Initial results on D band channel measurements in LOS and NLOS office corridor environment
Kokkoniemi, Joonas; Hovinen, Veikko; Nevala, Klaus; Juntti, Markku (2022-05-11)
J. Kokkoniemi, V. Hovinen, K. Nevala and M. Juntti, "Initial Results on D Band Channel Measurements in LOS and NLOS Office Corridor Environment," 2022 16th European Conference on Antennas and Propagation (EuCAP), 2022, pp. 1-5, doi: 10.23919/EuCAP53622.2022.9769258.
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https://urn.fi/URN:NBN:fi-fe2022111765899
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Abstract
A need for measurement data for frequencies above 100 GHz has increased. In this paper, we present the measurement system for millimeter wave frequencies (30–300 GHz). It is based on Keysight PNA-X vector network analyser with frequency extenders mounted on custom built 3-axis rotation stages (both the transmitter and receiver sides). We present some initial results from measurements conducted in an office corridor. Both line-of-sight (LOS) and non-LOS (NLOS) cases are included in the measurement set-ups. The results show that in all cases the channels are sparse with clear clusters from large reflecting surfaces, such as walls and floors. The measured power levels are rather strong indicating relatively low reflection losses. While the channels were sparse, there were still typically relatively large numbers of distinguishable paths. The numbers of observable paths as well as the delay spread of the channel increase with increasing beamwidth.
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