Home     |     Hot Topics     |     Current Topics     |     News     |     Press Releases

How to Search   Tips

 

 Solutions Catalog
 Products & Services
 Vendors
 The Market
 Application Mall
 Business Cases
 Solution Components
 Networks
 Application Development
 System Design
 Resources & Links
 Education
 Professional Services
 Conferences & Events
 Reports & Presentations
 Templates & Aids
 Glossary
 Community Forum
 News
 Topics
 Handheld

 
Hot Topics In The Mobile Computing Industry

OFDM - Faster 802.11a Wireless LAN Technology 

  • OFDM (Orthogonal Frequency Division Multiplexing) defines the technology that divides a frequency band into multiple segments and then modulates each individual frequency segment with a different code, thus able to get more capacity out of the same spectrum.

  • These OFDM chips are being used to create wireless LANs that run at higher speed as compared to 802.11b - 54 to 72 Mbps instead of 11 or 22 Mbps.

  • These faster IEEE 802.11a wireless LANs will operate in 5 to 6 GHz unlicensed band as compared to 2 to 2.4 GHz ISM band for existing wireless LANS where they compete with  microwave ovens, 2.4-GHz cordless phones, and other technologies such as Bluetooth and HomeRF.  

  • Some technology planners are conceptualizing metro area wireless networks and 4G wireless networks based on this technology.

  • OFDM Chips started production in 3Qtr 2001 - Atheros was among the first vendors to do this. 

  • Lower power consumption than 802.11 2.4 GHz chips

More OFDM Resources


Related Resources:
>  Hot Topics Index
>  Current Topics 
>  Technological Advances
>  Glossary 

 

 
Home     |     Hot Topics     |     Current Topics     |     News     |     Press Releases

Copyright 1999 - 2001.  All Rights Reserved. 
Reproduction of any material from the MobileInfo.com website or its newsletters without written permission is strictly prohibited.