Humax Receiver
This packet is a IS-95 baseband simulation for 1 data channel of 9.6 KBps rate. The simulation is written for static channel and AWGN noise.The packet include:1) Packet Builder (Viterbi Encoding, Interleaver, PN generation)2) Modulator (RRC filter)3) Demodulator (Matched Filter, RAKE receiver)4)...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): IS-95 Simulation Code Download |
Generic transmitter-receiver turbo coding scheme with puncturing and generic RSC coders. It represents the trellis structure and puncturing can be specified.BER plots can be output.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Turbo Coding For Generic RSC Coders Download |
This file set includes a top level unsychronized Tx / Rx model and a more detailed synchronized Rx model. The top level model Tx outptut has been tested with a third party reference mil-std-188-110 modem and found to generates compliant waveforms. A variable symbol rate Tx driving the...
Platforms: Matlab
License: Freeware | Size: 3.31 MB | Download (47): A Synchronized Mil-Std-188-110B Receiver Download |
Using the IEEE 802.11b specification for 5.5 Mbps CCK, this program demonstrates how a test data is modulated at the transmitter and then demodulated at the receiver. The program has been tested to run on Matlab version 7.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): 802.11b 5.5 Mbps Complementary Code Keying Simulatio Download |
Simple Matlab example simulating a BPSK transmission and reception in Rayleigh channel. The script performs the following(a) Generate random binary sequence of +1d-deOaos and -1d-deOaos.(b) Multiply the symbols with the channel and then add white Gaussian noise.(c) At the receiver, equalize...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): BER for BPSK in Rayleigh channel Download |
This application example implements an end-to-end baseband communications system compliant to the US MIL_STD_188_110B intended for long-haul and tactical communications.This model supports four different data rates: 1200bps, 600bps, 300bps and 150bps. It also implements two different interleaver...
Platforms: Matlab
License: Freeware | Size: 153.6 KB | Download (46): Defense Communications Download |
Compute 2D - MultiWall model Usage------ rs_amp = multiwall_model(TXpoint , RXpoint , walls , material , [L0] , [n]); Inputs------- TXpoint Transmitter points (2 x Nt)RXpoint Receiver points (2 x Nr)walls Walls (4 x nwall) where [xi,0 ; yi,0 ; xi,1 ; yi,1] are coordinates of the i'th wall, i =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): 2D Multiwall model 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 |
This file sets up a simulation environment for analyzing receive systems, gives a basic example, and checks that the results reflect the setup. It is handy because it allows the basic simulation environment to be specified quickly and easily, generates a bunch of useful variables, and takes care...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Set up the Environment for a Receiver Analysis 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 |
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
License: Freeware | Size: 10 KB | Download (42): OFDM Trasnmitter and Receiver (Matlab Code) Download |
Simulink model of a simple direct-sequence spread spectrum system with RAKE reception.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 92.16 KB | Download (39): RAKE receiver for DS-SS systems Download |
Multiscreen difraction PLmsd due to N+1 buildings replaced by equivalente N+1 absorving screen is quantized as 20log10(|Q(N+1,gc)|).Wb: distance between buildings;Ws: street width;ht: tx antenna heigth;hb: mean building height;N+1: Number of buildings before receiver;f: frequency (MHz);hr:...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): XMB.ZIP - Normalised Field Q(N+1,gc) Download |
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.ftp://ftp.dlink.fr/Windows_Seven/White%20...0technology.pdf
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Transmit Beamforming Download |
General DS-CDMA transmitter and receiver simulationIn this zip file, there are three files;the main program (cdma_assignment) which is the simulation of any number of users and any number of bits for each user. The second and third files are the functions used in the main file, they are cdmat.m...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): This is a General CDMA simulation Download |
This Model has covered most of the physical layer blocks which is used in Zigbee Protocol.In the transmitter, spreading is done using a PN Sequence at chip rate of 2 Mcps and then the spreaded bits are modulated using OQPSK modulator. In the receiver side, OQPSK demodulation is done first,then...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): Modulation & Demodulation in Zigbee Download |
The given plug-in copies materials from other sites.Copying occurs through parsing RSS of a tape of a site-source, however, information extraction can occur not only from RSS, but also from site pages.Distinctive features of the given plug-in:1. Parsing RSS of a tape of a site d-deOCt a source...
Platforms: PHP
License: Shareware | Cost: $0.00 USD | Size: 102.4 KB | Download (40): ElSa grabber Download |
Documentation is still very sparse and any help is appreciated. Otherwise bear with me I hopefully will be able to provide the first properly documented version soon. You can download the latest source code from the sourceforge summary page Some information about the genetic algorithm joint...
Platforms: Mac
License: Freeware | Size: 286.72 KB | Download (37): GPLib++ Download |
A set of very small categories for NSString, NSMutableString, NSArray, and NSDictionary that add a few sorely lacking features (isEmpty and containsKey: methods, for instance). These functions can be found in MPFunctions.h. . NSString *MPHexStringFromBytes(void *bytes, NSUInteger len) ....
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (40): MPTidbits Download |
Broadcast radio waves from KPhET. Wiggle the transmitter electron manually or have it oscillate automatically. Display the field as a curve or vectors. The strip chart shows the electron positions at the transmitter and at the receiver.
Platforms: Mac
License: Shareware | Cost: $0.00 USD | Size: 942.08 KB | Download (41): Radio Waves & Electromagnetic Fields Download |