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Filtered-OFDM system performance research based on Nuttall's Blackman-Harris window

机译：基于Nuttall的Blackman-Harris窗口的OFDM滤波系统性能研究

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Owing to OFDM Air Interface in the whole system bandwidth only support one fixed waveform parameter, the sidelobe of rectangular pulse frequency response is bigger and the attenuation is slower, which cause that the OFDM system has a sensitive to partial differential frequency rate, high frequency spectrum leakage and large out-of-band (OOB) interference. Therefore, the conventional OFDM can not adapt to 5G in rich business scenarios. Thus, the Filtered-OFDM (F-OFDM) is proposed as a candidate technique for 5G high-data rate wireless communication system. In order to achieve better spectrum leakage performance compared with Hamming window in F-OFDM system, this paper proposes a kind filter that uses Nuttall's Blackman-Harris window in the F-OFDM system, and analyzes the performance of different window functions in the F-OFDM. Simulation results show that the design of F-OFDM is easy to be implemented by Nuttall's Blackman-Harris window, which has a very low OOB emission with the same bit error rate (BER) performance compared with the F-OFDM that is based on Hamming window and the conventional OFDM.
机译：由于OFDM空口在整个系统带宽中仅支持一个固定的波形参数，矩形脉冲频率响应的旁瓣较大而衰减较慢，这导致OFDM系统对部分差分频率速率，高频谱敏感。泄漏和大的带外（OOB）干扰。因此，传统的OFDM无法在丰富的业务场景中适应5G。因此，提出了滤波OFDM（F-OFDM）作为5G高数据速率无线通信系统的候选技术。为了与F-OFDM系统中的汉明窗相比具有更好的频谱泄漏性能，本文提出了一种在F-OFDM系统中使用Nuttall's Blackman-Harris窗的滤波器，并分析了F-OFDM系统中不同窗函数的性能。 OFDM。仿真结果表明，Nuttall的Blackman-Harris窗口易于实现F-OFDM的设计，与基于Hamming的F-OFDM相比，该窗口具有非常低的OOB发射且具有相同的误码率（BER）性能窗口和常规OFDM。

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