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Recent content by usab

  1. U

    OFDM receiver with PAPR

    Hi everyone! can anyone help me with the receiver for OFDM signal with PAPR implemented on Tx side in matlab. i have made the Tx with PAPR reduced symbols but i am unable to make a Rx that retrieves the information i sent in the Tx side. Also I have made Tx and Rx with simple OFDM (without PAPR)...
  2. U

    Suitable environment for usrp1

    hi everyone..! can anyone guide me on selecting a suitable O.S environment for my USRP1? is Fedora better than Ubuntu for this purpose or not? i need to to transmit real time videos using OFDM through usrp. please reply ASAP!
  3. U

    QPSK vs OFDM in fiber optics

    hi everyone! can anyone tell me which is the better choice of technique for fiber optical communications, QPSK or OFDM and why? what are the pros and cons?
  4. U

    issues of FFT and zero padding in OFDM

    Thankyou David83! But I need to know the difference b/w the use of zero padding and cyclic prefix and guard band intervals , are they all same thing or not? please explain!
  5. U

    issues of FFT and zero padding in OFDM

    can any tell me that what is the effect of no of points of FFT/IFFT on the ofdm modulated data? if the no of points is equal to, less/greater than the no of data samples what would happen? also i need to know about the zero padding in FFT/IFFT?

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