name: FDM
full_form: Frequency Division Multiplexing
context: For intra-band V2X operation, both TDM and FDM between Uu and SL are considered. The prioritization of operating scenarios including TDM and FDM and respective basic RF architecture for operating scenarios are defined as follows: 1st priority: TDM with same carrier or different carrier (Single RF chain for Tx as baseline) - RAN4 allow TDM operation between spectrally partially used PC5 SL and Uu UL/DL operation in a licensed TDD band regardless of adjacent/ non-adjacent carrier - 2nd priority: FDM with adjacent carrier (Separate RF chain for Tx as baseline) - 3rd priority: FDM with non-adjacent carrier (Separate RF chain for Tx as baseline) Other UE RF architecture is not precluded from implementation perspective. In Rel-17, RAN4 focus on TDD band for intra-band V2X operation and deprioritize FDD band. FDD band can be studied once operators have a request. For intra-band contiguous and non-contiguous V2X con-current operation with FDM operation, simultaneous UL transmission and SL
description: Frequency Division Multiplexing (FDM) is a technology used in telecommunications to multiplex multiple signals onto a single communication channel by dividing the available bandwidth into smaller frequency bands. Each signal is modulated onto a different frequency band, allowing multiple signals to be transmitted simultaneously over the same medium.
explanation: The context provided from 3GPP TS 38.785 highlights FDM as a method for multiplexing in intra-band V2X operation scenarios, comparing it with Time Division Multiplexing (TDM) and discussing its application in licensed TDD bands. This indicates that FDM is being referred to as a technology or standard governing telecommunications operations.
section_title: 5.2.1Intra-band V2X operation scenarios and basic assumptions
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