Help to improve my broadband wireless connection

[Hajime Takahashi]

i have a hard time for my broad band wireless connection is extremely slow.
here is my speedtest result
« SpeedGuide.net Speed Test Results »
146 kbps down (~0.15 Mbps, 18 KB/s)↓
110 kbps up (~0.11 Mbps, 13 KB/s)↑
250 KB downloaded in 14.05 seconds
100 KB uploaded in 7.426 seconds
Tested on: 2014.03.17 07:04 EDT
Tested from: speedguide.net
Test Link: http://www.speedguide.net/speedtest/res ... st=4159980
Location: Manila, PH

my advertising speed is up to 2mbps
Windows 8 OS

here is my TCP Analyzer result
« SpeedGuide.net TCP Analyzer Results »
Tested on: 2014.03.17 07:02
IP address: 180.194.xxx.xxx
Client OS/browser: Windows 8 (Firefox 28.0)

TCP options string: 020405140402080a166a805f0000000001030307
MSS: 1300
MTU: 1340
TCP Window: 5888 (NOT multiple of MSS)
RWIN Scaling: 7 bits (2^7=128)
Unscaled RWIN : 46
Recommended RWINs: 65000, 130000, 260000, 520000, 1040000
BDP limit (200ms): 236kbps (29KBytes/s)
BDP limit (500ms): 94kbps (12KBytes/s)
MTU Discovery: ON
TTL: 46
Timestamps: ON
SACKs: ON
IP ToS: 00000000 (0)

please help. thanks in advance