Title:
On_Optimizing_Gateway_Placement_for_Throughput_in
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Description: An innovative gateway placement scheme is
proposed for wireless mesh networks (WMNs) in this paper. It
determines the location of a gateway based on a new
performance metric called multi-hop traffic-flow weight
(MTW). The MTW computation takes into account many
factors that impact the throughput of WMNs, i.e., the number
of mesh routers, the number of mesh clients, the number of
gateways, traffic demand from mesh clients, locations of
gateways, and possible interference among gateways. Thus, the
proposed gateway placement scheme provides a framework of
significantly improving throughput of WMNs through proper
placement of gateways. To evaluate the performance of the new
gateway placement scheme, a non-asymptotic throughput of
WMNs is derived by considering TDMA scheduling. The
derivations also provide a guideline for designing scheduling
schemes of WMNs. Numeric results show that the proposed
gateway placement scheme constantly outperforms other
schemes by a large margin.
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