Patent ID: 9215057
Filing Date: 2015-12-15
Classification: H04B,H04L,H04W

Abstract:
1. A method, in a radio base station connected to an associated relay node, for controlling the relay node with regards to subframes available for the radio base station for downlink transmission, the method comprising: detecting that at least a part of said available subframes are not needed for downlink transmission to the relay node, un-reserving at least one of said not needed subframes; transmitting, to the relay node, a release notification message notifying the relay node of the unreserved subframes for enabling the relay node to use the unreserved subframes for downlink transmission; said detecting comprises receiving a request from the relay node for releasing subframes to be available for the relay node for downlink transmission; starting a Subframe Release, SR, timer; and when one of said SR timer expires and an indication is received from said relay node indicating that the relay node no longer requires release of subframes, scheduling the available downlink subframes for downlink transmission.