Code for calculating the receiver operator characteristic (ROC) and the area under ROC (AUC). AUC is a measure of prediction accuracy, where anything above 0.5 is better than a random prediction.
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...
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.
Simulink model of a dual-tone multi-frequency (DTMF) generator and receiver. Includes bandpass filter bank receiver, real-time soundcard audio, spectrogram of channel and uses Stateflow block to store decoded digits.
NOTE: A version of...
This is a code for simulation of BPSK receiver using Direct Sequence Spread Spectrum. The performnace is evaluated in presence of AWGN and Rayleigh fading. Jakes' Model has been used to obtained coefficients for rayleigh fading.
this simple system illustrates the effect of Doppler frequency on signal
transmitter : transmitted sin wave with freq kHz
target :changes the the freq of transmitted signal
receiver: receive the signal and produce Doppler frequency
The following code takes input as 'k' bits of message and then gives the
possible codewords that could be put into channel inorder to transmit
it.Thereafter, it asks the user to introduce an error in any of its bits
and then at the...
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...
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)
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.
GPSTk project provides you an open source library for the satellite navigation management. The GPSTk library provides the base functionality for the GPSTk applications and for a number of other independent projects. There are several categories of...
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...
psd is power spectral density for receiver
Automation designed to use network protocols at a high level to retrieve, manipulate and move data from disparate sources to receiver sites. Will include support for embedded devices over bluetooth.
This is a crude attempt at quasi-realtime signal processing using the PC sound card as an analogue data acquisition device. The cardiogram signal is generated by a Polar heart rate monitor strap and transmitted wirelessly to a receiver connect to...
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.
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.
Platform: Matlab 6.5
The project provides a graphical user interface made d-deOCÂ¦d-deOCÂ¦in GUIDE.
Consists of Delta Modulation and Adaptive Delta, which are modulation techniques which is one bit quantizer.
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,...
The code is customizable and scalable version of Lambertian Emission (only incident) of 1 LED.
You can customize:
2)Position & Orientation of Transmitter and Receiver
3)Characteristics of Tx and Rx, etc.