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Exact(43)
First, in order to eliminate the interaction between the gain and position error estimations, gain errors are first estimated and compensated.
In the modified method, gain errors are first estimated and compensated before the other errors' estimation, which guarantees the position error estimation accuracy to be higher than that in the conventional method.
This way, part of the frequency offset will be estimated and compensated by the channel estimation and equalization.
In this modified method, gain errors are firstly estimated and compensated, which eliminates the interaction between gain error estimation and position error estimation.
Subsequently, Doppler shift is estimated and compensated.
Then, CFO is estimated and compensated.
Similar(17)
After compensating the estimated phase error to the dominant range cells, Doppler shift is re-estimated and compensated.
Time-varying instantaneous phase drifts are re-estimated and compensated adaptively by averaging the phase variation across a group of symbols.
In order to further improve the torque tracking control performance, LuGre model based dynamic friction compensation is designed to estimate and compensate friction torque in the practical torque motor system.
It is thus natural to consider the approach of forming a sine estimator free of I/Q mismatch after estimating and compensating it.
CFO itself is not difficult to estimate and compensate, using either training-based or blind estimation schemes [2, 3].
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com