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Influence of channel parameters on noncoherent massive MIMO systems

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WSA_SB_14032018.pdf (762.9Kb)

peer-reviewed

Erstveröffentlichung
2018
Authors
Bucher, Stephan
Yammine, George
Fischer, Robert
Waldschmidt, Christian
Beitrag zu einer Konferenz


Published in
WSA 2018; 22nd International ITG Workshop on Smart Antennas / Institute of Electrical and Electronics Engineers (Hrsg.). - : Institute of Electrical and Electronics Engineers, 2018
Link to publication
https://ieeexplore.ieee.org/document/8385458/
Faculties
Fakultät für Ingenieurwissenschaften, Informatik und Psychologie
Institutions
Institut für Mikrowellentechnik
Institut für Nachrichtentechnik
Document version
accepted version
Conference
22nd International ITG Workshop on Smart Antennas; WSA 2018, 2018-03-14 - 2018-03-16, Bochum
Abstract
In multi-user massive MIMO uplink systems, noncoherent detection schemes offer an appealing alternative to classical coherent detection algorithms. Sorted decision-feedback differential detection (DFDD) in combination with noncoherent decision-feedback equalization (nDFE) over the users have been demonstrated to achieve comparable results to the coherent case. Up to now, the assessment of noncoherent detection has been performed on the basis of an idealized channel model. In this paper, the influence of channel parameters on the performance of noncoherent massive MIMO systems is analyzed via an extensive simulation study. Thereby, a realistic channel model, in particular the COST 2100 channel model, forms the basis for the evaluation. It is shown that performance is highly dependent on the actual channel settings as well as on the power control of the transmitter. A further outcome is that the idealized channel model in previous studies ignores correlation effects and exhibits other power distributions among the receiving antennas. As a consequence, further optimization steps for noncoherent detection are required.
Subject headings
[GND]: MIMO | MUD | Uplink | Detektion
[LCSH]: MIMO systems | Multi-user dungeons | Radar; Automatic detection
[Free subject headings]: Massive MIMO | Multi-user | Detection
[DDC subject group]: DDC 620 / Engineering & allied operations
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https://oparu.uni-ulm.de/xmlui/license_v3

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DOI & citation

Please use this identifier to cite or link to this item: http://dx.doi.org/10.18725/OPARU-6201

Bucher, Stephan et al. (2018): Influence of channel parameters on noncoherent massive MIMO systems. Open Access Repositorium der Universität Ulm und Technischen Hochschule Ulm. http://dx.doi.org/10.18725/OPARU-6201
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