Download ECE/CS 4984-Wireless and Mobile Systems Design

Wireless Networks and Mobile Systems
Lecture 15
Summary
Lecture Objectives
● Provide a brief summary of the class
■ Approach and objectives
■ What we covered and what we did not cover
Fundamentals: Summary
2
Integrated Approach
Topics
Mobile
Applications
Design
Characterization
Fundamentals: Summary
• Location and Context Aware
• Pervasive Computing
Middleware
• Middleware
• Client-server computing
• Peer-to-peer and ad hoc computing
• Service discovery and control
Mobile
Networking
• Mobile ad hoc networks
• Mobile IP
• Nomadic services
• Security
Wireless
Networks
• IEEE 802.11 and Bluetooth
• Mobility in wireless LANs
• Wireless fundamentals
3
Learning Objectives (1)
● Describe the characteristics and operation of
contemporary wireless network technologies such as
the IEEE 802.11 wireless local area network and
Bluetooth wireless personal area network
● Describe the operation of the TCP/IP protocol suite in
a mobile environment, including the operation of
Mobile IP and a mobile ad hoc routing protocol
■ Mobile IP
■ OLSR MANET routing protocol
● Describe security issues and current solutions for
wireless networks and mobile systems
■ IEEE 802.11, WPA, and IEEE 802.11i
Fundamentals: Summary
4
Learning Objectives (2)
● Use application program interfaces (APIs), such as
Intel’s Personal Internet Client Architecture (PCA),
Microsoft’s .NET Compact Framework (CF), or Sun’s
Java 2 Micro Edition (J2ME), to realize mobile
applications
■ Focus on .NET CF and UPnP
● Design, implement, and test a prototype mobile
application
● Design, implement, and test a wireless access
service
Fundamentals: Summary
5
Learning Objectives (3)
● Measure and characterize the performance a wireless
local area network, mobile routing protocol, and
mobile application
● Monitor the operation of mobile network protocols
and applications using standard tools
■ iPERF, Ethereal, traceroute, ping
Fundamentals: Summary
6
What We Didn’t Cover (1)
Wireless networks and mobile computing are both
huge fields – so there are lots of topics that we
didn’t cover or didn’t cover in sufficient depth
● Communications…
■ Physical level modulation and coding schemes
■ Spectrum allocation and utilization
● Networking…
■ Cellular systems
■ Lots of additional protocols
■ Lots of additional complexity
Fundamentals: Summary
7
What We Didn’t Cover (2)
● Software design issues…
■ New environments and languages
■ Power-aware
■ Integrated hardware/software design
■ Lots of additional complexity
● Hardware design issues…
■ Low power
■ Small form factor
■ Efficient reuse of resources
■ Integrated hardware/software design
Fundamentals: Summary
8
What We Didn’t Cover (3)
● Human computer interaction…
■ Design for small displays
■ Gesture and touch recognition
■ Video integration
■ Speech
● System issues…
■ Location detection
■ And lots more!
Fundamentals: Summary
9