[ns] how to find the SNR and BER

[sivagami amirthalingam]

    I am simulating Wireless network for IEEE 802.11standard. To analysis 
the network, I have chosen delay, througput , SNR and BER parameters. Any 
body can help me to calculate the SNR and BER value. 
     One more question. Any one tell how to set the value  'd' (no of 
packets after which the ack has to be sent by the sink)f or delayed 
acknowldegement of Agent/TcpSink/DelAck 
     Thank you
   Sivagami


                                
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