dipl inf uwe kubach prof dr kurt rothermel
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Seminar Mobile Computing Winter S emester 01/02

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Dipl.-Inf. Uwe Kubach Prof. Dr. Kurt Rothermel. Seminar Mobile Computing Winter S emester 01/02. Contact Information. Web page : http://www.informatik.uni-stuttgart.de/ipvr/vs/lehre/ws0102/seminare/MC/ index .html Instructor: Uwe Kubach

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contact information
Contact Information

Web page:

http://www.informatik.uni-stuttgart.de/ipvr/vs/lehre/ws0102/seminare/MC/index.html

Instructor:

Uwe Kubach

Email:[email protected]: 0.179Office hours: by appointment

Examiner:

Prof. Kurt Rothermel

Email: [email protected]: 2.006Office hours: by appointment

contents of this talk
Contents of this Talk
  • Your presentation
    • Literature Research
    • Preparing your talk
    • Preparing your paper
  • Schedule and dates
  • Assignment of topics
preparing your presentation
Preparing your Presentation

General :

  • Research the literature for relevant articles and extract the information pertinent to your assigned topic.
  • Do not lose focus of the overall topic of the seminar and your assigned topic.
  • Prepare a talk on the topic you have examined.
  • Prepare a paper summarizing the results of your work.
literature research
Literature Research
  • Starting points:
    • Topic description
    • (possibly) own information
  • Check the library for
    • Books
    • Proceedings
    • Magazines and transactions
    • References in topic description are only hints.
  • Web-based research:
    • most currentinformation (authors’ web pages)
    • Information from manufacturers and organizations
    • scientific articles (e.g. ResearchIndex under citeseer.nj.nec.com/cs)
    • Generic search engines (e.g. Google under www.google.com)
presentations
Presentations
  • Presence at all presentations is mandatory for all participants.
  • You are expected to participate actively in the discussions.
  • Time:
    • 30 minutes presentation time
    • longer talks (up to 45 minutes) possible after announcement.
    • about 15 minutes discussion
  • Presentation media:
    • Slides and overhead projector
    • Electronic presentation (caution: more work)
preparing your presentation7
Preparing Your Presentation
  • Collect and read material
  • Understand the goal of the presentation and your target audience
    • What do you want them to learn?
    • What does your audience already know?
    • What are the core contents of your presentation?
    • What kind of presentation will you give (overview talk, detailed technical presentation, discussion of research directions, …)
    • Possibly: Do you need to prepare additional material (handouts, …)?
  • Calculate the time needed for your presentation
    • 2-3 minutesper slide
structuring your presentation
Structuring your Presentation
  • Decide on the contents of your talk
    • You will not have time to cover every detail: Decide which parts of the information are important
  • Structure the contents
    • like in a book
    • in logical, historical or functional order
  • Estimate time needed to cover each subtopic
  • Estimate number of slides per subtopic
how to organize a presentation
How to Organize a Presentation
  • Structure
    • Cover slide
    • Overview of the contents (repeat during presentation if giving a long talk)
    • Main part; organized into subtopics
    • Summary
    • Outlook
  • Pay attention to the transitions between the subtopics
  • Practice the talk, e.g. in front of a friend
slide design guidelines
Slide Design Guidelines
  • Use landscape format
  • Use a sans-serif font of sufficient size (e.g. 20pt Arial)
  • Use the same layout throughout your presentation
  • Do not overload the slide; 7-9 points per slide will do
  • Avoid complete sentences
  • Use graphics to enrich your presentation
giving a talk
Giving a Talk
  • Have a clear idea of what you are presenting
  • Make sure everyone can see the slides, don’t obstruct the view
  • Try to look at the audience most of the time
  • Speak freely:
    • Don’t read off the slides
    • Don’t memorize the talk exactly
  • Stay close to the topic you are presenting
  • Be prepared to skip slides if you run out of time
  • Avoid long discussions with the audience - there is time for discussions after the talk
electronic presentations
Advantages

Less expensive (no slides)

Might be more impressive

Dynamics of a situation can be visualized (animations)

Color can be used more easily

Disadvantages

More work, additional effort to set up equipment

Technical failures possible

(Potentially) harder to re-use material for your paper

Electronic Presentations
paper
Paper
  • Formally, your paper should have the following contents:
    • Your name and semester
    • Date of your talk
    • Title of the seminar
    • Name of the topic you have prepared
    • Abstract of your paper
    • Introduction (including the contents of the paper)
    • Main part
    • Summary and outlook
    • Bibliography
paper 2
Paper (2)
  • Make sure that readers of your paper can understand it without further information
    • Give special attention to the structure
    • Make sure the reader can follow the thread of your arguments
  • The paper should be…
    • …10-15 pages long
    • …written in a 12pt font, single-spaced
  • Important: Stay objective!
schedule
Schedule
  • Today: Assignment of topics
  • Four weeks before your talk: Q & A (optional)
  • One week before your talk: mandatory meeting
    • Draft version of presentation slides
    • Draft version of paper
  • Date of talk:
    • Final version of paper (printed + electronically)
    • Final version of your slides (printed + electronically)
  • Make appointments for meetings early! (e-mail)
cheating
Cheating
  • Everyone who cheats fails.
  • Copying text from other authors in your paper / slides is not allowed!
  • Copying ideas without referencing the authors is not allowed!
  • You have to write all parts of your paper / slides on your own!
list of topics
List of Topics
  • Conventional vs. Mobile Computing
    • Overview of conventional protocol stack
    • Problems / challenges in Mobile Computing
    • Mobile Computing devices
  • Wireless Local Area Networks
    • Problems with CSMA/CD in wireless environments
    • MACA
    • Infrared vs. RF
    • Standards (IrDA, IEEE 802.11, Bluetooth, HIPERLAN)
  • Mobile Network Layer
    • Overview of IP
    • Problems with IP in wireless environments
    • Mobile IP and Tunneling
    • DHCP
list of topics 2
List of Topics (2)
  • Mobile Transport Layer
    • Overview of TCP
    • Problems with TCP in wireless environments
    • Wireless transport protocols (I-TCP, M-TCP, TCP Westwood, ...)
  • Wireless Telecommunication Systems
    • Packet switched vs. Circuit switched networks.
    • Architecture of current and future telecommunication systems (GSM, HSCSD, GPRS, EDGE, UMTS)
    • Data rates and costs
  • Mobile Data Management I
    • Caching
    • Replication
    • Asynchronous information access
list of topics 3
List of Topics (3)
  • Mobile Data Management II
    • Broadcast dissemination
    • Prefetching
    • Hoarding
  • Mobile Ad Hoc Networks (MANETs)
    • Characteristics
    • Classification of routing algorithms for MANETs
    • Examples of routing algorithms for MANETs
  • Location-Aware Systems
    • Definition
    • Location systems (Active Badges, GPS, DGPS, ...)
    • Examples of location-aware systems (GUIDE, VITs, CyberGuide, ...)
list of topics 320
List of Topics (3)
  • Ubiquitous Computing
    • Idea and vision
    • What\'s new about this paradigm? Challenges?
    • Devices
    • Examples of ubiquitous computing applications