2017 – Editor – IEEE Transactions on Communications
2016 – Editor – IEEE Wireless Communications Letters
2016 – 2018 – Senior Area Editor – IEEE Signal Processing Letters.
2015 – Associate editor – IET Electronics Letters
2010 – Associate Editor – EURASIP Journal on Wireless Communications and Networking
Technical and steering committees:
2015 - Elected member of the Signal Processing Theory and Methods (SPTM) Technical Committee, IEEE Signal Processing Society.
2010 – Member of the steering committee of the International Symposium on Wireless Communications Systems (ISWCS).
2006- Wireless Communications Technical Committee, IEEE Communications Society.
2016 – General chair of the 9th IEEE Sensor Array and Multichannel Signal Processing Workshop, sponsored by the IEEE Signal Processing Society.
2015 - Technical chair of the 19th ITG/IEEE Workshop on Smart Antennas.
2013 - Technical chair of the 10th International Symposium on Wireless Communications Systems (ISWCS), which was sponsored by the IEEE Communications and Vehicular Technology Societies..
2010 – General chair of the 7th International Symposium on Wireless Communications Systems (ISWCS), which was sponsored by the IEEE Communications and Vehicular Technology Societies.
Past editorial boards:
2013 – 2016 - Associate Editor - IEEE Signal Processing Letters.
2011 – 2016 - Associate Editor – Communications Theory - IEEE/SBrT Journal of Communication and Information Systems.
2011-2016 - Associate Editor - AEUE International Journal of Electronics and Communications.
2008 – 2010 - Associate Editor – The Open Signal Processing Journal
2008 - 2010 – Associate Editor – International Journal of Ultra Wideband Communications Systems
2008 – Guest Associate Editor IEICE Transactions on Fundamentals, Special Section on Signal Processing.
Membership of societies:
2010 – Senior member IEEE.
2006 – Member of the IET and IEEE.
2006 – Member of various IEEE TPC including GLOBECOM, VTC, ICC, etc
2000-2005– Student member of IEEE and the Brazilian Telecommunications Society
2013 - Member of Academic Staff, CETUC, Pontifical Catholic University of Rio de Janeiro - currently a Professor.
2006 – Member of Academic Staff, Department of Electronics, University of York, UK – currently a Reader.
2009 – Director of Ipanema Engineering.
2005- 2010 - Consultancy for private companies in the areas of teletraffic assessment and link design, speech coding (voice over IP), spread-spectrum systems, sensors and satellite communications.
2001-2005 - Consultancy for the Brazilian Ministry of Defense.
1998-1999 - Trainee/Engineer at Siemens Brazil, telecommunications division. Programming of private switching systems and PABX .