Export page to Open Document format View page as slide show

Wireless devices (Hardware)

Properties of wireless devices

  • Different sizes
    • Screen sizes
    • Physical size
  • Operating systems
    • Different apps
    • Different libraries & APIs
    • Different possibilities for apps development
  • Communication capabilities
    • Support for different technologies
  • User interfaces
  • Storage space
  • memory
  • Computational power
  • Power source & “uptime”
  • Users

Wireless mobile devices

  • Laptops
    • Notebooks, netbooks, mini-laptops (Eee PC)
  • Tablet computers
    • Internet tablets, iPad, Amazon Kindle
  • PDAs (mostly merged with mobile phones)
    • Historical devices: Palm Pilot, IPAQ, Zaurus, Nokia series (N770, N800, N810)
  • Mobile phones
    • From: Nokia, Motorola, Ericson, Apple, Siemens, Samsung, …
  • Gaming devices
    • Nintendo gameboy family, Sony PSP, Nokia N-gage
  • Special devices
    • Active badge, IBM personal server
    • Wiimote
    • RFID readers
    • RasberryPi
    • Arduino
    • Booklets and eBook readers,
    • picture frames
    • Other single task devices
    • Wear computing

Device capabilities: laptops

  • Not truly mobile
    • Nomadic usage
  • Various sizes 11“,1.3 Kg to 17”, 6Kgs
  • Similar OS as in desktop computers
    • Windows, Linux, Solaris, OS X
    • Similar apps as in desktop computers
    • Porting software from desktop is simple
  • Support most wireless comm techno through (PCMCIA, USB)
    • WLAN, Bluetooth, Infrared are commonly built into new models

Device capabilities: Tablets

  • 1992: PacrPad a precursor for tablet computers
    • Pen input
    • wireless connection
    • “Scrap computer” pick one, make notes & leave. Not intended to be carried around
    • User computing session stored in the network
  • Tablet PCs
    • Laptops with ParcPad capabilities i.e. touch screens & wireless connections
    • Some OSs lack features for effective use on tablet PC

225px-tablet.jpg ipad.jpg

  • Sizes vary from 5“ to 11” screen
  • Some devices can be used with one hand
  • Variety of operating system
    • Some familiar from desktop world e.g. linux
    • Some have their own proprietary OS.
  • Touch screen based UIs
    • Normally no keyboard
  • Web browser usually installed.

Device capabilities: Mobile phones

  • Vendors: Apple, Samsung, Nokia, Ericsson, Samsung, …
  • Variety of screen sizes & resolutions
  • UI - number pads, keyboards, stylus, touch
  • Capabilities vary
    • Smart phones have more capabilities than normal phones
  • Various RAM & Storage capacities
  • Low computation power - rapidly advancing
  • Wireless connectivity: GSM, GPRS, EDGE, UMTS,LTE, IrDA, Bluetooth, 802.11,
  • OS:
    • Symbian, Linux, Windows mobile, iOS, Android, proprietary.
  • Apps - some apps available for some of the given OS
    • Depending on the devices capabilities
    • Web browser is quite common already on medium priced phones.

Device capabilities: Other Devices

Mobile market

  • What is the target group of our service / app?
    • What kind od devices does the group have
    • What are the capabilities of these devices
    • What is the environment for these services
  • What device capabilities are required for our service
    • Does the device have required apps?
    • Can we create our own app to the device
    • How much computation is required
Last modified: 2014/02/19 09:57