2) assoPermit means whether the node should permit other nodes to associate with it so that it becomes their coordinator. Look at the 802.15.4-2003 standard for details.
5) This is not how LossModel is used. Consult ns-manual for the correct usage. It still applies for wpan. Bruce Who wrote: >------------------------------------------------------------------------ > >Hi, all: > >Recently I begin to learn how to use ns2 to run wpan simulations, and stumbled >by some problems, hope someone could help me out. > >1)I found there are some commands like this: >eval $ns_ attach-agent \$node_($src) \$udp_($src) > >why don't we just use this command? > >$ns_ attach-agent $node_($src) $udp_($src) > >2) for this command >$node sscs startCTDevice <isFFD = 1> <assoPermit = 1> <txBeacon = 0> ><beaconOrder = 3> <SuperframeOrder = 3> > >what does assoPermit mean? > >3) I ran wpan_demo2.tcl and found that all extended addresses of nodes are > [0]. Is it necessary to set the address to different values by ourselves? > >4) I ran "nam wpan_demo2.nam" and found that data stream is only seem between > PANCoor(node0) and node1. But we have such statements in the wpan_demo2.tcl > script: > > ftptraffic 0 1 $appTime1 > ftptraffic 0 3 $appTime3 > ftptraffic 0 5 $appTime5 > >So why could no communications be seen between node0 and node3/node5? > >5) And how to set lossmodel for nodes in wpan? I tried following code, but it > doesn't work: > >set loss_module [new ErrorModel] >$loss_module set rate_ 0.01 >$loss_module unit pkt >$loss_module ranvar [new RandomVariable/Uniform] >$loss_module drop-target [new Agent/Null] >eval $ns lossmodel $loss_module \$node_($src) \$node_($dst) > >Any help would be appreciated! Thanks in advance! > > > >Best regards, > >Bruce Who > > >