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Subject: Re: ath10k 5Ghz RSSI low
To:     Sam Samy <to.swami1@gmail.com>, linux-wireless@vger.kernel.org
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 <CAPGJ1o9qDYPQF882cw65uysjCmUYi6kJCmL2EUa0AXbwHj59Mg@mail.gmail.com>
From:   Ben Greear <greearb@candelatech.com>
Organization: Candela Technologies
Message-ID: <a236cf47-556d-c515-0093-82dce6e8ad8e@candelatech.com>
Date:   Mon, 13 May 2019 10:00:51 -0700
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On 5/13/19 9:56 AM, Sam Samy wrote:
>   Hi,
>   I installed master branch openwrt onto Asus MAP-AC2200 AP. It has tri
> band. Its based on IPQ4019 DK04 QCA reference platform. 2 radios
> (2Ghz/5Ghz) on AHB bus and one 5GHZ on PCIe bus. Its generally working
> fine except one problem in 5Ghz. On both the 5Ghz radios the RSSI is
> pretty low on any channel I put it in.  In one feet range I see -60dB
> RSSI, where as the stock firmware that came with the AP gives an RSSI
> of -36dB at one foot distance.The downstream transmit rates are MCS8/9
> for most part. The 2Ghz is working fine. Its using the cal data from
> the flash that came with the AP.
> 
>   Can you please suggest anyway to debug this or improve the RSSI?
> 
>   Thanks you!
> 

Hello, what firmware are you using (ath10k-ct, or QCA?)  If using -ct firmware,
please try QCA firmware and let me know if that fixes the problem.

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com