What is LTE Sidelink?

2019/11/11 14:39

LTE Sidelink is an adaptation of the core LTE standard that allows direct communication between two LTE devices without going through a Base station. LTE Sidelink was defined by 3GPP in Release 12 as a standard which can be used for Public Safety communications. At the moment, public safety communications are done using different standards in different geographical regions and may even vary within a country. This makes interworking of different public safety groups very difficult.

To achieve this, the 3GPP decided to develop a variation of LTE specifically called LTE Sidelink.


LTE Sidelink is an adaptation of the core LTE standard that allows for communication between two or more nearby devices, using E-UTRAN technology (Evolved UMTS Terrestrial Radio Access Network) without the need of a base station. This technology can be used for the out-of-network coverage scenario.

The functionality can also be used in conjunction with conventional LTE connections to mobile networks to open-up a wide variety of innovative connected car services. It can be provided on any LTE band with the 5.9 GHz band allocated for intelligent transport system (ITS) services.



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