Antenna Correlation Under Geometry-Based Stochastic Channel Models

Yilin Ji, Wei Fan, Pekka Kyösti, Jinxing Li, Gert Frølund Pedersen

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1 Citationer (Scopus)
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Abstrakt

Antenna correlation is an important measure for designing multiple-input-multiple-output (MIMO) antenna systems. A lower antenna correlation indicates a better MIMO performance that can be achieved with the underlying antenna systems. In the antenna design community, it is very common to evaluate the antenna correlation with isotropic or nonisotropic (e.g., Gaussian-distributed) angular power spectrum (APS) as baselines. On the other hand, antenna correlation can also be evaluated via channel transfer function (CTF) under the given propagation channel, e.g., drawn from the bidirectional geometry-based stochastic channel model. In this letter, the analytic forms for the antenna correlation based on the APS and the CTF are derived, respectively, with their similarities and differences explained. Moreover, a numerical example is also given with a standard channel model to support our findings.

OriginalsprogEngelsk
Artikelnummer8847459
TidsskriftIEEE Antennas and Wireless Propagation Letters
Vol/bind18
Udgave nummer12
Sider (fra-til)2567-2571
Antal sider5
ISSN1536-1225
DOI
StatusUdgivet - 25 dec. 2019

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