio bearer; and changing the assignment of at least one low priority listening member from the shared downlink radio bearer to the one or more dedicated radio bearers when the at least one low priority listening member of said specific broadcast talks on the group call.