Investigation on Mutual Contention Bandwidth Request Mechanisms in Two-Hop Relay Network with ITU-R Path Loss Models

Table 1

ITU-R pathloss model specification [31].

Parameters	Details
Environment/scenarios	Suburban fixed, vehicular, or outdoor to indoor and pedestrian
Multipath channel	ITU Channel A, ITU Channel B
Frequency range	2–6 GHz
Maximum bandwidth	100 MHz
Mobility	Up to 365 km/h
Delay spread	20 ns–370 ns
BS angle spread	6°–42°
MS angle spread	30°–74°