From: Florian Hercher <mail@florian-hercher.de>
To: linux-wireless@vger.kernel.org
Subject: ath9k: Question regarding adaptivity and ETSI compliance
Date: Thu, 16 Nov 2017 20:44:16 +0100 [thread overview]
Message-ID: <3024089.ZRiPOxTNka@guenther> (raw)
Hi all,
ETSI EN-300-328 in version 2.1.1 (2016-11) requires an "adaptive" behaviour of
Wi-Fi Access Points, see clause 4.3.2.6.1 and annex B.7. As far as I
understand this adaptive behavior requires the Wi-Fi card to stop transmitting
whenever an (non Wi-Fi) interference signal with a power level of more than
-70dBm/Mhz is present.
Does ath9k comply with this requirement? Or more specifically: Does ath9k
running on a AR9331 (MAC version: AR9330, MAC revision: 1) comply?
Right now I'm trying to understand the "clear channel assessment" (CCA)
related settings in the driver and I would like to ask for some clarification:
The CCA related definitions in ar9003_phy.h e.g.
"AR_PHY_CCA_MAX_GOOD_VAL_9300_2GHZ" - are they part of the "higher" CCA
function, where still decodable Wi-FI signals are handled?
Where is the energy detection threshold defined, is it "thres62" in "struct
ar9300_eeprom"?
I'm quite confused about this and any help is highly appreciated!
best regards
Florian
---
http://www.etsi.org/deliver/etsi_en/300300_300399/300328/02.01.01_60/
en_300328v020101p.pdf
reply other threads:[~2017-11-16 19:44 UTC|newest]
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