My modem is kept few meters away from where I regularly use my laptop. When I do work in Ubuntu the WiFi gets disconnected frequently; I've to spend a lot of time reconnecting. But using the same machine at the same spot in Windows 10 this problem doesn't occur. So I think that Ubuntu isn't using my hardware well.
Requested lspci -knn | grep Net -A3 output:
03:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01) Subsystem: AzureWave QCA9565 / AR9565 Wireless Network Adapter [1a3b:213a] Kernel driver in use: ath9k Kernel modules: ath9k
lspci -knn | grep Net -A3
terminal command. – Pilot6 Mar 31 '17 at 14:38