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Mobile Computing and Wireless Technologies

Explore the world of mobile computing and wireless technologies, including mobile commerce, mobile banking, mobile shopping, interbusiness applications, L-commerce, and Wi-Fi and WiMax technologies.

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Mobile Computing and Wireless Technologies

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  1. Chapter 6 Information Technology For Management 6th Edition Turban, Leidner, McLean, Wetherbe Lecture Slides by L. Beaubien, Providence College John Wiley & Sons, Inc. Mobile, Wireless and Pervasive Computing Chapter 6

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. RFID • Please look at IntroductionRFID.ppt Chapter 6

  11. Wireless sensor networks • Sensor (vibration, tempurture – ex. wildfire, etc) • Processor • Anthena (to nearest motes) Chapter 6

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