group.of.nepali.translators team mailing list archive

[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1706991

Title:
  ubuntu/rsi driver downlink wifi throughput drops to 5-6 Mbps when BT
  keyboard is connected

Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Xenial:
  New

Bug description:
  SRU Justification
  =================

  [Impact]
  wifi throughput numbers are good when device is running in WLAN only mode.

  In STA+BT+BLE mode, we get expected wifi throughput numbers when BT
  device is not connected. However downlink throughput drops to 5-6 Mbps
  from 35+Mbps as soon as bluetooth keyboard is connected.

  [Fix]
  Enable UAPSD mode with some optimized parameters, so that wifi station can get Rx packets buffered by AP efficiently even if radio is shared with bluetooth

  [Test Case]
  Conducted throughput tests and confirmed throughput gets dropped by 60% to 65% as expected(not more than that) when bluetooth keyboard connected.

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