SINR-based Network Selection for Optimization in Heterogeneous Wireless Networks (HWNs)
DOI:
https://doi.org/10.5614/itbj.ict.res.appl.2015.9.2.3Abstract
To guarantee the phenomenon of "Always Best Connection" inheterogeneous wireless networks, a vertical handover optimization is necessaryto realize seamless mobility. Received signal strength (RSS) from the userequipment (UE) contains interference from surrounding base stations, whichhappens to be a function of the network load of the nearby cells. An expressionis derived for the received SINR (signal to interference and noise ratio) as afunction of traffic load in interfering cells of data networks. A better estimate ofthe UE SINR is achieved by taking into account the contribution of inter-cellinterference. The proposed scheme affords UE to receive high throughput withless data rate, and hence benefits users who are located far from the base station.The proposed scheme demonstrates an improved throughput between the servingbase station and the cell boundary.
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