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Digital Communication / September 21, 2021

M-ary Encoding

he word binary represents two bits. M represents a digit that corresponds to the number of conditions, levels, or combinations possible for a given number of binary variables.ContentsM-ary EquationTypes of M-ary Techniques This is the type of digital modulation technique used for data transmission in which instead of one bit, two or more bits are transmitted at […]

By · September 21, 2021 · 1 min read

he word binary represents two bits. M represents a digit that corresponds to the number of conditions, levels, or combinations possible for a given number of binary variables.

Contents

This is the type of digital modulation technique used for data transmission in which instead of one bit, two or more bits are transmitted at a time. As a single signal is used for multiple bit transmission, the channel bandwidth is reduced.

M-ary Equation

If a digital signal is given under four conditions, such as voltage levels, frequencies, phases, and amplitude, then M = 4.

The number of bits necessary to produce a given number of conditions is expressed mathematically as

Types of M-ary Techniques