[ns] Header packet size

[zitouni rafik]

Hi, 
   
  I defined a new routing protocol for wireless sensor networks, and I 
implemented a new packets. I have the problem in the initialisation of header 
packet sizes. 
   
  Can you give me the technique used to calculate the header packet size?  
   
  Best Regards. 
   

 
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[ns] SMAC with Directed Diffusio

[zitouni rafik]

Hello,
   
  I have the problem when I use the SMAC protocol with directed diffusion 
DIFFUSION/PROB implementation. 
  In the trace I have Collusion in the reception of SYNC packets with INTEREST 
packets of routing protocol.
   
  Can you give me the solution to avoid theses collusion. 
   
  Thanks in advance. 
   

  
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[ns] wireless network (directed diffusion and height number of nodes )

[zitouni rafik]

Hello to all,
   
  I' have the problem when I simulate the directed diffusion diff_prob with a 
height number of nodes 100 nodes, I receive the following error:
   
  ns: mobile/god.cc:1052: virtual int God::command(int, const char* const*): 
Assertion `min_hops[i * num_nodes + j] == d' failed.
  Abandon
   
   
  Can you give me the solution or the source of the problem?
   
  Best Regards.


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[ns] sensor node configuration

[zitouni rafik]

Hello for all,
   
  Can you give me the tcl script of wireless sensor node configuration? 
   
  Best Regards.


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[ns] directed diffusion (diff_prob.cc)

[zitouni rafik]

Hello to all.
   
  I have some problem to understand diff_prob.cc program in directed diffusion 
protocol.
  What it means the following instruction in the CalGradient function. 
   
  cur_out-gradient = pow(2, routing_table[dtype].num_active - 
  cur_out-rank) / 
 ( pow(2, routing_table[dtype].num_active) - 1);
   
  void DiffusionProb::CalGradient(unsigned int dtype)
  {
Out_List *cur_out;

for (cur_out = routing_table[dtype].active; cur_out != NULL;
 cur_out = OUT_NEXT(cur_out) ) {
  cur_out-gradient = pow(2, routing_table[dtype].num_active - 
  cur_out-rank) / 
 ( pow(2, routing_table[dtype].num_active) - 1);
}
  } 
   
  Thunks for all.


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[ns] list of neighbors (wireless network)

[zitouni rafik]

Hello everybody
   
  I have some problem, and I will be glade if you help me.
   
  What is the function witch calculate the list of neighbors of node with the 
power receive and transmission conditions. 
   
  Thunks for all.


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[ns] awk language under tcl script?

[zitouni rafik]

Hello to all,
   
  I try to modify a trace file under tcl script using awk language?
   
  Help me please,
   
  Best Regards.


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