Validation of Ray-tracing Simulated Channels for Massive MIMO Systems at Millimeter-wave Bands
Di, Jingyun; Yuan, Zhiqiang; Lyu, Yejian; Zhang, Fengchun; Fan, Wei (2024-04-26)
IEEE
26.04.2024
J. Di, Z. Yuan, Y. Lyu, F. Zhang and W. Fan, "Validation of Ray-tracing Simulated Channels for Massive MIMO Systems at Millimeter-wave Bands," 2024 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, United Kingdom, 2024, pp. 1-5, doi: 10.23919/EuCAP60739.2024.10501494.
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© 2024 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202405314117
https://urn.fi/URN:NBN:fi:oulu-202405314117
Tiivistelmä
Abstract
Employing large-scale antenna configuration is seen as a key enabling radio technology for 5G and beyond communication systems. This work presents validation of a home-developed ray tracing (RT) tool for massive multiple-input multiple-output (MIMO) system in the millimeter-wave (mmWave) frequency bands. For this purpose, a channel sounding campaign in an indoor entrance scenario using a massive MIMO systems based on virtual array concept is presented. The channel measurement of 6 GHz bandwidth (26.5-32.5 GHz) is first demonstrated, with a virtual uniform circular array (UCA) consisting of 720 antenna elements located at the transmitter position on the turntable and one antenna at the receiver position. The impact of order of interactions e.g. reflections and diffractions on the channel impulse responses (CIRs) is analyzed in the RT simulation. The comparison between RT simulated and measured results shows a reasonable level of agreement.
Employing large-scale antenna configuration is seen as a key enabling radio technology for 5G and beyond communication systems. This work presents validation of a home-developed ray tracing (RT) tool for massive multiple-input multiple-output (MIMO) system in the millimeter-wave (mmWave) frequency bands. For this purpose, a channel sounding campaign in an indoor entrance scenario using a massive MIMO systems based on virtual array concept is presented. The channel measurement of 6 GHz bandwidth (26.5-32.5 GHz) is first demonstrated, with a virtual uniform circular array (UCA) consisting of 720 antenna elements located at the transmitter position on the turntable and one antenna at the receiver position. The impact of order of interactions e.g. reflections and diffractions on the channel impulse responses (CIRs) is analyzed in the RT simulation. The comparison between RT simulated and measured results shows a reasonable level of agreement.
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