Experimental characterization of the MIMO wireless channel: data acquisition and analysis
IEEE Transactions on Wireless Communications
Array gain and capacity for known random channels with multiple element arrays at both ends
IEEE Journal on Selected Areas in Communications
Outdoor BLAST measurement system at 2.44 GHz: calibration and initial results
IEEE Journal on Selected Areas in Communications
Spherical outdoor to indoor power spectrum model at the mobile terminal
IEEE Journal on Selected Areas in Communications
Effect of antenna polarization on the capacity of a multiple element system in an indoor environment
IEEE Journal on Selected Areas in Communications
Multiple-input-multiple-output measurements and modeling in Manhattan
IEEE Journal on Selected Areas in Communications
Empirical comparison of MIMO and beamforming schemes for outdoor-indoor scenarios
IEEE Transactions on Wireless Communications
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In this paper the radio channel characteristics of the 8 脳 4 MIMO system consisting of a base station and a small terminal equipped with multiple antennas for indoor-indoor and outdoor-indoor scenarios are presented. We study the large-scale variation and small-scale characteristics of the measured channel coefficients. Although the mean received power is very much dependent on the measured location, the channel capacity seems to be unchanged when the receiver's location is altered. The data collected from different scenarios (e.g. measurement locations, antenna setting) were used to investigate the advantage of having the knowledge of the channel at both ends of the transmission link. It is shown that using the water filling algorithm there is indeed an increase in the channel capacity. At low SNR, the benefit of knowing the channel at both link ends observed in the measurement data is much higher than which can be obtained in the channel matrix with usual assumption on identical independently distributed components. Using the small-scale and large-scale information in the formulation of the channel capacity we show that in our measurement, the variation of the mean received power has a greater influence on the change of the overall system performance than the change in the environmental multipath scattering property.