LTE 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…
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LTE 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…
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What 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 Secondary Synchronization Signal (SSS) in LTE?
The Secondary Synchronization Signal (SSS) in LTE plays a vital role in cell synchronization by providing additional information beyond what the PSS offers. Once…
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 articleWhy 15 kHz Subcarrier Spacing is Used for 4G LTE?
The choice of 15 kHz subcarrier spacing in 4G LTE is a result of balancing multiple technical considerations and practical implementation factors. Let’s delve…
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…
Read articleWhat is S1 Application Part (S1AP) Protocol?
The S1 Application Part (S1AP) is a protocol used for communication between the Mobility Management Entity (MME) and the eNodeB (eNB) in an LTE…
Read articleWhat is Multi-Radio Dual Connectivity (MR-DC) in 5G?
Dual Connectivity Overview Dual Connectivity (DC) was introduced in LTE (Release 12) to allow User Equipment (UE) to connect to two eNodeBs (eNBs) simultaneously.…
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How to Calculate LTE Throughput?
Calculating LTE throughput is crucial for optimizing network performance and ensuring efficient resource utilization. As a telecommunications RF expert engineer, I’ll guide you through…
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