Theoretical Information About Branch-line Couplers Generally branch-line couplers are 3dB, four ports directional couplers having a 90° phase difference between its two…

Chapter 4 Mobile Radio Propagation: Small-Scale Fading and Multipath 4.1 Small-Scale Multipath Propagation • The three most important effects – Rapid changes in signal…

ABSTRACT The term echo cancellation is used in telephony to describe the process of removing echo from a voice communication in order to improve voice quality on a telephone…

Helsinki University of Technology S-72.333 Postgraduate Course in Radio Communications (2004/2005) Overview of Diversity Techniques in Wireless Communication Systems Hafeth…

1. Electronics &Communication Engineering Subject code: EC1291 Subject: ANALOG AND DIGITAL COMMU NICATION Sem : IV Branch: CSE 2 Mark Questions and Answers UNIT 1 AMPLITUDE…

The Wireless Channel (2) Wireless Communication www.ee.ui.ac.id/wasp Review  What we discussed last lecture:  The large-scale fading because of path loss  The empirical…

Communication systems by Dr. Fahad Alraddady Assistant professor of CIT [email protected] Taif University Communication systems Course Objectives To learn the basic concepts…

Chapter 5 Digital Modulation Techniques Main difference between the analog modulation and digital modulation: Digital modulation system represents a small set of abstract…

1. Institute of Information Technology 2. “Bluetooth Technology” by: Intekhab Alam Khan 3.          What is Bluetooth? History of Bluetooth…

Comparative Study on GSM,GPRS & CDMA Technology Global System for Mobile Communications (GSM) INTRODUCTION GSM is a mobile telephony network based on the cellular concept.…