Difference between revisions of "The Increase in the speed of internet connection"

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==Enablers:==
*Increasing attention of research on the 802.11 standard
*Increased support by major industry leaders - e.g. Intel, Apple
 
==Inhibitors:==
*Radio-frequency transmission difficulties to consider:
**Multi-path fading
**Signal to noise ratios
**Interference - electromagnetic and physical
**Usable transmission distance
*Regulatory limits on radio channels available
*Regulatory limits on power levels for transmission
*Error detection and correction mechanisms reduce usable payload size
*Security fears
 
==Paradigms:==
Emerging paradigms associated with the emergence of IEEE 802.11x
*Wi-Fi is the now standard name assosciated with 802.11x, and official WiFi Certification is now common
*Hotspots (areas of WiFi coverage) have appeared throughout the world, often as a result of wireless communities
*Wireless communities usually implement wide-area wireless networks to reduce cost/complexity in the 'last-mile'
*Wardriving is the activity of searching for Hotspots i.e. travelling and picking up transmissions
*Elektrosmog is being significantly contributed to by WiFi as it increases in popularity and as new standards employ multiple channels to increase speed
 
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==Timing:==
*Original IEEE 802.11 standard established in 1997 - 1Mbit/s and 2Mbit/s
*802.11b amendment in 1999 - 11Mbit/s
*802.11a also amended in 1999 but only really available in 2001, after 802.11b - 54Mbit/s at 5GHz
*802.11g released in 2003 - 54Mbit/s at 2.4GHz
*802.11n expected in March 2009 - will probably deliver 248 Mbit/s
*802.11y 2008 54Mbit/s at 3.7Ghz
 
==Web Resources:==
*http://www.ieee802.org/11
*http://www.intel.com/personal/do_more/wireless/wifi.htm
*http://en.wikipedia.org/wiki/802.11
 
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To return to the home page of the Future of Communication click[[The_future_of_communication_in_2015]]<br><br><br>

Revision as of 09:12, 15 May 2010

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