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pilot aided channel estimation

Started by basturkilhan April 18, 2006
Hi,
I am simulating OFDM.I finished some part of it.I passed it both awgn
and multipath fading channel.Now will make chammel estimation by
using pilot symbols.But don't have an idea for doing this.For
example I will put 4 pilot symbols as HERLAN/2 for every OFDM
symbols.If you know can you give me an idea.Thanks from now...