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在波束赋形系统模型和算法准则的基础上,给出一种相对传统特征值分解方法有一定简化的算法.该算法能够有效克服波束赋形过程中复杂度较大且会引起系统延迟的问题.根据TD-LTE系统物理层协议规定生成信号源并进行建模,通过搭建完整的赋形链路来获得波束赋形的加权系数.在多径衰落信道下,对传统的基于QR分解的特征值分解算法和简化算法进行仿真分析.结果表明:相同的仿真条件下,简化后的算法能够在保持一定精度的基础上,将把复杂度降低为原来的1/60.

参考文献

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