Supported IEEE802.11 stds by a BSS
blanquicet at gmail.com
Thu Aug 31 06:04:17 PDT 2017
On Thu, Jul 27, 2017 at 8:07 AM, Jose Blanquicet <blanquicet at gmail.com> wrote:
> Good morning,
> We are trying to understand which IEEE802.11 stds (a, b, g, n-only,
> b/g/n-mixed, ac, n/ac ..) are supported by a BSS by parsing the BSS
> properties reported by wpa_supplicant.
> This is the method we are using based on BSS properties:
> B is supported -> If property "Rates" includes: 1, 2, 5.5 and 11 Mbit/sec.
> A is supported -> If maximum rate from "Rates" is greater than
> 11Mbit/sec and "Frequency" is 5GHz.
> G is supported -> If maximum rate from "Rates" is greater than
> 11Mbit/sec and "Frequency" is 2.4GHz.
> N is supported -> If HT Capabilities IE is present in "IEs" property.
> AC is supported -> If VHT Capabilities IE is present in "IEs" property.
> Does it make sense?
> If so, the next step is that we want to know when it is n-only or
> b/g/n-mixed or a/n-mixed mode. Is it possible to conclude that by
> checking the HT Protection field? Or any other field present in HT
> Capabilities or HT Information IE?
> In addition, is it possible also to do something similar for AC? I
> mean, how could we know if that BSS supports only-ac or n/ac or
Any comment about this?
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