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Two main parameters influence the performance of Handover (HO) in Cellular systems, the Hysteresis (Hys) and the Time-To-Trigger (TTT). In Self-Organized Networks (SON) as has been proposed for LTE, the SON methods configure and optimize these two parameters to optimize HO performance. In this paper, we model the LTE HO procedure and propose an algorithm for self-configuration of the two HO trigger...
In LTE Release-8, Multi-user MIMO (MU-MIMO) in the uplink direction is supported with improvement of LTE spectrum efficiency. The further enhancement of uplink reference signal in LTE Release-10 guarantees the bandwidth allocation flexibility and orthogonality of uplink MU-MIMO application in LTE networks. In this paper, the practical MU-MIMO scheduling flow is described and several utilized MU-MIMO...
Cooperative multi-point (CoMP) systems have been identified as a key technology to combat inter-cell interference (ICI), the major source of performance degradation in 4G cellular networks. Due to practical constraints such as backhaul network limitations, the subset of base stations (BS) that should cooperate within the same CoMP cluster must be carefully selected. In this paper we present a decentralized...
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