forum discussions
- http://sourceforge.net/p/nsnam/bugs/81/
- http://getch.wordpress.com/2010/12/30/cognitive-radio-network-simulator-installation/
- https://sites.google.com/site/xahidbuffon/shared/DSA_CRCN
- http://www.scribd.com/doc/124618127/Cognitive-Radio-Cognitive-Network-Simulator
- http://cloudns2.wordpress.com/5-1-cognitive-radio-crcn-patch/
- http://servforu.blogspot.com/2012/08/cognitive-radio-cognitive-network-crcn.html
- http://softwaredefineradio.blogspot.com/2013/01/cognitive-radio-cognitive-network.html
- http://www.linuxquestions.org/questions/linux-software-2/meaning-of-traffic-and-it-file-generated-after-simulation-in-crcn-865883/
- https://sites.google.com/a/seecs.edu.pk/network-technologies-tcp-ip-suite/home/performance-analysis-of-multi-channel-multi-radio-cognitive-radio-network-s