program(1).zip - matlab codes DVS-H
matlab 2010a,2013-03-10 16:34:30,下载4次
programy(1).zip - Created OFDM coder and decoder for baseband signal transmission in 2K mode without error correction capabilities. ,2013-03-10 16:33:10,下载5次
PrilohaDP_PD.zip - Subject of this thesis is elemental description of DVB digital television and digitalization process of its terrestrial transmission according to DVB-T standard. The thesis characterizes in detail RF transmission channels used for wireless distribute of television. These channels ale mathematically described and their effect to OFDM signal is simulated in the MATLAB environment. ,2013-03-10 16:30:39,下载8次
Programy.zip - his program was created in Matlab GUI. This program enables to browse error correction process step by step. This program contains graphic interface with many options and display results.In the third part is described program created in Matlab Simulink that was implemented into the TMS320C6713 kit and there is description of measuring procedure. For verification of efficiency of turbo codes was measured any parameters. Some of these parameters are: number of decoding iterations, generating polynoms and using of puncturing. The last part contains measured value and result evaluation.,2013-03-10 16:24:03,下载9次
simulace.zip - his master’s thesis deals with satellite transponders. Firstly, satellite communication basics, satellite services definitions, frequency bands and satellite orbits are investigated. The second chapter forms the satellite transponders analysis. The transparent transponder and the transponder with on-board processing are described. Finally, a transponder model is designed and simulated in communication chain.,2013-03-10 16:22:22,下载10次
Localize--m.funkcie.zip - INTERFERENCE LOCATOR FOR EGSM AND UMTS FREQUENCY BANDS
matlab function
Diploma thesis describes direction finding principles for passive localization of emitting source. Direction finding system with one rotating antenna was chosen with triangulation calculation of emitter position. Input parameters are position of measurement point and direction of maximum signal receiving level. A suitable digital compass module and GPS receiver module for this measurement was chosen. For this purpose was created a graphic user interface, which allow user to communicate with external devices and control spectrum analyzer. Results of measurements are displayed at map, together with area of possible positions of transmitter. Receiving Yagi antenna is placed on rotator and whole system is placed on roof of car. Whole system was construct and results of measurement are discuss here.,2013-03-10 16:10:31,下载15次
Uspjesan_OFDMA_Uplink.zip - Matlab Simulink 2012a
Model shows how this complex OFDMA technique works on the simple Uplink example.
Model consists of two users (transmitters) who send bursts of data to a base station (receiver). Channel is clear, and no correction coding is used, for the sake of simplicity. Transmission is in base band, and is considered synchronized. Bursts of data are raw, without control bits. All of these: AWGN noise or fading, correction coding, transmission in bandpass channel, and control bits can be added easily. For the simulation of asynchronus link, i don t know.,2013-03-10 16:04:40,下载26次
SatAttentuation.rar - A GUI software I made to calculate the carrier-to-noise-density ratio of a earth-satellite link.,2013-02-25 14:26:46,下载9次
WiMAX_matlab.rar - Wimax physical layer simulation using mandatory channel coding. ,2013-02-25 14:21:00,下载25次
UMTS-GUI.rar - The model consists of Physical layer simulation for downlink. Matlab GUI,2013-02-25 14:19:16,下载12次
LTe-dowlink.rar - The LTE link level simulator is a comprehensive simulation software used for algorithm development, performance evaluation and system validation associated with LTE systems. matlab GUI,2013-02-25 14:15:19,下载29次
CDMA_simulator.rar - This is a General CDMA simulation. All code.,2013-02-25 14:14:21,下载2次
BER.rar - BER Comparison of different modulation using AWGN channel (Matlab GUI),2013-02-25 14:12:55,下载4次
Wireless_Designer.zip - Computer application with implemented Okumura-Hata propagation prediction model and free space propagation loss model. Prediction code is used to predict outdoor propagation effect in any outdoor environment: urban, suburban, and rural. Application is giving a possibility to plan radio cells into the map uploaded from the file to provide maximum coverage with minimum number of transmitters in pointed localization. Application also provides additional functions like comparing different environments, calculating probability of the coverage, output of spectrum analyzer, and antenna pattern design.
MATLAB release MATLAB 7.5 (R2007b) ,2011-03-17 01:17:16,下载101次
Binary_PSK.zip - This script simulates the Binary Phase Shift keying. Since BPSK is a digital modulation scheme, you can modulate as many bits as you want. however, I have only simulated it for few bits, so that the results are visible.
This is code for BPSK only, means it can only modulated two digital states on two different phases.
I hope this will help out students and instructors alike.
MATLAB release MATLAB 7.7 (R2008b) ,2011-03-17 01:09:25,下载8次
Untitled2.zip - In this programe a highly scattered enviroment is considered. The Capacity of a MIMO channel with nt transmit antenna and nr recieve antenna is analyzed.capacity of MIMO the result dependences Capacity (bit/s/Hz), and the SNR (dB), in this simulation we used the initial SNR = 2, results of simulation for capacity of MIMO 2x2, 3x3, 4x4 systems
Required Products Communications Toolbox
MATLAB release MATLAB 7.5 (R2007b) ,2011-03-17 01:08:00,下载29次
Amplitude_Modulation.zip - This script simulates Amplitude Modulation. I have simulated Double Side Band with Large as well as supressed Carriers.
The Output shows the two modulations in both frequency and time domains.
Hope this will help out people.
Good Luck.
MATLAB release MATLAB 7.7 (R2008b) ,2011-03-17 01:06:15,下载7次
SignalModulations.zip - Modulate with matlab & simulink
Digital signal (QPSK,ASK,FSK,QAM...)
Analog signal (AM,FM,PM)
MATLAB release MATLAB 7.8 (R2009a) ,2011-03-17 01:04:25,下载110次
pcm.zip - In this program, MSE, Step size, Bit rate, Quantization Noise are also calculated,2011-03-01 18:26:58,下载11次
crosscorelation.zip - In signal processing, cross-correlation is a measure of similarity of two waveforms as a function of a time-lag applied to one of them. This is also known as a sliding dot product or inner-product. It is commonly used to search a long duration signal for a shorter, known feature. It also has applications in pattern recognition, single particle analysis, electron tomographic averaging, cryptanalysis, and neurophysiology.,2011-03-01 18:25:45,下载47次
reed_solomon_code.zip - Description
reed solomon code encoding
Required Products Communications Blockset
Communications Toolbox
MATLAB release MATLAB 7.11 (2010b) ,2011-03-01 18:24:32,下载10次
acf.zip - Computes ACF for a given series. Returns a vector of autocorrelations through lag p. Also produces bar graph of autocorrelations, with rejection region bands for testing (under white noise assumption) each autocorrelation = 0.
Example: >> myacf = acf(y,12)
Does not require any toolboxes.
MATLAB release MATLAB 7.8 (R2009a) ,2011-03-01 18:21:34,下载10次
dipole_1.zip - This program is a very basic three-dimensonal FDTD program with a source in the middle of the problem space.This similar to the two dimensonal problem but here we assume that the source is not a point source.
A simple Dipole Antenna consists of two arms where the current will flow and that causes the radiation.
Here un this simulation i just create a gap in between its two arm and create a free space region where i am launch the Gaussian Pluse and there after i see the response in free space.It will simple flowe the Ampere s Circuit law to govern this uper radiation equation.
MATLAB release MATLAB 7.0.4 (R14SP2) ,2011-03-01 18:19:46,下载39次
SDR.rar - A software defined radio is a transmitter and receiver system that uses digital signal processing (DSP) for coding, decoding, modulating, and demodulating data. This project focused on using the IEEE 802.11a specification to create a software radio.The feasibility of using Mathwork,s Simulink and Texas Instrument¡ ¯ s Code Composer Studio to design, test, and prototype an OFDM.,2009-08-09 22:33:44,下载162次
am_fm.rar - Basic familiarization about AM and FM, i have taken my speech to check whether AM or FM properly recover the signal or not, after modulation and demodulation.,2009-08-09 22:29:29,下载23次
QPSK_TX_IQ_RX_REV1.rar - M-file models a QPSK RXTX at passband using a correlation receiver and low pass filters. This m-file is a revision of QPSK TXRX SYSTEM ANALYSIS published earlier.,2009-08-09 22:19:51,下载14次
DS_BPSK_TX.rar - This m file generates a DS BPSK transmitter(spread spectrum) using PRBS s which are modulus 2 added(exclusive ored)with the message and then used to BPSK modulate a carrier.,2009-08-09 22:17:43,下载18次
Spread_2.zip - This program deals with Spread spectrum communication systems using chaos as the sequence generators.In coming days I will be updating it with complete chaos based generators Frequency Hopping and CDMA systems with multiple users and till oustic networks poustic networks phase.,2009-08-09 22:15:05,下载42次
ofdm_signal.rar - This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the guard interval (GI) is inserted.,2009-07-28 03:37:46,下载8次
DPCM_Testing.rar - This files converts the voice signal to DPCM mode for transmission.,2009-07-28 03:34:32,下载9次
convolenc.rar - M-file encodes that the binary sequence given at its input.in this file x denotes the input sequence and it can be of any length.it performs the encoding using logical functions. ,2009-07-28 03:32:57,下载1次
Carrierless_16-QAM_(CAP)_Modem.rar - This is a Simulink Model I created for a Digital Communication Systems class. It demonstrates Carrierless Amplidute Phase(CAP) Modulation and uses a raised cosine pulse to implement a 16-QAM modem.,2009-07-28 03:31:19,下载54次
Asynchronous_CDMA.rar - This is the simulink file that demonstrates the fundametal principle of operation behind asynchronous CDMA systems using Welsh codes. The system performance can be evaluated by changing the processing gain at the transmitter and by increasing or decreasing the SNR of the channel.,2009-07-28 03:29:10,下载38次
ofdmRK777.rar - This simulation simulate wireless Coded OFDM over mobile multipath fading channel. The model use QPSK, Reed-Solomon Channel Coding, and training based channel estimation. ,2009-07-28 03:26:56,下载40次
digital.zip - Digital Communication System - Various routines that simulate or compute aspects of digital communication systems,2009-07-28 03:22:43,下载2次
InPolyedron27072009.zip - nPolyedron detects points inside a manifold closed surface. The normal orientation is assumed to be outwards. Warning there is no check for closed surface or normal orientation.
Open surfaces will give nonsense results.,2009-07-28 03:00:51,下载11次
ROC.zip - After receiving several bug reports, I rewrote this function, hoping that now it works well in every situation.
ROC - Receiver Operating Characteristics.
The ROC graphs are a useful tecnique for organizing classifiers and
visualizing their performance. ROC graphs are commonly used in medical decision making.
If you have downloaded partest ,2009-07-28 02:58:01,下载59次
partest.zip - This function calculate the performance, based on Bayes theorem, of a clinical test. The input is based on a 2x2 matrix (true positive, false positives false negative, true negatives).
The Outputs are:
- Prevalence of disease
- Test Sensibility with 95 confidence interval
- Test Specificity with 95 confidence interval
- False positive and negative proportions
- Youden s Index
- Matthews Correlation Coefficient
- Number needed to Diagnose (NDD)
- Discriminant Power
- Test Accuracy
- Mis-classification Rate
- Positive predictivity
- Negative predictivity
- Positive Likelihood Ratio
- Negative Likelihood Ratio
- Test bias
- Diagnostic odds ratio
- Error odds ratio,2009-07-28 02:56:49,下载33次
sampleWithoutReplacement.zip - Sample/ choose/ pick/ bag without replacement from a row vector.,2009-07-28 02:55:06,下载2次
kmplot.zip - 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.,2009-07-28 02:53:33,下载163次
cellular.zip - This is a MATLAB GUI that will calculate cellular wireless traffic in a given area and draw suggested locations for every transmitting location,2009-07-28 02:42:18,下载88次
MIL_STD_188_100B_Simulink_Demo.zip - 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 lengths: 0.6s and 4.8s.,2009-07-28 02:40:11,下载41次
ACF_of_PN_Sequence.zip - This m-file finds the periodic ACF of all the m-sequences of length 31.In this program m-sequences of length 31 are generated and its periodic Autocorrelation function is plotted..,2009-07-28 01:24:17,下载5次
udplib.zip - This library contains four blocks for UDP send and recive. You can communcate with binary data (chars) or non-nested buses.
MATLAB 7.4 (R2007a) ,2009-07-28 01:18:39,下载30次
ekf.zip - The state space model is nonlinear and is input to the function along with the current measurement. The function performs the extended Kalman filter update and returns the estimated next state and error covariance
MATLAB 7.6 (R2008a) ,2009-07-28 01:16:01,下载52次
tpc.zip - 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.
MATLAB 6.5 (R13) ,2009-07-25 22:27:21,下载65次
callprocess.zip - Simulink® and Stateflow® model of the top-level states of IS-95A mobile phone call processing.
MATLAB 6.1 (R12.1) ,2009-07-25 22:26:03,下载18次
jtcp.zip - Transmission Control Protocol (TCP/IP) communications are used to send data from one computer to another over a network or from one application to another within a single computer.
MATLAB release MATLAB 7.8 (R2009a) ,2009-07-25 22:20:40,下载25次
Direct_sequence_spread_Spectrum.zip - This m-fine plots the transmitted and received signal of simple DS-SS modulation.This uses BPSK modulation for data,2009-07-25 22:18:59,下载9次
BER_of_BPSK_DS-SS.zip - his 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.,2009-07-25 22:17:34,下载31次
DSSS_enhanced_with_a_coarse_time_synchronization_ - The .m file simulates a Spread-Spectrum Modulation Trx/Rcx system, in which, the phase of the pseudo-random sequence generated in the transmitter and used to encode the data stream is unknown a priory at the receiver.A parallel search strategy is employed to locally determine it in the place. It works as here: selecting the maximam-energy low-pass filtered signal of the set of all hypothesied despreaded ones using different hypothesized phases for the PN-sequence.The simulation can be growed in several ways including considering various types of noise and jammings or also designing better filters.,2009-07-25 22:14:02,下载16次
apublier.zip - The multipath performance of a given signal/receiver combination depends on various signal and receiver parameters like signal type/modulation scheme pre correlation bandwidth and filter characteristics, chipping rate of code ,relative power levels of multipath signals ,chip spacing between correlators and type of discriminator used for tracking.
For the following analyses the influence of code multipath will be illustrated by means of multipath error envelopes.
In these diagrams, the resulting ranging errors are plotted as a function of geometric path delay .the computation of
multipath errors envelops is based on the assumption, that the direct signal component is always available and that only one
multipath signal is present,2009-07-25 22:11:48,下载29次
rayleigh.zip - I m actually having trouble with the equalization of the channel, because the doppler effect introduces phase rotation, which I don t know how to correct. If anyone could help me, I d be really thankful.,2009-07-25 22:07:25,下载13次
BluetoothVoice.zip - Simulink model of a Bluetooth communication link transmitting HV1, HV2 or HV3 voice packets.,2009-07-25 22:06:24,下载12次
signal_webinar_july2009.zip - The PDF file along with the MATLAB code will step you through how to use the MATLAB® Signal Processing Toolbox™ and the Filter Design Toolbox™ to analyze and optimize the design of the digital down-converter chain for GSM applications.,2009-07-25 22:02:31,下载13次
MIMO-Matlab.rar - MIMO Tool is a toolbox for MATLAB (it works fine in every version from 5.3 until 7.8) developed with the aim to offering a complete toolbox for continuous time MIMO linear systems analysis and robust control synthesis.,2009-07-25 22:00:59,下载22次
FM_phase_noise_.zip - The file calculates and plots FM noise sidebands for a carrier. It also does sinusoidal modulation. This simple way of adding noise to a carrier is useful for simulation of PLLs. It turns out, though, that the mean of the randn function is not as close to zero as it could be, and this causes the fft to generate extra sideband energy, which makes it appear as if the noise is not what would be expected. This program gets around this by adding a fudge factor to the randn results to eliminate this problem. It took me ages to figure this out, I hope to reduce a similar effort for others.,2009-06-20 01:19:07,下载8次
hamming.rar - 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 receiver end it detects and decodes the errorneous pattern
and shows the correct code that was transmitte,2009-06-20 01:17:03,下载4次
wimax_phy_layer_simulation_code.zip - am submitting wimax phy layer simulation file .
using ieee 802.16e OFDM air interface.
It is first version and likely to be revised very soon with other features. Please wait till that. ,2009-06-20 01:16:20,下载112次
walshcode.zip - This function generates Walsh Codes. The difference between this function and other functions available to generate walsh code is :
1. you can call this function directly in your script, you will have to pass only the value of a (length of code is 2 ^ a)
2. this function can return you both the walsh matrix and randomly selected row (you may need just one sequence for your script)
for usage details refer to file.
syntax: var = walshcode(x)
x = (0, 1, 2, 3, 4, ....)
==> length of code y = 2 .^ x = (1, 2, 4, 8, 16, ....)
by default the var will be a matrix (y x y) for getting any one sequence go to the file and invoke another built in function by removing (refer file),2009-06-20 01:10:28,下载17次
ovsf.zip - This function generates OVSF code (Orthogonal Variable SPreading Factor)
Usage:
x = ovsf(y,z)
x, the output cell array having required OVSF codes
y, number of codes required
z, array having length of each code to the base 2 i.e. 2.^2 = 4
example y = 3 z = [4 2 3]
this will give a cell array with [1x4] [1x8] [1x16]
length = 2.^n , enter n in length of array
The code is not optimized yet, user is free to optimize
do not forget to leave a comment
This is version 1 of the file, and it need optimization. More details of OVSF code can be found on wirelesscafe.wordpress.com,2009-06-20 01:07:25,下载35次
Gold_code_generation.zip - This m-file generate Gold Sequences of length 31 by taking the modulo-2 sum of two m-sequence generators.,2009-06-20 01:05:32,下载15次
entropy.zip - for entropy
H = entropy(S)
this command will evaluate the entropy of S, S should be row matrix
H = entropy([X Y Z])
this command will find the joint entropy for the 3 variables
H = entropy([X,Y],[Z,W])
this will find H(X,Y/Z,W).. you can use it for any combination of joint entropies
Please validate this function before using it ,2009-05-22 03:49:16,下载8次
UMTSFDDSimulation.zip - The UMTS Physical Layer model consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99). ,2009-05-22 03:36:10,下载37次
pnsequencegenrator.zip - To use this function just define a variable say var,
var = pnseq(a, b, c)
for a, b and c refer to the zip file,2009-05-22 02:36:37,下载2次
CDMA.zip - This script simulate DS-CDMA for two or more users.,2009-05-22 02:35:18,下载10次
ModelinRF.rar - This is a book about the compact modeling of RF power FETs,2009-05-22 02:22:54,下载3次
Digital_Modulation.zip - Modulation ASK, OOK, BPSK, QPSK, 8PSK
Digital modulation techniques,2009-05-22 02:11:31,下载43次