EPL657 Mobile Networks Lectures outline

EPL657 Mobile Networks: Lectures outline Topic 1: Introduction (1 lectures) • Motivation and course objectives • Overview of course • Reading papers • Labs, 1 lab assignment, and 1 research project • Familiarisation with OPNET Topic 2: Wireless Environment (2 lectures) • Αζύρμαηο περιβάλλον – Παρεμβολές ζηο αζύρμαηο περιβάλλον • Radio transmission and impairments (coding, noise, fading, propagation, higher BER, interference,…) • Introduction to important quantities, such as SNR, C/I, Eb/No, … • Multiplexing, Channel sharing/allocation, MAC, … • Mobility and handover issues • Effect of mobility on applications (select representative applications from real and non-real time – ftp, web and video) – OPNET lab Topic 3: Fundamental concepts (2 lectures) • Βαζικές αρτές κσυελοειδών ζσζηημάηφν κινηηών επικοινφνιών και αζύρμαηφν ηοπικών δικηύφν (Fundamental concepts in cellular and WLAN wireless networks) – Cellular concepts (reuse resources) – WLAN (shared space) – Ad-hoc (shared resources) – Sensor (shared resources, large dimension, autonomous, large space) Topic 4 Cellular Mobile Networks (2 lectures) • Κινηηά δίκησα ηρίηης γενεάς (UMTS) – Αρτιηεκηονική ηφν κσυελφηών δικηύφν (interference between cells, mobility and handover issues) – RAN and Core • UE, • Node B, • RNC • GGSN, SGSN, • and interconnection with fixed networks (e.g. IP network) • Reading paper presentation by students (IMS architecture) Topic 5 Radio Resource Management (3 lectures) • Σετνικές διάθεζης αζύρμαηφν πόρφν (Radio Resource Management) ζε αζύρμαηα δίκησα (κσυελφηά, ηοπικά, ad-hoc, και sensor) – Fundamentals (RRMs objectives, mechanisms, etc…) – Example application in UMTS, WLAN, Sensor networks – Special attention to mobility and handover – Γιατείριζη Ραδιοκσμάηφν και κινηηικόηηηας (handover, power, and mobility) OPNET lab • Reading paper presentation by students (RRM, e.g. general or handover issues) Topic 6: Wireless LANs (3 lectures) • Αζύρμαηα Σοπικά Γίκησα (ΙΔΔΔ 802.11a/b/g, HIPERLAN, 802.11e) – ΢τεδίαζη και διαζηαζιοποίηζη αζσρμάηφν δικηύφν (Network design and planning issues and performance evaluation). – OPNET assignment: Given traffic profile and topology maps (one or two floors of office space and big shopping areas or football ground), place BSS and assess performance • 1. without real time (ftp, web), • 2. with real time (video distribution). – Reading paper presentation by student (802.11e) Topic 7: Basics of Networking Protocols for wireless networks (4 lectures) • Protocols for wireless and mobile networks: – Wireless TCP, Session Mobility, Mobile-IP (IPv4, IPv6), Transport protocols for mobile networks – OPNET lab: Mobile-IP (video distribution). • Reading paper presentation by students (wireless TCP) Topic 8: Ad-hoc and Sensor Networks (5 lectures) • Νέες ηοπολογίες δικηύφν (ad-hoc networks, sensor networks) – – – – – Motivation Key issues demands Trends special focus on routing issues • Reading paper presentation by students (Akildyiz survey) Topic 9: Presentations of research projects (2 lectures) • Each student will present (and demonstrate, or present results) of the final research project during the last week of the semester General comments: • Labs (using OPNET simulator) • A number of labs will be performed by the students to reinforce the fundamentals • A lab assignment will be performed to introduce the student into a WLAN planning and design exercise. General comments: (cont) • Paper presentation – Every student will present 1 paper (or share a paper) over the semester period. Selection of topic by end of 2nd week. General comments: (cont) • Research Projects: – Selection of a research topic. A list is provided on the web site. By end of 2nd week select topic. – Each student will present their project objectives and work plan during the 4th week of the course. The student will by then have identified at least a core paper, which will be used as the basis for the research project. – Each student will present the review of at least one paper which is core to the chosen research project (6th week) and link to their project work. – Brief outline of progress (10th week). – Final presentation of research project (focus on results) – 13th week of the semester. Open issues and research directions • Έρεσνα και ανοικηά προβλήμαηα, (Open research issues and challenges; the network group web page contains many links) will be highlighted throughout the course. Sample list of Research Topics: • General topics of interest – WLAN – UMTS – RRMs – Ad-hoc networks – Sensor networks – Autonomic mobile networks Sample list of Research Topics: (cont.) • 3rd Generation and beyond Mobile Networks: – ( a ) Performance Evaluation using simulation tools (OPNET), – (b) resource allocation issues for UMTS – (c) Radio Resource Management mechanisms (One or more from Power control, handover, admission control, load control, packet scheduling) • Research of modifications and additions to mobile network RRM mechanisms (power control, handover, admission control) to enable the use of different communication modes (unicast, multicast, broadcast) Sample list of Research Topics: (cont.) • WLAN resource allocation issues (RRM in WLAN) • IEEE802.11e (service prioritisation, investigate video streaming and compare with IEEE 802.11a/b/g) • Wireless sensor network test bed (can be a project of a team of 2) Sample list of Research Topics: (cont.) • VoIP System evaluation in mobile networks. Evaluation of signalling protocols for session establishment. Influence of transport protocols (TCP, UDP, SCTP) on their performance • Analysis and modelling of UMTS traffic. Traffic characteristics in modern networks have radically changed compared to past years. Recent studies have shown that packet arrivals are not exponentially distributed. Instead, such arrivals have been modelled as self similar processes Sample list of Research Topics: (cont.) • Performance Evaluation of congestion control mechanisms in wireless and mobile networks. • Extending the Fuzzy-RED algorithm (active queue management) by adding parameters such as ECN, routing information etc, to improve the Quality of Service in IP mobile networks. • QoS Adaptation in Mobile networks – Survey of current trends – update of existing simulator • Traffic Engineering in mobile networks using MPLS • Mobility extensions for MPLS Sample list of Research Topics: (cont.) • Other projects within the networking research domain, See http://www.netrl.cs.ucy.ac.cy/