code writing (c++) required for ns2

I want to simulate a protocol in ns2. the description of that protocol is available in the journal paper named "A reliable and energy‐efficient routing protocol for underwater wireless sensor networks" please read from section 4 to on-wards. the paper is attached and i want to code exactly same protocol for me but with a little change that is described below and i want to actually get results of same parameters used in above paper. however, if you can do the same thing in any other way or by using another simulator you can. the change i require in description of above mentioned paper is that i want to use a different link quality parameter named F-LQE, whose description is also attached. Furthermore, F-LQE is already been coded for a simulator named Tossim and the code is attached in rar file. The description file for how to calculate F-LQE is also attached according to my understanding. Also read F-LQE original document is attached. for more information you can contact me thankyou.