IEEE
- Member, Fellow Evaluation Committee of the IEEE Communications Society (ComSoc)
2014-2017
- Chair, IEEE Communications Society Wireless Communication Technical committee
2013-2014
Journal Editor
- Publication Editor, IEEE Transactions on Wireless Communication
2009-2013
- Guest Editor, IEEE Journal on Selected Areas in Communications: Special Issues on Vehicular Communications and Networks
2010-2011
- Area Editor, IEEE Transactions on Wireless Communications
2006-2009
- Editor, IEEE Transactions on Wireless Communications
2002-2006
- Editor, Wireless Communications and Mobile Computing Journal
2000-2012
- Guest Editor, Special Issue on Multiple-Input Multiple-Output (MIMO) Communications: Wireless Communications and Mobile Computing Journal
2003-2004
- Editor, IEEE Journal on Selected Areas in Communications: Wireless Series
1999-2001
Conference Chair
- IEEE Wireless Communications and Networking Conference (WCNC 2019), Technical Program Chair
- IEEE International Conference on Communications in China (ICCC2012), Symposium Chair
- IEEE PIMRC 2012, Workshop Co-chair
- IEEE International Conference on Communication (ICC 2010), Keynote Chair
- IEEE Wireless Communications and Networking Conference (WCNC 2007), Hong Kong, Technical Program Chair
- IEEE International Conference on Communication (ICC 2002) (Advanced Wireless Communication Systems Symposium), New York, USA, Technical Program Chair
Conference Technical Program Committees
- IEEE Vehicular Technology Conference (VTC-Spring) 2008
- IEEE International Conference on Communications (ICC 2007)
- IEEE Vehicular Technology Conference (VTC-Spring) 2007
- IEEE International Conference on Communications (ICC 2006)
- IEEE International Conference on Communications (ICC 2005)
- IEEE International Conference on Communications Systems (ICCS) 2004
- Mobility 2004 (International Advisory Committee member), 2004
- IEEE International Conference on Communications (ICC 2004)
- IEEE Vehicular Technology Conference (VTC-Fall), Orlando, USA, 2004
- IEEE Globecom, San-Francisco, USA, 2003
- IEEE International Conference on Communications (ICC), Alaska, USA, 2003
- IASTED Technical Committee for Telecommunication
- IEEE Vehicular Technology Conference (VTC-Fall), Vancouver, Canada, 2002
- IEEE Globecom, Communication Theorey mini-conference, Sydney, Australia, 1998
- IEEE International Communications Conference, 1997
- Progress in Electromagnetic Research Symposium (PIERS), Hong Kong, 1997
- Asia Pacific Microwave Conference (APMC), Hong Kong, 1997
- International Biomedical Engineering Conference (BME'96), Hong Kong, 1996
- International Biomedical Engineering Conference (BME'94), Hong Kong, 1994