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This paper presents a novel non-orthogonal multiple access (NOMA) scheme applicable to the multiple-input multiple-output (MIMO) downlink broadcast system. An optimal iterative beamforming design is utilized to the NOMA scheme. The weighted sum rate is used as the objective criterion to design the beamforming matrix at the base station (BS). The users in a typical cluster located in the same radiation...
This paper explores Martingale processes in a fair game scenario where secondary users attempt to efficiently access the frequency spectrum resources in a time division multiple access (TDMA) wireless network. Through the leveraging of Martingale characteristics, the secondary users have the ability to evolve holistically; thus, making better decisions about the system state over time. Simulation...
With the consideration of network scalability, complexity, and resource limitations, cooperative nodal decision-making in wireless sensor networks (WSN) becomes increasingly important. In this paper, a novel Martingale approach to dynamically monitoring overall network health, based upon the exploitation of a Quality of Service (QoS) requirement, is proposed. Incorporating a Martingale framework for...
Linear precoding plays an important role in the spatial multiplexing multiple-input multiple-output (MIMO)-orthogonal frequency-division multiplexing (OFDM) systems which are considered one of the primary candidates for the physical-layer techniques in the next-generation wireless communication systems. It requires the channel state information (CSI) at the transmitter to adapt the transmitted signal...
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