Transmission Strategy Design and Resource Allocation in D2D Multicast Cooperative Communications with SWIPT

Table 1

Table of notations.

Notation	Description
	Set of cellular users (CU)
	Set of D2D multicast receivers
	Set of orthogonal channels
	D2D multicast source user
	D2D multicast help user
	D2D multicast receivers
	The distance between     and
	The channel coefficients between the two channels
	The distance between     and Kth
	The channel coefficients between the two channels
	The power split factor
	The energy harvested by
	The energy conversion efficiency of
	The signal receiving rate
	The transmitting power
	A binary variable
	A channel quality coefficient of
	The uplink transmission power of
	The channel coefficient between   and
	Multicast channel quality coefficient
	The normalized rate of multicast D2D group
	The summation of normalized rate