Trellis Coded Modulation (TCM)
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Intuitive Guide to Principles of Communications www.complextoreal.com
Trellis Coded Modulation (TCM)
Trellis Coded Modulation Tutorial Before reading this tutorial, make sure you have read the tutorial on Convolutional cod
Fundamental of Signals
We are surrounded by man -made and natural signals. In general when we talk about communications, we
are talking about transfer of desired information whether right up close or to far destinations using signals
of some sort. Communi
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Unlocking the Phase Lock Loop - Part 2
Intuitive Guide to Principles of Communications
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Unlocking the Phase Lock Loop - Part 2
Tracking and Acquisition behavior
A PLL produces a carrier that synchronizes in phase and frequency with
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Unlocking the Phase Lock Loop - Part 1
Intuitive Guide to Principles of Communications
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Unlocking the Phase Lock Loop - Part 1
The first Phase Lock Loop (PLL) were proposed by French scientist de Bellescize in
1932 who is also credi
Orthogonal Frequency Division Multiplex (OFDM) Tutorial
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Intuitive Guide to Principles of Communications
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Orthogonal Frequency Division Multiplexing (OFDM)
Modulation - a mapping of the information on changes in the carrier phase, fr
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All About Modulation Part II
Intuitive Guide to Principles of Communications
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All About Modulation - Part II
The main Figure of Merit for measuring the quality of digital signals is called the Bit Error Rate (BER) vs.
Eb/N0. Bit err
All About Modulation Part I
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Intuitive Guide to Principles of Communications
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All About Modulation
Basic Concepts, Signal Space, Constellations and Phase Shift Keying
modulations (PSK, QPSK, OQPSK, M-PSK, /4-QPSK, MSK, and GMSK)
Basi
Linear Time Invariant (LTI) Systems and Matched Filter
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Intuitive Guide to Principles of Communications
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Linear Time Invariant (LTI) Systems and Matched Filter
Matched filter is a theoretical frame work and not the name of a specific
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Link Budgets
Intuitive Guide to Principles of Communications
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Link Budgets
You are planning a vacation. You estimate that you will need $1000 dollars to pay for the hotels,
restaurants, food etc. You start your vacation and watch th
Lattice
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Intuitive Guide to Principles of Communications
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Lattice and Trellis Coded Modulation (TCM)
Concept of Lattice
The concept of lattice is important in coding and particularly relevant in Trellis Coded
Modulation (TCM). A latt
Inter Symbol Interference(ISI) and Root-raised Cosine (RRC) filtering
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Intuitive Guide to Principles of Communications
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Inter Symbol Interference (ISI) and raised cosine filtering
Inter-symbol interference (ISI) is an unavoidable con
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Intuitive Guide to Principles of Communications
Charan Langton
AnalogFilters
Filters play important role in communications. Filters keep the signal from
splashing energy into adjacent channels and conversely protect the user band from
un
Intuitive Guide to Principals of Communications
Tutorial 6 - Fourier Analysis Made Easy Part 2
Complex representation of Fourier series
e jwt cos wt i sin wt
(1)
Bertrand Russell called this equation the most beautiful, profound and subtle expression
in m
SIGNAL PROCESSING & SIMULA
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Fourier analysis made Easy Part 1
Jean Baptiste Joseph, Baron de Fourier, 1768 - 1830
While studying heat conduction in materials, Baron Fourier (a title given to him by
Napoleon) developed his now famous Fourier