What is GUMMEI in LTE?
The GUMMEI (Globally Unique MME Identifier) is a key identifier in LTE networks, uniquely identifying a Mobility Management Entity (MME) globally. It is essential…
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What is LTE Tracking Area Code and Update?
A tracking area (TA) in LTE networks is a designated geographical zone where a mobile subscriber can move around without needing to inform the…
Read articleWhat is eNodeB?
The eNodeB (eNB) is a LTE network entity responsible for the transmission and reception of the radio interface in LTE networks. Its functions include…
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What is GPRS Tunneling Protocol (GTP) in LTE?
GPRS Tunneling Protocol (GTP) is an important protocol in LTE networks, used across various interfaces within the Evolved Packet Core (EPC). Its primary functions…
Read articleS1 Handover in LTE – Inter-eNodeB Handover over the S1 Interface Signaling.
Inter-eNodeB handovers in LTE networks allow a user to move from one base station (eNodeB) to another. While these handovers are typically conducted over…
Read articleLTE X2 Handover – Inter-eNodeB Handover over X2 Signaling
When a User Equipment (UE) needs to switch between cells that belong to different eNodeBs over two different X2 links, an inter-eNodeB handover is…
Read articleLTE Attach Procedure Signalling.
This article is about LTE attach procedure signalling. Below picture show complete signalling overview of attach. I have divided LTE attach procedure signalling into…
Read articlePLMN and Cell Selection in LTE.
After completing cell search, the UE obtains the physical cell identifiers (PCI) of the current cell to resolve the master information blocks (MIBs) and…
Read articleWhat is LTE Cell Searching?
LTE cell searching, also known as downlink (DL) synchronization, is a process for resolving primary synchronization signals (PSS) and secondary synchronization signals (SSS) on…
Read articleWhat is Primary Synchronization Signal (PSS) in LTE?
The Primary Synchronization Signal (PSS) is a basic signal in LTE, essential for synchronizing user equipment (UE) with an LTE cell. The PSS primarily…
Read articleWhat is Resource Block in LTE?
In LTE, the bandwidth is divided into smaller units for efficient scheduling and data transmission. This division starts with the smallest unit called the…
Read articleLTE Frame Structure.
In LTE, downlink transmission resources are structured in three dimensions: time, frequency, and space. The spatial dimension, which is measured in ‘layers,’ is accessed…
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