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Channel Equalization and Interference Analysis for Uplink Narrowband Internet of Things (NB-IoT)

机译:上行窄带物联网(NB-IoT)的信道均衡和干扰分析

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We derive the uplink system model for In-band and Guard-band narrowband Internet of Things (NB-IoT). The results reveal that the actual channel frequency response (CFR) is not a simple Fourier transform of the channel impulse response, due to sampling rate mismatch between the NB-IoT user and long term evolution (LTE) base station. Consequently, a new channel equalization algorithm is proposed based on the derived effective CFR. In addition, the interference is derived analytically to facilitate the co-existence of NB-IoT and LTE signals. This letter provides an example and guidance to support network slicing and service multiplexing in the physical layer.
机译:我们推导了带内和保护带窄带物联网(NB-IoT)的上行链路系统模型。结果表明,由于NB-IoT用户与长期演进(LTE)基站之间的采样率不匹配,实际信道频率响应(CFR)并非信道脉冲响应的简单傅里叶变换。因此,基于导出的有效CFR,提出了一种新的信道均衡算法。另外,通过分析得出干扰以促进NB-IoT和LTE信号的共存。这封信提供了一个示例和指导,以支持物理层中的网络切片和服务多路复用。

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