Abstract
The sensitivity of millimeter wave (mmWave) signals to blockages is a fundamental challenge for mobile mmWave communication systems. The sudden blockage of the line-of-sight (LOS) link between the base station and the mobile user normally leads to disconnecting the communication session, which highly impacts the system reliability. Further, reconnecting the user to another LOS base station incurs high beam training overhead and critical latency problem. In this paper, we leverage machine learning tools and propose a novel solution for these reliability and latency challenges in mmWave MIMO systems. In the developed solution, the base stations learn how to predict that a certain link will experience blockage in the next few time frames using their observations of adopted beamforming vectors. This allows the serving base station to proactively hand-over the user to another base station with highly probable LOS link. Simulation results show that the developed deep learning based strategy successfully predicts blockage/hand-off in close to 95% of the times. This reduces the probability of communication session disconnection, which ensures high reliability and low latency in mobile mmWave systems.
Original language | English (US) |
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Title of host publication | 2018 IEEE Global Conference on Signal and Information Processing, GlobalSIP 2018 - Proceedings |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 1055-1059 |
Number of pages | 5 |
ISBN (Electronic) | 9781728112954 |
DOIs | |
State | Published - Feb 20 2019 |
Event | 2018 IEEE Global Conference on Signal and Information Processing, GlobalSIP 2018 - Anaheim, United States Duration: Nov 26 2018 → Nov 29 2018 |
Publication series
Name | 2018 IEEE Global Conference on Signal and Information Processing, GlobalSIP 2018 - Proceedings |
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Conference
Conference | 2018 IEEE Global Conference on Signal and Information Processing, GlobalSIP 2018 |
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Country/Territory | United States |
City | Anaheim |
Period | 11/26/18 → 11/29/18 |
Keywords
- Beamforming
- Blockages
- Hand-off
- Machine learning
- Millimeter wave
ASJC Scopus subject areas
- Information Systems
- Signal Processing