Ultra-reliable and low latency communication in mmWave-enabled massive MIMO Networks
Vu, Trung Kien; Liu, Chen-Feng; Bennis, Mehdi; Debbah, Mérouane; Latva-aho, Matti; Hong, Choong Seon (2017-05-17)
T. K. Vu, C. F. Liu, m. bennis, M. Debbah, M. Latva-aho and C. S. Hong, "Ultra-Reliable and Low Latency Communication in mmWave-Enabled Massive MIMO Networks," in IEEE Communications Letters, vol. PP, no. 99, pp. 1-1. doi: 10.1109/LCOMM.2017.2705148
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https://urn.fi/URN:NBN:fi-fe201708308277
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Abstract
Ultra-reliability and low-latency are two key components in 5G networks. In this letter, we investigate the problem of ultra-reliable and low-latency communication (URLLC) in millimeter wave (mmWave)-enabled massive multiple-input multiple-output (MIMO) networks. The problem is cast as a network utility maximization subject to probabilistic latency and reliability constraints. To solve this problem, we resort to the Lyapunov technique whereby a utility-delay control approach is proposed, which adapts to channel variations and queue dynamics. Numerical results demonstrate that our proposed approach ensures reliable communication with a guaranteed probability of 99.99%, and reduces latency by 28.41% and 77.11% as compared to baselines with and without probabilistic latency constraints, respectively.
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