Latest Wireless Communication Technical Articles

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L-type Matching Network Basics—Examining L Network Frequency Response and Bandwidth

Learn about two-element networks (L-sections or L-networks), how they transform one impedance to another, their frequency response, estimating their bandwidth, and their limitations leading to T networks.

April 07, 2023 by Dr. Steve Arar

Design a Two-element Matching Network Using the ZY Smith Chart

Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance matching, and finding a two-element matching network.

March 31, 2023 by Dr. Steve Arar

Analyze RLC Components Using the Admittance Smith Chart and Examples

Learn about the admittance Smith chart to analyze a parallel connection of resistors, capacitors, and inductors, and see the circuit's behavior over the swept frequency range.

March 24, 2023 by Dr. Steve Arar

Learn by Example—Using an Impedance Smith Chart

Learn how a series RLC circuit with arbitrary component values can be represented as a point on the Smith chart and how an impedance contour on the Smith chart can be used to describe the circuit's frequency response.

March 17, 2023 by Dr. Steve Arar

The Smith Chart and Its Relation to the Reflection Coefficient and Impedance

Learn about the history and ins/outs of the Smith chart, as well as how it relates to the reflection coefficient and makes calculating impedance easier.

March 03, 2023 by Dr. Steve Arar

Mismatch Loss and Mismatch Uncertainty Via Attenuators and Statistical Models

Learn about the effect of mismatch loss on a lossy line, a method to reduce the mismatch loss through fixed attenuators, and the statistical models of this error.

February 26, 2023 by Dr. Steve Arar

Exploring the Basics of Bluetooth Low Energy: A Beginners Guide To BLE

Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how it communicates with devices.

February 19, 2023 by Nthatisi Hlapisi

Mismatch Loss Effect on RF Power Measurement and Gain of Cascaded Amplifiers

Using the mismatch loss equations, learn about the effect of mismatch loss on RF power measurement and the gain of cascaded amplifiers.

February 15, 2023 by Dr. Steve Arar

Mismatch Loss and Mismatch Uncertainty in RF Systems

Learn more about RF wave reflection parameters, namely mismatch loss and mismatch uncertainty.

February 10, 2023 by Dr. Steve Arar

Transmission Line Theory: Observing the Reflection Coefficient and Standing Wave

Learn about radio frequency (RF) wave propagation and reflection via transmission lines, equations, and example waveforms.

January 29, 2023 by Dr. Steve Arar

A Primer on Digital Pulse Amplitude Modulation

An encoding technique used for digital communication, pulse amplitude modulation (PAM) converts a discrete-time signal into a variable-amplitude continuous-time signal that is suitable for high-speed wired communication systems.

January 22, 2023 by Robert Keim

RF Design Basics—Introduction to Transmission Lines

Learn about voltage waves and how they relate to an important basic concept of radio frequency (RF) circuit design: transmission lines.

January 13, 2023 by Dr. Steve Arar

Using the Noise Figure Metric to Analyze Noise in RF Circuits

Concerning noise analysis in RF analog design, learn about the noise figure metric, including key aspects of this specification through examples.

December 16, 2022 by Dr. Steve Arar

Introduction to Bluetooth Mesh Models

Learn about Bluetooth mesh models—namely what they are—as we lead you through an example and the different types like generic, lighting, etc.

June 19, 2022 by Dr. Steve Arar

IoT Communication Protocols—IoT Data Protocols

Dive deeper into the Internet of Things (IoT) communication through a brief overview of the different IoT data protocols.

June 16, 2022 by Ignacio de Mendizábal

IoT Communication Protocols—Network Protocols

Learn about some of the main Internet of Things (IoT) network communication protocols.

June 10, 2022 by Ignacio de Mendizábal

Demystifying LoRa and LoRaWAN Wireless Network Protocols

In this article, get a basic understanding of wireless communication networks—LoRa and LoRaWAN.

April 17, 2022 by Brandon Satrom

An Introduction to Bluetooth Mesh Networking

In this article, you'll get a general understanding of Bluetooth mesh, its topologies, applications, and advantages.

April 03, 2022 by Dr. Steve Arar

Star vs. Mesh Networking Topology: IoT Wireless Connectivity Fundamentals

Undergirding many emerging Internet of Things (IoT) wireless networking protocols are two fundamental architectures: star and mesh networking.

February 27, 2022 by Dr. Steve Arar

Wi-Fi 7, Data Rates, and Latency: Understanding the IEEE 802.11be Standard

Will Wi-Fi 7 be a revolution or just an evolution in wireless Internet access? This article examines some of the new features and capabilities in the next iteration of the 802.11 standard.

February 06, 2022 by Robert Keim