CS718 Wireless Networks

CS718 Wireless Networks


Introduction to Wireless Communication, Wired vs. Wireless Communication, Electromagnetic Signal, Time-Domain Concepts, Frequency-Domain Concepts, Channel Capacity, Signal-to-Noise Ratio, EM Spectrum, Design Challenges, Wireless Transmission, Signal Encoding and Modulation, Categories of Noise, Attenuation and other Impairments, Multiplexing, Transmission Mediums, Propagation Modes, Multipath Propagation, Types of Fading, Error Detecting and Correcting Techniques, Multiple Access Techniques, CSMA and Spread Spectrum, Evolution of Wireless Networks (1G Cellular Networks, 2G Cellular Networks, 2.5G Cellular Networks, 3G Cellular Networks, Limitation of 3G, 4G Objectives, Issues, QoS, Security, Multimedia Services and Applications, Convergence of Cellular and WLAN, Billing Issue, WLANS(IEEE802.11), WiMAX (IEEE802.16), Wireless PAN(IEEE802.15)), Fundamentals of Cellular Concepts(Cellular Concept, AMPS Architecture, Frequency Reuse, Locating co-channel cells, Channel Assignment Strategies, Handoff Strategies, Prioritizing Handoff, Practical Handoff Considerations, Co-channel Interference and Capacity, Adjacent Channel Interference and Capacity, Channel Planning for Wireless System, Trunking and Grade of Service, Measuring Traffic Intensity, Trunked Systems, Erlang Charts, Improving Coverage and Capacity, Cell Splitting, Sectoring, Repeaters for Range Extension, Microcell Zone Concept), Analog Mobile Phone System (Introduction, Architecture, System Overview, Call Handling, Air Interface, Supervisory Signals, N-AMPS), GSM: Global System for Mobile Communication (Introduction, System Architecture, Network Areas, Specifications, Subscriber Services, Mobility, Identifiers in GSM Network) Identifiers in GSM Network, Call Routing in GSM, GPRS: General Packet Radio Service (Introduction, Architecture, Registration and Session Management, Routing Scenario in GPRS, Channels Classification, Protocol Architecture, Air Interface, Data Routing and Mobility, Uplink Data Transfer, Downlink Data Transfer, QoS in GPRS, EDGE Airlink), IS-136, IS-136 Channels and Specifications, CDMA One / IS-95 (Advantages and Drawbacks of CDMA Cellular, Mobile Wireless CDMA Design Considerations, IS-95 CDMA Forward Channel), Walsh Codes, IS-95 Reverse Link, EDGE: Enhanced Data Rate for GSM Evolution (Introduction, Modulation and Coding Schemes, Link Adaptation and Incremental Redundancy, Capacity Planning, Dynamic Abis Pool, Benefits), WCDMA / UMTS (Introduction, Service Classes in UMTS, UTRAN Architecture, Radio Interface protocol Architecture, Protocol Models for UTRAN, Logical Channels in WCDMA, Spreading and Scrambling, Transport and Physical Channels, Signaling, Physical Layer Procedures, Compressed Mode Measurements, Handover Measurements, WCDMA Packet Data Access, Transport Channels For Packet Data, Packet Scheduling Algorithms), CDMA 2000 (Introduction, New MAC and Physical Layer Features, Physical Layer of cdma2000, Reverse Physical Channels, New Network Elements in cdma2000, Mobility Management, Handoff, Wireless LAN/IEEE 802.11 (Overview, IEEE 802.11 Protocols, Architecture, Services, MAC Protocols, CSMA/CA Algorithm) , Problems with DCF, RTC / CTS Protocol, PCF, MAC Frames, Physical Media in Original IEEE 802.11, Mobile Ad Hoc Networks (Introduction, Characteristics, Ad Hoc vs. Cellular Networks, Applications, Challenges, Routing Protocols), 802.11 Security, Types of Attacks, Flaws, WEP Protocol, WEP Authentication, Security Flaws in Original 802.11, IBSS Security Model, QoS in WLAN, Limitations of QoS in IEEE 802.11, Overview of 802.11e, Traffic Categories, EDCF,HCF, Mobile IP in Details, Introduction to Wireless Mesh Networks, Characteristics, WMN vs MANET, Architecture, Applications, Critical Factors Influencing Performance , MAC Layer in WMN, Network Layer in WMN, QoS Support at Each Layer, WMN Standards, TCP for Wireless Networks (Motivation, TCP Variants, Issues in Heterogeneous Wireless Networks, TCP Schemes for Wireless), Sensor Networks (Introduction, Applications, Factors Influencing Performance of WSN, Architecture and Communication Protocols, Challenges in WSNs), Research Directions, TinyOS, Overview of MAC Protocols in WSN, Energy Efficiency in MAC, Proposed MAC Routing Protocol in WSNs, Routing Challenges and Design Issues, Routing Protocols in WSN (SPIN, Directed Diffusion, ACQUIRE, LEACH, TEEN/APTEEN, GAF, GEAR, SPEED), Transport Protocols for WSN, TCP/UDP for WSN, Security Threats in WSN, TinySec, Motivations of Link Layer security, TinySec Design Goals, Semantic Secure Encryption in TinySec, Security primitives in TinySec, Encryption Schemes, Keying mechanism, Wireless Multimedia Sensor Networks(WMSN), Wireless Sensor Actor Networks(WSAN), WSANs vs. WSN, Introduction to WPAN, Bluetooth introduction, Technical Features, Access Technique, Bluetooth Topology/Scenario, Specifications and Architecture, Core Protocols, Packet Format, Link Connections and Flow Specification Parameters, High Rate WPAN (IP Over Bluetooth, Bluetooth Security, WPAN Standards,IEEE 802.15.3, Overview, Topology, Coordination, Medium Access, Channel Time Management, Power management, MAC Frame format), IEEE 802.15.4/ZigBee (Overview, Basics, Type of Devices, Topology, Addressing, Physical Layer, Channel Access Mechanisms, Data Transfer Model, Superframe Structure), WiMax/IEEE 802.16 (Basics and Overview, Forum, IEEE 802.16 Evolution and Standard, Comparison 802.11 and 802.16,Network Architecture, OFDM, OFDMA, Physical Layer Features, MAC Layer), WiMax/IEEE 802.16 MAC QoS (Reference Model, Burst Profiles, Convergence Sub-layers, MAC PDU Format and Transmission, Fragmentation / Packing, Request/Grant Scheme, Classes of Uplink Service, Power Management/Handoff), 4G Overview, Issues, Mobility Management, Handoffs (Types, Issues, Process and Standard),QoS Considerations

Course Synopsis

This is a graduate level course. The course will introduce the basics of wireless communication, the evolution of modern wireless cellular networks and the design principles of cellular network. It will also demonstrate the architecture and protocols of GSM, GPRS and WCDMA cellular systems. The course will develop concepts of the emerging wireless networks: Wireless LAN, Wireless Mesh Networks, Wireless Personal Area Networks, Wireless Sensor Networks, WiMAX. The emphasis will also be on exploring research issues in emerging wireless networks.

Course Learning Outcomes

Upon successful completion of this course, students will be able to:

  • Understand the basics of wireless communication.
  • Have adequate knowledge about the evolution of wireless systems.
  • Understand the design of cellular systems in terms of frequency planning, system capacity and quality of communication.
  • Have knowledge of supporting packet data traffic on cellular systems and enhancements for higher data rates.
  • Able to carry research in emerging wireless networks.

Download Section

CS718 Handouts

CS718 PPT Slides

CS718 Video Lectures

CS718 Midterm

CS718 Final Term

CS718 Viva