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Establishment and Maintenance of the RRC connection in LTE

Establishment and Maintenance of the RRC connection in LTE In Long-Term Evolution (LTE), the Radio Resource Control (RRC) connection plays a crucial role in establishing and maintaining the communication link between the User Equipment (UE) and the Evolved NodeB (eNB). The process involves several steps: RRC Connection Establishment: Random Access Procedure: The UE initiates communication … Read more

Function of User plane protocol stacks in LTE

The user plane includes the data streams and the data bearers for the data streams. The data streams are characterized by one or more frame protocols specified for that interface. Figure shows “User-plane protocol stack” comprise Medium Access Control (MAC), Packet Data Convergence Protocol (PDCP), Radio Link Control (RLC) and Physical (PHY) sub layers. Apart … Read more

Theoretical Analysis of Interference by Non Colocated eNodeB

Here I write about a simulation analysis of the system performance deterioration caused by the following four types of interference: eNodeB->UE, UE->eNodeB, eNodeB->eNodeB, and UE->UE when two systems are not co-located. From simulation result with no filtering, when the eNodeBs are not co-located, the most serious interference is from eNodeB->eNodeB. The network coverage and capacity … Read more