Link quality & tx-power

Sachin Ganu sachin at
Mon Mar 31 09:56:37 EST 2003


I think you are confusing Txpower with TxRate. If the rate is set to
"auto", then the tx rates are automatically adjusted as per link quality.
The txpower remains the same irrespective (unless changed)
Sachin Ganu
Graduate Research Assistant
WINLAB, Rutgers University
73 Brett Rd, Piscataway NJ 08854

On Mon, 31 Mar 2003 jar at wrote:

> Hello
> I am wondering who is controlling the tx-power of the prism2 card.
> The card firmware or the driver (hostap_cs). When the link quality
> shows e.g. 32/92 the iwconfig shows tx-power 7-9dBm. When the link
> quality shows e.g. 2/92 the iwconfig still shows 7-9dBm tx-power.
> Why the firmware doesn't increase the power to e.g. maximum 20dBm
> when the link quality is poor ? Is there any daemon program that
> controls the tx-power according to link quality ?
> Regars, Jar
> _______________________________________________
> HostAP mailing list
> HostAP at

More information about the HostAP mailing list