Improving Energy Efficiency of Multimedia Content Dissemination by Adaptive Clustering and D2D Multicast

Table 1

Simulation parameters.

Description	Parameter	Value
Multicast sending antenna gain		1
Multicast receiving antenna gain		1
Multicast sending antenna height		1 m
Multicast receiving antenna height		1 m
Maximum multicast power for MBS		10 W
Maximum multicast power for DCHs		For any DCH k, is set as 100 mW
Carrier signal wavelength for intracluster D2D	λ	0.1224 m
System loss factor for intracluster D2D	L	1
Crossover distance for intracluster D2D	dcrossover	103 m
Path loss exponent for intracluster D2D	α	For any multicast radius di, α = 2 when di < dcrossover; α = 4 when di ≥ dcrossover
Initial battery capacity	ei	For any DCH i, ei is distributed randomly between 500 J and 2000 J
Benefit coefficient	η	1.2