Mobile Computing Technology at Vindigo - DiUF

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24 Νοε 2013 (πριν από 3 χρόνια και 11 μήνες)

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Mobile Computing
Technology at Vindigo


Sascha Iseli

March 2003

University of Freiburg (CH)

Content:

1.
Mobile Computing

2.
PDA

3.
Mobile applications

4.
Vindigo

5.
Design principles

6.
Data compressioin

7.
Vindigo Clients


Mobile Computing


Mobile Devices:


Portable digital assistent (PDA)


Mobile Phone


Pocket PC

Mobile Computing

Increase of mobile applications





Characteristics of a PDA


Palm m505


Storage:

8MB


Processor:

16MHz


Display:

160*160 pixels


Communication:



20kB/s

Requirement of a mobile
application


Fast response times


Intuitive user interface


Relevant content


Fast communication


Vindigo


What is vindigo?


Navigator for a mobile computer


Characteristics of vindigo


food: thousands of restaurants, delis, and coffee
shops in each city


bars: great bars and clubs


shops: the nearest places to buy books, music,
clothes, flowers and more


services: from ATMs to parking garages


museums: exhibitions and permanent collections


music: listings for live music shows


movies: listings for every movie now playing, plus
reviews

Use of vindigo


Select interests

Use of vindigo


Shows restaurants

Use of vindigo


Map

Use of vindigo

Personal notes

Design principles


Customized


Promote Local processing


Minimum communication with the Internet


Economically use of the memory


Text compression


3.5:1


Ideal for slow processors


Designed to work in real time


Context
-
free


Offers efficient random access

Three variants


Fat
-
Client


PDA


Thin Client


Mobile phone


Hibrid


PDA