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This paper proposes an analytical model for performance evaluation of Cellular-WLAN Heterogeneous Networks (HetNets) based on Continuous Time Markov Chain (CTMC) for variable-bit-rate (VBR) data services. This model considers system specific overheads and limitations such as limited number of supported modulation and coding scheme (MCS) of each network. Moreover, this model includes the traffic density...
Several techniques such as carrier aggregation (CA) and cognitive radio (CR) have been proposed to achieve high data rates to meet the demand of future wireless communication systems. Those techniques pose a strict adjacent channel interference (ACI) requirement. However, currently employed orthogonal frequency division multiplexing (OFDM) systems suffer from significant spectrum leakage and require...
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