Contact person: NS-3 PDR Calculation Fix

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Location: Riyadh, Saudi Arabia

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"The simulation I have is already computing Energy, Delay and Node Lifetime perfectly, but the Packet Delivery Ratio is wrong. Instead of the expected 0 – 1 range it currently prints whole numbers such as 3 or 8.

Your task is to step into the existing NS-3 code, locate the fragment that counts packets and adjust the logic so that

PDR = (packets received) / (packets sent)

is calculated as a floating-point value and reported between 0 and 1 every time the program runs. Everything else in the simulation must remain untouched.

You will receive the full project folder after we start. The code is in the usual NS-3 style (C++ with helper scripts), so familiarity with ns-3 or any custom counter classes will help you move quickly.

Deliverables
• Updated source file(s) with clear inline comments on the fix
• A brief note or diff showing exactly what changed
• One sample run (command line and output) where Energy, Delay, Node Lifetime stay identical to the current results while PDR shows a normalized value

Acceptance criteria: the project compiles with waf, runs without warnings, and produces a PDR strictly between 0 and 1 for all test runs.

If you have any quick questions about how metrics are gathered just let me know—otherwise the goal is simply to make that single ratio accurate." (client-provided description)