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CSIE54600 Pervasive Computing Lecture02: Overview
Note 42
Pervasive Computing is
Situated Computing
z Makes use of simple shared context
z S
p
ace
p
z Time
z Proximity
z Participation in the context
z is
p
h
y
sical
Pervasive Computing Overview 82
py
z is out here with us
z Is in many small and large places, including
trivial ones
New Science from Exploring
Pervasive Computing
z Theoretical computer science: network security, caching
over slow networks, …
z
Operating systems: scalable to wristwatches, user
-
z
Operating
systems:
scalable
to
wristwatches,
user
extensible O.S.’s, reliable without redundancy, low
power O.S.
z User interfaces, hardware and software gestures, two-
handed input, pie-menus, unistroke alphabets
z Networking, hardware and software: radio, infrared,
mobile protocols in
-
building wireless LANs over varying
Pervasive Computing Overview 83
mobile
protocols
,
in
building
wireless
LANs
,
over
varying
bandwidth
z Computer architecture, hardware and software: post-it-
note computers, low power O.S., multimedia pad
computers
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