My wireless connection in Ubuntu is very slow, while the connection is perfect in Windows 7. It also seems to switch between a good and a poor signal, as my browser sometimes loads sites instantly and sometimes takes ages. Also I'm currently trying to install java via the terminal and it's taking forever, with download speeds varying from 1B/s to 200kb/s. Again: I don't have any of these problems on Windows. I'm new with Ubuntu but I've tried to gather some information for you which might be helpful.
Here is some info:
I'm using an Acer Aspire 5552G Laptop.
$ iwlist scan:
sudo lshw -c network
wlan0 Scan completed :
Cell 01 - Address: 00:02:6F:C0:96:B4
Frequency:2.462 GHz (Channel 11)
Quality=70/70 Signal level=-37 dBm
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Extra: Last beacon: 52176ms ago
description: Wireless interface
product: AR9287 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:08:00.0
logical name: wlan0
width: 64 bits
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=3.2.0-31-generic firmware=N/A ip=192.168.178.29 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:f1000000-f100ffff
wlan0 IEEE 802.11bgn ESSID:"EnGeniusC096B4"
Mode:Managed Frequency:2.462 GHz Access Point: 00:02:6F:C0:96:B4
Bit Rate=162 Mb/s Tx-Power=13 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Link Quality=70/70 Signal level=-39 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:10992 Invalid misc:124 Missed beacon:0