Table 1 System model parameters

Cellular layout

hexagonal, 7 sites

UEs per cell

20

Inter BS distance

1 km

BS/UE height

32 m / 1.5 m

Carrier frequency

2 GHz

System bandwidth

10 MHz

BS TX power

46 dBm

Antenna model

Isotropic

Path loss

128. 1 + 37. 6log₁₀(d), distance d in km [16]

Shadowing

8 dB log-normal, correlation distance 50 m

Multipath propagation

Rayleigh fading with Jakes-like temporal correlation [17],

frequency-selective fading with Vehicular A channel taps [18]

UE velocity

10 km/h for shadowing and multipath propagation

Frame duration

1 ms

Link adaptation

Shannon’s equation with SINR clipping at 20 dB