Chen Chen received the Ph.D. degree from Peking University, China, in 2009. He is currently an Associate Professor with Peking University. Since 2010, he has been the principal investigator of over ten funded research projects. He has authored or co-authored over 100 journal and conference papers, and 3 books. His current research interests include signal processing, wireless communications and networking. He was a recipient of two Outstanding Paper Awards from the Chinese Government of Beijing in 2013 and 2018, respectively, and the Best Paper Awards of IEEE ICNC’17, ICCS’18, and Globecom’18. He has served as the symposium Co-Chair, Session Chair, and a member of the Technical Program Committee for several international conferences. He is currently an Associate Editor of the IET Communications.Xiang Cheng received the Ph.D. degree from Heriot-Watt University, Edinburgh, U.K., and the University of Edinburgh, Edinburgh, in 2009. Heis currently a Professor with Peking University, Beijing, China. He has authored or co-authored over 200 journal and conference papers, 5 books, and 7 patents. His publications have received nearly 5652 Google Scholar citations with an h-index of 36, and i10-index of 95. His current research interests include channel modeling and mobile communications. He was a recipient of the IEEE Asia-Pacific Outstanding Young Researcher Award in 2015 and the Postgraduate Research Thesis Prize from the University of Edinburgh and a co-recipient of the 2016 IEEE JSAC Best Paper Award: Leonard G. Abraham Prize, the NSFC Outstanding Young Investigator Award, the First-Rank and Second-Rank Awards in Natural Science, Ministry of Education in China, and the Best Paper Award of IEEE ITST’12, ICCC’13, ITSC’14, ICC’16, ICNC’17, ICCS’18, and Globecom’18. He has served as the symposium Leading-Chair, the Co-Chair, and a member of the Technical Program Committee for several international conferences. He is currently an Associate Editor of the IEEE Transactions on Intelligent Transportation Systems, and the Journal of Communications and Information Networks. He is an IEEE Distinguished Lecturer.

• 1. Introduction.- 2. Overview of OFDMA and MIMO Systems.- 3. Remarks on Resource Allocation.- 4. Resource Allocation for OFDMA Systems.- 5. Dealing with Imperfect CSI.- 6. Summary and Outlook.

Chen Chen received the Ph.D. degree from Peking University, China, in 2009. He is currently an Associate Professor with Peking University. Since 2010, he has been the principal investigator of over ten funded research projects. He has authored or co-authored over 100 journal and conference papers, and 3 books. His current research interests include signal processing, wireless communications and networking. He was a recipient of two Outstanding Paper Awards from the Chinese Government of Beijing in 2013 and 2018, respectively, and the Best Paper Awards of IEEE ICNC’17, ICCS’18, and Globecom’18. He has served as the symposium Co-Chair, Session Chair, and a member of the Technical Program Committee for several international conferences. He is currently an Associate Editor of the IET Communications.Xiang Cheng received the Ph.D. degree from Heriot-Watt University, Edinburgh, U.K., and the University of Edinburgh, Edinburgh, in 2009. Heis currently a Professor with Peking University, Beijing, China. He has authored or co-authored over 200 journal and conference papers, 5 books, and 7 patents. His publications have received nearly 5652 Google Scholar citations with an h-index of 36, and i10-index of 95. His current research interests include channel modeling and mobile communications. He was a recipient of the IEEE Asia-Pacific Outstanding Young Researcher Award in 2015 and the Postgraduate Research Thesis Prize from the University of Edinburgh and a co-recipient of the 2016 IEEE JSAC Best Paper Award: Leonard G. Abraham Prize, the NSFC Outstanding Young Investigator Award, the First-Rank and Second-Rank Awards in Natural Science, Ministry of Education in China, and the Best Paper Award of IEEE ITST’12, ICCC’13, ITSC’14, ICC’16, ICNC’17, ICCS’18, and Globecom’18. He has served as the symposium Leading-Chair, the Co-Chair, and a member of the Technical Program Committee for several international conferences. He is currently an Associate Editor of the IEEE Transactions on Intelligent Transportation Systems, and the Journal of Communications and Information Networks. He is an IEEE Distinguished Lecturer.

• 1. Introduction.- 2. Overview of OFDMA and MIMO Systems.- 3. Remarks on Resource Allocation.- 4. Resource Allocation for OFDMA Systems.- 5. Dealing with Imperfect CSI.- 6. Summary and Outlook.

Chen Chen received the Ph.D. degree from Peking University, China, in 2009. He is currently an Associate Professor with Peking University. Since 2010, he has been the principal investigator of over ten funded research projects. He has authored or co-authored over 100 journal and conference papers, and 3 books. His current research interests include signal processing, wireless communications and networking. He was a recipient of two Outstanding Paper Awards from the Chinese Government of Beijing in 2013 and 2018, respectively, and the Best Paper Awards of IEEE ICNC’17, ICCS’18, and Globecom’18. He has served as the symposium Co-Chair, Session Chair, and a member of the Technical Program Committee for several international conferences. He is currently an Associate Editor of the IET Communications.Xiang Cheng received the Ph.D. degree from Heriot-Watt University, Edinburgh, U.K., and the University of Edinburgh, Edinburgh, in 2009. Heis currently a Professor with Peking University, Beijing, China. He has authored or co-authored over 200 journal and conference papers, 5 books, and 7 patents. His publications have received nearly 5652 Google Scholar citations with an h-index of 36, and i10-index of 95. His current research interests include channel modeling and mobile communications. He was a recipient of the IEEE Asia-Pacific Outstanding Young Researcher Award in 2015 and the Postgraduate Research Thesis Prize from the University of Edinburgh and a co-recipient of the 2016 IEEE JSAC Best Paper Award: Leonard G. Abraham Prize, the NSFC Outstanding Young Investigator Award, the First-Rank and Second-Rank Awards in Natural Science, Ministry of Education in China, and the Best Paper Award of IEEE ITST’12, ICCC’13, ITSC’14, ICC’16, ICNC’17, ICCS’18, and Globecom’18. He has served as the symposium Leading-Chair, the Co-Chair, and a member of the Technical Program Committee for several international conferences. He is currently an Associate Editor of the IEEE Transactions on Intelligent Transportation Systems, and the Journal of Communications and Information Networks. He is an IEEE Distinguished Lecturer.

• 1. Introduction.- 2. Overview of OFDMA and MIMO Systems.- 3. Remarks on Resource Allocation.- 4. Resource Allocation for OFDMA Systems.- 5. Dealing with Imperfect CSI.- 6. Summary and Outlook.