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I am basically using OFDM kinda thing for Spatial Modulation. I am transmitting a sinusoid of say freq f1 for synchronization and subsequently of freq f2 for data and will be performing correlation with sinusoid of freq f1 on the receiver side. I expect to get a peak of approx 1 for auto-correlation which will trigger my receiver to collect data. The problem I have is that I am using 128 data length for each symbol and I am using altera blockset (simulink) and I am totally confused about what blocks to use for performing the correlation thing.
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In direct spread spectrum (DSS) systems like CDMA, base stations transmit PRBS codes for synchronization. I have not looked into OFDM, so I am not familiar with their technique. However, your description does not sound correct, perhaps you really mean different 'carriers' for modulated data.
Can you please provide a reference for OFDM where they discuss synchronization.
Altera has some application notes on OFDM, so how do they synchronize?
Cheers,
Dave
Honored Contributor
