Indoor channel characteristics based on wideband MIMO measurements at 5.25 GHz

Xinying GAO, Jianhua ZHANG, Ping ZHANG
The Journal of China Universities of Posts and Telecommunications ( Volume 15, Issue 4 )
DOI: 10.1016/S1005-8885(08)60401-X
Publish Year: 2008

Abstract: Extensive indoor channel measurements were conducted in Beijing with wideband multiple-input multiple-output (MIMO) sounder at 5.25 GHz. Both line-of-sight (LOS) and non-line-of-sight (NLOS) propagation were measured in the indoor office and hotspot scenarios. On the basis of measured data, statistical channel characteristics are presented in this article, including the empirical path loss (PL) models, three excess delay parameters, circular azimuth spread (CAS), and circular elevation spread (CES). Comparative analysis of different propagation mechanisms in two scenarios is conducted. These values are significant for indoor coverage and technical research of MIMO and orthogonal frequency division multiplexing (OFDM) for the international mobile telecommunications-advanced (IMT-Advanced) system.

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