Performance Evaluation of Integrated XG-PON and IEEE 802.11ac based EDCA Networks

The increase in demand for multimedia services and real-time applications has led to the increasing deployment of telecommunication services all over the world. However, this also necessitates the requirement for the enhanced performance in the quality of service (QoS) parameters of the network, such as throughput, packet loss rate (PLR), and end-to-end delay. In this paper, we investigate an integrated fiber-wireless (FiWi) network composed of a 10-Gigabit-capable passive optical network (XG-PON) and IEEE 802.11ac based wireless local area network (WLAN). The paper aims to enhance the throughput of the FiWi network such that each user is granted an uplink bandwidth of 100 Mbps. At the optical line terminal (OLT), the deficit dynamic bandwidth allocation (DBA) algorithm is incorporated to provide the necessary QoS at the users. It has been shown through intensive simulations that the proposed work is able to achieve an improvement in the QoS parameters like average throughput, end-to-end delay, PLR, and aggregate throughput within an acceptable range of International Telecom Union-Telecommunication Standardization Sector (ITU-T) standards.