What the telcos mean when they use the terms "4G," "LTE-A," or "VoLTE"
Telecommunications companies rely on jargon that most people don't understand or care about. TDD LTE (sometimes spelled TD LTE) stands for Time Division Duplexing-Long Term Evolution. FDD LTE is an abbreviation for Frequency-Division Duplexing LTE.
LTE is a fourth-generation (4G) high-speed communication standard developed by the third-generation partnership project 3gpp. LTE FDD and LTE TDD, which stand for LTE Frequency Division Duplexing and LTE Time Division Duplexing, are two prevalent methods or standards for LTE 4G communications. Mobile operators began adopting these 4G LTE standards, which provide high-speed internet access and improved multimedia services such as phone and video. When LTE was first announced, it was intended to handle both the paired spectrum that migrated from 3G networks for FDD and the unpaired spectrum for TDD that evolved into TD-SCDMA.
read more at Difference Between LTE FDD vs TDD
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