Research Article

Performance Evaluation of Moving Small-Cell Network with Proactive Cache

Table 1

Simulation parameters.

Parameter MacrocellMoving small-cell

Cell layout Hexagonal grid, 3 sectors per siteUniform random distribution
Radius of cell 166 m (ISD = 3 = 500 m)10 m
Number of cells 7 sites20100
Access link
 Carrier freq.2 GHz3.5 GHz
 Bandwidth10 MHz10 MHz
 Tx power46 dBm (downlink)23 dBm (downlink)
23 dBm (uplink)23 dBm (uplink)
Wireless BH/SH link
 Carrier freq.2 GHz
 Bandwidth10 MHz
 Tx power46 dBm (downlink of BH)
23 dBm (uplink of BH, SH)
Antenna pattern Three-sector (2D)Three-sector (2D) (BH)
Omnidirectional (2D) (SH)
Antenna height MBS: 25 mmSC: 2 m
MUE: 1.5 mmSUE: 1.5 m
Mobility model MUE: random walk modelmSC: random walk model
mSUE: group moving
Sidehaul connection Contents and distance based connection
(max distance: 200 m)
Number of UE pieces per cell 2 per mSC
= the number of mSCs