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[SavageFX <1300296@xxxxxxxxxxxxxxxxxx>]

I have added tag: kernel-fixed-upstream
I have removed tag: needs-upstream-testing (hope that's ok)

Installing 3.14 kernel fixed the issue.
Test results from one location in attachment. Non-quantitative tests in other locations (home, other university buildings) confirm these results. 

NOTE: speed, ping and time-to-connect still seem to be better in
Windows, but the improvements over 3.11 kernel are massive and no longer
disturb day-to-day operation so I considered it fixed.

PS: removing 3.14 kernel screwed over some symlinks so I could not boot
anymore. In my rescue attempts I made a dumb error overwriting system
files and consequently decided to reinstall linux. I am now running
Kubuntu 14.04 Beta 2 using 3.13 kernel. The issue is fixed here as well.

** Attachment added: "test results wifi connection"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1300296/+attachment/4063222/+files/test%20results%20wifi%20connection

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https://bugs.launchpad.net/bugs/1300296

Title:
  168c:002b [Lenovo B570e Notebook] Atheros AR9285 wireless working
  badly on Ubuntu 13.10

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  The Wifi range and stability is still many times better in Windows 7
  than it is in Kubuntu Linux (this is a dualboot system). In many
  places like public libraries, where the laptop can be quite far from
  the actual wifi receiver, I still have good signal and multi-MB/s
  download speeds in windows while in ubuntu I cannot see the network,
  cannot connect to the network or sometimes can connect but it drops
  every minute or so.

  Moving closer to the wifi receiver improves quality and sitting next
  to the wifi receiver I have an excellent and uninterrupted connection,
  so generally speaking, the driver works, but the problem is simply a
  much more limited range than I have in windows.

  This problem has existed ever since I bought the laptop (A lenovo
  b570e, running kubuntu 12.04 at that time, now kubuntu 13.10). The
  behavior is consistent across all wifi networks.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-18-generic 3.11.0-18.32
  ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
  Uname: Linux 3.11.0-18-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ronintdk   2262 F.... pulseaudio
   /dev/snd/pcmC0D0p:   ronintdk   2262 F...m pulseaudio
  Date: Mon Mar 31 17:40:19 2014
  HibernationDevice: RESUME=UUID=fc52dd28-5b9f-4d88-95f6-2bc0eada8e2f
  InstallationDate: Installed on 2012-04-13 (716 days ago)
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
  MachineType: LENOVO 476025G
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: ro root=/dev/sda3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-18-generic N/A
   linux-backports-modules-3.11.0-18-generic  N/A
   linux-firmware                             1.116.2
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: Upgraded to saucy on 2013-10-17 (164 days ago)
  dmi.bios.date: 10/27/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 44CN43WW
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Emerald Lake
  dmi.board.vendor: LENOVO
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnLENOVO:bvr44CN43WW:bd10/27/2011:svnLENOVO:pn476025G:pvrLenovoB570e:rvnLENOVO:rnEmeraldLake:rvrFAB1:cvnLENOVO:ct10:cvr0.1:
  dmi.product.name: 476025G
  dmi.product.version: Lenovo B570e
  dmi.sys.vendor: LENOVO

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