Preprint Article Version 1 This version is not peer-reviewed

The Impact of Antenna Height on 3D-MIMO Channel: a Ray Launching Based Analysis

Version 1 : Received: 16 June 2017 / Approved: 19 June 2017 / Online: 19 June 2017 (13:33:17 CEST)

How to cite: Hong, Q.; Zhang, J.; Zheng, H.; Li, H.; Hu, H.; Zhang, B.; Lai, Z.; Zhang, J. The Impact of Antenna Height on 3D-MIMO Channel: a Ray Launching Based Analysis. Preprints 2017, 2017060084 (doi: 10.20944/preprints201706.0084.v1). Hong, Q.; Zhang, J.; Zheng, H.; Li, H.; Hu, H.; Zhang, B.; Lai, Z.; Zhang, J. The Impact of Antenna Height on 3D-MIMO Channel: a Ray Launching Based Analysis. Preprints 2017, 2017060084 (doi: 10.20944/preprints201706.0084.v1).

Abstract

Three dimension (3D) Multi-input-multi-output (MIMO) scheme, which exploits another dimension of the spatial resource, is one of the enabling technologies for the next generation mobile communication. As the elevation angle in 3D-MIMO channel model might varies against the height of the base station transmit antenna, it has to be taken into account carefully. In this paper, the impact of antenna height on the channel characteristics of 3D MIMO channel is investigated by using the intelligent ray launching algorithm (IRLA). Three typical street scenarios, i.e., the straight street, the fork road and the cross road, are selected as benchmarks. On the basis of simulations, joint and marginal probability density functions (PDFs) of both the elevation angle of departure (EAoD) and the elevation angle of arrival (EAoA) are obtained. The elevation angle spread (AS) and the delay spread (DS) under various antenna heights are also discussed. Simulation results indicate that the PDFs of EAoD and EAoA vary characteristics under different street scenarios. Moreover, the minimum value of the DS can be achieved when the antenna height is half of the building height.

Subject Areas

3D MIMO; elevation angle; antenna height; elevation angle of departure; elevation angle of arrival; angle spread; delay spread

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