Hi Guys,
I'm in the middle of starting a project in wireless network study for a
masters degree. I'm hoping that I could get some assistance from all you
experts out there. I plan to do a research to check the wireless
throughput, delay and packet lost if we transfer the UDP packet from 1
host to server. This would basically be a client-server kind of
connectivity. To visualize the connectivity, 1 wireless host (laptop)
will associate to an AP. The AP will use an ethernet connection to a
switch and the switch in turn to a server (normal PC). Server and host
will use same OS, WinXP Pro SP2.
With this setup.. What I'm trying to research is the significant impact
if we reduce/increase the signal strength on the wireless client
(laptop) i.e the impact if we increase the signal strength from 0%, 10%,
20%, 30%, 40%, 50%,60%.. until 100% for the built in wireless adapter in
the specific host. While the AP will continuously transmit the 802.11g
signal (only 802.11g will be used in this study) in normal condition
(100% transmit and received mode). I also plan to change the 1st AP with
another AP (of different brand and chipset).
What I plan to achieve in this project is to find whether throughput,
Delay and packet lost would provide significant impact if we reduce
the signal strength of a specific host. Furthermore what can I conclude
if we are using different brand and chipset for specific AP. Does
different chipsets contribute to the different throughput, delay and
packet lost performance or not?..
That is a bit about my research. I need some opinion and suggestion
To complete this research. Please feel free to ask for more
information. Some questions:
1. Do any of the latest laptop with built in wireless adapter are
capable to do the changes to the signal strength i.e to set the signal
to 0%,10%,20%,30%... until 100%? I believe we can set this on the AP but
how about the wireless adapter in the laptop? Do I need a special
tools/applications? What kind of software tools are capable to tweak the
wireless adapter to do the mentioned function?
2.What are the best tools to check/measure the throughput, delay and
packet lost? What I have now is omnipeek, wireshark and netstumbler. Do
you know any software that can perform better that above software (and
free)?
Appreciate if someone that read this could help and guide me to
complete this research by providing the necessary steps that should be
taken for the method and analyze the findings.. FYI, Im a student and
due to budget constraint I try to avoid using additional hardware or
software that need to be purchased. Thanks
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