General Co-Chair, IEEE Workshop on Ultra-high Speed Low Latency and Massive Communication for Futuristic 6G Networks (ULMC6GN), IEEE ICC 2021, Montreal, Canada General Technical Committee Co-Chair, IEEE WCNC 2021, Nanjing, China General Technical Committee Co-Chair, BalkanCom Conference 2021, Novi Sad, Serbia General Technical Committee Co-Chair, IEEE LatinCom Conference 2020, Salvador, Brazil General Co-Chair, IEEE Workshop on Ultra-high Speed Low Latency and Massive Communication for Futuristic 6G Networks (ULMC6GN), IEEE ICC 2020, Dublin, Ireland General Co-Chair, IEEE 7th International Workshop on Emerging Non-Orthogonal Multiple Access Techniques for 5G, IEEE ICC 2020, Dublin, Ireland General Co-Chair, IEEE Women in Communications Engineering Workshop, IEEE Globecom 2019, Hawaii, USA General Co-Chair, IEEE 6th Workshop on Emerging Non-Orthogonal Multiple Access Techniques for 5G, IEEE Globecom 2019, Hawaii, USA Tutorial Chair, IEEE I2MTC 2020, Zagreb, Croatia General Co-Chair, IEEE Workshop on NOMA for Intelligent Massive Multiple Access IoT Networks, IEEE VTC Fall 2019, Hawaii, USA Technical Program Commitee (TPC) Co-Chair, Multiple Antenna Systems and Cooperative Communications Track, IEEE VTC Fall 2019, Hawaii, USA Tutorial Chair, IEEE I2MTC 2019, Auckland, New Zealand General Co-Chair, IEEE 5th Workshop on Emerging Non-Orthogonal Multiple Access Techniques for 5G, IEEE ICC 2019, Shanghai, China General Co-Chair, IEEE 4th Workshop on Emerging Non-Orthogonal Multiple Access Techniques for 5G, IEEE Globecom 2018, Abu Dhabi, UAE TPC Co-Chair, IEEE VTC Fall 2018, Chicago, USA TPC Co-Chair, Cognitive Radio and Networks Symposium, IEEE Globecom 2018, Abu Dhabi, UAE Tutorial Chair, IEEE I2MTC 2018, Houston, USA TPC Co-Chair, Recent Results Track, IEEE VTC Spring 2018, Porto, Portugal TPC Co-Chair, Fundamentals and PHY Symposium, IEEE PIMRC 2018, Bologna, Italy TPC Co-Chair, Workshop on Emerging Non-Orthogonal Multiple Access Techniques for 5G, IEEE Globecom 2017, Singapore Tutorial Chair, IEEE I2MTC 2017, Torino, Italy General Chair, IEEE ComSoc Third Workshop of Women in Communications Engineering TPC Co-Chair, Cognitive Radio and Spectrum Management, IEEE VTC Fall 2016 TPC Co-Chair, Cognitive Radio and Spectrum Management, IEEE VTC Spring 2016 TPC Co-Chair, Workshop on Wireless Powered Communication Networks: From Theory to Practice, IEEE WCNC 2016 General Chair, IEEE CWIT 2015 TPC Co-Chair, Communications Theory Symposium, IEEE Globecom 2015 TPC Co-Chair, Emerging Applications for Cognitive Radio Track, CrownCom 2015 TPC Co-Chair, PHY and Fundamentals Track, IEEE WCNC 2015 TPC Co-Chair, Cognitive Radio Track, IEEE VTC Fall 2014 TPC Co-Chair, Signal Processing for Communications Symposium, IEEE Globecom 2013 TPC Co-Chair, Signal Processing for Communications Symposium, IEEE ICC 2013 TPC Co-Chair, Multiple Antenna Systems Track, IEEE VTC Fall 2013 TPC Co-Chair, Signal Processing for Communications Symposium, ICNC 2012 TPC Chair, IEEE NECEC 2010 TPC Co-Chair, Signal Processing and Multimedia Symposium, IEEE CCECE 2009 Publication Chair, IEEE QBSC 2014 Registration Chair, IEEE CCECE 2009