Abstract
Service interruptions from mobility events, such as handovers and connection failures, are some of the major impairments for fulfilling the ultra-reliability requirements in fifth Generation (5G) mobile networks. One of the solutions to tackle the aforementioned challenges is multi-connectivity with Single Frequency Network (SFN) transmission, which refers to noncoherent joint transmission of a signal on the same radio resource in frequency and time. This paper investigates the impact of cyclic prefix configuration on user mobility performance using multiconnectivity with SFN transmission. The performance evaluation is carried out with respect to the number of connection failures, 5-%ile and average throughput. Simulation results have shown that, for a sufficiently long cyclic prefix duration, the multiconnectivity scheme can fully resolve connection failures, and improve 5-%ile and average throughput by around 33% and 9%, respectively, compared to single connectivity.
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