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This paper analyses the space-time behavior of the propagation channel in macrocell Outdoor-to-Indoor (021) environment at 3.6 GHz. The study is based on a SIMO (Single Input Multiple Out) measurement campaign performed on the campus of the Technical University of Lille, France. The measurement equipment included a channel sounder and a 12*12 virtual antenna array at the mobile station (MS). One of the main drawbacks of virtual array is the delay shift and phase drift occurring during the measurement when there is no synchronization between the transmitter and the receiver. The paper thus first focuses on the correction method which has been developed to cope with this problem. Delay spread (DS) as well as azimuth spread at MS (MS-AS) were deduced from the Azimuth-Delay-Power Profiles and the results are detailed in the second part of this paper. The mean AS value is 66deg and the mean DS value varies from 75 ns to 160 ns depending on the line of sight conditions between the MS inside the building and the outdoor base station. Regarding the AS statistics, an acceptable agreement between our measurements and values reported in the literature was found.
Date of Conference: 26-29 April 2009