QoS-Aware Path Selection for Multi-Homed Mobile Terminals in Heterogeneous Wireless Networks

In the heterogeneous wireless networks, the optimal network selection problem is one of the key issues. QoS aware path selection scheme is proposed in this paper, which estimates required bandwidth ratio based on the QoS requirements of target service and the SINR of each path. The proposed scheme can select the optimal path which can satisfy the QoS requirements among many heterogeneous wireless networks that change dynamically. The proposed scheme can also support multiple path selection as well as single path selection.