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The performance of OFDM system is severely degraded by the local oscillator phase noise, which causes both common phase error (CPE) and inter-carrier interference (ICI).
It is also referred to as the common phase error (CPE) induced by the CFO distortions.
The effect of phase noise on OFDM is commonly categorized as common phase error (CPE) and intercarrier interference (ICI).
It is assumed that the channel is obtained at the preamble position, and the common phase error is zero at this position.
In multicarrier systems, phase distortions cause two effects: the common phase error (CPE) and the intercarrier interference (ICI) which severely degrade the accuracy of the symbol detection stage.
The integer CFO (IFO) induces subcarrier shift, whereas the fractional CFO (FFO) leads to inter-carrier interference (ICI) and common phase error.
Similar(53)
The direction-dependent behaviour shown in Figure 11 for the EL5 scheme is due to the well-known anisotropy of the phase error common to finite-differencing schemes (Vichnevetsky and Bowles 1982; Lele 1992).
A common metric is the switch-error rate, sometimes known as phase error, switch accuracy, or recast (reformulated) as switch distance.
Quadratic phase errors are very common: a constant velocity in the cross-range direction induces a quadratic phase error function in the data.
The phase error was processed by a proportional-integral-derivative controller D2-1255, Vescent Photonics).
where ϕ denotes the compensated phase error.
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