document.write("«&nbsp;<a href='/news/view?id=85931'>Energy Efficiency Analysis of Heterogeneous Cellular Networks With Extra Cell Range Expansion. (arXiv:1801.01663v1 [cs.IT])</a>");document.write(" | ");document.write("<a href='/news/view?id=85933'>Energy Efficiency Maximization of Full-Duplex Two-Way Relay With Non-Ideal Power Amplifiers and Non-Negligible Circuit Power. (arXiv:1801.01709v1 [cs.IT])</a>&nbsp;»");