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Interference of simulated IEEE 802.11 links with directional antennas | IEEE Conference Publication | IEEE Xplore

Interference of simulated IEEE 802.11 links with directional antennas


Abstract:

WiFi-based Long Distance (WiLD) networks have emerged as a promising alternative approach for Internet in rural areas. The main hardware components of these networks are ...Show More

Abstract:

WiFi-based Long Distance (WiLD) networks have emerged as a promising alternative approach for Internet in rural areas. The main hardware components of these networks are commercial off-the-shelf WiFi radios and directional antennas. During our experiences with real-world WiLD networks, we encountered that interference among long-distance links is a major issue even with high gain directional antennas. In this work, we are providing an in-depth analysis of these interference effects by conducting simulations in ns-3. To closely match the real-world interference effects, we implemented a module to load radiation pattern of commonly used antennas. We analyze two different interference scenarios typically present as a part of larger networks. The results show that side-lobes of directional antennas significantly influence the throughput of long-distance WiFi links depending on the orientation. This work emphasizes that the usage of simple directional antenna models needs to be considered carefully.
Published in: 2017 Wireless Days
Date of Conference: 29-31 March 2017
Date Added to IEEE Xplore: 04 May 2017
ISBN Information:
Conference Location: Porto, Portugal

References

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