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Title |
Impact of Beamforming and Interference on the Average Throughput of IEEE 802.11ac in a Typical Home Environment |
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Author |
Elfadil Sabeil and Zawar Shah |
| Citation |
Vol. 18 No. 11 pp. 1-9 |
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Abstract |
In this research, we carry out experiments to determine the impact of beamforming on the average throughput of IEEE 802.11ac in a residential home environment. Our results show that the beamforming provides significant gain in average throughput of IEEE 802.11ac at distances close to the router However, beamforming does not provide any significant gain in average throughput at large distances (more than 12m in our experimental test bed). Another important feature of our work is to study the co-existence of both IEEE 802.11ac and IEEE 802.11n in a typical home environment. We carry out experiments in a real home environment to quantify the impact of Co-Channel Interference (CCI) and Adjacent Channel Interfere (ACI) caused by IEEE 802.11n (at channel widths of 20MHz and 40MHz) on the average throughput of IEEE 802.11ac. We found that CCI and ACI caused with 40MHz channel width severely deteriorates the average throughput of IEEE 802.11ac compared to CCI and ACI caused with the channel width of 20MHz. Our results reveal that in a typical residential environment, IEEE 802.11ac should be deployed with IEEE 802.11n operating at channel width of 20MHz in order to get maximum benefit of high average throughput provided by IEEE 802.11ac. |
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Keywords |
IEEE 802.11ac, IEEE 802.11n, Beamforming, Channel Width, Co-Channel Interference, Adjacent Channel Interference. |
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