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The traffic of the base station can be offloaded by content sharing through device-to-device (D2D) communications if popular on-demand contents have been cached in user devices. In D2D content sharing, the receiving user gains benefit by obtaining contents while the transmitting user has to consume the transmission energy. However, users are selfish and have no obligation to help others. To motivate...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.