Area Editor (Wireless Communications),
IEEE Transactions on Communications (October 2011-present)
Editor (Wireless Communications),
IEEE Transactions on Communications (2002-2011)
Editor,
IEEE Transactions on Signal Processing (2000-2003)
Editor,
IEEE Communications Letters (2000-2002)
Member of
the UTD LTE Group
Member of
IEEE Signal Processing for Communication (SP4COM) Technical
Committee from January 2002 to December 2007
Member of
IEEE Signal Processing Theory and Methods (SPTM) Technical
Committee from January 2005 to December 2010
Guest Editor for EURASIP Journal on Advances in Signal Processing
October 2010 Special Issue on "Advances in Single Carrier
Block Modulation with Frequency Domain Processing"
(download CFP)
Lead Guest Editor for a special issue of IEEE JSTSP on DSP
Techniques for Analog/RF Impairments, 2008
Member of Technical Program Committee for numerous IEEE
Conferences including Globecom, ICC, Asilomar, ICASSP,
ITW,SPAWC, ISSPIT, WCNC.
Guest Editor for IEEE Transactions on Signal Processing
October 2002 Special Issue on "Signal Processing
Techniques for Space-Time-Coded Transmissions"
(download CFP)
Co-Chair of the Communication Theory Symposium at IEEE
Globecom Conference in November 2004.
Tutorials Co-Chair for ICASSP'08 in Las Vegas.