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上行大规模天线系统能效分析

DOI: 10.13190/j.jbupt.2013.06.013

Keywords: 大规模多输入多输出系统,迫零,能效,谱效

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Abstract:

为了分析大规模天线系统能效与谱效、基站天线个数及小区半径间的关系,为实际通信系统参数设置提供理论依据,针对采用迫零检测算法的上行大规模多输入多输出系统,引进实际功耗模型,推导出能效与谱效、接收天线个数及小区半径间的闭式关系,进而根据此闭式得到系统的最优能效、相应的谱效和消耗的功率.仿真结果表明,合理的谱效工作点设置、增加基站接收天线个数和减小小区半径是增强系统能效的重要手段.

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