A new analytical expression is presented for the instantaneous power Probability Density Function （PDF） of receiver signals over composite K-u/gamma fading channels. Moreover, the exact expression of channel capacit...A new analytical expression is presented for the instantaneous power Probability Density Function （PDF） of receiver signals over composite K-u/gamma fading channels. Moreover, the exact expression of channel capacity is derived in the form of an infinite series, while an accurate approximation expression is obtained in closed form. To reveal the implications of the model parameters on capacity, we provide an expression for the case of a high-SNR environment. The relationship of the presented results with previously reported results on generalised-K and K fading channels is also discussed. Finally, numerical and simulation results are presented to prove the correctness of our derived expressions.展开更多
基金supported by the National NatNatural Science Foundation of China under Grants No. 61132003,No. 61101237the Open Research Fund of National Mobile Communications Research Laboratory,Southeast University under Grant No. 2012D07
文摘A new analytical expression is presented for the instantaneous power Probability Density Function （PDF） of receiver signals over composite K-u/gamma fading channels. Moreover, the exact expression of channel capacity is derived in the form of an infinite series, while an accurate approximation expression is obtained in closed form. To reveal the implications of the model parameters on capacity, we provide an expression for the case of a high-SNR environment. The relationship of the presented results with previously reported results on generalised-K and K fading channels is also discussed. Finally, numerical and simulation results are presented to prove the correctness of our derived expressions.
