Communications System Toolbox Support Package for USRP Radio by MathWorks Communications System Toolbox Team

Support package installer file for USRP radio. (communications, signal processing)

SwarmFish - The Artificial Fish Swarm Algorithm by Leo Chen

SwarmFish - The Artificial Fish Swarm Algorithm Simulation Tool (swarmfish, swarmslab, sgalab)

SGA_FITNESS_function.m

SwarmFish_demo_MO_NSGAII.m

SwarmFish_demo_SO_std.m

Carrier & Symbol Timing Recovery for N QAM by Dick Benson

This model implements a contemporary symbol timing and carrier recovery scheme for 2-256 QAM. (16qam, qam, carrier)

QAMx_Synchronization_DT

QAMx_Synchronization_Mixed_CT_DT

walsh code by Ashish Verma

generate orthogonal code (communications)

walsh_code.m

Basic CDMA transmitter and receiver by Ashish Verma

CDMA link transmitter and receiver using DS-CDMA xor logic spreading...... (communications)

BASIC_CDMA.m

Chaotic Generators Demo by Bogdan Cristea

Chaotic generators demo can be used for studying the behavior of chaotic generators. (bifurcation diagram, attractor, chaos)

[waxis,Pyy,bic]=m_bicoher(y,nfft,wind,nsamp,overlap)

[waxis,Pyy]=m_powerspec(y,nfft,wind,nsamp,overlap)

attractor(action)

Continous phase FSK by Dipjyoti Sarma

Continous phase frequency shift keying (communications, signal processing)

CPFSK.m

Técnicas de Sincronismo para Sistemas de Comunicação Sem-Fio OFDM by Filipe Rodrigues

Implementa as técnicas de sincronismo do STO e do CFO para um sistema baseado no padrão WiMAX. (sto, cfo, wimax)

CFO_CP.m

CFO_Moose.m

CFO_Schmidl_Cox.m

Time multiplexing and demultiplexing by Ashish Verma

parallel data comes from inputs port of TDM, This data's create in form of matrix. (communications)

TDM_Testm.m

CDMA signal on AWGN by Ashish Verma

Spreading of single user data information (communications)

CDMA_Error_code.m

Random_sequence_property by Ashish Verma

Check random sequence by random properties (communications)

Random_sequence_property.m

Random Properties by Ashish Verma

Check randomness of PN sequence by random properties (simulation)

Random_sequence_property.m

Generation of PN sequence using polynomial by Ashish Verma

Generation of PN sequence using polynomial (cdma)

Polynomail_pn.m

Model-in-the-Loop for Embedded System Test (MiLEST) preliminary version by Justyna Zander

This is a draft preliminary version of the MiLEST Framework for eduction purpose. (automotive, simulink, demo)

Mask_Shut_off(varargin)

ReqName_callback(block)

ReqName_callback(block)

Analog / Mixed Signal Examples by Dick Benson

Extensive collection of examples for analog and mixed signal design work. (analog, pll, flyback)

[Out1,Out2]=qsynth(Action,In1,In2)

analyze_BPF(Lval,Cval,Z0)

example_sel2html(fn,new)

QPSK performance comparison for Wireline and Wireless channel by Yogesh K Soniwal

QPSK performance comparison for Wireline and Wireless channel (ber, rayleigh, qpsk)

qpsk.m

MATLAB EXPO 2012 JAPAN A3 session by Ryuhei Funada

MATLAB code presented in MATLAB EXPO 2012 JAPAN A3 session (communications)

...

[nStartFlg,wrappedPctFlg,varChrCl]=...

[prmNameCl,prmValsCl,iStartReadline,iEndReadline]=...

LDPC Convolutional Codes by Bagawan Nugroho

LDPC Convolutional codes simulation platform (ldpc, communications, error control coding)

decodeLdpccc(rx, baseHT, T, N0, iteration)

encodeLdpccc(u, T, HT)

makeBaseLdpccc(N, numOfOne)

correlation between two sequences by Deepak Kumar Rout

Program to find the correlation between two sequences without using the inbuilt xcorr function (correlation, signal processing, xcorr)

test1.m

OFDM Sparse Channel estimation by Hamid Ramezani

BER performance of LSE and sparse channel estimation for OFDM system. (ofdm, sparsity, channel estimation)

chabEst01_Para.m

Turbo Code by Yogesh K Soniwal

Turbo code performance over AWGN channel using RSC encoder & BCJR decoder for code [1,1+D+D^2/1+D^2] (turbo code, awgn, bcjr decoder)

[ALPHA]=alpha_1(GAMMA,N)

[BETA]=beta_1(GAMMA,N)

[g]=gamma_1(Apriori,N,Input_matrix,Parity_bit_matrix,R0,R1,...

Response of a chanel by asp

Attached file is a mtlab code of a channel response having gausian noise (chanel response)

Channal_response.m

Raptor and Fountain Codes by Roee Diamant

Implementation of both Reed-Solomon-based Raptor and (LT and Matrix) Fountain codes. (communications)

DecodeFountainLT(G, Code, Base)

EncodeFountain(G, msg, Base)

GenerateG(K, N, ColTH, TryNum)

Viterbi Decoder by Yogesh K Soniwal

Decoding of transmitted coded bit (using convolution code) at the receiver using Viterbi Algorithm (communication, viterbi algorithm, convolution code)

[next_state,output]=next_stage(current_state,input)

[prev_state,decoded_bit]=prev_stage(curr_state,distance_pre...

viterbi.m

IQ Baseband Builder by Neil Forcier

This application allows you to generate IQ baseband signals for the Agilent 33522A, 33522B, 33512B (iq, qam, wireless communicatio...)

IQ_Baseband_Builder.m

addWGNoise(yData, EbNo, nsamp,M)

ampImbalance(Ia, x)

(7,4)Hamming Code BER Simulation by Yogesh K Soniwal

(7,4) Hamming code simulation for Bit Error Rate(BER) using SOFT and HARD decoding Schemes (communication, ber, hamming code)

Hamming_BER.m

pi/4 DQPSK Modulation by Mohsen Farhang

Demonstrates modulation of a sequence of random symbols using pi/4 Differential Phase Shift Keying. (communications, signal processing, wireless)

pi4dqpsk_Demo.m

BPSK BER v/s SNR Simulation for AWGN channel by Yogesh K Soniwal

Binary Phase Shift Keying Simulation for BER v/s SNR of Additive White Gaussian Noise Channel (communications, bpsk, bpsk in matlab)

BPSK_Simulation.m

BPSK BER v/s SNR Simulation for AWGN and Rayleigh Wireless channel by Yogesh K Soniwal

Binary Phase Shift Keying Simulation for AWGN channel and Rayleigh fading Wireless channel (rayleigh in matlab, communication, awgn)

BPSK_Rayleigh.m

SCOPE: interactively tabulate SEER excel variables by Rex Cheung

This takes SEER excel column data interactively, tabulate them, write back in table format. (data import, data export, optimization)

output=xls2tabulate2xls(xlsfilename)

getTEKtrace by Micke

Retrives single trace from most Tektronix scopes over GPIB tested with TDS 3k and 784A and HP-54120B (gpib, instrument driver, data import)

Data=getTEKtrace(GPIB,CHstring)

pskdemodXOR by Damith Senaratne

Implements a demodulator object for M-PSK physical layer network coding. (demodulator, mpsk, psk)

pskdemodXOR

SAMPLING by ABHIJIT

Sampling theorem simulation (communication)

sampling.m

deb by Thiago Oliveira

Functions that returns db (convertion, db)

deb( x )

Simulation of an OFDM system with the PSD by Montadar Taher

This is an OFDM simulation that gives you the PAPR, BER, and the PSD before and after the SSPA. (ber of ofdm, psd of ofdm, ofdm)

[PAPR_db]=papr2(x)

[nozs zs]=zpp(s, N)

[numberOfSymbols numberOfZeros symbols]=v2syms(data,N)

Modulation & Demodulation in Zigbee by Jitesh

This Model has covered most of the physical layer blocks which is used in Zigbee Protocol. (oqpsk, communications, spreading)

Zigbee

PSK31 Model with Symbol Timing and Carrier Recovery by Dick Benson

Updated version of PSK31 communication standard that is now R2009B-R2012A compliant. (timing recovery, fec, pll)

[bitstream,char_table]=make_bits(msg)

[sout,char_table]=load_alpha()

message=read_text(file_name)

Stop and Wait ARQ with CRC 4 by Gourab Ghatak

Automatic Repeat Request using Cyclic Redundancy Check-4 as error detection mechanism (arq, stop and wait, crc)

snwwithcrc4.m

Packet Loss Rate by Hoang-Linh To

Verification of Queuing model with packet loss rate. (communications, control design, optical buffers)

main.m

Power of Rayliegh Fading by Mansoor Mustafa

this is basic matlab code to simulate the power of Rayliegh Fading (rayleigh fading, signal processing, simulation)

x.m

LTE Downlink Physical Channel processing by Amit Kansal

PDSCH processing using multi-codeword spatial multiplexing transmission (lte, wireless communicatio..., spatial multiplexing)

getFigRxStreams(nStr, type)

lteCellSRefSigGen(nS, numAP)

scrambleLTEPDSCH(u, nS, q)

Hamming Code Model by Nishant Gupta

Error in signal with & without Hamming Code (communication, error, hamming)

commsys

A Synchronized Mil-Std-188-110B Receiver by Dick Benson

Extends the shipping "188" modem. Features a synchronized 1200 bps / short interleave receiver. (communications, synchronization, equalizer)

example_sel2html(fn,new)

mil_188_gui(varargin)

mil_std_188110b_initmask_ship(block)

ML Estimation of Timing and CFO in OFDM systems by Hiren Gami

This file estimates carrier frequency offset and timing offset of OFDM systems under AWGN channel. (ofdm, carrier frequency off..., timing offset)

Est_ML_CFO_TO_OFDM.m

DSB SC modulation by vicky bensan

this model provides a dsb sc modulation and demodulation. (communications)

dsbscrealinput

Back forward sweep algortihm for radial distribution systems by Yella

Backward/ forward sweep algorithm for three-phase load-flow analysis of radial distribution systems. (optimization, simulation, distributed)

backwardforward.m

GPS Receiver using Xilinx FPGA and TI DSP by Dick Benson

These model files move from a system level GPS receiver channel to actual operating hardware. (gps, acquisition, timing)

ca=ca_fpga;

example_sel2html(fn,new)

GPS_Capture.m

OFDM by gui

OFDM_rayleigh (ofdm rayleigh)

ofdm_rayleigh_commtool.m

Huffman Coding by Ashish Soni

Program for Huffman Coding without using inbuilt function.. (communications, information coding, source coding)

newhuff.m

Encode & Decode a message by Ashish Soni

Encode & Decode a message using source & channel coding (Huffman and cyclic codes) (communications, information coding te...)

Exp.m