image thumbnail

updated 8 days ago

Huffman coding and decoding for Text compression by Jeny Rajan

Jeny Rajan (view profile)

Text compression and decompression with static huffman coding. (coding theory, information theory, huffman coding)

b2d(tp,num)

fhcode(lstn,img)

fhtree1(lst,img)

image thumbnail

updated 25 days ago

BPSK Simulation for AWGN & Rayleigh Channels by Rajdeep Khullar

The MATLAB programs simulate the BPSK receiver. (coding theory, information theory, bpsk simulation)

cm_bpske.m

cm_bpske.m

gngauss(m,sgma)

image thumbnail

updated 30 days ago

ENTROPY by David Fass

David Fass (view profile)

Compute the Shannon entropy of a set of variables. (coding theory, information theory, information)

entropy(objectSet,varargin)

image thumbnail

updated 30 days ago

MUTUALINFO by David Fass

David Fass (view profile)

Multiple mutual information (interaction information) (coding theory, information theory, information)

mutualinfo(objMat,pVect,varargin)

image thumbnail

updated 30 days ago

KLDIV by David Fass

David Fass (view profile)

Kullback-Leibler or Jensen-Shannon divergence between two distributions. (coding theory, information theory, kullbackleibler)

kldiv.m

image thumbnail

updated 30 days ago

Hamming Encoder-Decoder by Roberto Sanz Gil

Two M files implementing a Hamming (12,9) Encoder-Decoder algorithm. (coding theory, information theory, hamming)

hamcod3.m

hamdec3.m

image thumbnail

updated 4 months ago

Prefix code by Aniruddha Phatak

Determines whether a codeword is a prefix of another (coding theory)

isprefix.m

image thumbnail

updated 4 months ago

Fibonacci code for a positive integer by Aniruddha Phatak

Fibonacci code for a positive integer passed (coding theory)

fibo(n)

image thumbnail

updated 4 months ago

SImple thresholding using remainder by Aniruddha Phatak

Thresholding using remainder (image processing, coding theory)

fer.m

image thumbnail

updated 4 months ago

Improvement to the FELICS Algorithm by Aniruddha Phatak

This is an improved version of the FELICS Algorithm invented by Paul Howard and Jeffrey Vitter (image processing, coding theory)

eliasomega.m

eliasgamma.m

abc(x,L,H)

image thumbnail

updated 4 months ago

Elias Omega Code by Aniruddha Phatak

Function to obtain the Elias Omega code for an integer (compression, coding theory)

eliasomega.m

image thumbnail

updated 7 months ago

entropia by juliette pereira

calculo de la entropia (coding theory)

entropi.m

image thumbnail

updated 12 months ago

Convolutional Encoder/Decoder of Rate 1/N Codes by Romeil Sandhu

MATLAB code that tests a rate 1/N Convolution Encoder and Decoder schemes via a Trellis map. (convolutional codes, trellis map, awgn channel)

circuit_logic(cur_State,n,m)

compute_Hamm(o,r,block_st,n)

compute_Lp(o,r,block_st,n)

image thumbnail

updated 1 year ago

Turbo-Decoding Message-Passing Algorithm for LDPC codes by Miroslav Marinkovic

TDMP LDPC Decoder model and simulation, fixed-point implementation (communications, coding theory)

find_location(i,n)

generate_ldpc_matrix_WiMAX_1_2_row_perm(n)

generate_ldpc_matrix_WiMAX_2_3B_row_perm(n)

image thumbnail

updated 1 year ago

Butterfly-Particle Swarm Optimization(Butterfly-PSO/BFPSO) Technique by AASHISH KUMAR BOHRE

BF-PSO based on novel control parameters such as sensitivity and probability of the nectar presence. (optimization, mathematics, probability)

image thumbnail

updated 1 year ago

Fast Frequency Hopping Spread Spectrum Analysis of a BPSK Signal by Roshan P Shajan

Both Modulation and Demodulation using MATALB (plotting, fhss, coding theory)

FHSS_BPSK.m

image thumbnail

updated almost 2 years ago

Pulse Code Modulation by Shujaat Khan

Shujaat Khan (view profile)

This code is the implementation of Pulse Code Modulation Scheme and its variant Delta Modulation (pcm, modulation, pulse code modulation)

Delta_Mod.m

PCM_EXP.m

image thumbnail

updated 2 years ago

convo.m by sanoopkumar ps

viterbi decoding for convolutional codes (viterbidecoding, halferate convolution..., coding theory)

convo.m

image thumbnail

updated 2 years ago

Code for generating Haar matrix by Kamlesh Pawar

Code for generating Haar matrix (signal processing, image processing, coding theory)

generate_haar(N)

image thumbnail

updated 2 years ago

problem_1 by Dimitri

Dimitri (view profile)

Times 2 - start here (coding theory)

problem_1.m

image thumbnail

updated 3 years ago

Coaxial Cable Based CDMA System Simulation by Iftekhar Tanveer

This is a simulation of CDMA Encoding & Decoding Process using a coax channel. (coding theory, information theory, coaxial cable)

Coaxial Cable Based CDMA System Simulation

CDMA_Encode(TotalChips, TotalUser,TotalDataBit)

CDMA_GUI(varargin)

image thumbnail

updated 4 years ago

Galois Field Array to Exponential Array Conversion by Colin O'Flynn

Convert GF array into exponential notation (a^3, etc) (galois field, exponential, gf2)

gf2exp( GFInput, m, prim)

image thumbnail

updated 4 years ago

Turbo Code Simulation by In Soo Ahn

In Soo Ahn (view profile)

Generate a turbo code, and decode the code iteratively using MAP detectors. (coding theory, information theory, turbo code)

turbo_code_no_punc_setup

turbo_code_punc_setup

turbo_code_punc_multiple_run_driver.m

image thumbnail

updated 5 years ago

cofdm simulator by apurva gupta

apurva gupta (view profile)

Simulate BER vs. Eb/No(db) for different types of modulations,coding and interleaving. (coding theory, information theory, bpsk)

final_simulator(varargin)

image thumbnail

updated almost 6 years ago

GPS C/A Code Generator by Dan Boschen

Dan Boschen (view profile)

Generates C/A Codes for selected PRNs, up to 37 codes. (coding theory, information theory, gps ca code)

cacode(sv,fs)

image thumbnail

updated 6 years ago

LDPC codes BER simulation by Bagawan Nugroho

Bagawan Nugroho (view profile)

LDPC codes BER simulation under AWGN channel, MacKay-Neal based LDPC matrix (coding theory, information theory, ldpc)

decodeBitFlipping(rx, H, iteration)

decodeLogDomain(rx, H, N0, iteration)

decodeLogDomainSimple(rx, H, iteration)

image thumbnail

updated 6 years ago

Soft-Decision Viterbi Decoding with Puncturing by Amit Kansal

Amit Kansal (view profile)

Performs soft-decison Viterbi decoding with puncturing over an AWGN channel using Simulink(R). (coding theory, information theory, viterbi decoding)

mvitdecoding_punc.mdl

image thumbnail

updated almost 7 years ago

Differential Encoding/Decoding by Dr. Murtaza Khan

Basic Differential Encoding/Decoding of input vector of numeric values (coding theory, information theory, differential)

diffdecodevec(vi)

diffencodevec(vi)

diffencodevecTest.m

image thumbnail

updated 7 years ago

Alternative good LDPC codes for DVB-S2 by Yang Xiao

Yang Xiao (view profile)

The program can produce the parity check matrix of DVB-S2 with the size 5400*2700. (dvbs2, communications, coding theory)

LDPC_codes_DVB_s2_5400_H.m

image thumbnail

updated 7 years ago

Quiverc by Bertrand Dano

Bertrand Dano (view profile)

Creates a color quiver plot with arrows colors according to the magnitude of the vector. (coding theory, information theory, quiver)

quiverc(varargin)

image thumbnail

updated 7 years ago

Convolutional Encoder and Hard Decision Viterbi Decoder by Muhammad Hassan Masood

Convolutional Encoder of Code Rate=1/2, with 3 Memory Elements and a corresponding Hard Decision Vit (coding theory, information theory, viterbi decoder)

convlenc(message)

hamm_dist(A,B)

viterbidec(rcvd)

image thumbnail

updated 7 years ago

Count "on" "off" or calculate simple "parity" bits of input by James Tursa

James Tursa (view profile)

Three functions to calculate the number of "on", "off", or simple "parity" bits of input (coding theory, information theory, onbits)

offbits(varargin)

onbits(varargin)

paritybits(varargin)

image thumbnail

updated almost 8 years ago

Girth-six column-weight three QC-LDPC Codes by Gabofetswe Malema

constructs girth-six column-weight three QC-LDPC codes (coding theory, information theory, girth six)

girth63rr.m

image thumbnail

updated almost 8 years ago

Girth-eight column-weight four QC-LDPC codes by Gabofetswe Malema

constructs girth-eight column-weight four LDPC codes (coding theory, information theory, girtheight)

girth84rr.m

image thumbnail

updated almost 8 years ago

Girth-twelve column-weight two QC-LDPC codes by Gabofetswe Malema

contructs girth-twelve column-weight two qc-LDPC codes (coding theory, information theory, girth)

girth12rr.m

image thumbnail

updated almost 8 years ago

Column-weight three Girth-8 QCL-PDC Codes by Gabofetswe Malema

Constructs column-weight three qc-LDPC codes with varied rates (row-weight) and code sizes. (coding theory, information theory, qcldpc)

girth83rr.m

image thumbnail

updated almost 8 years ago

MELP source code by Oleg Basov

Oleg Basov (view profile)

MELP encoder and decoder in Matlab (coding theory, information theory, melp)

d_lps.m

pitch3.m

pitch2.m

image thumbnail

updated almost 8 years ago

Data encoding: AMI, NRZ, RZ, Polar, Bipolar, Manchester... by Diego Barragán

Diego Barragán (view profile)

Simulation of digital baseband modulation (coding theory, information theory, data encoding)

espec_lc.m

line_code.m

image thumbnail

updated almost 8 years ago

Data encoding: AMI, NRZ, RZ, Polar, Bipolar, Manchester... by Diego Barragán

Diego Barragán (view profile)

Functions that simulate data encoding (digital baseband modulation). (coding theory, information theory, functions)

AMINRZ.m

AMIRZ.m

BRZ.m

image thumbnail

updated almost 8 years ago

16-bit ITU-T CRC by Everton Alves

Everton Alves (view profile)

CRC16 calculator for IEEE 802.15.4 (coding theory, information theory, crc)

image thumbnail

updated 8 years ago

Exact BER for Gray-coded 2^2n-QAM modulation with AWGN by Paul A.M. Bune

Generates a MatLab-code expression for the exact theoretical BER for Gray-coded 2^2n-QAM modulation (coding theory, information theory, ber)

ExactBER.m

image thumbnail

updated 8 years ago

PCM coding by Erick Guerrero

Does PCM to a voice from a microphone input or a specific input function (coding theory, information theory, voice digital modulat...)

PCM.m

image thumbnail

updated 8 years ago

CRC control simulation by Suayb Arslan

This simulation is intended to decide whether or not a given GP accomplishes the targeted task. (coding theory, information theory, crc)

crccontrol.m

image thumbnail

updated 8 years ago

RUN LENGTH DECODING by Shoeb Temrikar

returns binary data from run length encoded array (coding theory, information theory, decoding)

rle_decoding.m

image thumbnail

updated 8 years ago

RUN LENGTH ENCODING by Shoeb Temrikar

rle is performed on a binay stream of data (coding theory, information theory, encoding)

rle_encoding.m

image thumbnail

updated 8 years ago

shannon and non-extensive entropy by Guan Wenye

Guan Wenye (view profile)

shannon Tsallis,renyi,escort Tsallis entropy and relative entropy (coding theory, information theory, shannon tsallis)

K_q_Tsallis(P1,P2,q)

K_q_escorTsallis(P1,P2,q)

K_q_renyi(P1,P2,q)

image thumbnail

updated 8 years ago

Turbo Coding For Generic RSC Coders. by Pablo Briff

Transmitter and Receiver Turbo Coding scheme with generic RSC Coders. (coding theory, information theory, turbo coding generic ...)

bermaxrand.m

decmax.m

turbo.m

image thumbnail

updated 8 years ago

BCH RiBM-based decoder by wu bin

RiBM architecture based BCH decoder. Has some bug! (coding theory, information theory, bch)

RiBM.m

image thumbnail

updated 8 years ago

Modular Inverse by G. Levin

G. Levin (view profile)

Finds the modular inverse over finite (Galois) field. (coding theory, information theory, galois)

mulinv(x,p)

image thumbnail

updated 8 years ago

Construction of Regular Gallagher Parity Check by Mr. Konbaar

Construction of Regular Gallagher Parity Check (coding theory, information theory, ldpc)

genH_regularGallagher.m

Contact us