Doc.: IEEE 802.11-yy/xxxxr0 Submission March 2005 Kobayashi, Trachewsky, Dalton, Broadcom...

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doc.: IEEE yy/xxxxr0 Submission March 2005 Kobayashi, Trachewsky, Dalton, Broadcom Corp.Slide 3 Overview of Methodology Utilize setup that severely reduces any interference from outside sources –Screen room –Use a directional antenna and RF absorbent material to reduce multipath effects Take a channel measurement of the Open Air with no device present but place antenna in same position as where receive antenna would be in free space Utilize this measured free space channel loss to determine amount of received power as seen by the DUT –Measure transmitted power out to cabled portion add additional free space loss to determine rx channel power level Place DUT in place such that rx antenna is exactly in the place that was expected by step above