Channel Estimation and Peak-to-Average Power Ratio Analysis of Narrowband Internet of Things Uplink Systems

<div>Resource grid mapping for (a) multi-tone (e.g., 12 tone) with 15 kHz subcarrier spacing, and (b) single-tone with both 15 kHz and 3.75 kHz subcarrier spacing.</div>

Wireless Communications and Mobile Computing

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Figure 5

Figure 5: Channel Estimation and Peak-to-Average Power Ratio Analysis of Narrowband Internet of Things Uplink Systems 