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Improve Performance with G-only Configuration |
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Written by Jim Geier
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Monday, 02 April 2007 |
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When recently running tests with an 802.11g wireless LAN router, I noticed the usual degradation in performance when just one 802.11b station associates with the access point. Due to protection mechanisms when a mixed group of 802.11b-only and 802.11g stations exist, the throughput for all users suffers. If you don't expect to have any 802.11b users, then switch your access point to 802.11g-only. This keeps 802.11b-only users from next door to your company or home from inadvertantly associating with your access point and lowering the performance of your wireless LAN. Some access points also allow you to switch off protection mechanisms, which you could try doing when both 802.11b-only and 802.11g stations are present. The problem, however, is that may result in a much larger number of retransmissions because the 802.11b-only and 802.11g stations can't hear each other.
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