This work is supported by the National Natural Science Foundation of China (No.60672048), the Science and Technology Project of Guangzhou City (No.2008Z1-D151), the National Natural Science United Foundation of China-Guangdong (No.U0635003) and the Ph.D.'s Starting Foundation of Guangdong University of Technology (No.093048).
To maximize the spectral efficiency of a Decode-and-forward (DF) cooperative Orthogonal frequency division multiplexing (OFDM) system, we first propose the optimal power allocation algorithm when perfect Channel s...