Wireless Communications Networks

OSI Model, TCP/IP reference model, Understanding of Delay, Loss and Throughput, Networking Devices The Physical Layer: guided transmission media, wireless transmission, the public switched telephone networks, mobile telephone system. Data Link Layer- Design issues, error detection and correction, elementary data link protocols, sliding window protocols, example data link protocols – HDLC, PPP

Network Layer - Virtual and Datagram networks, IP protocol and addressing in the Internet the network layer in the internet (IPv4 and IPv6), Subnetting with IPs, Routing algorithms Transport Layer - Multiplexing and Demultiplexing, UDP, Principles of reliable data transfer, TCP, Congestion control, SIP protocol. Application Layer- Web and HTTP, E-mail, DNS, Socket programming with TCP and UDP. DNS, electronic mail, World Wide Web: architectural overview, dynamic web document and http. Application Layer Protocols, Network Security.

evolution of cellular systems requirements, goals, and vision of the next-generation wireless communication systems Fading, Requirements and Targets for Long Term Evolution (LTE) - Technologies for LTE- 4G Advanced Features and Roadmap Evolutions from LTE to LTEA - Wireless Standards.

Past, present, and future trends of cellular networks coverage and capacity of small cell networks Interference management, D2D architecture Towards IoT Spectrum sharing. Multicarrier modulation, OFDM, diversity multiplexing trade-off, OFDM system, smart-antenna: beam forming, cognitive radio, software-defined radio, communication relays, spectrum sharing.

Contention-free multiple access schemes (FDMA TDMA, CDMA, SDMA, and Hybrid), contention-based multiple access schemes (ALOHA and CSMA), Waveforms, Variable subcarrier spacing, supported transmission numerologies. Design Challenges in Ad-hoc wireless networks, the concept of cross-layer design, security in wireless networks, energy-constrained networks, MANET and WSN.