An Optimal Power Control Algorithm for V-BLAST System
Zheng Zhou · Beijing Youdian Xueyuan xuebao · 2005
Based on the investigation of adaptive modulation issue for vertical Bell lab layered space-time (V-BLAST) system in time varying channels, a novel power control algorithm is proposed, which is called average power control. By controlling the transmitting power of adjacent time slots on a whole, the algorithm can improve the power usage by 10 percent, and enhance the performance of the system at about 0.5dB at the same time.