文章分类 -  NS2

摘要：NS2.27-> Scheduler: Event UID not valid Problem:Sometimes, when we run simple TCL scripts involving the 802.11 wireless node, with original NS2 implementations (=no source code modified), NS returns errors of type Scheduler: Event UID not validThis error is returned during the simulation runs and 阅读全文

摘要：如何传送一个封包(How to transmit a packet?)首 先,我们要看的第一个function是在mac-802_11.cc内的recv( ),程式会先判断目前呼叫recv( )这个packet的传输方向,若是DOWN,则表示此packet是要送出去的,因此就会再呼叫send(p, h).所以接着,我们跳到send( ),此send( )首先会去检查energy model,若是目前这个node是在睡眠状态(sleep mode),则把此packet给丢弃.然后会把handler h设定给callback_.下一步,就是去呼叫sendDATA(p)和sendRTS(ETHER_ 阅读全文