pick the correct program to find BERSelect one:a.M = 16; % Modulation orderk = log2(M); % Bits per symbolnumSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataIn,M);rxSig = awgn(txSig,snrdB,'measured');rxSym = qamdemod(rxSig,M);dataOut = de2bi(rxSym,k);nErrors = biterr(dataIn,dataOut);b.M = 16; % Modulation orderk = log2(M); % Bits per symbolsnr=20numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = qamdemod(rxSig,M);nErrors = biterr(dataIn, rxSym)c.M = 16; % Modulation orderk = log2(M); % Bits per symbolnumSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataSym,M);rxSig = awgn(txSig,snrdB,'measured');rxSym = qamdemod(rxSig,M);dataOut = de2bi(rxSym,k);nErrors = biterr(dataIn,dataOut);d.M = 16; % Modulation orderk = log2(M); % Bits per symbolnumSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = qamdemod(rxSig,M);nErrors = biterr(dataIn, rxSym)
Question
pick the correct program to find BERSelect one:a.M = 16; % Modulation orderk = log2(M); % Bits per symbolnumSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataIn,M);rxSig = awgn(txSig,snrdB,'measured');rxSym = qamdemod(rxSig,M);dataOut = de2bi(rxSym,k);nErrors = biterr(dataIn,dataOut);b.M = 16; % Modulation orderk = log2(M); % Bits per symbolsnr=20numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = qamdemod(rxSig,M);nErrors = biterr(dataIn, rxSym)c.M = 16; % Modulation orderk = log2(M); % Bits per symbolnumSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataSym,M);rxSig = awgn(txSig,snrdB,'measured');rxSym = qamdemod(rxSig,M);dataOut = de2bi(rxSym,k);nErrors = biterr(dataIn,dataOut);d.M = 16; % Modulation orderk = log2(M); % Bits per symbolnumSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = qammod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = qamdemod(rxSig,M);nErrors = biterr(dataIn, rxSym)
Solution
The correct program to find BER (Bit Error Rate) is option b.
Here's why:
Option b correctly generates random data, modulates it using QAM (Quadrature Amplitude Modulation), adds white Gaussian noise to the signal, demodulates the received signal, and then calculates the bit error rate.
The other options have some errors:
Option a: The function 'biterr' is used incorrectly. It should compare the original data with the demodulated data, but in this case, it compares the original data with the demodulated data that has been converted to binary, which is incorrect.
Option c: The variable 'dataSym' is not defined before it's used to modulate the signal.
Option d: The variable 'snr' is not defined before it's used to add noise to the signal.
Similar Questions
choose the correct executable program if you had to find BER of 8-ary PSK modulationSelect one:a.M = 16; % Modulation orderk = log2(M); % Bits per symbolsnr=10numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = pskmod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = pskmod(rxSig,M);nErrors = biterr(dataIn, rxSym)b.M = 16; % Modulation orderk = log2(M); % Bits per symbolsnr=10numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = pskmod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = qamdemod(rxSig,M);nErrors = biterr(dataIn, rxSym)c.M = 8; % Modulation orderk = log2(M); % Bits per symbolsnr=10numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = pskmod(dataIn,M)rxSig = awgn(txSig,snr);rxSym = pskdemod(rxSig,M);nErrors = biterr(dataIn, rxSym)d.M = 8; % Modulation orderk = log2(M); % Bits per symbolsnr=10numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,1)txSig = pskmod(dataIn,k)rxSig = awgn(txSig,snr);rxSym = pskmod(rxSig,k);nErrors = biterr(dataIn, rxSym)
choose the program for BPSK which is executable and will display error rate and demodulated data Select one:a.M = 2; % Modulation orderk = log2(M); % Bits per symbolsnr=10;numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,k)txSig = pskmod(dataIn,M)rxSig = awgn(txSig,snr)rxSym = pskdemod(rxSig,M);round(rxSym)nErrors = biterr(dataIn, rxSym);[nErrors err_rate] = biterr(dataIn, rxSym)b.M = 2; % Modulation orderk = log2(M); % Bits per symbolsnr=10;numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,k);txSig = pskmod(dataIn,M);rxSig = awgn(txSig,snr);rxSym = pskdemod(rxSig,M);round(rxSym)nErrors = biterr(dataIn, rxSym);[nErrors err_rate] = biterr(dataIn, rxSym)c.M = 2; % Modulation orderk = log2(M); % Bits per symbolsnr=10;numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,k);txSig = pskmod(dataIn,M)rxSig = awgn(txSig,snr)rxSym = pskdemod(rxSig,M);round(rxSym)nErrors = biterr(dataIn, rxSym);[nErrors err_rate] = biterr(dataIn, rxSym)d.M = 2; % Modulation orderk = log2(M); % Bits per symbolsnr=10;numSymPerFrame = 50;dataIn = randi([0 k],numSymPerFrame,k)txSig = pskmod(dataIn,M)rxSym = pskdemod(rxSig,M);nErrors = biterr(dataIn, rxSym);[nErrors err_rate] = biterr(dataIn, rxSym)
In AM, the modulation frequency should beSelect one:a. Anything will workb. Greater than fcc. Equal to fcd. Lower than fc
y = pskmod(x,M)1. function may be used to achieve any M-PSK modulation2.If M=4 , it indicates QPSK3. the input data is passed through variable 'x'Select one:a. 1,3 is correctb. 1,2,3 is correctc. 2,3 is correct
What three types of encoded data are shown here? 01001000 01100001, 49206e656564206d6f, Q2lubmFtb24gcm9sbHASCIIHexadecimalBase64OctalBinary Previous NextGreat! You've made it to the end 💪Domains List
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