Parallax BOE-Bot Parallax BOE-Bot Tank Parallax BOE-Bot with gripper Crossbow Mica2 Crossbow Mica2Dot Crossbow MicaZ ΕΠΛ 657 Ασύρματα Δίκτυα ΕΑΡΙΝΟ ΕΞΑΜΗΝΟ 2012/2013 Δρ. Παναγιώτης Κολιός
ΕΠΛ 657 Εαρινό 2012/2013 Διδακτικές Μονάδες: 7.5 ECTS Αίθουσα Διαλέξεων: ΧΩΔ01-003 Ώρες Διαλέξεων: Δευτέρα 15:00-18:00 Ώρες Γραφείου: Τρίτη & Παρασκευή 18:00-19:00 Φροντιστήριο: Τετάρτη 16:30-18:00 Εργαστήριο: TBA
ΕΠΛ 657 Διδάσκοντες Δρ. Παναγιώτης Κολιός Γραφείο.: ΘΕΕ01-Β120 Ώρες Γραφείου: Τρίτη και Παρασκευή 18:00-19:00 e-mail: pkolios@cs.ucy.ac.cy Γιάννος Μυλονάς Εργαστηριακές Μελέτες Φροντιστήριο
ΕΠΛ 657 Προαπαιτούμενα Εισαγωγικό μάθημα σε δίκτυα υπολογιστών EΠΛ-324 Δίκτυα και Επικοινωνίες EΠΛ-420 Δίκτυα Υψηλών Ταχυτήτων ΕΠΛ-606 Δίκτυα Υπολογιστών ή ανάλογο
ΕΠΛ 657 ΣΤΟΧΟΙ Εισαγωγή σε ασύρματα δίκτυα, όπως: Τοπικά (WLAN), ad-hoc, sensor, VANETS Μητροπολιτικά (WiMax), κινητά, κυψελωτά (UMTS), Έμφαση σε θεμελιώδεις έννοιες και αρχές τις τεχνολογίας για τη σχεδίαση, εφαρμογή, αξιολόγηση, και ανάπτυξη των συστημάτων αυτών, καθώς και νέων αρχιτεκτονικών και τοπολογιών. Θα μελετηθούν υπάρχοντα και προτεινόμενα πρότυπα, και θα συζητηθούν θέματα ερευνητικού ενδιαφέροντος
ΕΠΛ 657 Περιεχόμενα Ασύρματο περιβάλλον & βασικές αρχές ασυρμάτων δικτύων Τοπολογίες δικτύων: Infrastructure and Infrastructureless Ασύρματα Τοπικά Μητροπολιτικά Δίκτυα: Λειτουργία, σχεδίαση και διαστασιοποίηση (WLAN, WiMAX, Wireless Mesh Networks) Νέες Infrastructureless αρχιτεκτονικές και τεχνολογίες Ad-hoc, sensor networks, VANETS Κινητά δίκτυα τρίτης γενεάς (3G UMTS) και 4 ης Γενεάς (4G) Πρωτόκολλα κινητών δικτύων Έρευνα και ανοικτά προβλήματα
ΕΠΛ 657 Αξιολόγηση Γραπτή Τελική Εξέταση 50% Μελέτες + Εργαστήριο 20% Project 30% Αποτυχία φοιτητή στην τελική εξέταση ή στο Project ισοδυναμεί με αποτυχία στο μάθημα (δηλαδή βαθμός λιγότερος από 4.5 στα 10) ισοδυναμεί με αποτυχία στο μάθημα.
ΕΠΛ 657 Βιβλιογραφία Βασική βιβλιογραφία: Holger Karl, Andreas Willig, Protocols and Architectures for Wireless Sensor Networks, Wiley, 2005. Kazem Sohraby, Daniel Minoli, Taieb Znati, Wireless Sensor Networks: Technology, Protocols, and Applications, Published Online: 1 AUG 2006, Print ISBN: 9780471743002, Online ISBN: 9780470112762, DOI: 10.1002/047011276X Schiller, J, Mobile Communications, 2nd edition, Addison-Wesley, 512 pages, ISBN 0-321-12381-6, August 2003 H. Holman and A. Toskala, WCDMA for UMTS, 4 th edition, Wiley. Χρήσιμα εργαλεία: OPNET simulation tool Ns-2 simulation tool Tiny OS tutorials: http://www.tinyos.net/tinyos-1.x/doc/tutorial/ An NS2 simulation package for IEEE 802.15.4 and ZigBee routing (ZBR) can be found at: http://www-ee.ccny.cuny.edu/zheng/pub
ΕΠΛ 657 Iστοσελίδα http://www.cs.ucy.ac.cy/courses/epl657/ Περιεχόμενα: Συμβόλαιο Μαθήματος Σημειώσεις Διαλέξεων Εκφωνήσεις Ασκήσεων Θέματα μελετών και χρονοδιαγράμματα Άλλες πηγές πληροφοριών
TOPICS, LECTURE SCHEDULE AND RESEARCH TOPICS
Topic 1: Introduction (1 lecture) Motivation and course objectives Overview of course Outline course requirements Reading papers Labs, 1 lab assignment, and 1 research project Familiarisation with OPNET
Topic 2: Wireless Environment (2 lectures) Ασύρματο περιβάλλον / Wireless environment Παρεμβολές στο ασύρματο περιβάλλον Radio transmission and impairments (coding, noise, fading, propagation, higher BER, interference, ) Introduction to important quantities, such as SNR, C/I, E b /N o, OPNET lab
Topic 3: Fundamental concepts (2 lectures) Βασικές αρχές σε ασύρματα δίκτυα (Fundamental concepts in wireless networks) Modulation Share/reuse resources (time, frequency / wavelength, space, codes, ) Medium Access Control Types of networks: Infrastructure vs Infrastructureless Example wireless/mobile networks Effect of mobility on applications Radio Resources and Mobility (incl. handover)
Topic 4: Infrastructurebased Wireless LANs (3 lectures) Ασύρματα Τοπικά Δίκτυα (ΙΕΕΕ 802.11a/b/g, 802.11e) Σχεδίαση και διαστασιοποίηση ασυρμάτων δικτύων (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 (802.11az)
Topic 4: Infrastructurebased Μητροπολιτικά Ασύρματα Δίκτυα / Metropolitan Area networks: WiMax Wireless Mesh Networks
Topic 5: Infrastructureless Networks Ad-hoc and Sensor Networks (5 lectures) Motivation Key issues demands Trends special focus on routing issues VANETS Reading paper presentation by students
Topic 6: Cellular Mobile Networks (2 lectures) Κινητά δίκτυα τρίτης γενεάς (UMTS) Αρχιτεκτονική των κυψελωτών δικτύων (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 7: Radio Resource Management (3 lectures) Τεχνικές διάθεσης ασύρματων πόρων (Radio Resource Management) σε ασύρματα δίκτυα (κυψελωτά, τοπικά, ad-hoc, και sensor) Fundamentals (RRMs objectives, mechanisms, etc ) Example application in UMTS, WLAN, Sensor networks Special attention to mobility and handover Διαχείριση Ραδιοκυμάτων και κινητικότητας (handover, power, and mobility) OPNET lab Reading paper presentation by students (RRM, e.g. general or handover issues)
Topic 8: 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 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 (if numbers allow) Every student will present 1-2 papers over the semester period. Selection of topic by end of 2 nd week.
General comments: (cont) Research Projects: Selection of a research topic. A list is provided on the web site. By end of 2 nd 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 (6 th week) and link to their project work. Brief outline of progress (10 th week). Final presentation of research project (focus on results) 13 th week of the semester.
Open issues and research directions Έρευνα και ανοικτά προβλήματα, (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, WiMax, Wireless Mesh Ad-hoc networks and Sensor networks VANETS UMTS, 4G RRMs Mobile protocols Opportunistic networks
Sample list of Research Topics: (cont.) WLAN resource allocation issues (RRM in WLAN) IEEE802.11e (service prioritisation, investigate video streaming and compare with IEEE 802.11g/n) WiMAX, Wireless Mesh Mobile Social Networks IoT, WoT LTE
Sample list of Research Topics: (cont.) Sensor and ad-hock networks (simulator based or real system evaluation), e.g. Congestion control and Controlled performance Routing Topology control and mobility issues Security concerns E.g. GINSEG project http://www.ictginseng.eu and MINDC2 Test-bed based projects can be for a team
VANETS Routing and dissemination in VANETS EM-VANETs, see website http://www.emvanets.transim.com.cy/
Sample list of Research Topics: (cont.) 3rd Generation and beyond Mobile Networks: Performance Evaluation using simulation tools (OPNET), resource allocation issues for UMTS Radio Resource Management mechanisms 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) Network Selection mechanisms for 4 th Generation networks C-CAST project (Context Casting) http://www.ict-ccast.eu/ IMS
Sample list of Research Topics: (cont.) Performance Evaluation of congestion control mechanisms in wireless and mobile networks. QoS Adaptation in Mobile networks Survey of current trends Traffic Engineering in mobile networks using MPLS Mobility extensions for MPLS LTE IoT, WoT Other projects within the networking research domain, See http://www.netrl.cs.ucy.ac.cy/
ΕΡΩΤΗΣΕΙΣ; pkolios@cs.ucy.ac.cy
Sensors and sensor networks
Health care: A typical sensor network application
Types of Wireless Networks 802.11g Wired Network Access Point Infrastructured Networks Fixed, wired backbone Mobiles communicate directly with access points Suitable for locations where access points can be placed 34
Types of Wireless Networks Infrastructureless Networks (Ad hoc networks) No wired backbone All nodes are capable of movement All nodes serve as routers (multi-hop routes) Reduced administrative cost Ease of deployment 35
VANETS
3G: UMTS cellular network Node B RNC Node B RNC RNS RNS UTRAN
4G WLAN Node B RNC RNS Node B RNC RNS WiMax UTRAN Other?