Patent ID: 7804812

Claim:
A method for controlling transmission errors in a network comprising at least one transmitter, at least one receiver, a Radio Resource Management (RRM) unit for allocating transmission resource dedicated to said transmitter and/or receiver, and a FeedBack (FBK) function comprising a transmitter FBK instance and a receiver FBK instance for managing transmission of feedback information which is transmitted by the receiver to the transmitter to indicate transmission errors, said method comprising the following steps: a) said transmitter FBK instance transmits Protocol Data Units (PDUs) to said receiver FBK instance; b) said FBK function monitors transmission errors on the receiver FBK instance side and/or on the transmitter FBK instance side to determine a transmission quality level out of a set of given transmission quality levels; c) said FBK function selects one feedback operational mode out of a predetermined list of feedback operational modes based on said determined transmission quality level, each one of said feedback operational modes defining a feedback resource allocation scheme for said transmitter FBK instance and said receiver FBK instance; d) said receiver FBK instance transmits to said transmitter FBK instance feedback information via a resource allocated based on said selected feedback operational mode; wherein the list of feedback operational modes comprises a Reduced Feedback resource Allocation (RFA) feedback operational mode and a Normal Feedback resource Allocation (NFA) feedback operational mode, wherein the set of transmission quality levels comprises a low quality level and a high quality level, wherein, at step c), said RFA feedback operational mode is selected in case of a high quality level transmission and said NFA feedback operational mode is selected in case of a low quality level transmission.