基于SLNR准则的MU-MIMO下行链路预编码算法SLNR criterion based precoding algorithm for MU-MIMO downlink
张继荣,吕沙沙
摘要(Abstract)：
在MU-MIMO系统中,最大化信漏噪比(SLNR)预编码算法同时考虑信号泄漏与噪声因素,但未考虑基站发送多数据流场景下的串扰问题。针对此缺点,提出预编码矩阵与动态功率分配相结合的算法,该算法先采用新的矩阵分解法求解预编码矩阵,然后根据各用户的信道质量信息进行动态功率分配。仿真结果表明,新算法不仅使各个数据流上的能量更加均匀,且各用户分配到的功率也得到了优化,系统在误码率和容量性能上都有所提高。
关键词(KeyWords)： MU-MIMO;SLNR预编码算法;动态功率分配;系统和容量;误码率;数据流
基金项目(Foundation):
作者(Author): 张继荣,吕沙沙
DOI: 10.16652/j.issn.1004-373x.2018.23.005
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