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Heterogeneous network systems were proposed to cope with explosively increased data traffic in wireless communications networks. In heterogeneous networks, small cells are additionally deployed to offload the data traffic of a macrocell, which results in highly improved data traffic capacity. Locational property of small cells affects the capacity of small cell networks significantly. In this paper,...
In integrated WLAN and cellular networks, we propose a power saving scheme that completely turns off WLAN interface in the idle state and wakes it up when there is incoming data from long-lived traffic. We also develop a Mobile IPv6 (MIPv6)-based signaling to turn on the WLAN interface only for long-lived traffic. It is shown via simulations that the proposed power saving scheme improves power efficiency...
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