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LTE QoS and QCI Overview

A concise overview of LTE Quality of Service (QoS) and QoS Class Identifiers (QCIs), including QCI values 1-9, prioritization and how they are applied in an LTE network.

lte

qos

qci

LTE RRC State Diagram: IDLE and Connected Modes Explained

Understand the LTE RRC state diagram, including IDLE and Connected modes, for efficient UE communication and battery management.

lte

rrc

idle mode

LTE Signalling Radio Bearers: SRB0, SRB1, SRB2 Explained

Overview of LTE Signalling Radio Bearer (SRB) types: SRB0, SRB1, and SRB2. Explains their characteristics, message types, and RLC modes in LTE networks.

lte

signalling radio bearer

srb

LTE System Interfaces: S5, S8, S10, S11, S12, S13, SBc, and X2 Explained

An overview of LTE system interfaces like S5, S8, S10, S11, S12, S13, SBc, and X2, explaining their roles in LTE network communication and data transfer.

lte

system interface

network architecture

LTE System Interfaces: S6b, S6c, S6d, S9, Gi, Gx, Gy, Gz, Sp, Rx+, Wm

Overview of LTE system interfaces: S6b, S6c, S6d, S9, Gi, Gx, Gy, Gz, Sp, Rx+, and Wm. Covers functions like mobility authentication, QoS, policy control, and charging.

lte

system interface

network

LTE Testing: UE Test and Measurement, EVM, Sensitivity

This page covers LTE testing as per LTE UE compliant to 3GPP conformance test. It covers LTE UE Test and Measurement viz. EVM, receiver sensitivity, maximum power reduction, IQ, spectrum mask, ACLR, RSRP etc.

lte

test measurement

ue testing

LTE UE Categories 1-5: A Detailed Exploration

Explore LTE UE categories 1 to 5, focusing on their data speeds, MIMO configurations, and common applications. Understand how these categories impact device performance and network efficiency.

lte

ue category

data rate

LTE UE Uplink Network Entry: Random Access Procedure

Learn the LTE UE network entry procedure: cell search, system information decoding, and random access. Essential steps for establishing network entry with an eNB.

lte

network entry

LTE UL-SCH Physical Layer Processing

Explores the LTE UL-SCH function and the physical layer processing steps for the transmitter, culminating in the generation of the SC-FDMA signal.

lte

ul sch

physical layer

LTE-M Tutorial: Network Architecture, Frequency Bands, and Stack

Learn about LTE-M (LTE Cat-M1), a Low Power Wide Area (LPWA) technology for IoT, covering architecture, frequency bands, and protocol stack.

lte

iot

lte-m

MATLAB Programming Language Tutorial

This tutorial covers MATLAB basics, including syntax, environment, operators, control flow, matrices, functions, and a sample program.

matlab

programming

tutorial

Microcontroller Cross Compiler: A Comprehensive Guide

Explore microcontroller cross compilers, their function in translating code for specific targets, and memory models used. Includes memory types, variable data types and SFRs.

microcontroller

compiler

embedded system

Microcontroller Hardware Interfacing with Peripheral Devices

Explore microcontroller hardware interfacing with program and data memory, including external ROM and RAM connections and signaling.

microcontroller

hardware interfacing

memory

Modbus Protocol Tutorial: Frame Formats for RTU, ASCII and TCP

Learn about the Modbus protocol, its frame formats for RTU, ASCII, and TCP communication. Understand message structure, addressing, and error checking.

modbus

protocol

rtu

MPLS Network Tutorial: Labels, Frames, and Architecture

Learn about MPLS (Multi-Protocol Label Switching), its architecture, components like LER and LSR, and how it efficiently routes data using labels.

mpls

network routing

label switching

MQTT Architecture: Message Types, Format, and Flow

Explore the architecture of MQTT, including message types, formats, and the exchange between server brokers and clients. Ideal for IoT.

mqtt

iot

message queue

Multicarrier CDMA: A Comprehensive Introduction

Explore Multicarrier CDMA, combining CDMA and OFDM for high data rates and spectrum efficiency in mobile communication systems. Learn about its principles and applications.

cdma

ofdm

wireless communication

NB-IoT Tutorial: Features, Spectrum, and Applications

Learn about NB-IoT (Narrowband Internet of Things), its features, frequency spectrum, and applications, with a comparison to LTE Cat-1, Cat-0, and Cat-M.

nb iot

iot

wireless

Near Field vs. Far Field Antenna Radiation Pattern

Explore antenna radiation patterns, main lobes, side lobes, and the crucial distinction between near-field and far-field regions in antenna behavior.

antenna

radiation pattern

near field

Network Security Basics: A Tutorial

Learn the fundamentals of network security, including types of security, attack sources, network attack types, and mitigation methods to protect your network.

network security

security attack

data protection