Hi.
I wanted to know about the preambles that are inserted in the ofdm packet. I
know they are inserted for the synchronization and frequency offset
purposes.
But I want to know where in the OFDM packet they are inserted. I have
following questions.
1. How can I vary the length of preambles? Can I do that ?
2. On which parameters length of preamble depends?
3. What is the length of preamble sequence if I am using fft-length=512,
occupied carriers=200 cp-length=128, size of ofdm packet=400 bytes,
modulation='bpsk'.
4. Where are they inserted in the OFDM packet? I mean before Payload?
--------------------------------------------
preamble| payload|
--------------------------------------------
5. Both the preambles are inserted at the start ?
6. Which modulation is used for preambles?
Need your help
Regards
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