WIRELESS NETWORKS AND MOBILE COMMUNICATIONS

Introduction of Wireless Networks

Contents

• 1. Content Description
• 2. Fundamentals of Wireless Networks
• 3. Mult-Access And Modulation
• 4. Cellular Concept

1. Content Description

Wireless and Mobile Communications is the invisible force that connects our world through mobile phones to the satellites orbiting the Earth. The world is rapidly tending towards an era of unprecedented connectivity, driven by rapid advancements in wireless technology. This material serves as a comprehensive guide to engineering students building their foundational knowledge or even professionals seeking to understand the latest trends in network evolution.Wireless and Mobile Communications is the invisible force that connects our world through mobile phones to the satellites orbiting the Earth. The world is rapidly tending towards an era of unprecedented connectivity, driven by rapid advancements in wireless technology. This material serves as a comprehensive guide to engineering students building their foundational knowledge or even professionals seeking to understand the latest trends in network evolution. This content provides a foundational introduction to principles of wireless networks and mobile communications. Participants will comprehend the fundamental concepts of signal propagation, which include attenuation, multipath, and fading. The content delves into the key technologies that enable mobility and high data rate communication. 

2. Fundamentals of Wireless Communication

• An introduction to wireless systems: Evolution of Wireless networks, its evolution, types, and an overview of the electromagnetic spectrum
• Concept of the wireless channel: Propagation mechanisms, Path loss (Both small-scale and large-scale), Fading, Doppler effect, and its impact

3. Multiple Access and Modulation Techniques

• Multi-access schemes: FDM, TDMA, CDMA, OFDMA, and how they compare
• Digital modulation: Review modulation basics, explain the Digital Modulation techniques (ASK, FSK, PSK, QAM). 

4. Cellular Concept

• Cellular systems: The cellular concept, cellular geometry and hexagonal cells, channel interference, and calculation of Signal-to-Noise Ratio (SNR)

 

 

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