[ns] ns2 802.11 standards for manet

[umair shah]

can anybody tell what standard does the following code show ? and what are the default parameters ?
Mac/802_11 set RTSThreshold_          3000            
  ;# bytes
  Mac/802_11 set ShortRetryLimit_       7              
  ;# retransmittions
  Mac/802_11 set LongRetryLimit_       
  4              
  ;# retransmissions
  Mac/802_11 set PreambleLength_       
  144            
  ;# 144 bit
  Mac/802_11 set PLCPHeaderLength_      48             
  ;# 48 bits
  Mac/802_11 set PLCPDataRate_  1Mb                         ;# 1Mbps
  Mac/802_11 set dataRate_      1Mb
  Mac/802_11 set basicRate_     1Mb
  Mac/802_11 set CWMin_        
  31
  Mac/802_11 set CWMax_        
  1023
  Mac/802_11 set SlotTime_      0.000020        ;#
  20us
  Mac/802_11 set SIFS_         
  0.000010        ;#
  10us