Research Article
Capacity Analysis and Optimization in Heterogeneous Network with Adaptive Cell Range Control
Table 1
System evaluation assumptions and parameters.
| Parameters | Values/descriptions |
| Macro base station deployment | 19 3-sector cells with wrap-around | Site to site distance: 500 m | Height: 40 m above ground | Tx power: 46 dBm |
| LPN deployment | 6 LPNs per macrocell on average | Height: 5 m above ground | Tx power: 30 dBm | Cell radius: 30 m |
| Propagation model | ITU UMa [20] |
| Antenna model | Macro: 3GPP [21] | LPN: dipole |
| Transmission scheme | SU-MIMO 2Tx 2Rx |
| Scheduler | Proportional fair |
| Traffic type | Download |
| Number of users per macrocell | 75 |
| User distribution | Uniform or in hotspot |
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