Next-generation cellular networks deployment will require systems with broadband capabilities in high-mobility environments. Data rates up to 100 Mbits/s and above, high spectral efficiencies and stronger fading mitigation have to be achieved. Technologies needed to obtain these specifications, include multibeam antenna systems, wideband transceivers, and robust and efficient space-time coding. In this paper we present a new reconfigurable miniature antenna architecture, compatible with the

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... aging constraints, able to change its working frequency, polarization, or radiation pattern in order to get, single broadband or dualband behavior, for a single widebeam or multibeam diversity configuration.