Improved Bandwidth Allocation based on History in BWA Networks

Abstract

Abstract: WiMAX is a wireless technology that supports several applications. To efficiently assign resources to different kinds of traffic, Bandwidth Allocation (BA) module is included in MAC layer. The key goal is to reduce delay and make efficient use of available frame space, thereby reducing Information Element (IE) overheads. In this paper, Bandwidth Allocation based on History (BAH) is proposed for allocating bursts in WiMAX networks. BAH scheme focuses on assigning bandwidth depending on Expended as well as Fairness levels. Performance of the propounded mechanism is analyzed based on Throughput, Packet Loss Ratio (PLR) and Average Delay.

Index Terms: WiMAX, bandwidth, Expended and Fairness levels