F16-x64 - Wifi connection too slow - AR928X - ath9k

[Pablo Salamone]

Folks,

I have a fresh intallation of Fedora 16 x64 on my Toshiba A305-S6864 Laptop.
I have a problem with my wifi conectivity, it is really, really slow,
comparing with the speed using Fedora 10 or Windows 7 on the same machine.
I tryed to install compat-wireless-next driver, but my kernel version is
not supported yet.
According some posts I've found, hardware encryption must be disabled, and
it is disable.
Any suggestions ?

Thanks in advance,

[root at arwen-fedora pablo]# uname -a
Linux arwen-fedora 3.1.6-1.fc16.x86_64 #1 SMP Wed Dec 21 22:41:17 UTC 2011
x86_64 x86_64 x86_64 GNU/Linux

[root at arwen-fedora pablo]# lspci | grep -i atheros
03:00.0 Network controller: Atheros Communications Inc. AR928X Wireless
Network Adapter (PCI-Express) (rev 01)

[root at arwen-fedora pablo]# modinfo ath9k
filename:
/lib/modules/3.1.6-1.fc16.x86_64/backports/drivers/net/wireless/ath/ath9k/ath9k.ko
license:        Dual BSD/GPL
description:    Support for Atheros 802.11n wireless LAN cards.
author:         Atheros Communications
srcversion:     EC9DA667EF04146FEEC6ED3
alias:          pci:v0000168Cd00000034sv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000033sv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000032sv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000030sv*sd*bc*sc*i*
alias:          pci:v0000168Cd0000002Esv*sd*bc*sc*i*
alias:          pci:v0000168Cd0000002Dsv*sd*bc*sc*i*
alias:          pci:v0000168Cd0000002Csv*sd*bc*sc*i*
alias:          pci:v0000168Cd0000002Bsv*sd*bc*sc*i*
alias:          pci:v0000168Cd0000002Asv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000029sv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000027sv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000024sv*sd*bc*sc*i*
alias:          pci:v0000168Cd00000023sv*sd*bc*sc*i*
depends:        ath9k_hw,ath9k_common,mac80211,ath,cfg80211
vermagic:       3.1.6-1.fc16.x86_64 SMP mod_unload
parm:           debug:Debugging mask (uint)
parm:           nohwcrypt:Disable hardware encryption (int)
parm:           blink:Enable LED blink on activity (int)
parm:           btcoex_enable:Enable wifi-BT coexistence (int)
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