Exploiting Multi-homing in Hyper Dense LTE Small-Cells Deployments

TitreExploiting Multi-homing in Hyper Dense LTE Small-Cells Deployments
Publication TypeConference Paper
Year of Publication2016
AuthorsWalid, A, Sabir, E, Kobbane, A, Taleb, T, Koutbi, MEl
PublisherIEEE; IEEE Commun Soc
ISBN Number978-1-4673-9814-5

It is expected that in two-tier LTE heterogeneous networks, an extensive deployment of small cell networks (SCNs) will take place in the near future, especially in dense urban zones; hence a hyper density of SCNs randomly distributed within macro cell networks (MCNs) will emerge with many overlapping zones of neighboring SCNs. Therefore, the problems of interferences in co-channel deployment will be more complicated and then the overall throughput of downlink will substantially decrease. In order to mitigate the effect of interferences in a hyper density of SCNs scenarios, a solution based on a fully distributed algorithm for sharing time access to SCNs and multi-homing capabilities of macro cellular users is proposed to improve the overall data rate of downlink and at the same time to satisfy QoS throughput requirements of macro and home cellular users. Our tentative scheme will also reduce the signaling overhead due to the absence of coordination among small base stations (SBSs) and macro base station (MBS). Results validate our solution and show the improvement attained in a hyper density of SCNs within MCNs compared to open, closed and shared time access mechanisms based on single network selection.




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