- essprocedureischaracterizedby:- CommonprocedureforFDDandTDD;- Oneprocedureirrespectiveofcellsize;essprocedureisperformedforthefollowingsixevents:- essfromRRC_IDLE;- onnectionRe-establishmentprocedure;- Handover;- essprocedure;- “non-synchronised”;- essprocedure;- "non-synchronised"HresourcesforSRavailable.- essprocedure;- ;Furthermore,essproceduretakestwodistinctforms:- Contentionbased(applicabletofirstfiveevents);- Non-contentionbased(applicabletoonlyhandover,DLdataarrivalandpositioning).NormalDL/ -1below:-1:essproceduresare:1) essPreambleonRACHinuplink:- ) essResponsegeneratedbyMAConDL-SCH:- Semi-synchronous(withinaflexiblewindowofwhichthesizeisoneormoreTTI)withmessage1;- NoHARQ;- AddressedtoRA-H;- ConveysatleastRA-preambleidentifier,TimingAlignmentinformation,initialULgrantandassignmentofTemporaryC-RNTI(whichmayormaynotbemadep
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