A New Cooperative Dual-Level Game Approach for Operator-Controlled Multihop D2D Communications

Table 1

Parameters used in the proposed algorithm.

Notations	Explanation
	The set of wireless operators
	The set of devices under the operator
	The wireless link between and
	The set of ’s neighboring devices
	The communication cost degree of link
	The interference parameter of
	The cardinality of
	The path loss exponent factor
	The path interference factor
	The distance between and
	The multihop communication flow
,	The source and destination device of flow
M	The payment mechanism for the upper-level game
	A set of possible outcomes from relay operators
	The set of relay operators for the relay service
	A set of relay operators to establish a routing path
	’s value to a specific outcome
	The set of relay devices under the for the service
	The next relay device of
	’s energy consumption to connect the
	The misreport of true valuation function
	The incentive payment of
	’s utility function
	The real cost function of
	A vector of except the