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## Re: OFDM Pilot Detection

Sounds promising! Do you have any references like journals, technical report or thesis for this algorithm?

## Re: OFDM Pilot Detection

Well, even though I will start working with few common IEEE standards, I want to eventually implement practical algorithms for generic pilot location detection/estimation...

## OFDM Pilot Detection

I have captured OFDM I-Q data at IF. I have down-converted to it to baseband and then simply performed autocorrleation. Based on autocorrelation-based techniques...

## Re: Autocorrelation of OFDM Signal

Is this true for other standard as well, like dvbt-t and wimax? the signal i was dealing with is not wi-fi,  but other ieee standard like dvb-t and wimax.

## Re: Autocorrelation of OFDM Signal

Thanks for your feedback. This is hugely helpful. You have mentioned about OFDM symbol repeating indefinitely as this leads to cheap implementations in hardware...

## Re: Autocorrelation of OFDM Signal

[cp & symbol] aligns with [cp & symbol] at 0 lag where we an see a huge peak. The other peak is where cp aligns with symbol end. That's where we are going...

## Re: Autocorrelation of OFDM Signal

Here is the output of autocorr:| ||                                  |              ||_____________|____|_____________|_|_ |_________|_|_|_... 0 ...

## Re: Autocorrelation of OFDM Signal

well, built-in correlation function with same signal can perform auto-correlation, right? Like xcorr(x,x)

## Re: Autocorrelation of OFDM Signal

The noisy received signal (rx) is completely unknown. The whole objective is to auto-correlate to "estimate" the OFDM useful symbol time (Tu). It is producing...

## Re: Autocorrelation of OFDM Signal

You take time sample and use python or matlab built-in function to perform autocorrelation. It's autocorrelation, so it was correlated with itself.

## Autocorrelation of OFDM Signal

Hello all,I have captured OFDM I-Q data at IF. I have down-converted to it to base-band and then simply performed autocorrleation. I was trying to find a clear...

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