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The Radio Resource Control (RRC) protocol is used in UMTS, LTE and 5G on the Air interface.It is a layer 3 (Network Layer) protocol used between UE and Base Station. This protocol is specified by 3GPP in TS 25.331 [2] for UMTS, in TS 36.331 [3] for LTE and in TS 38.331 [4] for 5G New Radio.
A 2020 study found that U.S. cities that implemented early and extensive non-medical measures (quarantine, etc.) suffered no additional adverse economic effects due to implementing those measures. [ 313 ] [ 314 ] However, the validity of this study has been questioned because of the coincidence of WWI and other problems with data reliability.
For greater detail, see Distribution of languages in the world. While many species communicate , language is unique to humans, a defining feature of humanity, and a cultural universal . [ 362 ] Unlike the limited systems of other animals, human language is open – an infinite number of meanings can be produced by combining a limited number of ...