Subject: RE: [manet] RTS/CTS

From: "Haining Zhang" <[email-masked]>
Date: Wed, 5 Feb 2003 14:48:45 -0500

That's why poeple have to do a site survey on RF use before deployment. Otherwise, it would be a mess. PCF is a better choice than DCF in a high interference environment. But PCF is optional and not supported by all devices.

Cheers

Haining

-----Original Message-----
From: Ankur Jain [mailto:[email-masked]]
Sent: Wednesday, February 05, 2003 2:10 PM
To: Umut Akyol
Cc: [email-masked]
Subject: Re: [manet] RTS/CTS

Hi Umut,

When two APs are in the interference range of each other (which shouldn't be
in first place..), if one AP sends a CTS then the other AP has to stop the
transmission. Otherwise, collisions can't be avoided which is the function
of 'CA' in CSMA/CA.

Regards,
Ankur

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----- Original Message -----
From: Umut Akyol <[email-masked]>
To: <[email-masked]>
Sent: Wednesday, February 05, 2003 10:48 PM
Subject: [manet] RTS/CTS

> Hi this question is in fact about the infrastructure mode of 802.11b but I
> think it's relevant...
> Suppose two BSS operating in the same channel and close enough to cause
> interference and hear themselves. A station in one of these BSSs start an
> RTS/CTS transmission and the AP replies with a CTS. What happens when the
> other AP hears this CTS? Does it stop transmission and wait or what?
>
> Umut
>
> _______________________________________________
> manet mailing list
> [email-masked]
> https://www1.ietf.org/mailman/listinfo/manet

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