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1 vote

Sampling and Reconstructing Digital Signal

You have to study a broad field in digital communication systems which is called synchronization. Generally speaking, much of the synchronization principles are the same across different parameters. … Specifically, you need to implement a timing synchronization (also called timing recovery or clock recovery) subsystem in a digital receiver. …
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2 votes
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FFT based symbol synchronization for digital demodulation

Symbol timing synchronization seems to be a complex topic although once you get some basic principles right, it all makes simple sense. …
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1 vote
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Timing recovery in GNU Radio : Variable rate vs Fixed rate operation

Symbol timing offset and symbol frequency offset are two different distortions. Like a carrier phase offset and a carrier frequency offset. The difference is that a carrier frequency offset imposes it …
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OFDM symbol acquisition block in GNU Radio gives rotating constellation even if there is no ...

While I did not implement your blocks excatly to closely look at what's happening, I think the reason is the following. First, the noisy samples shouldn't be noisy because OFDM works with raw symbols …
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