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Indoor dual polarised radio channel characterization in the 54 GHz and 70 GHz bands.

Raimundo, Xavier and Salous, Sana and Cheema, Adnan (2018) 'Indoor dual polarised radio channel characterization in the 54 GHz and 70 GHz bands.', IET microwaves, antennas & propagation., 12 (8). pp. 1287-1292.


In this study, results of wideband dual polarised measurements conducted in indoor environments including office, factory, corridor and computer foyer, using state-of-the-art 2×2 multiple-input–multiple-output frequency modulated continuous wave-based channel sounder, are presented. The measurements were performed in two frequency bands with 6 GHz bandwidth, centred at 54 and 70 GHz, with directional steerable ∼20 dBi (18° beamwidth) horn antennas. Using twists at the transmitter and at the receiver simultaneous co-polar and cross-polar measurements were performed to quantify the polarisation effects on channel parameters such as angular spread, delay spread and path loss. The results show that the co-polarised radio links experienced lower angular spread and delay spread compared with the cross-polarised links. For co-polarised links, the estimated synthesised omnidirectional path loss exponent was found to be in the range of 1.5–2 (close-in model) and 0.9–1.9 (log-distance model) in the respective environments. In individual scenarios, the median cross-polarisation ratio was found to be within 11.7–14.4 and 7.5–17.6 dB at 54 and 70 GHz, respectively.

Item Type:Article
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Publisher statement:This paper is a postprint of a paper submitted to and accepted for publication in IET microwaves, antennas & propagation and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Date accepted:26 January 2018
Date deposited:13 March 2018
Date of first online publication:05 February 2018
Date first made open access:13 March 2018

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