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Why are Low Frequency Bands Configured in FDD Mode?

Why are Low Frequency Bands Configured in FDD Mode?

Mandatory Guard Period in TDD Bands makes them highly inefficient if used in lower frequency configuration

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Parag Kar
Sep 14, 2023
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Why are Low Frequency Bands Configured in FDD Mode?
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In this note, we will discuss why low bands are used in FDD (Frequency Duplex Mode) mode and why not in TDD (Time Duplex Mode). But before we dive into details let’s first discuss the basics.

FDD vs TDD

The following diagram explains the difference.

FDD (Frequency Division Duplex) is like a double road separated by a divider, whereas TDD (Time Division Du…

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