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Recent content by ReComm

  1. R

    spartan3A 3400 programming

    dear friends, I have "XtremeDSP Development Platform – Spartan-3A DSP 3400A Edition" kit I want to program it simply with and gate , dff , but it has a lot of option in download , i also don't know the clk pin to use it later in co simulation with simulink for communication tasks the kit...
  2. R

    OFDM frequency offset Estimation and correction

    Thanks for your help :-D Any suggestion regarding writing with matlab
  3. R

    OFDM frequency offset Estimation and correction

    thanks but it either gives me not found page or a page in Chinese language ...No pdf file
  4. R

    OFDM frequency offset Estimation and correction

    Dear friends I want references in different techniques used in "OFDM frequency offset Estimation and correction ". Also i need a guide to stat writing these techniques with Matlab codes
  5. R

    EbNo BER problem in noise channel model

    how can i use new correct formula for QAM128?
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    EbNo BER problem in noise channel model

    I use the following formula to generate noise in AWGN BPSK and QPSK , but it failed in QAM16,QAM256 Any suggestion , why it failed? Es = Rc * log2M*Eb σ2 = No/2 Rc : Coding rate =1 M : constellation points Es: energy per symbol Eb: energy per bit σ : Standard deviation No : noise spectral...
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    OFDM Carrier Frequency Recovery

    OFDM Carrier frequency estimation and compensation (correction) References Dear Friends, I want some references on OFDM estimation and compensation (correction) techniques for carrier frequency offset (CFO) to help me understand and implement them by Matlab Thanks in advance.
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    OFDM Carrier Frequency Recovery

    The following code is used to estimate and correct the frequency offset errors for a single carrier system %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% freqOffset = 0; phaseOffset = 0; hPFO = comm.PhaseFrequencyOffset('FrequencyOffset', freqOffset, ... 'PhaseOffset', phaseOffset, ...
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    OFDM CFO estimation and compensation

    I used an matlab example " syncCarrierFreqMSKSignalRecovery" to construct my model and apply it for QPSK system,it works . but when i applied it to OFDM-QPSK , it doesn't work. Kindly advice Matlab Code ============ %Initilization %%%%%%%%%%%%%%%%%%%% nBitPerSym = 64; % number of bits per...
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    [SOLVED] OFDM BPSK BER Problem

    Thanks for your help.
  11. R

    [SOLVED] OFDM BPSK BER Problem

    Thanks for your cooperation but when i but the next parameter with4, it gives the same error of mismatch nFFT = 4; % fft size nDSC = 4; % number of data subcarriers nBitPerSym = 4; % number of bits per OFDM symbol (same as the number of subcarriers for BPSK) Thanks wait your reply,
  12. R

    Does Xilinx XST understand VHDL configuration delcaration?

    These Statements are used to direct the compiler to right entity and Architecture what about to comment them and compile your small entity of module_A before your upper unit.
  13. R

    [SOLVED] select and access blocks of ROM in verilog/vhdl

    module rominfr (clk, en, addr, data); input clk; input en; input [4:0] addr; output reg [3:0] data; always @(posedge clk) begin if (en) case(addr) 4’b0000: data <= 4’b0010; 4’b0001...
  14. R

    How to learn Matlab & Where i get support for learning Matlab.

    Try for introduction: **broken link removed** and the help of matlab it self is great.
  15. R

    Help me with ADC module of PIC16f877A microcontroller

    1 ADC channel in micro controller is used to measure analog input , you can use it to read any analog sensors ex. temperature , and use the other one to read analog voltage...So on what do you mean by grouping ADC channel
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