Table 3 Simulation parameters
From: A femtocell location strategy for improving adaptive traffic sharing in heterogeneous LTE networks
Simulation parameters and features | ||
|---|---|---|
Time resolution | 100 ms | |
Propagation models | Indoor-indoor | Winner II A1 |
Indoor-outdoor | Winner II A2 | |
Outdoor-outdoor | Winner II C2 | |
Outdoor-indoor | Winner II C4 | |
BS model | EIRP | B S femto=13 dBm |
B S macro=43 dBm | ||
Directivity | femto: omnidirectional | |
macro: tri-sectorial | ||
Access | macro/femto: open access | |
MS model | Noise figure | 9 dB |
Noise spectral density | -174 dBm/Hz | |
Traffic model | Arrival process | Poisson |
(avg. 0.42 | ||
calls / (user ×hour)) | ||
Call duration | exponential (avg. 180 s) | |
Mobility model | Outdoor | 3 km/h, random direction and |
wrap-around | ||
Indoor | Random waypoint | |
Service model | Voice over IP | 16 kbps |
RRM model | 6 PRBs (1.4 MHz) | |
Cell reselection | C1-C2 | |
Access control | Directed retry | |
Handover | Power budget | |
Scheduler: | Time: round-robin | |
Frequency: best channel | ||