Research on Multi-homing Based Mobile Networks on Trains
Hongke Zhang · Journal of the China Railway Society · 2009
With regard to providing high-speed seamless Internet services for passengers on moving trains,this paper analyzes the special characters of mobile networks on trains and the wireless environment along the railways and proposes a multi-homing train mobile network system.Mobile routers with multiple wireless outboard interfaces and wire/wireless inboard interfaces are consructured.The technic for implementing stream discribution and load balance at different outboard interfaces is established via tactical configuration and real-time monitoring of the network status.A self-determined scheme for selecting the primary mobile router is designed to ensure that multiple mobile routers can work together effectively.Simulation results indicate that the proposed system can improve the available bandwidths of the mobile networks on trains,decrease the traffic jitters caused by train movement and provide a faster and more stable Internet accessing services for passengers.