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Sensors 2018, 18(11), 4001; https://doi.org/10.3390/s18114001

Reliable Positioning and mmWave Communication via Multi-Point Connectivity

1
Centre for Wireless Communications, University of Oulu, 90014 Oulu, Finland
2
Centre for Telecommunication Research, King’s College London, London WC2 R2LF, UK
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in Kumar, D.; Saloranta, J.; Destino, G.; Tölli, A. On Trade-off Between 5G Positioning and mmWave Communication in a Multi-user Scenario, In Proceedings of the 8th International Conference on Localization and GNSS (ICL-GNSS), Guimaraes, Portugal, 26–28 June 2018; pp. 1–5, doi:10.1109/ICL-GNSS.2018.8440904
Received: 12 October 2018 / Revised: 6 November 2018 / Accepted: 13 November 2018 / Published: 16 November 2018
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Abstract

One of the key elements of future 5G and beyond mobile technology is millimeter-wave (mmWave) communications, which is targeted to extreme high-data rate services. Furthermore, combining the possibility of a wideband signal transmission with the capability of pencil-beamforming, mmWave technology is key for accurate cellular-based positioning. However, it is also well-known that at the mmWave frequency band the radio channel is very sensitive to line-of-sight blockages giving rise to unstable connectivity and inefficient communication. In this paper, we tackle the blockage problem and propose a solution to increase the communication reliability by means of a coordinated multi-point reception. We also investigate the advantage of this solution in terms of positioning quality. More specifically, we describe a robust hybrid analog–digital receive beamforming strategy to combat the unavailability of dominant links. Numerical examples are provided to validate the efficiency of our proposed method. View Full-Text
Keywords: 5G positioning; coordinated multi-point; mmWave MIMO; beamforming; blockage 5G positioning; coordinated multi-point; mmWave MIMO; beamforming; blockage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kumar, D.; Saloranta, J.; Kaleva, J.; Destino, G.; Tölli, A. Reliable Positioning and mmWave Communication via Multi-Point Connectivity. Sensors 2018, 18, 4001.

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