parallax boe-bot parallax boe-bot tank parallax boe …•ΠΛ 657 – ΣΤΟΧΟΙ •ιαγωγή...
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ΕΠΛ 657
Ασύρματα Δίκτυα
ΕΑΡΙΝΟ ΕΞΑΜΗΝΟ 2012/2013
Δρ. Παναγιώτης Κολιός
Parallax BOE-Bot Parallax BOE-Bot Tank Parallax BOE-Bot
with gripper
Crossbow Mica2 Crossbow MicaZ Crossbow Mica2Dot
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: [email protected]
• 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 4ης 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, 4th 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
• Motivation and course objectives
• Overview of course
• Outline course requirements
– Reading papers
– Labs, 1 lab assignment, and 1 research
project
– Familiarisation with OPNET
Topic 1: Introduction (1
lecture)
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, Eb/No, …
– 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: Infrastructure-
based
• 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: Infrastructure-
based
• 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 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
• 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.ict-
ginseng.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 4th Generation networks
• C-CAST project (Context Casting) http://www.ict-ccast.eu/
• IMS
• 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/
Sample list of Research Topics: (cont.)
ΕΡΩΤΗΣΕΙΣ;
Sensors and sensor networks
Health care: A typical sensor
network application
34
Types of Wireless Networks
Infrastructured Networks Fixed, wired backbone
Mobiles communicate directly with access points
Suitable for locations where access points can be placed
Wired
Network
Access Point
802.11g
35
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
VANETS
3G: UMTS cellular network
Node BRNC
Node B RNC
UTRAN
RNS
RNS
4G
Node
B
RNC
Node
B RNC
UTRAN
RNSRNS
WLAN
WiMax
Other?