Abstract
In this paper, we propose a banyan-tree topology for the wireless coverage along the road or railway, which is characterized as a zonal network. Theoretical analysis and numerical studies show that the proposed ban-yan-tree topology is appropriate for the zonal network with the Wireless Mesh Network (WMN) technology, which is feasible to deploy and has the enhanced robust, improved bandwidth with this topology.
Highlights
While the population of Internet users in China has reached 338 millions by June 2009 [1], 26.8 billion passengers on road [2] and 1.46 billion on railway [3] spend billions of unproductive hours during their traveling, showing that it is the demand to promote the transportation service quality, and a great potential market for the Internet services on the fleeting car [4]
We propose a banyan-tree topology for the wireless coverage along the road or railway, which is characterized as a zonal network
Theoretical analysis and numerical studies show that the proposed banyan-tree topology is appropriate for the zonal network with the Wireless Mesh Network (WMN) technology, which is feasible to deploy and has the enhanced robust, improved bandwidth with this topology
Summary
While the population of Internet users in China has reached 338 millions by June 2009 [1], 26.8 billion passengers on road [2] and 1.46 billion on railway [3] spend billions of unproductive hours during their traveling, showing that it is the demand to promote the transportation service quality, and a great potential market for the Internet services on the fleeting car [4]. Several topologies have been put into trial implementation for the ZWC with WiFi. Among them, the star topology was found almost infeasible since too many cables are require, and the bus topology is infeasible because the multi-hop Wireless Mesh Network (WMN) is too weak [9,10]. As an improvement of the splitting scheme, our approach lets the packets to be forwarded via a most reliable path in the zonal network, in which all the nodes are connected one by one with wireless link, while a number of portals are deployed to the wired network. To overcome the bandwidth problem which is reported in references [11,12], i.e., the bandwidth dramatically decreased as 1/n even 1 2n in multi-hop WMN, the multi-interface mesh node structure is introduced and it is found that the banyan-tree topology has an improved bandwidth in ZWC.
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