Abstract
摘要: 该文提出一种在部分信道响应环境中利用各个用户的信道反馈信息自适应调整多用户子载波分配的优化算法，该算法考虑到实际环境中反馈信息延迟和误差引起的部分信道响应情况，结合各用户的反馈信道信息和动态子载波组分配技术，可实现有效降低自适应子载波分配运算量同时又不明显弱化系统性能的目的。仿真结果表明，该算法可改善部分信道响应带来的负面影响，同时也使子载波分配算法获得较大的简化。 关键词: 多输入输出; 正交频分复用; 子载波分配; 自适应; 多用户
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