General background on mobile devices and solutions including context awareness

Transcription

1 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

2 18 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

3 19 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 ... Social: Twitter Time: Calendar Dynamic media: podcasting

4 20 LITTERATURE IN THIS COURSE Lectures Web-dokumenter Web-dokumenter and links in them

5 21 SEMINAR

6 22 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 ( ) Usability improves. Now not only geeks that used phones and tablets Atoms becomes bits (music, movies, newspapers, books, periodicals)

7 23 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 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

8 24 EVOLUTION?

9 25 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

10 26 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 Pager Wristwatch Camera Video camera Dictaphone Music Player Remote control Flashlight Lightmeter Barcode reader Compass HRM Game Console Radio TV Address book Newspaper Map Car GPS Baby-monitor Sound measuring device Instrument tuner Pedometer Speedometer Stopwatch Alarm clock Encyclopedia Bus schedule Pocket calculator Wireless access point Safety alarm/device Translator Music Instrument Health monitor Money Car key Ticket (parking, plane ++) Bank Bookshop Passport? Intelligent personal assistant Augmented reality

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13 29 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)

14 30 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)

15 31 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

16 32 MISCELLANEOUS TERMS

17 33 MISCELLANEOUS TERMS Augmented reality Often: Live view of the world on which the device puts additional information

18 34 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)

19 35 INVENTIONS Mobile phone (1973: Martin Cooper, Motorola) GSM (1982: Torleiv Maseng, SINTEF)

20 36 MOBILE COMMUNICATION Ship to shore and car-phones: 1930 and -40s. Different analog and digital services (1940s-1970s) 1G: G: G: G: 2009

21 37 MOBILE COMMUNICATION PDA Term by... Smartphone Term by... Converged device

22 38 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

23 39 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)

24 40 TWIT.TV

25 41 TWIT.TV

26 42 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

27 43 HIG? Subscribing to and automatically informed about changes in: Calendars for courses (imt2551.ical) Recorded lectures (imt2551.rss)

28 44 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

29 45 ASSIGNMENTS Read through the articles linked here to get a deeper understanding of mobile technology, terms and history

30 46 RESOURCES The basics

31 47 RESOURCES Miscellaneous terms

32 48 RESOURCES Communication

33 49 RESOURCES Inventions

34 50 RESOURCES Handsets

35 51 RESOURCES Mobile business

36 52 RESOURCES Podcasts relevant to mobile technology

37 53 CONTACT INFORMATION Name Telephone WWW Office Available Kjell Are Refsvik A-224 A-B -