Latest Communication Technical Articles

How to Process I/Q Signals in a Software-Defined RF Receiver

This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for decoding frequency-shift-keying baseband signals.

October 04, 2018 by Robert Keim

Digital Signal Processing in Scilab: How to Decode an FSK Signal

Learn about a DSP technique that extracts the original digital data from a demodulated frequency-shift-keying baseband signal.

September 25, 2018 by Robert Keim

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.

June 01, 2018 by M. Mahdi K. Kanan

Wide-Area Wireless Platform Enables a New Wave of IoT systems

The next step of wide-area wireless connection is to bring the power of wireless to machine type communications (MTC). This will drive a revolution in services that will span sectors as diverse as manufacturing, city management, transportation, and energy.

October 17, 2017 by Emmanuel Gresset, CEVA

Build an IoT Notification Device

Enter the world of the Internet of Things by building your own IoT notification device.

June 23, 2017 by Don Wilcher

Communication Processors March on But 5G Demands Much More

Development is well underway on Gigabit LTE cellular communications systems that promise an order of magnitude increase in data transfer rates and 5G is close behind. Small cell access nodes will form an essential part of both systems but new communications processors are needed to make these a reality.

June 08, 2017 by Emmanuel Gresset, CEVA

Overview of the BLE Solar Beacon from Cypress Semiconductor

Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node.

April 27, 2017 by Raymond Genovese

Organize, Track, Identify: A New RFID Tag IC from STMicro

RFID is an advanced technique for attaching information to objects of all kinds, and ICs such as the ST25DV series can help you to implement this technology.

April 27, 2017 by Robert Keim

Track Overhead Flights with a Raspberry Pi Zero Wireless, a Software Defined Radio, and FlightAware

This article shows you two ways to use a Raspberry Pi Zero Wireless to track flights in your area. It also demonstrates how it can control a 64×64 RGB matrix.

April 03, 2017 by Mark Hughes