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[Discuss-gnuradio] ofdm channel estimation

From: xianda
Subject: [Discuss-gnuradio] ofdm channel estimation
Date: Sun, 13 Jul 2014 19:06:29 +0800 (CST)

Hi all:
         Have you ever using the gnuradio/gr-digital/examples/ofdm/rx_ofdm.grc?And I change the rx_ofdm.py as follows:
         self.connect((self.digital_ofdm_chanest_vcvc_0, 1), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'channel-estimate.dat'))
         And i use the matlab:
       The result is attached.But I think the result is wrong.Have someone do the similar thing like me?Can we discuss this?
       Environement: 2 USRP N210 and SBX
       Thank you.
Best regards,

Attachment: csi.png
Description: PNG image

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