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This paper addresses an energy-efficiency (EE) maximized resource allocation (RA) problem for cooperative orthogonal frequency division modulation (OFDM) transmission, when the system's total power consumption (including the circuit power and transmission power) is limited below a peak value. The improved DF relaying protocol proposed in [1] is used with optimized subcarrier pairing. The EE is evaluated...
This paper considers a multi-cell relay aided orthogonal frequency division multiple access (OFDMA) downlink system, in which all stations are coordinated by a central controller for resource allocation (RA). The decode-and-forward (DF) protocol with selection relaying (SR) is applied. The problem considered is the maximization of the weighted sum of per cell min-rate (WSMR) with a total power constraint...
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