# Ber vs. snr plot for 8 ary qam in matlab

The following Matlab project contains the source code and Matlab examples used for ber vs. snr plot for 8 ary qam.
In this file there are two m-files.

The following Matlab project contains the source code and Matlab examples used for ber of m qam over rayleigh channel.
The program compares theoretical & simulated results together on the same plot..!!!

The following Matlab project contains the source code and Matlab examples used for ofdm signal tranmission and reception in awgn channel.
1.input generation
2.16-QAM modulation
3.ifft
4.bandpass modulation
5.awgn channel
6.bandpass demodulation
7.fft
8.16-QAM demodulation
9.data recovery

The following matlab project contains the source code and matlab examples used for qam modulation.

The following Matlab project contains the source code and Matlab examples used for ber different channel models and modulation schemes.
-Simulation of different channel models with different modulation schemes (BPSK, QPSK, 16-QAM, 64-QAM)
-Also, applying Rx diversity with different combining techniques (SC, EGC, MRC)

The following Matlab project contains the source code and Matlab examples used for carrier & symbol timing recovery for n qam.
Timing recovery is a critical aspect of Digital Communications Receivers.

The following Matlab project contains the source code and Matlab examples used for ber curve for qam 16 in gaussian environment.
This script calculates BER for a numebr of SNR values in gaussian environment for QAM 16 Modulation.

The following Matlab project contains the source code and Matlab examples used for m qam modem demo.
These files just to simulate or demo M-QAM modem in case BER, channel model, signals in t and f domain.

The following Matlab project contains the source code and Matlab examples used for digital modulations.
Transmitted and received symbols for modulation techniques (ASK, PSK, QAM & FSK).

The following Matlab project contains the source code and Matlab examples used for implementation of 16 qam algorithm in the presence of awgn channel .
The program take an input stream of first 16 integers converted to binary form in the form of 4 bits least pass them on to the 4-bit register which takes first 2 bits to the I-channel and the next 2 bits to the Q-channel for modulation with cos and sin carriers respectively.

The following Matlab project contains the source code and Matlab examples used for channel capacity with qam inputs.
The function calculate the instantaneous capacity
of discrete inputs and continuous output memoryless channel.
BPSK, QPSK, 8PSK, 16-QAM, 64-QAM, 32-QAM
%% Gauss Hermite quadrature rules

The following Matlab project contains the source code and Matlab examples used for tetra (terrestrial trunked radio) physical layer 4 qam modulation.
TETRA is the digital version of the "Walky Talky" used by departmets like police, fire-fighters or ambulance in some countries.

The following Matlab project contains the source code and Matlab examples used for ofdm with 16 qam for r14.
OFDM Signal generation and decoding using 16-QAM as the modulation technique.

The following Matlab project contains the source code and Matlab examples used for ber comparison of m ary qam.
BER Comparison of different M-ary QAM using AWGN channel.

The following Matlab project contains the source code and Matlab examples used for matlab code for m array qam modulation.
MATLAB code for M-array QAM modulation but in this program, the default value of M is 4 means this code work as 4-QAM modulation.

The following Matlab project contains the source code and Matlab examples used for 16-qam modulation .
constellation ofdm symbol

The following Matlab project contains the source code and Matlab examples used for beamforming using m qam modulation.
You can simply change the order of modulation i.e M=4,16,64,128....

The following Matlab project contains the source code and Matlab examples used for transmit beamforming with qam modulation.
Transmit beamforming (TxBF) is a method of transmitting two or more phase-shifted signals so that they will be in-phase at particular points in space where the transmitter believes the receiver to be, thereby increasing SNR.

The following Matlab project contains the source code and Matlab examples used for 16 qam modulation.
this code performs the qam modulation for M=4.

The following Matlab project contains the source code and Matlab examples used for m qam modulation and demodulation.
you can rum these files by my_speech.m file, taking an value like my_speech(64, 'qam') in the command window of MATLAB.

The following Matlab project contains the source code and Matlab examples used for qam 16 modulation .
In phase and quad phase channel components used to generate qam

The following matlab project contains the source code and matlab examples used for bpsk modulation.

The following Matlab project contains the source code and Matlab examples used for simple exemples of 16qam & bpsk modulators .
to change modulation parameters open .m files.

The following Matlab project contains the source code and Matlab examples used for exact ber for gray coded 2^2n qam modulation with awgn.
Generates MatLab-code expressions describing the exact theoretical (raw) bit error ratio vs.

Phase-shift keying (PSK) is a digital modulation scheme that conveys data by changing, or modulating, the phase of a reference signal (the carrier wave).

The following Matlab project contains the source code and Matlab examples used for qpsk performance comparison for wireline and wireless channel.
The symbols are transmitted using Quadrature Phase Shift Keying (QPSK) 4-QAM. Simulated BER is calculated using ML detection scheme. Theoretical expression is 2*p-p^2, where p is BER for BPSK modulation

The following Matlab project contains the source code and Matlab examples used for ber curve for qpsk in rayleigh channel.
This script simulates QPSK or 4-QAM modulation scheme in Rayleigh channel and compares it to theoretical limits.

The following Matlab project contains the source code and Matlab examples used for fourqam ber simulation of 4 qam and qpsk.
The BER Performance of 4-QAM and QPSK over an AWGN channel are shown to be the same.

The following Matlab project contains the source code and Matlab examples used for ofdm with 64 qam.
OFDM Signal generation and decoding using 64-QAM as the modulation technique.

The following Matlab project contains the source code and Matlab examples used for 4 qam modulation .
this code performs the qam modulation for M=4. it means one symbols carries 2 bits and the total number of symbols mapped in scatter plot are 4.