Intelligent Dynamic Spectrum Allocation in MEC-Enabled Cognitive Networks: A Multiagent Reinforcement Learning Approach

Table 1

Glossary of key symbols.

Symbol	Description
	Number of agent
	Number of orthogonal authorized channel
	Global channel state space
	Channel state space at slot
	State of channel at slot
	Observation space
	Observation space at slot for all agents
	Observation for agent at slot
	Observation of channel for agent at slot
	Action space for all agents
	Action profile for all agents at slot
	Actions for agent at slot
	Action for agent who chooses channel at slot
	The set of immediate reward for all agents
	Immediate reward for agent at slot
	Number of agents allocated on the same channel at slot
	Total reward for all agents at slot
	Observation-action history of agent
	Global reward of all agents in the finite time slots
	Discount factor