In this paper we extend the base station (BS)
assignment problem to incorporate backhaul related constraints
into the assignment decision. This is motivated by the fact that
the deployment of more spectral efficient radio access
technologies are currently imposing stringent bandwidth
requirements at cell sites, and there is a growing concern that
backhaul network can become a new network bottleneck in
certain deployment scenarios. Unlike existing assignment
approaches, we propose a BS assignment algorithm envisioned as
a suitable technique capable to cope, at some extent, with possible
backhaul congestion situations in OFDMA-based systems.
Simulation results demonstrate that the proposed algorithm can
provide the same system capacity with less backhaul resources so
that, under backhaul bottleneck situations, a better overall
network performance is effectively achieved.
CitationGaleana, H.; Ferrus, R. Enhanced base station assignment approach for coping with backhaul constraints in OFDMA-based cellular networks. A: European Wireless Conference. "16th European Wireless Conference". Lucca: 2010, p. 254-260.
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