On Wednesday, April 14, 2004 at 1:10:40 AM UTC+5:30, Madani wrote:

Hi
I'm writing you because I have actually the same problem you had 2
years ago (Matlab simulation for CSMA).
please, have you a solution for this problem? can you give me a few indications?
the aim of my study is to simulate CSMA/CA mechanism for wifi.
Thank you
On 30 Sep 02 03:23:07 -0400 (EDT), Lebogang Kegakilwe wrote:

Hi everyone

My problem is I have to model Carrier Sense Multiple Access (CSMA) in >Matlab. How CSMA works, we have a number of stations using one
channel(the channel can be RF, fiber optics, coaxial etc), for the
station to transmit, it has to sense the channels first. When the
channel is free, the station can then transmit. When one station is >transmitting all other stations that has data checks the channel at
random time. Now the problem is this has to happen at the same time,
that is when one station is transmitting the other stations are
checking the channel and we have to take into consideration the
propagation time(message length times baud rate), and the

transmission

time.

Hope that we can overcome this problem

Please post csma/ca ieee 802.11 scenario generation with N number of nodes, so that i can work on the contention window optimizations..Kindlyhelp

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