Patent ID: 8014813

Claim:
A method for controlling transmission of feedback of mobile terminals receiving, via an air interface of a mobile communication system, a multicast or broadcast service transmitted or forwarded by a feedback control entity of the mobile communication system, the method being performed by at least one of the mobile terminals to reduce uplink traffic in the mobile communication system and comprising: receiving the multicast or broadcast service via a unidirectional downlink channel using an unreliable transport protocol and using Real Time Protocol (RTP), receiving a parameter comprising a probability value based on which the mobile terminal decides whether to provide feedback to the feedback control entity, deciding whether or not to provide the feedback for the multicast or broadcast service to the feedback control entity based on the received parameter, establishing a bearer for providing feedback to the feedback control entity only in case the deciding step comprises a decision to provide the feedback, and transmitting the feedback, wherein the feedback indicates reception statistics of said multicast or broadcast service, to the feedback control entity via said established bearer.