Transcript Management Information Systems

Chapter 6
Mobile, Wireless and
Pervasive Computing
Information Technology For Management 6th Edition
Turban, Leidner, McLean, Wetherbe
Lecture Slides by L. Beaubien, Providence College
John Wiley & Sons, Inc.
Chapter 6
1
Mobile Computing




Wired networks- limitations for people on the move
Synchronization
Laptops (or PDAs) with cell phones
Wireless mobile computing enable a real time
communication between mobile device and internet (3G,
Wi-Fi),
 Mobile commerce is any e-commerce conducted in a
wireless environment.
 Drivers of m commerce
 Cell phones with internet access
 Declining prices
 Bandwidth
 B2B- SMS is at the center of B2B
Chapter 6
2
 Mobile banking using SMS (money transfer, balance inquery,
paying bills, sale/purchase stocks)
 Wireless electronic payment
 Micro payement (pay for taxi, vending machine, public transportation)
 %5 in 2006
 Billing can be made to customer’s bank account, credit card, or phone
 Mobile wallet stores credit card info
Chapter 6
3
Mobile shoping
 Mobile.yahoo.com, amazon.com, ebay, paypal
 Targeted advertising using GPS (shopping malls)
 A mobile portal is a customer channel optimized for
mobility (Google, yahoo, msn..). They provide services
such as news, sports, email, entertainmet, travel info…
 Voice portal is a website with an audio interface. You can
request informatiom about weather, trafic…
Chapter 6
4
Interbusiness applications
 The basic idea is to provide employees
collaboration tools
 Supporting traveling executives
 Using SMS instead of email
 Sales force automation
 Job dispatch (assigning jobs to mobile
employees (ex. truck drivers, maintenance
workers)
Chapter 6
5
L commerce





Position determining equipment
Mobile positioning Center
GPS uses satellites to determine users position
GIS- relates latitute and longtitute to a map
Some services
 Find nearest service
 Buddy finder
 Emergency assistance
 Targeted advertisement
 Integrating sensors, GPS, and wireless communication
(onstar, cars with IP)
 Autonomous Land Vehicle
Chapter 6
6
 3 GSM enables the delivery of multimedia services such
as music, tv, and video
 Wi-Fi is used to connect laptops, PDAs and cell phones to
internet
 Available in cafes, hotels, hospitals, airports
 Hot spots
 First considered as a threat to cellular services
 Wi-Fi mesh Network (base stations exchange signals)
 Google talk relies on Wi-Fi instead of cell phone networks (VOIP)
Chapter 6
7
Problems with Wi-Fi
 Roaming – users cannot roam from hotspot to hotspot if
the hotspots use different Wi-Fi network services
 Security – because Wi-Fi uses radio waves, it is difficult
to protect
 Cost – commercial Wi-Fi services are low cost but not
free and each service has its own fees and separate
accounts for users to logon
Chapter 6
8
WiMax
 Worldwide Interoperability for Microwave Access, popularly
known as WiMax
 An alternative to DSL and Cable
 Does not require a clear line of sight
 Wireless access range of up to 31 miles;
 Data transfer rate of 75 Mbps;
 Secure system that offers voice (VOIP) and video.
Chapter 6
9
RFID
Please look at IntroductionRFID.ppt
Chapter 6
10
Wireless sensor networks
Sensor (vibration, tempurture – ex. wildfire, etc)
Processor
Anthena (to nearest motes)
Chapter 6
11