partially supported by the National Natural Science Foundation of China(61571225,61271255,61232016,U1405254);the Open Foundation of Jiangsu Engineering Center of Network Monitoring(Nanjing University of Information Science and Technology)(Grant No.KJR1509);the PAPD fund;the CICAEET fund;Shenzhen Strategic Emerging Industry Development Funds(JSGG20150331160845693)
Considering that perfect channel state information(CSI) is difficult to obtain in practice,energy efficiency(EE) for distributed antenna systems(DAS) based on imperfect CSI and antennas selection is investigated in Ra...
supported by the National Natural Science Foundation of China (Nos. 61202351, 61271255);the Natural Science Foundation of Jiangsu Province (No. BK20131068);the Open Research Fund of National Mobile Communications Research Laboratory in Southeast University (No. 2012D15);the Funding of Jiangsu Innovation Program for Graduate Education (No. CXLX11_0202);the Fundamental Research Funds for the Central Universities
Recently, unmanned aerial vehicles (UAVs) acting as relay platforms have attracted considerable attention due to the advantages of extending coverage and improving connectivity for long-range communications. Specifi...