Wireless network drop outs on XPS17 (F16, Centrino Advanced N)

[linux guy <linuxguy123@xxxxxxxxx>]

I'm running F16-KDE-64 on a Dell XPS17 laptop.

It is continually dropping wireless connections.  It works and then it
doesn't work.  Very annoying.

I am managing wireless with Network manager.

Any ideas ?

Thanks

$ lspci | grep Network
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6230 (rev 34

$ uname -a
Linux XPS.localdomain 3.2.2-1.fc16.x86_64 #1 SMP Thu Jan 26 03:21:58
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

$ yum list installed \*iw\*
Loaded plugins: langpacks, presto, refresh-packagekit
Installed Packages
iw.x86_64                                           3.2-1.fc16
                         @updates
iwl100-firmware.noarch                              39.31.5.1-2.fc15
                         @koji-override-0/$releasever
iwl1000-firmware.noarch                             1:39.31.5.1-1.fc16
                         @anaconda-0
iwl3945-firmware.noarch                             15.32.2.9-5.fc15
                         @koji-override-0/$releasever
iwl4965-firmware.noarch                             228.61.2.24-3.fc15
                         @koji-override-0/$releasever
iwl5000-firmware.noarch                             8.83.5.1_1-1.fc16
                         @anaconda-0
iwl5150-firmware.noarch                             8.24.2.2-2.fc15
                         @koji-override-0/$releasever
iwl6000-firmware.noarch                             9.221.4.1-2.fc15
                         @koji-override-0/$releasever
iwl6000g2a-firmware.noarch                          17.168.5.3-1.fc16
                         @fedora
iwl6000g2b-firmware.noarch                          17.168.5.2-1.fc16
                         @fedora
iwl6050-firmware.noarch                             41.28.5.1-3.fc15
                         @koji-override-0/$releasever

$ yum list installed kmod\*
Loaded plugins: langpacks, presto, refresh-packagekit
Installed Packages
kmod-nvidia.x86_64
1:290.10-1.fc16.11                       @rpmfusion-nonfree-updates
kmod-nvidia-3.1.9-1.fc16.x86_64.x86_64
1:290.10-1.fc16.9                        @rpmfusion-nonfree-updates
kmod-nvidia-3.2.1-3.fc16.x86_64.x86_64
1:290.10-1.fc16.10                       @rpmfusion-nonfree-updates
kmod-nvidia-3.2.2-1.fc16.x86_64.x86_64
1:290.10-1.fc16.11                       @rpmfusion-nonfree-updates
kmod-wl.x86_64
5.100.82.112-2.fc16.3                    @rpmfusion-nonfree-updates
kmod-wl-3.2.1-3.fc16.x86_64.x86_64
5.100.82.112-2.fc16.2                    @rpmfusion-nonfree-updates
kmod-wl-3.2.2-1.fc16.x86_64.x86_64
5.100.82.112-2.fc16.3                    @rpmfusion-nonfree-updates
kmodtool.noarch                                          1-18.fc11
                           @rpmfusion-free
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