Patent ID: 8027683
Filing Date: 2011-09-27
Classification: H04W

Abstract:
1. A communication system comprising: a first radio network supporting a first air interface and a second radio network supporting a second air interface; wherein the first radio network comprises: means for determining that a handover attempt to the second radio network should be attempted for a first remote station supported by the first radio network, transmitting means for transmitting, in response to the determining handover attempt to the second radio network should be attempted, a handover request message for the first remote station to the second radio network; and the second radio network comprises: means for receiving the handover request message, means for receiving a handover preference message for the first remote station, the handover preference message comprising a preference indication for a radio network, means for determining a load indication for the second radio network, threshold means for determining a handover load threshold for the first remote station in response to the preference indication, means for determining whether to accept a handover of the first remote station in response to a comparison of the load indication and the handover load threshold, wherein if it is determined based on the load indication that a load for the second radio network exceeds the handover load threshold, the handover is rejected by the second radio network.