Title: | Channel Estimation in Large-Scale Multi-Antenna Systems for 5G and Beyond - Novel Pilot Structures and Algorithms |
Author(s): | Upadhya, Karthik |
Date: | 2018 |
Language: | en |
Pages: | 101 + app. 101 |
Department: | Signaalinkäsittelyn ja akustiikan laitos Department of Signal Processing and Acoustics |
ISBN: | 978-952-60-8101-4 (electronic) 978-952-60-8100-7 (printed) |
Series: | Aalto University publication series DOCTORAL DISSERTATIONS, 138/2018 |
ISSN: | 1799-4942 (electronic) 1799-4934 (printed) 1799-4934 (ISSN-L) |
Supervising professor(s): | Vorobyov, Sergiy A., Prof., Aalto University, Department of Signal Processing and Acoustics, Finland |
Thesis advisor(s): | Vorobyov, Sergiy A., Prof., Aalto University, Department of Signal Processing and Acoustics, Finland |
Subject: | Telecommunications engineering |
Keywords: | massive MIMO, millimeter wave, pilot contamination, superimposed pilots, staggered pilots, channel estimation, covariance matrix estimation, channel tracking |
Archive | yes |
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Abstract:Efficient use of the limited quantity of available spectrum to cater to the exponentially increasing demand for throughput has been the focus of communication and signal processing engineers for the past few decades. With the advent of technologies such as the Internet of things (IoT) or machine-type communications (MTC), devices and appliances around us which have predominantly been offline are being equipped with sensors that generate data and are now driving the demand for throughput. The forthcoming fifth generation (5G) standard is being developed to cater to these use cases and to also increase throughput for conventional mobile users. One of the enabling technologies of 5G is the use of antenna arrays with orders of magnitude more elements than in conventional fourth generation (4G) transceivers.
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Parts:[Publication 1]: K. Upadhya, S. A. Vorobyov, M. Vehkapera. Superimposed pilots: An lternative pilot structure to mitigate pilot contamination in massive MIMO. in Proc. IEEE Int. Conf. Acoustics Speech Signal Process., Shanghai, China, pp. 3366-3370, Mar. 2016. DOI: 10.1109/ICASSP.2016.7472301 View at Publisher [Publication 2]: K. Upadhya, S. A. Vorobyov, M. Vehkapera. Downlink performance of superimposed pilots in massive MIMO systems in the presence of pilot contamination. Proc. IEEE Global Conf. Signal Inform. Process., Washington D.C., pp. 665-669, Dec. 2016. DOI: 10.1109/GlobalSIP.2016.7905925 View at Publisher [Publication 3]: K. Upadhya, S. A. Vorobyov, M. Vehkapera. Time-multiplexed / superimposed pilot selection for massive MIMO pilot decontamination. in Proc. IEEE Int. Conf. Acoustics Speech Signal Process., New Orleans, LO, pp. 3459-3463, Mar. 2017. DOI: 10.1109/ICASSP.2017.7952799 View at Publisher [Publication 4]: K. Upadhya, S. A. Vorobyov, M. Vehkapera. Superimposed pilots are superior for mitigating pilot contamination in massive MIMO. IEEE Trans. Signal Process., vol. 65, no. 11, pp. 2917-2932, Jun. 2017. DOI: 10.1109/TSP.2017.2675859 View at Publisher [Publication 5]: K. Upadhya, S. A. Vorobyov, M. Vehkaperä. Downlink performance of superimposed pilots in massive MIMO systems. Submitted to IEEE Trans. Wireless Commun., Aug. 2017.[Publication 6]: K. Upadhya, S. A. Vorobyov. Covariance matrix estimation for massive MIMO. IEEE Signal Process. Lett., vol. 25, no. 4, pp. 546-550, Apr. 2018. DOI: 10.1109/LSP.2018.2805725 View at Publisher [Publication 7]: K. Upadhya, R. W. Heath Jr, S. A. Vorobyov. Tracking abruptly changing channels in mmWave systems using overlaid data and training. IEEE 7th Int. Workshop Computational Advances Multi-Sensor Adaptive Process., pp. 1-5, Dec. 2017. DOI: 10.1109/CAMSAP.2017.8313188 View at Publisher [Publication 8]: K. Upadhya, S. A. Vorobyov, R. W. Heath Jr. Low-overhead receiver-side channel tracking for mmWave MIMO. in Proc. IEEE Int. Conf. Acoustics Speech Signal Process., pp. 3859–3863, Apr. 2018. DOI: 10.1109/ICASSP.2018.8461320 View at Publisher [Errata file]: Errata Karthik Upadhya DD-138/2018 Publications P4, P7 and P8 |
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