电子科技大学学报Issue(3):369-374,6.DOI:10.3969/j.issn.1001-0548.2014.03.009
WiMAX上行功率控制中分集合并研究
Research on Diversity Combining for WiMAX Uplink Power Control
摘要
Abstract
Power control is efficiently utilized to improve WiMAX system capacity. For the signal interference and noise ratio (SINR) balance criterion based power control technique, the co-channel interference and the diversity combination of base station antenna have important effect on the SINR. In this paper, co-channel interference (CCI) model for WiMAX networks is presented, the outage probability of SINR with respect to power control is derived based on the CCI model and finally, hard/soft limiting combining algorithms are proposed to reduce interference. Simulation results show that the proposed combining algorithms can suppress the co-channel interference and reduce the outage probability of SINR, so that the power control performance of WiMAX uplink can be improved.关键词
同道干扰/分集合并/功率控制/信号干扰噪声比/WiMAXKey words
co-channel interference/diversity combining/power control/SINR/WiMAX分类
信息技术与安全科学引用本文复制引用
黎海涛,吕海坤,袁海英,周艳慧..WiMAX上行功率控制中分集合并研究[J].电子科技大学学报,2014,(3):369-374,6.基金项目
国家自然科学基金(61001049);北京市自然科学基金(4112012) (61001049)