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Energy efficiency (EE) has become a critical metric for the next generation mobile networks. Scheduling plays a key role for offering not only spectral efficient but also energy efficient operation in mobile networks. In this paper, we address the problem of EE scheduling for the downlink of a two-tier Heterogeneous Network (HetNet) with orthogonal frequency division multiple access (OFDMA). Contrary...
Energy efficiency (EE) is considered as a key enabler for the next generation of communication system. Equally, scheduling is an important aspect for efficient and reliable communication in multi-user system. In this paper, we propose a low-complexity green scheduling algorithm for the downlink of orthogonal frequency division multiple access (OFDMA) cellular system when considering that base station...
In this paper, we give an investigation on the performance of cellular dual-hop cooperative communication systems with regenerative relays over flat Rayleigh fading channels. M-ary phase-shift keying (M-PSK) is considered. Two linear diversity reception techniques are adopted in the destination, i.e.,maximal-ratio combining (MRC) and selection combining (SC).We first derive the symbol error rate (SER)...
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