Vocoder / Codec Basics Vocoder (voice coder) or speech codecs are widely used in voice communication systems. In GSM, audio...

What is the Unix Operating System? A computer requires an operating system to manage its hardware and software resources. The...

Introduction A webcam is a small digital camera designed to capture images and videos and transmit them over the internet...

Introduction Haptics is a technology that adds the sense of touch to virtual environments. It allows users to feel as...

GPRS Modulation Scheme GPRS (General Packet Radio Service) extends the basic GSM radio interface. It uses the same signal format...

GPRS Performance Categories Different GPRS mobile devices provide different levels of service capability. Therefore, they are divided into three main...

GPRS Physical Channel GPRS (General Packet Radio Service) extends the basic GSM network structure. It uses the same modulation technique...

GPRS Coding Schemes GPRS (General Packet Radio Service) uses different coding schemes to transmit data efficiently over mobile networks. These...

What is a Time Switch? A time switch is an electrical device that contains an internal electronic or mechanical timer...

What is Wi-Fi Calling? Wi-Fi Calling is a technology that allows users to make voice and video calls over a...