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2D autoregressive model-based dynamic correlated massive MU-MIMO channel simulator
KTH, School of Electrical Engineering (EES), Information Science and Engineering.
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2017 (English)In: Electronics Letters, ISSN 0013-5194, E-ISSN 1350-911X, Vol. 53, no 17Article in journal (Refereed) Published
Abstract [en]

To design a dynamic correlated channel simulator which can precisely depict the space-time correlation properties and be suitable for the massive multi-user multiple-input multiple-output (MU-MIMO) system, a 2D autoregressive (2D AR) model-based method is proposed. Specifically, by exploiting stationarity in space-time domain, the authors use 2D AR method to create the space-time channel matrices of every user separately. In this way, the space-time dimension of the simulated channel can be modified flexibly without rebuilding the 2D AR model, and spatial correlation matrix with excessively big size is not necessary to guarantee the accuracy of the proposed simulator, making it suitable for massive MU-MIMO system. Simulation results verify the advantages of the proposed simulator.

Place, publisher, year, edition, pages
INST ENGINEERING TECHNOLOGY-IET , 2017. Vol. 53, no 17
Keyword [en]
MIMO communication, autoregressive processes, correlation methods, matrix algebra, 2D autoregressive model, massive multiuser multiple-input multiple-output system, MU-MIMO system, space-time correlation properties, 2D AR method, space-time channel matrices, space-time dimension, spatial correlation matrix, simulated channel
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-214900DOI: 10.1049/el.2017.1768ISI: 000409068200034Scopus ID: 2-s2.0-85028772082OAI: oai:DiVA.org:kth-214900DiVA, id: diva2:1151247
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QC 20171023

Available from: 2017-10-23 Created: 2017-10-23 Last updated: 2017-10-23Bibliographically approved

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Huang, Shaocheng

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  • apa
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Output format
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