Randy Kendzior, Dell, Inc. - PowerPoint PPT Presentation

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Randy Kendzior, Dell, Inc.

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Zigbee. 802.15.4' 3 Mbps. 250 Kbps. 1 Mbps. 100 Mbps NG UWB. 480 Mbps ... Zigbee. Bluetooth 2 (MR) 802.11n. 802.16e. MAN. 802.16a. Dell Confidential. 8 of 23 ... – PowerPoint PPT presentation

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Title: Randy Kendzior, Dell, Inc.


1
Wireless Technology DiscussionMassachusetts
Digital Government Summit
  • Randy Kendzior, Dell, Inc.
  • September 24, 2004

2
Wireless Networks A Simple Overview
WLAN
WPAN
WWAN
Personal space
Home, Campus, Hotspots
Metros, Countries, Global
3
Current WLAN Technology Comparisons
  • 802.11b Broadly deployed, lowest cost solution
    moving to cell phones and handhelds
  • 802.11b/g - New mainstream WLAN solution, best
    for majority of mobile workers
  • 802.11a - Provides added capacity in crowded
    enterprise environments
  • 802.11a/b/g Future-proof for maximum capacity
    and compatibility

802.11b 802.11a 802.11b/g 802.11a/b/g
Maximum Data Rate 11 Mbps 54 Mbps 54 Mbps 54 Mbps
Frequency Band 2.4 GHz 5 GHz 2.4 GHz 5/2.4 GHz
Channels 3 12 3 12/3
Typical Range Up to 300 Up to 180 Up to 300 Up to 180/300
802.11b Compatible Yes No Yes Yes
4
WLAN Technology Roadmap
WLAN standards will emphasize throughput, QoS,
security management
  • Migration to dual-band
  • Faster data rates with .11n

802.11g
Wi-Fi 802.11b
802.11n
Radio
802.11a
  • VoIP streaming support

WME (eDCF)
802.11e
QoS
  • Strong AES encryption
  • Port-based authentication

WEP
WPA (TKIP)
802.11i (AES)
Security
802.1x
  • Cisco interoperability
  • Measurements regulatory

802.11k
Other
802.11d
802.11h
2006
2005
2004
Past
5
WLAN Market Overview
WLAN Market Overview
  • Wireless technologies, characterized according to
    range and mobility, will evolve to higher data
    rates
  • WLAN market growth will be driven by improved
    costs, capabilities usages
  • WLAN standards will address throughput, QoS,
    security and management
  • Security remains a key perceived barrier to
    enterprise WLAN adoption
  • WLAN security solutions exist today and will be
    enhanced in the future

6
Wireless Technology Roadmap
Wireless technologies, categorized by mobility
and range, will continue to evolve to higher data
rates...
Increasing Range and Mobility ?
7
Wireless Application Landscape
Wireless technologies, categorized by mobility
and range, will continue to evolve to higher data
rates...
Text, Graphics, Internet, Compressed Audio
Multi-channel Video HDTV
Data, Streaming Video, Internet, Hi-Fi Audio
MAN
802.16e
802.16a
Long Range
WAN
GSM/CDMA
MMDS/LMDS
GPRS/3G
802.11b/g
LAN
802.11n
802.11g/a
Short Range
Bluetooth 2 (MR)
UWB
Zigbee
PAN
Bluetooth 1.1
Low Data Rate
High Data Rate
Very high Data Rate
8
Wireless Everywhere and Anywhere
Wireless will be pervasive, enabling seamless
network and device connectivity
My_Network My_Data
GPS
WWAN
WLAN
BWA
RFID
WPAN
  • ?Airport
  • Customer
  • Office
  • Home

9
UWB Usage Scenarios Digital Home
UWB usage models evolving for Cable replacement
in the Digital Home
UWB
UWB
UWB
LAN/WLAN Network
UWB
UWB
Broadband
10
Acronym Anxiety
802.11a
802.11n
WEP
TKIP
WiMAX
Zigbee
Bluetooth
EAP
RADIUS
CCX
802.11g
802.11b
802.11h
802.11i
UWB
AES
CDMA
PEAP
QoS
Wi-Fi
802.11e
802.16
GPRS
UWB
11
Thank You
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