File:Wifi hidden station problem.svg

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From English Wikipedia @ Freddythechick

Original file ‎(SVG file, nominally 667 × 596 pixels, file size: 17 KB)

Summary

Description
English: Depiction of the hidden station problem for media access control in IEEE 802.11. Station C is sending data to station B. Station A wants to do the same and listens for other frames being sent. Since it is out of the range of station C, it does not notice its frames and thinks the media is free. The result is a frame collision at station B.
Română: Descrierea problemei staţiei ascunse în controlul accesului la mediu în IEEE 802.11. Staţia C transmite date staţiei B. Staţia A vrea şi ea să transmită lui B şi ascultă mediul în căutarea de alte cadre. Fiind în afara ariei de acoperire a lui C, nu detectează cadrele trimise de acesta şi crede că mediul este liber. Rezultă coliziune de cadre la staţia B
Date
Source Own work
Author Andrei Stroe

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inception

6 March 2009

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Date/TimeThumbnailDimensionsUserComment
current15:40, 22 October 2009Thumbnail for version as of 15:40, 22 October 2009667 × 596 (17 KB)wikimediacommons>KelleyCookThat presumption wasn't correct as in the revision the circles weren't centered. This is more clear. Both A and C are in range of B, but not each other. Coloring the circles should help.

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