Sefrea - Software e Sistemas
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SEFREA designs and maintains mission-critical Software. We help businesses thrive by optimizing and automating their internal processes and Web presence.
22/12/2017
Votos de um Feliz Natal para todos! May your heart and home be filled with all of the joys the festive season brings. Merry Christmas and a wonderful 2018!
21/07/2013
SEFREA has re-crafted its website using the latest HTML5/CSS3 responsive techniques for an optimal viewing experience in all devices (desktop computers, tablets and mobile phones). The website was rebuilt from scratch and now supports a fluid layout, media queries, flexible images, as well as beautiful native CSS3 transitions. Feel free to check it out using your iPhone/iPad or Android device: http://www.sefrea.com/
MIMO for 4G Wireless Communications (http://www.sefrea.com/en/portfolio/mimo-for-4g-wireless-communications/)
Portfolio - MIMO for 4G Wireless Communications - SEFREA - Portugal Derivation of the maximum spectral efficiency of multiple-input multiple-output (MIMO) systems in mobile wireless communication environments; Study, design and validation of advanced transmission and reception techniques in doubly dispersive MIMO LTV systems
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