Received Signal Strength History Based Handoff Scheme in Public Wi-Fi Networks 


Vol. 43,  No. 7, pp. 1074-1083, Jul.  2018
10.7840/kics.2018.43.7.1074


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  Abstract

In Wi-Fi networks, a station performs a handoff to another access point (AP) if the received signal strength (RSS) becomes lower than a specific threshold. In the conventional handoff scheme, the station scans all the Wi-Fi frequency channels in order to find the target AP with the highest RSS when the RSS is less that a specific threshold. However, the conventional handoff scheme chooses the target AP without the consideration of the channel fading and the moving direction of the station. This paper proposes a RSS history-based handoff scheme in public Wi-Fi networks. In the proposed Wi-Fi handoff scheme, the station periodically collects the RSS from the neighboring APs and, on the basis of the RSS history, it chooses a target AP that maximizes the throughput. The simulation results show that the proposed Wi-Fi handoff scheme improves the average throughput of the public Wi-Fi networks in comparison with the conventional Wi-Fi handoff schemes.

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  Cite this article

[IEEE Style]

G. Choi, S. Kim, J. So, "Received Signal Strength History Based Handoff Scheme in Public Wi-Fi Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 7, pp. 1074-1083, 2018. DOI: 10.7840/kics.2018.43.7.1074.

[ACM Style]

Giwook Choi, Sunkyung Kim, and Jaewoo So. 2018. Received Signal Strength History Based Handoff Scheme in Public Wi-Fi Networks. The Journal of Korean Institute of Communications and Information Sciences, 43, 7, (2018), 1074-1083. DOI: 10.7840/kics.2018.43.7.1074.

[KICS Style]

Giwook Choi, Sunkyung Kim, Jaewoo So, "Received Signal Strength History Based Handoff Scheme in Public Wi-Fi Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 7, pp. 1074-1083, 7. 2018. (https://doi.org/10.7840/kics.2018.43.7.1074)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880