Monthly Archive: April 2015

Error Vector Magnitude (EVM)

The error vector magnitude (EVM) is a measure of modulation quality of a digital radio transmitter or receiver. A signal sent by an ideal...

Mobile Phone Architecture

When we say a mobile, it is not just a piece of plastic/metallic body, as it looks from outside, there...

Noise Figure

Noise figure (NF) Noise figure (NF) and noise factor (F) are measures of degradation of the signal-to-noise ratio (SNR), caused by components in a radio-frequency (RF) signal chain. It...

CPRI – A High Speed Link

CPRI – Common Personal Radio Interface Today’s wireless operators face competitive pressure to reduce the rising cost of base stations,...