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Non-Orthogonal Multiple Access (NOMA) is a key multiple access technique for 5th generation (5G) mobile communication systems. In this paper, we propose a capacity-based user selection (NOMA-CUS) algorithm for multiuser multiple input single output (MISO) downlink NOMA system with zero-forcing beamforming. NOMA-CUS algorithm improves the sum rate of the NOMA system by selecting the users in each cluster...
Non-Orthogonal Multiple Access (NOMA) is a promising multiple access technique for the 5th generation (5G) mobile communication systems. In this paper, an efficient power allocation scheme is derived for multiuser multiple input single output (MISO) downlink beamforming NOMA system to guarantee that successive interference cancellation (SIC) detection can remove completely the intra-cluster interference...
Coordinated Multi-Point transmission and reception (CoMP) technique is a new promising scheme which has been adopted in LTE-Advanced. For the next generation of wireless communication networks, CoMP is mostly required to reduce the inter-cell interference (ICI). It also increases the cell edge user throughput and improves the coverage. Recently, most research work based on precoding with feedback...
Nowadays, cognitive radio technique has been acknowledged as a smart and potential method to improve the spectrum utilization. In this work, we investigate a cognitive radio communication scheme, where a number of cognitive users, each with multiple antennas, can share the spectrum with the primary user. To decrease the inter-user interference, zero-forcing beamforming (ZFBF) is considered. We presented...
In this paper, we propose a generalized greedy (G-greedy) algorithm based on zero-forcing beamforming (ZFBF) for the multiple-input multiple-output (MIMO) broadcast channel. This algorithm serves as a general mathematical framework that includes a number of existing greedy user selection methods as its realizations. As previous results only give the scaling law of the sum rate of dirty paper coding...
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