Title :
Antenna Arrays Design and Calibration for 4Ã\x974 Mobile Radio Channels Measurements at 3.5 GHz
Author :
Farhat, H. ; El Zein, G.
Author_Institution :
INSA, Rennes
Abstract :
In this paper, we present the design and calibration of two antenna arrays, of 4 active elements each, at 3.5 GHz for double directional channel measurements. This frequency band is used for wireless local loop (WLL) applications. The beam patterns of these two arrays are measured in anechoic chamber. A calibration algorithm is applied on these measurements for high resolution 4times4 MIMO (multiple input multiple output) channel sounding. Results obtained after the beam patterns calibration are presented. The importance of this work is shown by ESPRIT simulations for better multipath parameters estimation.
Keywords :
MIMO communication; antenna radiation patterns; linear antenna arrays; mobile radio; wireless channels; 4times4 mobile radio channel measurements; ESPRIT simulations; MIMO channel sounding; WLL applications; antenna array calibration; array beam patterns; double directional channel measurements; frequency 3.5 GHz; linear antenna array design; multipath parameter estimation; multiple input multiple output channel; wireless local loop; Anechoic chambers; Antenna arrays; Antenna measurements; Calibration; Directive antennas; Frequency; Land mobile radio; MIMO; Mobile antennas; Parameter estimation; Antenna arrays; MIMO channel sounder; channel characterization and modeling; propagation; spatio-temporal measurements;
Conference_Titel :
Telecommunications, 2007. ITST '07. 7th International Conference on ITS
Conference_Location :
Sophia Antipolis
Print_ISBN :
1-4244-1178-5
Electronic_ISBN :
1-4244-1178-5
DOI :
10.1109/ITST.2007.4295857
