Research Article

Power-Domain Based Dynamic Millimeter-Wave Spectrum Access Techniques for In-Building Small Cells in Multioperator Cognitive Radio Networks toward 6G

Table 3

Default parameters and assumptions.

Parameters and assumptionsValue

Total number of MNOs in a country4
Frequency bands2,5,62 GHz (non-LOS) for MBSs and PBSs, 28 GHz (LOS) for SBSs
Spectrum bandwidth per MNO50 MHz (28 GHz band) and 10 MHz (2 GHz band)
Number of MBSs, PBSs, and SBSs per MNO1, 2, and 8 (per building)
Transmission power1 (dBm) and direction46 for MBSs1,4, 37 for PBSs1, 19 for SBSs1,3,4 (when operating in the interweave access), and 12.01 for SBSs (when operating in the underlay access), downlink
Macrocell UEs30 (total) and 2/15(offloaded)
Building and small cell models buildings per macrocell, 2 floors per building, 4 apartments per floor, 1 small cell per apartment, and  m2 area per apartment
Scheduler and traffic model2Proportional fair (frequency domain) and full buffer
Type of small cellsFemtocells (closed subscriber group)
TTI1, simulation run time, scheduler time constant61 ms, 8 ms, and 100 ms

Taken 1from [29], 2from [30], 3from [31], 4from [32], from 5[33], from 6[34].