A quick introduction to new 3GPP study item called NR-Light that is planned for 3GPP Release-17. This video / presentation looks at why this is needed, how is it different from the existing 5G requirements for eMBB, URLLC & mMTC, and why can't 4G be used instead of 5G for this feature.
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A detailed write-up on this topic is available on The 3G4G Blog here.