Research Article
Energy Cost Minimization in Heterogeneous Cellular Networks with Hybrid Energy Supplies
Table 1
Network parameters and values.
| Parameter | Value |
| Macro cell radius | 600 m | Available bandwidth in each cell | 20 MHz | Maximum transmit power | | Macro BS | 46 dBm | Pico BS | 30 dBm | Static power | | Macro BS | 130.0 W | Pico BS | 13.6 W | Power in sleep | | Macro BS | 75.0 W | Pico BS | 4.3 W | Slope of dynamic power | | Macro BS | 4.7 | Pico BS | 4.0 | Path loss ( in Km) | | Macro cell to users | 128.1 + | Pico cell to users | 130.7 + | Thermal noise power level | −174 dBm/Hz | Data rate requirement of each user | 10 Mbps | Time interval | 600 s |
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