General background on mobile devices and solutions ... - NTNU

GJØVIK UNIVERSITY COLLEGE

General background on mobile devices and solutions including context awareness Kjell Are Refsvik 20

January 16, 2012 IMT2551 Mobile Systems Fundamentals CC: BY-NC-SA http://www.ansatt.hig.no/kjellr/imt2551

mandag 16. januar 12()

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TODAY’S GOAL After this lecture and its activities, you should be able to:

• Have an overview over where the mobile smartphone scene is today and what to read to get supplement information

GJØVIK UNIVERSITY COLLEGE mandag 16. januar 12()

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LENDING OUT DEVICES

• So that you can get to know this technology • Push vs pull • Data+interface (web apps/sites) vs data-only services (e.g. calendar) • Experience accessibility so that you can design and work with accessibility

• Tie into our network and services • WiFi: Eduroam • Email: ... • Social: Twitter • Time: Calendar

• Dynamic media: podcasting GJØVIK UNIVERSITY COLLEGE mandag 16. januar 12()

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LITTERATURE IN THIS COURSE

Web-dokumenter Lectures and links Web-dokumenter in them


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SEMINAR


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GENERAL TENDENCIES TODAY

• Lot of interest gravitates toward the mobile industry, dev. & research • Heavy focus on smartphones and tablets. New devices almost daily • Movement of power and money (from carriers to OS and app developers)

• Standardisation of UIs, equipment, apps, add-ons and infrastructure • Appification of the Web • Focus on the inside of devices, rather than the outside (1990-2007) • Usability improves. Now not only geeks that used phones and tablets • Atoms becomes bits (music, movies, newspapers, books, periodicals) GJØVIK UNIVERSITY COLLEGE mandag 16. januar 12()

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HIG IN 5 YEARS?

• Calendars, alarms and augmented reality helps you navigate in time and space around the campus?

• Social production of content in the cloud and easy-to-use tools to assess individual student contribution?

• More mobile services to help students navigate in Gjøvik? • Get full access to the library content on a tablet? • Most services online @ hig accessible by mobile devices? • Learning management system: mobile and social? • Full access to lecture streams and recordings (audio/video)? • Serious games help students connect to and socialize GJØVIK UNIVERSITY COLLEGE mandag 16. januar 12()

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EVOLUTION ? 1993

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CHALLENGES

• High cost of devices and access? • Radiation? • Less social – not more? • Important focus away from the open web and into closed apps • Too much compromise when replacing special hardware with mobile app solution


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1. Cameras 2. Microphone 3. Proximity 4. Ambient Light 5. Accellerometer 6. GPS 7. Compass Bluetooth WiFi GSM/UMTS/4G Touch screen


Telephone Answering machine

Sound measuring device Instrument tuner

Pager Wristwatch Camera

Pedometer Speedometer Stopwatch

Video camera Dictaphone Music Player Remote control

Alarm clock Encyclopedia Bus schedule Pocket calculator

Flashlight Lightmeter Barcode reader

Wireless access point Safety alarm/device Translator

Compass HRM Game Console

Music Instrument Health monitor Money

Radio TV Address book Newspaper

Car key Ticket (parking, plane ++) Bank Bookshop

Map Car GPS Baby-monitor

Passport? Intelligent personal assistant Augmented reality

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THE BASICS

• Mobile device • Handheld computer • Computer: input, processing, output. Communication and storage.

• Mobile OS • System software controlling the operations of a handheld computer

• Mobile phone • Feature phone (classic type, often with hardware keys) • Smartphone (highly adaptable modern touch-screen based)


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THE BASICS

• Mobile social network • Individuals contributing to and/or drawing value from an online social network using a mobile device • Web based and Native (using sensor capabilities in the device)


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MISCELLANEOUS TERMS

• Ubiquitous computing (Max Weiser, Xerox Parc, 1988) • computing integrated into everyday objects and activities • also described as pervasive computing or ambient intelligence • its base is a robust network of computing devices

• Context awareness • The device and/or network knows something about your situation to provide you useful services • Context useful to provide you services is often your location • You can state your context explicitly (Path: “sleeping”) or let the device use location, time, date, direction, speed and other info elements about you


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MISCELLANEOUS TERMS


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MISCELLANEOUS TERMS

• Augmented reality • Often: Live view of the world on which the device puts additional information


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COMMUNICATION

• Wireless: communication between entities not physically conneted. E.g. mobile phones

• First wireless phonecall, 1880 • Big jump 100 years ahead to the GSM standard (Groupe Spécial Mobile)

• Expanded to include data capability (GPRS and EDGE) • Later improved to form the 3G (UMTS) standard (0.2-9Mbps) • Will evolve into 4G (likely LTE) standard (potential Gbps)


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INVENTIONS

• Mobile phone (1973: Martin Cooper, Motorola) • GSM (1982: Torleiv Maseng, SINTEF)


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MOBILE COMMUNICATION

• Ship to shore and car-phones: 1930 and -40s. • Different analog and digital services (1940s-1970s) • 1G: 1979 • 2G: 1991 • 3G: 2001 • 4G: 2009


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MOBILE COMMUNICATION

• PDA • Term by ...

• Smartphone • Term by ...

• Converged device


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BUSINESS

• Shift of power and money • From cell providers to OS and device manufacturers, including their developers • Power struggle between MS, Google, Apple and RIM

• Earlier: Network providers gave customers curated content and access • Now: Network providers more a provider of basic network access • Network providers can to a less degree decide what apps and services are on the phones


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SUBSCRIBING TO AUDIO AND VIDEO ON YOUR DEVICE

• Streaming content live or dynamically downloading and playing content

• Subcribing to and downloading previously recorded material (podcast) • Podcasting interesting because it informs you and can be set to download new content (episodes)


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TWIT.TV


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TWIT.TV


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PODCASTING

• Mechanism of subscribing to content also used for printed material/ periodicals/newspapers in the iOS app store. Likely to turn up elsewhere as well


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CASTING @ HIG?

• Subscribing to and automatically informed about changes in: • Calendars for courses (imt2551.ical) • Recorded lectures (imt2551.rss)


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OTHER POPULAR PHENOMENON

• QR codes (Quick Response) • two-dimentional barcode that can be translated into alfa-numeric characters • today, used by mobile users to reduce typing


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ASSIGNMENTS

• Read through the articles linked here to get a deeper understanding of mobile technology, terms and history


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RESOURCES

• The basics • http://en.wikipedia.org/wiki/Mobile_device • http://en.wikipedia.org/wiki/Mobile_OS • http://en.wikipedia.org/wiki/Mobile_phone • http://en.wikipedia.org/wiki/Mobile_social_network


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RESOURCES

• Miscellaneous terms • http://en.wikipedia.org/wiki/Ubiquitous_computing • http://en.wikipedia.org/wiki/Context_awareness • http://en.wikipedia.org/wiki/Augmented_reality


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RESOURCES

• Communication • http://en.wikipedia.org/wiki/Wireless • http://en.wikipedia.org/wiki/GSM • http://en.wikipedia.org/wiki/4G • http://en.wikipedia.org/wiki/Universal_Mobile_Telecommunications_System • http://en.wikipedia.org/wiki/LTE_Advanced


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RESOURCES

• Inventions • http://en.wikipedia.org/wiki/Martin_Cooper_(inventor) • http://en.wikipedia.org/wiki/Torleiv_Maseng • http://www.ntnu.no/gemini/2005-01e/gsm.htm


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RESOURCES

• Handsets • http://en.wikipedia.org/wiki/History_of_mobile_phones • http://www.symbian-freak.com/images/news/09/04/nokia_timeline_l.jpg • http://en.wikipedia.org/wiki/Personal_digital_assistant • http://en.wikipedia.org/wiki/Simon_(phone) • http://en.wikipedia.org/wiki/Smartphone • http://en.wikipedia.org/wiki/Smart_device • http://en.wikipedia.org/wiki/Converged_device


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RESOURCES

• Mobile business • http://en.wikipedia.org/wiki/Vendor_lock-in • http://en.wikipedia.org/wiki/Mobile_business_development


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RESOURCES

• Podcasts relevant to mobile technology • http://3lib.ukonline.co.uk/sshow/ • http://5by5.tv/criticalpath/21 • http://twit.tv/ipt • http://twit.tv/twit


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CONTACT INFORMATION

Name

Kjell Are Refsvik

E-mail

[email protected]

Telephone 405 50 454 WWW

www.ansatt.hig.no/kjellr

Office

A-224 A-B

Available

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