Reliable positioning and mmWave communication via multi-point connectivity
Kumar, Dileep; Saloranta, Jani; Kaleva, Jarkko; Destino, Giuseppe; Tölli, Antti (2018-11-16)
Kumar, D., Saloranta, J., Kaleva, J., Destino, G., Tölli, A. (2018) Reliable Positioning and mmWave Communication via Multi-Point Connectivity. Sensors, 18 (11), 4001. doi:10.3390/s18114001
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
https://urn.fi/URN:NBN:fi-fe201902286516
Tiivistelmä
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.
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