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Re: OFDM Help
Hi there,
I just want ask if somebody can help me explain what does modulation (QAM, BPSK) does in OFDM? If any, can you give something to refer to.
One more thing, i discover that different books have different arrangement of the process in OFDM, like the arragement of IFFT...
Orthogonal means that there are mathematical relationships between the frequencies of the carriers of the systems.
Why don’t we just use the normal FDM?
In the normal FDM, the frequency of each carriers are spaced apart so that is can use conventional filters and demodulators and in such...
Re: Question:FFT in OFDM
Hi there,
I'm having problem in understanding the function of FFT (as well as its counter IFFT) in OFDM. Can anybody explain to me? Someone ask me, "What does FFT&IFFT do in OFDM?"
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