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We consider a downlink OFDMA in which users may have different rate requirements and a base station would like to maximize user rate over subcarrier assignment (SA) and power allocation (PA). To attain that objective, we propose suboptimal chunk-based SA and PA algorithms that are less complex and perform better than existing suboptimal schemes. Numerical results show that in certain example the proposed...
This paper focuses on the resource allocation within an asynchronous ad hoc network that utilizes two different modulation techniques: orthogonal frequency-division multiplexing (OFDM) and filter bank based multicarrier (FBMC). More specifically, we investigate the problem of downlink sum rate maximization. The NP-hard formulation is first decomposed into two subproblems in order to decrease the computational...
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