滤波器组与CP-OFDM共存：真正的好处是什么？
Coexistence of Filter Banks and CP-OFDM: What are the Real Gains?
摘要：
研究了基于滤波器组（FB）的波形与传统循环前缀-正交频分复用（CP-OFDM）之间的共存场景。结果表明，现有的研究在这个问题上使用了错误的度量率的共存系统之间的干扰。具体来说，研究表明，即使频谱定位良好的FB波形也会对现有CP-OFDM接收机产生高水平干扰。所提出的结果使文献中的许多研究无效，这些研究表明，基于FB的波形可以非常有效地用于在现有传统CP-OFDM用户留下的空闲频谱部分中插入通信。
英文摘要：
A coexistence scenario between filter bank (FB) based waveforms and legacy Cyclic Prefix-Orthogonal Frequency Division Multiplexing (CP-OFDM) is studied. It is shown that studies available on that matter use a wrong metric to rate the interference between the coexisting systems. Specifically, it is shown that even well spectrally localized FB waveforms interfere at a high level with incumbent CP-OFDM receivers. The presented results invalidate a number of studies in the literature, which stated that FB based waveforms could be very efficiently used to insert communications in parts of spectrum left free by incumbent legacy CP-OFDM users.
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