Research Area:  Vehicular Ad Hoc Networks

Abstract:

Next-generation networks will pave the way for video distribution over vehicular Networks (VANETs), which will be composed of ultra-dense heterogeneous radio networks by considering existing communication infrastructures to achieve higher spectral efficiency and spectrum reuse rates. However, the increased number of cells makes mobility management schemes a challenging task for 5G VANET, since vehicles frequently switch among different networks, leading to unnecessary handovers, higher overhead, and ping-pong effect. In this sense, an inefficient handover algorithm delivers videos with poor Quality of Experience (QoE), caused by frequent and ping-pong handover that leads to high packets/video frames losses. In this article, we introduce a multi-criteria skipping-based handover algorithm for video distribution over ultra-dense 5G VANET, called Skip-HoVe. It considers a skipping mechanism coupled with mobility prediction, Quality of Service (QoS)- and QoE-aware decision, meaning the handovers are made more reliable and less frequently. Simulation results show the efficiency of Skip-HoVe to deliver videos with Mean Opinion Score (MOS) 30% better compared to state-of-the-art algorithms while maintaining a ping-pong rate around 2%.

Keywords:  

Author(s) Name:  Allan Costa,Lucas Pacheco,Denis Rosário,Leandro Villas,Antonio A.F. Loureiro,Eduardo Cerqueira

Publisher name:  ELSEVIER

DOI:  10.1016/j.comnet.2020.107252

Volume Information:  Volume 176, 20 July 2020, 107252

Paper Link:   https://www.sciencedirect.com/science/article/abs/pii/S1389128620302188