Performance Evaluation of IEEE 802.11ac and 802.11n using NS3

N  S  Ravindranath; Inder Singh; Ajay Prasad   and V  S  Rao

doi:10.17485/ijst/2016/v9i26/93565

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Performance Evaluation of IEEE 802.11ac and 802.11n using NS3

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2016/v9i26/93565

Year: 2016, Volume: 9, Issue: 25, Pages: 1-9

Original Article

Performance Evaluation of IEEE 802.11ac and 802.11n using NS3

N. S. Ravindranath^{1 *}, Inder Singh¹ , Ajay Prasad¹ and V. S. Rao²

¹University of Petroleum and Energy Studies, [email protected]
[email protected]
[email protected]
²ECE Department, [email protected]
*Author for correspondence
Ravindranath
University of Petroleum and Energy Studies,
Email:[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: In this paper, the performance parameters in the WLANs are discussed and we evaluate the superior performance of the new IEEE 802.11ac standard with respect to 802.11n. Methods/Analysis: NS3 is an open source network simulator, the latest version of which (ns-3.24.1) has been appended with features to support 802.11ac. Simulations are performed in NS3 to demonstrate the superior performance of the new 802.11ac standard with respect to 802.11n. Features verified are channel bonding, guard interval and MCS while performance is measured with parameters such as jitter, throughput and delay. Findings: IEEE 802.11ac is a Very High Throughput (VHT) WLAN standard that can achieve data rates in the order of 7 Gbps in the 5 GHz band. This has been achieved by enhancing the features in the earlier IEEE 802.11n standard in the MAC and PHY layers. The simulations reveal improvement in throughput, delay and jitter performance with usage of increased bandwidths.
Keywords: Delay, Jitter, NS3, 802.11n, 802.11ac, Throughput, WLAN