Rohde & Schwarz
Rohde & Schwarz

4G LTE CoMP, Coordinated Multipoint, Tutorial

Essential details about LTE CoMP, coordinated multipoint used with 4G LTE cellular systems to coordinate the transmission/reception for a UE from several points to improve performance.

IMPATT Diode: Operation & Theory

Essential details about the operation and theory behind the IMPATT diode, explaining how it works and how this impacts on its operation.

Facts of the day

27 August 2014

Quote - How on earth are you ever going to explain in terms of chemistry and physics so important a biological phenomenon as first love? - Albert Einstein

Fact - Sputnik, the first man made satellite to be launched into orbit around the earth was shaped like a sphere and had four radiating radio antennas.It functioned for 21 days sending out a distinctive "beep beep" signal from its on board transmitter.


Digital Multimeter Tutorial

Concise introduction and tutorial to the DMM, Digital Multimeter, what a DMM is, how one works and how to use a DMM to measure voltage, current resistance, etc. news from

GPS GLONASS, Galileo and BeiDou for Mobile Devices
GPS GLONASS, Galileo and BeiDou for Mobile Devices

Ivan G Petrovski
Location services are an increasingly important element for mobile handsets....
Read more . .

USA bookstore UK bookstore is operated and owned by Adrio Communications Ltd and edited by Ian Poole. All information is © Adrio Communications Ltd and may not be copied except for individual personal use. This includes copying material in whatever form into website pages. While every effort is made to ensure the accuracy of the information on, no liability is accepted for any consequences of using it. This site uses cookies. By using this site, these terms including the use of cookies are accepted. More explanation can be found in our Privacy Policy