Qam

OFDM Signal generation and decoding using 64-QAM as the modulation technique. This type of OFDM is particularly useful for WiMAX and other Wireless and Multimedia Standards. Just run the Model and with different SNRs in the AWGN Channel Block observe the performance of the OFDM. Please leave your...

You can rum these files by my_speech.m file, taking an value like my_speech(64, 'qam') in the command window of MATLAB.

Use any simple radio transmitter to send Audio/Video or any other form of data via the soundcard. Rates up to 400kb/s possible. With two transmitters, 2way communication is possible. Uses quadrature amplitude modulation scheme (QAM). Robustness is done with Read Solomon coding, interleaving, and...


Platforms: Windows, Linux

Quadrature Amplitude Modulation (QAM) is demonstrated in matlab using graphical user interface.To use it open QAM figure file


Platforms: Matlab

These files just to simulate or demo M-QAM modem in case BER, channel model, signals in t and f domain.Overal proses from bit insertion at modulator to bit estimated in demodulator. We can see the change of signal in each block diagram.


Platforms: Matlab

This program to detects received signal from system that use QAM as modulator. Euclidiance Distance Minimum gets/decides signal based on minimum distance from the others.


Platforms: Matlab

theoretical and simulated BER are in good agreement in AWGN channel the result can be extended to general M-QAM using slight modification .


Platforms: PHP

In this file there are two m-files.One is function and other is program. So during running the program save both file in same folder.First open the function rect ,then and run the ber_QAM file. You will get the required result.Here simulation is performed for 10,000 symbols in the presence...


Platforms: Matlab

The QAM research has provided some useful MATLAB functions that make use of MATLAB's powerful GUI.To use it, open QAM figure file. Requirements: - MATLAB 7


Platforms: Windows, Mac, *nix, Matlab, BSD Solaris

This script simulates QPSK or 4-QAM modulation scheme in Rayleigh channel and compares it to theoretical limits.QPSK gives 3dB SNR degradation when compared to BPSK but twice as much throughput.I hope this will be helpful for students of wireless communication.


Platforms: Matlab

Modulate with matlab & simulinkDigital signal (QPSK,ASK,FSK,QAM...)Analog signal (AM,FM,PM)


Platforms: Matlab

A stack-based sequential depth-first decoder that returns Maximum-Likelihood solutions to M-QAM modulated MIMO system-type problems, i.e., a lattice decoder with optional justified rectangular boundary control. In such problems, the depth of the search tree is known and the number of children per...


Platforms: Matlab

Randomly generated information is modulated using 16 QAM and passed through Rayleigh fading channel and AWGN is added.PSAM (pilot symbol assisted modulation)i.e pilot symbols are inserted into sequence of information symbols periodically is done before transmission inorder to estimate channel...


Platforms: Matlab

1.input generation2.16-QAM modulation3.ifft4.bandpass modulation5.awgn channel6.bandpass demodulation7.fft8.16-QAM demodulation9.data recovery


Platforms: Matlab

1.random input data generation2.symbol mapping3.16-QAM modulation4.ofdm signal generation


Platforms: Matlab

A stack-based sequential priority first decoder that returns Maximum-Likelihood solutions to M-QAM modulated MIMO system-type problems, i.e., a lattice decoder with optional justified rectangular boundary control. In such problems, the depth of the search tree is known and the number of children...


Platforms: Matlab

This code basically computes the BER of an OFDM system. The ifft size is 64 .16-QAM is the modulation Technique and convolution encoding rate 1/2 is used as the coding scheme.


Platforms: Matlab

This script calculates BER for a numebr of SNR values in gaussian environment for QAM 16 Modulation.It calculates 100 errors for each BER measuremnet for better results.I hope this will be helpful for students of signal processing and communications alike.


Platforms: Matlab

Linux::DVB is a Perl interface to (some parts of) the Linux DVB API. SYNOPSIS use Linux::DVB; This module provides an interface to the Linux DVB API. It is a straightforward translation of the C API. You should read the Linux DVB API description to make any sense of this module. It can be...


Platforms: *nix

ASI to IP Monitoring Software for Thor Broadcast ASI to IP Gateways. For use with Thor's current line of rack mount H-1ASI-IP gateway system. This system can transport DVB-ASI signals through a packet based IP network with low latency. Thor also offers bi-directional transport, one of the first...


Platforms: Windows