http://www.sharetechnote.com/html/Handbook_LTE_DRX.html Even while there is no traffic between the network and UE, UE has to keep listening to Network. At least it should be ready to decode PDCCH. I..
LTE : DRX (Discontinuous Reception) - CDRX (Connected Mode DRX)에 대한 요약내용입니다.
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원문링크 : LTE : DRX (Discontinuous Reception) - CDRX (Connected Mode DRX)