Distant Channel Legislation
Sound Delay is an auxiliary multi-channel signal delaying AU and VST plugin for professional audio applications. You may specify delay time in both milliseconds and samples, with a high level of precision. This plug-in - being technical in its purpose - provides a basic signal delaying function...
Platforms: Windows
License: Freeware | Size: 5.5 MB | Download (655): Voxengo Sound Delay Download |
Instant access to real-time local weather information is one of the Internet's underrated pleasures. There are Web sites, feeds, gadgets, widgets, e-mail and IM alerts; just about every Net platform has brought you the weather at some point. Free desktop utilities that import weather conditions...
Platforms: Windows
License: Freeware | Size: 307 KB | Download (53): The Weather Channel Desktop Download |
Dimensions extends the Tiles Document Assembly Framework of Struts 1.1/1.2 to become a multi-channel display framework capable of delivering customized content to virtually any device, any user role or other criteria in any format.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 45.74 KB | Download (43): Dimensions Multi-Channel Framework Download |
PircS is a PHP based IRC bot that logs channel statistics to an SQL backend and parses that data to generate text and graph representations of the channel traffic and events.
Platforms: Windows, Mac, *nix, PHP, BSD Solaris
License: Freeware | Download (58): PHPPircS Download |
Implements soft-decision Viterbi decoding for a rate 3/4 code over an AWGN channel using Simulink.The Viterbi decoder block from the Communications Blockset is enhanced to optimally support punctured codes.The attached BERTool session file compares the BER performance as the number of bits are...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (47): Soft-Decision Viterbi Decoding with Puncturing Download |
This program performs a Monte Carlo simulation of a coherent QPSK communication system and plot the error probability performance over additive whit Gaussian noise channel. The detection is based on correlation metric. Simulation is performed for 10,000 bits and measurements are made accordingly.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Coherent QPSK simulation and BER vs. SNR curve Download |
This is a simulator made in my thesis work (I've shown in my thesis work, that CDMA can increase channel capacity). It can simulate a CDMA encoding and decoding process.The data is assumed to be travelled through a coaxial cable. the effect of coax and CDMA is considered. You have to run the file...
Platforms: Matlab
License: Freeware | Size: 51.2 KB | Download (49): Coaxial Cable Based CDMA System Simulation Download |
1.input generation2.16-QAM modulation3.ifft4.bandpass modulation5.awgn channel6.bandpass demodulation7.fft8.16-QAM demodulation9.data recovery
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): OFDM signal tranmission and reception in AWGN channel Download |
This m-file finds the bit error rate performance of BPSK DS-SS system over (i) AWGN channel and (ii) Slow Rayleigh fading channel corrupted by AWGN. Compare the performance with simple BPSK system.In this simulation I have used two functions.So to see the result open all the files and then run...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): BER of BPSK DS-SS System Download |
Simulink and Stateflow model of IS-95A CDMA reverse traffic channel power control. Includes reverse traffic channel physical layer, together with open and closed loop algorithms for base station and mobile implemented as state machines with Stateflow. Zip file includes pdf of associated article.
Platforms: Matlab
License: Freeware | Size: 92.16 KB | Download (39): IS-95A CDMA Power Control Download |
A MFSK channel with AWGN is simulated. The simulation is implemented as per the book Digital Communications by Proakis. Reed-Solomon coding is used to enhance the reliability of the system.
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (46): MFSK modulation in AWGN noise, with Reed-Solomon decoding Download |
A fast vectorized implementation of the ncc that handles color (3 channel) images as well as gray level.The algorithm for colored images is based on the ncc formulation for vector valued functions.Note: A bug that I found in the normxcorr2 was also fixed here.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Fast normalised cross correlation for gray-level and color images Download |
The following code takes input as 'k' bits of message and then gives thepossible codewords that could be put into channel inorder to transmitit.Thereafter, it asks the user to introduce an error in any of its bitsand then at the receiver end it detects and decodes the errorneous patternand shows...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): HAMMINGS CODE IN MATLAB FOR LBC Download |
The AWGN Channel Block in the Communications Blockset lets you specify SNR in several ways, including Eb/No. Sometimes people want to use a more itemized way of specifying the SNR, like the itemization found in a link budget.These two models show how to create equivalent implementations of a...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Link Budgets with Communications Blockset Download |
DSSS over AWGN channel simulation.Receiver is implemented by intergate and dump operation.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): DSSS system using integrate and dump for detection Download |
LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and simplified log-domain SPA decoder.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (53): LDPC codes BER simulation Download |
LU Decomposition is applied to a sparse banded matrix. We show how fill-ins can make solution by elimination not manageable. The same matrix is used to solve the Poiseuille flow problem in a rectangular channel using the finite differences approach. The result obtained using this numerical...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (49): Poiseuille Flow in a Rectangular Channel Download |
TCM with BCJR (Log-Map) & channel EncoderUngerboeck's TCM with BCJR (Log-Map) Decoder with Generater Polynomial
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Trellis Code Modulation Matlab Code Download |
Non Convex Optimization Algorithms for Group SparsitySolves a dummy OFDM sparse channel estimation problemReweighted Lm,p algorithm for noiseless case min||x||_m,p s.t. y = AxReweighted Lm,p algorithm for noisy case min||x||_2,p s.t. ||y - Ax||_qSmoothed L2,0 algorithm solves a smooth version...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Non Convex Algorithms for Group Sparse Optimization Download |
The following program is written to simulate a randomly generated message under BSC(p) channel. It examines whether or not the generator polynomial is strong enough to be used at a given packet size and crossover probability p. Error patterns are rondom.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): CRC control simulation Download |