Table 1 System level simulation parameters
Parameter | Value |
|---|---|
Carrier frequency (DL) | 778 MHz |
Bandwidth (PS-LTE eNB/LTE-R eNB) | 10 MHz |
No. of PRBs | 50 |
RB bandwidth | 180 KHz |
No. of PS-LTE eNBs | 21 sectors (1-tier, 7 sites) (only 3 inner sectors are the region of interest) |
No. of LTE-R eNBs | Maximum 2 eNBs/sector beside the railway |
Inter-eNB distance | PS-LTE eNBs, 4 km LTE-R eNBs, 1 km |
No. of UEs/sector | PS-LTE UEs, 40 LTE-R UE, 1 (1 terminal for train control) |
Transmission power | PS-LTE, 46 dBm LTE-R, 43 dBm |
Maximum antenna gain | PS-LTE, 15 dBi LTE-R, 17 dBi |
Minimum coupling loss | 70 dB |
Noise spectral density | −174 dBm/Hz |
Path loss model | Rural macro (3GPP TR 36.837) |
Shadowing | Log-normal distribution (mean 0 dB, st. dev. 6 dB) (Correlation b/w eNBs/sectors, 0.5/1) |
Fast fading | PS-LTE: winner II (D1—rural macro) LTE-R: winner II (D2a—rural moving networks) |
UE mobility | PS-LTE UE, 3 Km/h LTE-R UE, 250 Km/h |
Transmission modes | SISO (1 × 1) |
Effective SINR | MIESM |
UE receiver | Zero forcing |
Traffic models | PS-LTE: VoIP (80%), video (20%) LTE-R: VoIP |