We use many components in telecom optical network. There is an OLT at central office, remote nodes and many ONUs. They consumes some amount of energy, how we can calculate that energy.
I would suggest you to replace the computation of the "energy" with the estimation of the "energy efficiency", which is a more consistent metric in the green telecommunications and networks discipline. To this aim, you divide the total power (P, in Watts, or Joules/s) consumed by your system by the transmitted bitrate (R, in Mbits/s). The result P/R (in J/Mbit) gives you the actual energy price to transfer one Mbit of data.
Thank you sir I was also asking about energy estimation that you have replied. Please explain me how bit rate affect the energy consumption or energy efficiency.
You can find different papers on this issue but I recommend the tutorials by Tucker, where you can find some useful calculations
Rodney S. Tucker Green Optical Communications—Part I: Energy Limitations in Transport. IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, VOL. 17, NO. 2, MARCH/APRIL 2011 245
And part II is devoted to Networks
Green Optical Communications—Part II: Energy Limitations in Networks
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