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Recent content by Mellon

  1. M

    A question about Zero Forcing equalizer

    Hi, I am going to simulate the performance of ZF equalizer, I know the concept of this equalizer is: if the transmitted signal is Y=H*X+n, the equalizer frequency response will be H_eq=H'/(H'*H), so that Y*H_eq=X+n*H_eq, which means the channel effect on X has removed but noise is enhanced. So...
  2. M

    Question about OFDM MIMO system channel definition

    I am going to simulate a LTE OFDM-MIMO system using matlab, now, I need to define a channel, in case if I have 'n' transmit antenna, and 'm' receive antenna, the channel matrix 'h' should be a m*n matrix, my question is how to define this m*n matrix 'h', what kind of value I can select for the...
  3. M

    A basic question about GMSK

    Hi, I am new in GMSK. I just confused about in GMSK IQ plane, how to represent bit '1' and '0'. For example , if I have a question like: In GMSK, sketch how the signal trajectory behaves in the IQ plane when modulator is fed with bit sequence 11011. What would be the answer? Thanks

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