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LTE Random Access Procedure - EventHelix.com

UE-AUE-BUE-CeNodeBLTE Random Access Procedure LTE Random Access Procedure is used by the UEs to initiate a data transfer. The UEs also obtain uplink timing information from the initialhandshake. This sequence diagram describes the tale of three UEs (UE-A, UE-B and UE-C) that are powered on at the same time: (1) UEs synchronize with the downlink channel by decoding the PSS and SSS signal. The UEs are synchronized to the downlink frames aftercompleting this Procedure . (2) The three UEs initiate the Random Access Procedure at exactly the same time. Two of them (UE-A and UE-B) happen to pick the samepreamble. This results in a resulting in a collision. UE-C picks a distinct preamble so it succeeds in the Random Access Procedure .

LTE Random Access Procedure LTE random access procedure is used by the UEs to initiate a data transfer. The UEs also obtain uplink timing information from the initial handshake. This sequence diagram describes the tale of three UEs (UE …

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