[ns] help !!! NS2 extension package that supports static routing ???

2007-04-26 Thread tdinhtoan
hi, I am looking for an NS2 extension package that supports static routing (i.e. used in tree-based wireless mesh networks). Is there anyone extending NS2 to support static routing? If you have, could you please provide me the package (source code). I know one such extension:

[ns] error when installing ns-2.1b9a (when configure otcl)

2007-04-24 Thread tdinhtoan
hi, I install ns-2.1b9a, and it asks to install otcl-1.0a8. However I could install otcl-1.0a8 because of the following error: checking for X11 header files can't find X includes when I configure the otcl-1.0a8. I do not how to fix the error. Could anyone help me. Looking

[ns] strange bug in ns2 - halted forever ?

2007-04-18 Thread tdinhtoan
hi, I got the following bug in ns2: I run a Tcl file, after running for a while, it is halted forever (of course it is expected to run more), and I could not get the results at all. Did anyone get the same bug and know how to fix it? Thanks very much. -toan.

[ns] strange bug in ns2 - halted forever (more details) ?

2007-04-18 Thread tdinhtoan
hi, I got the following bug in ns2: I run a Tcl file, after running for a while, it is halted forever (of course it is expected to run more), and I could not get the results at all. There is no infinite loop in my code. My simulation is a wireless mesh network topology consisting of several

[ns] customize transmission range, carrier sense range ?

2007-04-18 Thread tdinhtoan
hi, It seems that the default transmission range and carrier sense range in NS2 are 240 and 550 respectively. What is the default transmission power in NS2? I would like to customize the TxRange to 195 and CSRange to 376. How can I do? + for TwoRay model ? + and for pathloss model ?

[ns] routing over a fixed path in wireless ad-hoc network?

2007-04-07 Thread tdinhtoan
hi, I am simulating an ad-hoc wireless network. The nodes do not move (a kind of wireless mesh network). Thus for a given pair of source node and destination node, I determine the routing path between them in advanced. i.e. the routing path: src - node2 - node3 - dest. I establish an CBR

[ns] how to simulate 802.11a channels in NS2 ?

2007-03-21 Thread tdinhtoan
hi, I am going to simulate 802.11a channels in NS2, but i couldn't find out any tutorials about 802.11a in NS2. Could anyone help me some guides or examples about how to set up parameters in order to simulate 802.11a channels in NS2? Thanks very much. -toan.