Downlink performance of a relay-enhanced mobile WiMAX networks

Waheb A. Jabbar, Mahamod Ismail, Jamil Sultan, H. Mohamad

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Mobile WiMAX is based on IEEE 802.16e standard to provide fixed and mobile broadband wireless access from anywhere within the metropolitan area network (MAN). Multi-hop relaying is a cost-effective approach to significantly extend the coverage and enhance the throughput and capacity of the WiMAX networks. In this paper, we evaluate the downlink (DL) performance of a relay-enhanced WiMAX networks. The effect of the number of implemented relay stations (RSs) on the performance of the mobile WiMAX networks is studied and evaluated. The performance evaluation is carried out using a system-level simulation developed in MATLAB software. The performance evaluation metrics are the average DL carrier-to-interference-and-noise ratio (CINR) and the average DL spectral efficiency. Evaluation results show that as the number of RSs is increased, the performance of the mobile WiMAX is significantly improved. However, in the scenario in which 4 RSs are deployed, the maximum achieved average DL CINR and the average DL spectral efficiency gains are 11.58 dB and 115.44%, respectively, compared to the scenario without RS.

Original languageEnglish
Title of host publication7th International Conference on Information Technology and Application, ICITA 2011
Pages234-238
Number of pages5
Publication statusPublished - 2011
Event7th International Conference on Information Technology and Application, ICITA 2011 - Sydney, NSW
Duration: 21 Nov 201124 Nov 2011

Other

Other7th International Conference on Information Technology and Application, ICITA 2011
CitySydney, NSW
Period21/11/1124/11/11

Fingerprint

Wireless networks
Metropolitan area networks
MATLAB
Throughput
Costs

Keywords

  • Fixed relay station
  • IEEE 802.16j
  • Mobile multi-hop relay
  • WiMAX

ASJC Scopus subject areas

  • Computer Science(all)

Cite this

Jabbar, W. A., Ismail, M., Sultan, J., & Mohamad, H. (2011). Downlink performance of a relay-enhanced mobile WiMAX networks. In 7th International Conference on Information Technology and Application, ICITA 2011 (pp. 234-238)

Downlink performance of a relay-enhanced mobile WiMAX networks. / Jabbar, Waheb A.; Ismail, Mahamod; Sultan, Jamil; Mohamad, H.

7th International Conference on Information Technology and Application, ICITA 2011. 2011. p. 234-238.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jabbar, WA, Ismail, M, Sultan, J & Mohamad, H 2011, Downlink performance of a relay-enhanced mobile WiMAX networks. in 7th International Conference on Information Technology and Application, ICITA 2011. pp. 234-238, 7th International Conference on Information Technology and Application, ICITA 2011, Sydney, NSW, 21/11/11.
Jabbar WA, Ismail M, Sultan J, Mohamad H. Downlink performance of a relay-enhanced mobile WiMAX networks. In 7th International Conference on Information Technology and Application, ICITA 2011. 2011. p. 234-238
Jabbar, Waheb A. ; Ismail, Mahamod ; Sultan, Jamil ; Mohamad, H. / Downlink performance of a relay-enhanced mobile WiMAX networks. 7th International Conference on Information Technology and Application, ICITA 2011. 2011. pp. 234-238
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