document.write("« Energy Efficiency Maximization for CoMP Joint Transmission with Non-Ideal Power Amplifiers. (arXiv:1801.01652v1 [cs.IT])");document.write(" | ");document.write("Energy-Efficient User Access Control and Resource Allocation in HCNs with Non-Ideal Circuitry. (arXiv:1801.01648v1 [cs.IT]) »");