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
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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