Collaborative Opportunistic Scheduling in Heterogeneous Networks: A Distributed Approach

Table 1

A summary of former opportunistic scheduling researches.

Evaluation	Model
	Centralized	Decentralized
	Original OS [1]	DOS [4]
Global optimization	HSDPA [9]	ADOS [11]
	CA-WS [10]
	IS approach [12]
Individual satisfaction	Dual approach [13]	Our research
	Virtual queue [14]