Assume that in a gNB there will be 100 subscribers at 5Mbps 200 subscribers at 1Mbps 300 subscribers at 512 kbps and 400 subscribers at 256 Kbps Given 10MHz for a 5G cell. Assume d4=R the radius of the cell, d4- d3= d3-d2= d2-d1 and d1 =0.4R. Removing the Reference Signals (RS) in each of the PRB and then consider 30% of the total available Resource Elements (RE) will be used for control purposes (therefore not considering the removal of the 3 OFDM symbol anymore), Calculate the aggregated downlink throughput of this cell, Calculate the radius of this cell with user density 1000/km2 and the given average user data rate 1056kbps. Assuming a circular cell with an area of pR2. If twice as many handsets are distributed in this cell area, would the average rate be reduced to half or even

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Assume that in a gNB there will be

  • 100 subscribers at 5Mbps
  • 200 subscribers at 1Mbps
  • 300 subscribers at 512 kbps and
  • 400 subscribers at 256 Kbps

Given 10MHz for a 5G cell. Assume d4=R the radius of the cell, d4- d3= d3-d2= d2-d1 and d1 =0.4R. Removing the Reference Signals (RS) in each of the PRB and then consider 30% of the total available Resource Elements (RE) will be used for control purposes (therefore not considering the removal of the 3 OFDM symbol anymore),

  • Calculate the aggregated downlink throughput of this cell,
  • Calculate the radius of this cell with user density 1000/km2 and the given average user data rate 1056kbps. Assuming a circular cell with an area of pR2.
  • If twice as many handsets are distributed in this cell area, would the average rate be reduced to half or even lower? Why?

 

 

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