UWB Antenna Equalization of Pulse Modulation for IEEE 802.15.4a UWB PHY
نویسنده
چکیده
Ultra Wideband (UWB) antennas cause pulse distortion due to their frequency response. The antennas frequency response depends on the position and direction of the antenna. When used in consumer small devices, the antenna direction and position are not located for optimal performance; rather, they are located close to the users’ devices. The frequency response, in the form of phase and group delay, and impedance variation as function of frequency cause pulse signal distortion. Pulse distortion causes performance degradation, and thus needs to be reduced, especially for coherent reception. Equalization can be used to reshape the pulse distortion caused by the antenna and the radio front end, and reduce pulse dispersion, as shown in this paper.
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