期刊
IEEE COMMUNICATIONS LETTERS
卷 21, 期 9, 页码 2041-2044出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2017.2705148
关键词
5G; massive MIMO; mmWave ultra-reliable low latency communications (URLLC)
资金
- Finnish Funding Agency for Technology and Innovation (Tekes)
- Nokia
- Huawei
- Anite
- Academy of Finland CARMA
- Academy of Finland [284704]
- ERC [305123]
- Academy of Finland (AKA) [284704, 284704] Funding Source: Academy of Finland (AKA)
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 in millimeter wave-enabled massive multiple-input multiple-output 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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