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MIMO technology increases signal strength without interference

Retired Expert - Craig Mathias EXPERT RESPONSE FROM: Retired Expert - Craig Mathias

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QUESTION POSED ON: 09 November 2006
Other than changing the router channel and purchasing a repeater or hi-grade antenna, what are some ways to increase signal strength on a wireless router? I know sometimes proximity and obstructions play a part as well.

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EXPERT RESPONSE

Some products allow the transmit power to be adjusted, but this isn't always the best solution, as higher power only helps on one end of the connection, and it can also cause interference to nearby systems (even unrelated systems like cordless phones). I generally recommend the use of MIMO-based (multiple input, multiple output) products when range is an issue. MIMO is a much more reliable technique than the ones used in typical WLANs, and current implementations are backward-compatible with 802.11g. Try using a MIMO-based router with your current adapters -- even having MIMO on just one end can really help.

For more information on managing your customer's WLAN, visit our Wireless LAN Deployment Project Guide.


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