♦ Technical Program Committee Chair:

• Wireless Communications Symposium, IEEE ICC 2016.  
• TPC Co-Chair, IEEE ICNC, 2016
• Energy Efficiency and Energy Harvesting Related Signal Processing and Communications Symposium, IEEE GlobalSIP, 2014
• Optimization and/or Analysis Communications, Computing, and Smart Grids Symposium, IEEE GreenCom, 2013
• Signal Processing for Communications Symposium, IEEE ICCC, 2013

♦ Technical Program Committee Member:

• WCMC'08 MIMO Systems Symposium
• VTC'08 (Spring) Wireless Access Track
• WCNC'09 Networking Track
• ICC'09 Wireless Communications Symposium
• ICC'10 Signal Processing Symposium
• Globecom'10 Communication Theory Symposium
• Globecom'10 Wireless Communications Symposium
• DySPAN'10 Technology Track
• ICC'11 Wireless Communications Symposium
• ICC'11 Cognitive Radio & Networks Symposium
• ICC'11 Communication Theory Symposium
• WCNC'11 Physical Layer Track
• Globecom'11 Wireless Communications Symposium
• Globecom'11 Cognitive Radio & Networks Symposium
• SPAWC'11
• ICASSP'11
• VTC’11 (fall) Multiple Antenna Systems & Space-Time Processing Track
• ICC’12 Signal Processing Symposium
• ICC’12 Cognitive Radio & Networks Symposium
• Globecom’12 Wireless Communications Symposium
• Globecom’12 Cognitive Radio & Network Symposium
• ICCC’12 Communication Theory Symposium
• ICASSP’12
• ICCS’12

♦ Conference Chair:

• Tutorial chair, IEEE DySPAN, 2010
• Invited session co-chair on Cognitive Radio, IEEE WCSP, 2010
• Invited session co-chair on Interference Management Techniques for Wireless Networks, IEEE WCSP, 2011
• Invited Session chair on Green Communication Systems, IEEE ICCS, 2012
• Invited Session co-chair on Emerging Communication Technologies, IEEE ICCC, 2012

♦ Editorship:

• Guest Editor, IEEE JSTSP special issue on Exploiting Interference towards Energy Efficient
  and Secure Wireless Communications, 2016.
• Editor, IEEE Journal on Selected Areas in Communications-Green Communications and Networking Series (2015-present)
• Editor, IEEE Transactions on Signal Processing (2013-Present)
• Editor, IEEE Transactions on Wireless Communications (2012-Present)
• Guest Editor, IEEE JSTSP special issue on Signal Processing for Large-Scale MIMO Communications, 2013.
• Guest Editor, EURASIP Journal on Applied Signal Processing, special issue on Advanced Signal Processing for Cognitive Radio Networks, 2009.
• Guest Editor, Journal of Communications and Networks (JCN), special issue on Energy Harvesting in Wireless Networks, 2011.
• Guest Editor, EURASIP Journal on Wireless Communications and Networking, special issue on Recent Advances in Optimization Techniques in Wireless Communication Networks, 2012.

♦ Membership:

• Senior Member, IEEE, IEEE Communications Society, IEEE Signal Processing Society
• Vice Chair, IEEE ComSoc APB Technical Committee, Jan.2014-Dec.2015
• Vice Chair, IEEE ComSoc APB Meeting and Conference Committee, Jan2012-Dec2013
• Elected Member, IEEE Signal Processing Society SPCOM Technical Committee, Jan2012-Dec2017
• Elected Member, IEEE Signal Processing Society SAM Technical Committee, Jan2013-Dec2015