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From: | Tiankun Hu |
Subject: | [Discuss-gnuradio] ofdm_sync_sc_cfb missing square operation in "delay path" |
Date: | Sat, 02 Aug 2014 16:29:28 +0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 |
Hi Martin, I was looking ofdm_sync_sc_cfb block, I found in delay path, "delay_magsquare" directly connect to "delay_normalize", but according S&C's paper, "delay_magsquare" need do square operation like "Energy Path". M(d)=|P(d)|^2/(R(d))^2 Seems in your code that numerator P(d) missing ^2, but when I add a square operation in P(d), the ofdm_loopback's result was wrong. -- Thanks Tiankun |
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