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Wireless World

Wireless World. Where the cord is cut, but we are still connected. Wireless World. Freedom to move 3 types of Wireless Technology WPAN - Bluetooth WLAN - Wireless Ethernet WWAN - 3G Technologies. Comparison Table. Bluetooth. Small, portable, uses few resources

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Wireless World

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  1. Wireless World Where the cord is cut, but we are still connected.

  2. Wireless World • Freedom to move • 3 types of Wireless Technology • WPAN - Bluetooth • WLAN - Wireless Ethernet • WWAN - 3G Technologies

  3. Comparison Table

  4. Bluetooth • Small, portable, uses few resources • Supports multiple connections • Standardized

  5. Bluetooth • Bandwidth • Asynchronous – 723.2 kbps in either direction • Synchronous – 433.9 kbps • Range • 10 cm – 10 m • Can be extended to 100 m • Supports voice transmission

  6. Bluetooth Companies • Manufacturers • Atmel Corp. • Lucent • Cambridge Silicon Radio • Users – Bluetooth Special Interest Group • Ericsson • Intel • Toshiba • Nokia • IBM

  7. Bluetooth Applications • Telephone (Cordless, Wireless, Other) • Headsets • Computers and Laptops • Computer Peripherals (Keyboard, Mouse, PCMCIA cards, USB Dongles, other) • LAN Peripherals • PDAs • Digital Cameras

  8. Bluetooth Future Uses • Wireless Verifications • Hotel check-ins and door locks • Airport passage • E-payments • Personal Networks • Connect phone, computer, PDA, and printer • Other digital devices

  9. Wireless Ethernet • Standardized – IEEE 802.11b • Mimics Regular Network • Star pattern – instead of hub, a WAP • Direct connection – ad hoc mode • 11 Mbps

  10. Wireless Ethernet Cont. • Mostly indoors • 100 ft. – 500 ft. • Campus WLANs • Outdoors • Wireless LAN-to-LAN Bridges • 25 miles

  11. Wireless Ethernet Security • Broadcast Radio waves • Security Concerns: • Squelching Internet Access • Data Sniffing

  12. Wireless Security Solutions • Wired Equivalent Privacy (WEP) algorithms • Keys are not transmitted. • Encrypted Data Packets

  13. Lucent Cisco Microsoft Linksys Netgear Compaq D-Link Sony 3Com SMC Intel Xircom Orinoco Alvarion Proxim Apple ViewSonic Symbol Wireless Ethernet - Companies

  14. Wireless Ethernet Future • IEEE 802.11a • 22 Mbps • Other uses • Wireless Tablet Monitors • Printers

  15. 3G Technologies • Universal Mobile Telecommunications System (UMTS) • GSM (Global System for Mobile Communications) Standardized • Third Generation

  16. 3G Technologies • Bandwidth • 2 Mbps • Range • Unlimited through use of satellites • 4 Frequencies – Quad-band • 900MHz, 1800MHz, 1900MHz, 2200MHz

  17. 3G Technologies • Multimedia Applications • Always On • E-mail, Personal Organizer • Information • Web surfing, Corporate Intranet • Purchasing • Online shopping and banking

  18. Verizon CDMA Cingular Wireless GSM, TDMA, 3G EDGE AT&T Wireless TDMA Nextel iDEN Sprint PCS CDMA VoiceStream GSM, GPRS Kyocera Wireless Released 2 phones using CDMA2000 1x 3G Companies

  19. 3G Technologies • Lucent plans to roll out 3G services by end of 2002 • Frequency licensing issues to be resolved

  20. Conclusion • 2004 – 1 billion wireless devices • Out-of-office productivity • Mobile office • Next Defining Technology

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