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How to set EDCA/DCF parameters in NS3?

Having throughput problems in OMNET++, we have to switch to the NS3 as network simulation platform. It  doesn’t have a builtin IDE like OMNET and simulation language is either C++ or python. I prefer C++. After a long time period of  searching, I’ve managed to set DCF and EDCA parameters (like contention window) for wireless …

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OMNET++ INET 802.11e Throughput Problem

It seems Omnet++ Inet still has problems with 802.11 mac layer  implementation.  The problem I face is, throughput decreases to half when the Max Contention Window  parameter is set to same value with Min Contention Window. I made the experiment with throughput example supplied in Inet. Simulation environment is set up as 1 AP and 1 …

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Fixing OMNET++ on Mac OS X 10.9 Mavericks

Upgrading to Mac OS X 10.9 Mavericks breaks OMNET++, some actions required to get it working correctly. Here is the steps that I followed; Install latest Xcode 5.0.1 from Mac App Store Install command line tools  xcode-select –install Install macports Mavericks build Install gcc version 4.7 via macports sudo port selfupdate sudo port install gcc47 …

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Book Review: Learning OMNeT++

Last week I read Learning OMNeT++ , the book is published by Packt Publishing which is about popular network simulation software. Book is 102 pages and it is easy to read and follow, it took a few days to go over and finish it. It is available in  pdf, epub and Kindle formats which is good. …

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Thoughts About Pebble Watch

I had my pebble watch a few weeks ago and actively using it. In general watch is really good. However it has some issues. Some pebble owners face oily looking screen but I was lucky to get working one. Battery life is 5 days in average, changing 4 to 7 days with usage. Most of …

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WCNC 2014

One of the most important network conferences WCNC 2014 will be held in Istanbul. Our plan is to attend conference with a paper which we have been working for a while if we finalize it. I hope I’d manage to meet important people  in wireless networks. No related posts.

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Macbook SSD Boost

Yesterday I replaced my Macbook’s HDD with Sandisk Extreme SSD. It feels like I renewed my mac. It is 3x faster than before. So, if you don’t have SSD which it asap, it will increase your productivity at least 3x.     No related posts.

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Spring Framework & Java EE Part 2

This is the second part of the my post on Spring & JEE first impressions. This part is a quick glance to development environments. Netbeans 7.2 is used for JEE and IntelliJ IDEA 12 is used for Spring Framework. IntelliJ IDEA is a general purpose IDE for Android, Java, J2ME, JEE, Spring ..etc. Netbeans provides …

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Spring Framework & Java EE Part 1

I’ve worked with Java Enterprise Edition 5 in a real enterprise environment but never had a chance for Java EE 6. Java EE is getting better in every release Java EE 7 is on the way and supports from companies increasing every year. A few months a go I started to use Spring Framework as …