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

Table 4

Simulation parameters.

Parameter	Value
System bandwidth	180 kHz
Carrier bandwidth	900 MHz
Subcarrier spacing	15 kHz and 3.75 kHz
Transmission mode	Singe-tone and multi-tone (3, 6 or 12)
Channel coding	Turbo (1/3-coding rate)
Modulation schemes	BPSK and QPSK
CRC	24 bits
Antenna configuration	SISO (1Tx×1Rx)
Propagation channel	Typical urban (TU), Hz
Channel estimation	Modified LS and MMSE
Channel equalization	Zero forcing (ZF)
Number of iterations	10^5