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Thus, the need for an extra fine timing symbol synchronization step is eliminated.
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The number of timing symbols achieved after synchronization of correlation difference is more than 1, when threshold ranges from 30 to 80.
Different clock frequencies in transmitter and receiver lead to linear increasing/decreasing of timing offset from symbol to symbol.
where is the estimated symbol timing.
In [14], a maximum likelihood (ML) symbol timing estimator based on cyclic prefix (CP) correlation was proposed.
The three major steps in this procedure are symbol timing acquisition, carrier frequency synchronization, and sampling clock synchronization.
The proposed estimator reduces restriction of threshold to some extent, and makes it possible to estimate symbol timing sample index with a much smaller MSE.
Moreover τ, T, and N are unknown timing delay, symbol duration, and the number of transmitted symbols, respectively.
The signals are assumed to have a resolvable temporal signature that allows for timing events, e.g., pulses, symbol boundaries, etc. and the propagation velocity c is known.
Common data-aided synchronization schemes, e.g., [2], use the time domain signal for symbol timing offset (STO) and carrier frequency offset (CFO) estimation.
Symbol timing is to estimate the time offset between n ^ and the exact starting boundary of the symbol.
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