一种基于模糊综合评判的协同节点选择算法

若要充分发挥协同通信高分集增益、高能量效率的优点,协同节点的选择是必须首先解决的问题.针对协同通信中的节点选择问题,提出了一种基于模糊综合评判的协同节点选择算法.算法综合考虑了节点的信道信息和功率信息,并据此进行模糊综合评判,以选择出最佳的协同节点.仿真结果表明,提出的节点选择算法要明显优于以往文献中提出的基于信道信息的节点选择算法,是一种有效的节点选择算法.

Fuzzy comprehens ive evalua tion-based re lay se lection algor ithm for cooperat ive communication

The prob lem o f relay se lect ion need s to be so lved to leve rage the h igh d iv ersity g ain and high energ y e ff icien cy o f co ope ra t ive comm un icat ion. A fu zzy com p rehensive ev a lu at ion-ba sed re lay se lect ion a lg o rithm w as propo sed. T he a lgo rithm took in to conside ra t ion bo th the ch annel in fo rm at ion and the pow er in fo rm a t ion o f the nodes, and m ade u se o f fuzzy com prehensive eva luat ion to se lect the op t im um re lay. S im u la t io n resu lt s show tha t the propo sed re lay se lect ion a lg o rithm is obv iou sly bet ter and ef fic ien t than tho se on ly ba sed on the ch anne l in fo rm at ion.