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CAPACITY OF HYBRID WIRELESS MESH NETWORKS
WITH RANDOM APS
ABSTRACT:
This paper proposes hybrid WMN architecture that the backbone is able to utilize random
connections to Access Points (APs) of Wireless Local Area Network (WLAN). In such a
proposed hierarchal architecture, capacity enhancement can be achieved by letting the traffic
take advantage of the wired connections through APs.
Theoretical analysis has been conducted for the asymptotic capacity of three-tier hybrid WMN,
where per-MR capacity in the backbone is first derived and per-MC capacity is then obtained.
Besides related to the number of MR cells as a conventional WMN, the analytical results reveal
that the asymptotic capacity of a hybrid WMN is also strongly affected by the number of cells
having AP connections, the ratio of access link bandwidth to backbone link bandwidth, etc.
APs configuration of the network can drastically improve the network capacity in our proposed
network architecture. It also shows that the traffic balance among the MRs with AP access is
very important to have a tighter asymptotic capacity bound. The results and conclusions justify
the perspective of having such a hybrid WMN utilizing widely deployed WLANs.