Louis Bertel

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In this paper, the whole project CAVITE is described. This project is proposed within the framework of sets of themes around “Sciences and Technologies of Information and Communication” for radio-mobile digital communication in order to increase the data rate or quality of transmission. One of the objectives is the reception of Digital Video Broadcasting on(More)
In a multipaths context, direction finding must resort to hight resolution algorithms. Classically, they operate on arrays of isotropic or identical sensors because they use the geometrical phase that the space diversity induces on the received signals. We propose to derive the standard music algorithm as the array is made up with sensor which are different(More)
In the HF band (3-30 MHz), the equipment used for transmission or for location finding, rely on the antenna system which can be very varied, using antenna diversity and/or space diversity. The roles of these antennas or antenna arrays are presented in this paper using a bi-vectorial model related to ionospheric links. This narrow band model includes(More)
To improve the quality of the mobile reception of DVB-T (Digital Video Broadcasting on Terrestrial networks) signal, the knowledge of the propagation channel characteristics is necessary. In this aim, this paper presents sounding methods and results for the estimation of Direction of Arrival (DoA) of DVB-T signals in mobile receiving configuration. The(More)
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