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