MIMO V-BLAST Scheme Based on Physical-Layer Network Coding for Data Reliability in Emerging Wireless Networks


The multiuser multiple input multiple output (MU-MIMO) proficiency is practicable to considerably improve the range and multiplexing gain in emerging wireless networks. Physical-layer network coding (PNC) can efficiently manage and improve the employment of accessible spectrum. To resolve the data reliability and variety gain, a quite combination referred to as Vertical-Bell Laboratories Layered Area-Time (V-BLAST) and PNC has brought forth a V-BLAST with PNC (V-BLAST-PNC) strategy to reinforce the throughput and the performance of rising wireless networks. We tend to propose a unique cross-layer V-BLAST-based PNC scheme to avail the range in multiplexing gain by packet redundancy. The redundancy is introduced to enhance the throughput and energy potency performance in MU-MIMO by avoiding the packets retransmissions at an upper layer. Experimental evaluation is predicated on BPSK/QPSK modulation over flat fading channels with the zero forcing and minimum mean square error equalizers. Based on simulation results, we conclude that the proposed V-BLAST-PNC scheme has fewer packets retransmissions and better throughput compared with the state-of-the-art traditional solutions.

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