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Recent content by mmoctar

  1. M

    free software or tools to test c fixed programs

    C fixed Hi all, I'm looking for free software or tools to test c fixed programs. Thanks
  2. M

    SystemC problem: build machine environment variables may not be correct

    environment variables were not found systemc I'm begginner with systemc, try to use it with vc++ 2008. I build the Systemc and now I want to try an example but all time I get this error. This is my build log: Build started: Project: fir, Configuration: Debug|Win32 Command Lines Build...
  3. M

    coherence bade width, coherence time selectivity.....

    Did someone have an idea or a paper about proof: non frequency and time selectivity with the two expression: T**Δf«1 and α*(1/T)«1. where: T is symbole duration, Δf is the doppler shift, a is the maximum delay.
  4. M

    condition of non time dispersive and non fréquency dispersiv

    I need explanations or paper about conditions non time dispersive and non frquency dispersive for a multipath channel.
  5. M

    DPSK communication in underwater

    Re: DPSK in underwater Hello I don't have the answer of your question, are you workin' on underwater system? I'm workin on underwater ofdm system and I need to change with someone who know about underwater.
  6. M

    is there WIMAX Design Simulator

    simulation design of wimax Try this link https://www.mathworks.com/matlabcentral/fileexchange/loadCategory.do?objectType=category&objectId=63&objectName=Wireless%20Communications
  7. M

    please help in to understand basic of cyclic prefix

    Because fft is cyclic, if you got N symbol the 0 and the N+1 symbol is the same that why when you put the end of your ofdm symbol at the begin the say it cyclic prefix. But the are some applications who use zero padding for using few power but they lose orthogonality more than when you use...
  8. M

    Handover in Wimax: Basestation versus Mobile station

    Re: Handover in Wimax If I understand your question: The basis to make handover is on the power of signal to BS side after it depend of the number of user if the BS is busy, in the GSM case and i think it's the same with WIMAx too.
  9. M

    wideband and narrowband

    When can when can we say a modulation is wideband or narrowband.
  10. M

    help peabird usb wifi

    I have linux and I want to use may peabird usb 802.11G on linux system, how can I do? I need linux driver for my usb.
  11. M

    Help me understand one equation for OFDM transmitter

    Can someone explain me how to get the eq (6) best regards
  12. M

    Channel Model in Matlab for Underwater Acoustic Comunication

    Re: Channel Model in Matlab for Underwater Acoustic Comunica I need it to if you get it can you send me it.
  13. M

    I need information about the channel chara. of underwater

    Re: Underwater channel model I'm working on underwater communication with Multicarrier modulation like OFDM, I'm juste begin and I need someone to discuss with. It ' s important because it difficult to find information and other so if you want we can change.
  14. M

    Underwater acoustic communication

    I'm looking for someone who have work on underwater communication, Talking about the underwater channel modeling.
  15. M

    is there WIMAX Design Simulator

    how to design mobile wimax with simulator Go on central matlab you can find simulator, but you will not understand how he run if you don't know about wimax phy.

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