| Link |
Function |
Description |
Table of Contents
|
Analysis |
Analytical Tools |
Consists of a number of analytical tools for understanding digital
communications systems. Methods of estimating channels capacity and error
rate performance are typical tools found here.
|
|
ChanlSim |
Channel Simulation |
Provides a method for modeling the noise and interference of digital
communication transmission. Includes tools for modeling analog
transmission systems, colored noise and channel impairments such as
filtering, echos and multipath.
|
|
Compress |
Compression Tools |
Tools to study common analog source coding techniques (APCM, ADPCM) and
other compression tools, such as Huffman coding, are provided.
|
|
DataFnc |
Data Functions |
Functions to manipulate and organize data. Bitwise logical functions
(e.g., and, or, xor, logical\_shift) as well as buffering and mapping
functions are found here.
|
|
DCTdemos |
Demonstration Programs |
Examples of the use of the toolbox. Useful for learning how the toolbox
can be used.
|
|
DCTUtils |
Assorted Utilities |
A library of common utility functions common to DigComT.
|
|
Discrete |
Discrete Math Functions |
Discrete numerical functions such as combinatorical functions (e.g.,
binomial and multinomial functions) and number theoretic quantities are
presented.
|
|
FEC |
Forward Error Control Functions |
Forward error-correction tools that include: Trellis coding (convolutional
codes, QAM trellis codes and Viterbi decoding), Block coding (Reed-Solomon
and BCH codes) and interleaving simulation. The
toolbox includes turbo coding functions including the BCJR
soft-in/soft-out trellis decoding algorithm.
|
|
FFLib |
A Library of Finite Field Functions |
A library of tools for finite field computations (useful for studying
algebraic coding techniques).
|
|
FileFnc |
File Functions |
A library of common file manipulation functions for use in DigComT.
|
|
Modem |
Modulation and Demodulation Functions |
Simulation tools for modeling modulation and demodulation processed. A
variety modulations are supported (PAM, QAM, PSK, ...). Tools for
developing receiver structures involving AGC, carrier recovery, symbol
timing recovery and adaptive equalization are provided.
|
|
Numeric |
Numerical Functions |
Numerical functions used in the study and simulation of digital
communications systems. Examples include quantizers, mean-squared
estimators (LMS and RLS), and information theorectic functions (entropy
and mutual information).
|
|
PlotFnc |
Plotting Functions |
A library of plotting functions common to DigComT. Examples include
functions to plot signal constellations and eyepatterns.
|
|
RandSig |
Random Signal Functions |
Deals with methods of generating and manipulating a variety of random
signals commonly required for digital communications.
|
|
Signals |
Deterministic Signals and Constellations |
Deals with methods of generating and manipulating a variety of
deterministic signals commonly required for digital communications.
|
|
FPLib |
Fixed Point Library |
Consists of a number of tools for understanding and simulating
fixed point systems.
|
