Wireless Networks

This section provides a comprehensive exploration of wireless network technologies, focusing on the IEEE 802.11 standards and principles governing wireless communications.

Fundamentals Of The Wireless Physical Layer

This section explores the principles of the wireless physical layer, including electromagnetic wave propagation, essential quality metrics, modulation, and the challenges posed by the wireless environment.

Electromagnetic Wave Propagation: The Wireless Medium And Its Peculiarities

This section explores the unique characteristics of electromagnetic wave propagation in wireless communication, detailing the various frequency bands, propagation phenomena, and their implications for wireless network design.

Signal-To-Noise Ratio (Snr), Signal-To-Interference-Plus-Noise Ratio (Sinr), And Bit Error Rate (Ber)

This section discusses the critical metrics used to evaluate the quality and reliability of wireless communication links, specifically focusing on SNR, SINR, and BER.

Modulation And Coding: Translating Bits To Waves And Enhancing Robustness

This section covers the essential processes of modulation and coding in wireless communication, focusing on their roles in transmitting data robustly and efficiently.

Multipath Propagation And Its Effects: The Challenge Of Multiple Paths

Multipath propagation occurs when electromagnetic waves reach a receiver through multiple paths, leading to various signal quality issues.

Interference: The Unwanted Signals

Interference significantly affects wireless communication by introducing unwanted signal power from various sources, thereby impacting performance.

Wireless Local Area Networks (Wlans) - The Ieee 802.11 Standard Family (Wi-Fi)

This section provides a comprehensive overview of Wireless Local Area Networks (WLANs) as defined by the IEEE 802.11 standards, focusing on key architectural components, operational procedures, and the evolution of Wi-Fi technologies.

802.11 Architecture: Core Components And Network Topologies

The IEEE 802.11 standard outlines the fundamental components and configurations of wireless local area networks (WLANs), including various types of Service Sets and the roles of Access Points.

802.11 Network Operation: From Discovery To Data Transfer Workflow

This section details the sequence of operations necessary for a wireless client to connect to an 802.11 WLAN, from network discovery to data transfer.

802.11 Csma/ca Protocol: Managing Contention In A Half-Duplex Medium

The 802.11 CSMA/CA protocol is designed to manage contention in wireless networks by avoiding collisions through carrier sensing and acknowledgment mechanisms due to the challenges posed by half-duplex communication.

Summary Of 802.11 Variants: The Evolution Of Wi-Fi Standards

This section highlights the evolution of IEEE 802.11 standards over time, focusing on advancements in Wi-Fi technologies to meet the increasing demand for higher speeds and network capacities.