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From: | Tom Rondeau |
Subject: | Re: [Discuss-gnuradio] GNU Radio OFDM Theori |
Date: | Mon, 30 Mar 2009 08:57:34 -0400 |
User-agent: | Thunderbird 2.0.0.21 (Windows/20090302) |
adib_sairi wrote:
Eric Blossom wrote:if i want to reconfigure the modulation for each sub-carrier (bit loadingThere is no documentation of that type for OFDM. Ericfor OFDM), can i just edit the ofdm benchmark python file? or i have to go in detail until the IFFT and FFT? the OFDM that GNU Radio have currently i think it already have the CP (cyclic prefix) right? eric can you please tell me how the IFFT and FFT is being constructed? or how the OFDM is being made in GNU Radio? what references they use?
To change the modulation per subcarrier is going to require reworking gr_ofdm_mapper_bcv.cc.
Tom
i found this presentation slide ( http://www.nabble.com/file/p22735812/gr_ofdm.rar gr_ofdm.rar ).. i hope it is usefull for those who are working in the same area as me. but i think this meterial is not enough .. so any body had more documentation please help me.. thank you.
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