Document Type

Conference Proceeding

Publisher

IEEE Press

Faculty

Computing, Health and Science

School

Engineering, Centre for Communications Engineering Research

RAS ID

6022

Comments

This article was originally published as: Ahmad, I. , & Habibi, D. (2008). A Proactive Forward Error Control Scheme for Mobile WiMAX Communication. Proceedings of 11th IEEE Singapore International Conference on Communication Systems, 2008. ICCS 2008. (pp. 1647-1649). China. IEEE Press. Original article available here

© 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Abstract

The IEEE 802.16 standard, also known as WiMAX, has yet to prove its effectiveness when the end terminals are not static and free to move at vehicular speeds. High bit error rate caused by multipath fading at high vehicular speeds, is the key reason for low throughput at high speeds. Standard error control mechanisms like transmission control protocol (TCP) and forward error correction (FEC) have limited impact on the overall throughput at vehicular speeds. In this paper, we propose a proactive FEC scheme that adjusts the FEC code size based on the estimated bit error rate at various vehicular speeds. We show a mathematical model to estimate the bit error rate in WiMAX communication. We then propose a FEC scheme to proactively compute the FEC code size. We simulated the proposed scheme for a centralized video surveillance system in a public train where the train is the mobile node and sends real-time video data to the base stations. The results show that the proposed scheme achieves significantly higher throughput and lower jitter compared to existing schemes.

DOI

10.1109/ICCS.2008.4737461

Access Rights

free_to_read

 
COinS
 

Link to publisher version (DOI)

10.1109/ICCS.2008.4737461