Acer ''Invilink_signal-up'' makes wireless disconnected

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I have Acer Aspire 3000 series 3004WLCI notebook and it has Invilink-
Signal_up feature as they alleges signal_up feature keep wireless
awake and increases signal level...That is a fool. I am 3 metres away
from my router and i frequently have disconnects (freezes) without
using WZC of Windows(Broadcom BCM4318 Wireless utility).
So-called, Acer's wireless signal-up technology increases wireless
performance. Lie!

The problem i'm having about freezing: While i'm surfing or
downloading the net smoothly, randomly the data transfer(receive and
sent, bi-directional) stops, no packets are received or sent anymore,
I use Wireless Zero Configuration of XP Home SP2.  But the connection
does NOT seem disconnected and no logs in event viewer about this.
on channel 11 with my US Robotics 9108 MaxG router. Also there are
some several wireless networks around my building. I tried channels
1,6,11 with same results. No problem with Cat5 wired connection.

NOTE: The only solution is to disable/enable wireless adapter from
''network connections'' or to use ''repair'' option, then the
connection establishes successfully. Also i'm using WPA-PSK with 22

Thanks for the comments and helps.

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