Computer Networks Sample Assignment Part 1

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How it will work,

  • Start with the random environment.
    • For this you will use coordinates to keep track of CPEs, they can be static
    • Computer Networks Assignment Help Order NowYou will need these coordinates to calculate the distance of the PUs
  • A lot of users will connect to the nodes I (based on only distance)
  • This will happen because they will all sit very close to the node and first connection is based strictly on distance from the node
  • Once this is done, we can show how our paper will do it, you don't have to implement this, we will use their results from the paper.
  • Now we start with SELA
  • You will go through and look at the table of each CPE (node)
  • Each CPE will have the criteria mentioned in page two of the scan
  • You will already have calculated the distance of each PU to each node.
  • Ignore all idle (inactive nodes)
  • If the distance is greater than 100m, we consider that as idle for that PU
  • You will then calculate how many PUs are connected to a node (CPE)
    • For each PU connected to a node, subtract 1 from the count
  • Then calculate how much power each CPE has (assign each one 100)
  • 1 unit of power can support one PU
  • You will then calculate the SINR (this is simply based on total bandwidth/# PUs) for each CPE
  • Now, for the probabilities
  • If the CPE is idle you give it a 0 (impossible to connect - flag set)
  • If the CPE is too far > 100 you give it a 0 (impossible to connect - flag set)
  • If the CPE doesn't have enough power you give it a 0 (impossible to connect - flag set)
  • I have written out the rest of the probabilities in sheet 2 and 3
  • Now, take all the probabilities and add them together based on weightings for each node for each PU (summation formula – very simple)
  • Now, when you add these, they will give you a number that will be your estimator (vector)
  • Select the CPE with the highest estimator and that is the one you will connect the PU to
  • After you connect the PUs you update your information
  • Set the current vector as the old vector
  • Now calculate a new vector as you did before and start all over

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