Opportunistic Routing Protocol for Ad-Hoc Networks Using mmWave and Random Beamforming

Self-organized networks (SONs) have been studied for many years, and have attracted many researchers due to their substantial applications. Although their performance in the lower frequency band networks (sub-6 GHz band) has been well studied, there are only sparse studies on SON in higher frequency bands, such as the millimeter wave (mmWave) band ranges between 28 GHz and 300 GHz. mmWave frequencies have attracted much attention recently because of their unique features, and being an important part of the next generation of wireless communications namely (5G). In this paper, we suggest a new routing protocol for mobile ad-hoc networks that use mmWave by utilizing its directional antennas, limited transmission range, and the random beamforming technique. The main goal of the proposed protocol is to increase the network throughput, reduce the delay, and mitigate the effect of the interference of concurrent communicating nodes. Mathematical analysis of the network per hop achievable throughput, expected interference, and average delay per hop has been carried out. Multiple realistic simulations scenarios have been conducted to confirm the analytical results and prove the advantages of the proposed protocol.