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- W1979895872 abstract "Currently, the different wireless technologies available allow users to access the Internet under the always paradigm. Therefore, switching from one wireless technology to another, a process known as vertical handover, is often required. It is very important for vertical handover agents to know the performance of each candidate wireless network in order to switch into a network that fulfills the applications' requirements. In this work we present a performance evaluation of the main wireless technologies currently in use by mobile devices: Wi-Fi, WiMAX and UMTS. In our set of experiments we tested various schemes with different parameters for each technology, including modulation and channel bandwidth. Using the Network Simulator ns-2, we evaluate the performance of each network technology under different network congestion conditions. Results show that each technology offers different data rates, depending on the selected parameters. Moreover, we found that bandwidth availability status becomes of utmost importance for successful vertical handover." @default.
- W1979895872 created "2016-06-24" @default.
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- W1979895872 date "2010-10-20" @default.
- W1979895872 modified "2023-09-25" @default.
- W1979895872 title "Evaluating the performance boundaries of WI-FI, WiMAX and UMTS using the network simulator (ns-2)" @default.
- W1979895872 cites W2170529821 @default.
- W1979895872 doi "https://doi.org/10.1145/1868612.1868618" @default.
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