Modeling and Performance Analysis of Channel Assembling Based on Ps-rc Strategy with Priority Queues in CRNs

Table 1

Summary of related references.

Ref.#	Resource allocation method	Channel access technology	Traffic classification	Queue	Heterogeneous flow	Other major technologies	Analytical method
2012 [10]	Static	CA/SH	Yes	No	Yes	/	CTMC
	Dynamic	CA/SA	Yes	No	Yes	/	CTMC
2014 [11]	Dynamic	CA/SA	Yes	Yes	Yes	Feedback queue	CTMC
2016 [9]	Dynamic	SH	Yes	No	Yes	Spectrum leasing	CTMC
2016 [14]	Dynamic	SA	Yes	No	No	Adaptive dynamic programming/smart grid	SMDP
2016 [16]	Dynamic	Channel aggregation	No	No	No	Guard-band allocation mechanism	CTMC
2017 [12]	Dynamic	Channel bonding/SH	Yes	Yes	No	Starvation mitigation	DTMC
2017 [13]	Dynamic	Channel aggregation/SH	Yes	No	Yes	Call buffering/channel reservation	CTMC
2018 [15]	Dynamic	CA/SA	Yes	Yes	No	Polling/fuzzy control	CTMC
2020 [17]	Dynamic	Channel aggregation/SA	Yes	No	No	Flow-adaptive spectrum leasing	CTMC
Proposed	Dynamic	CA/SA	Yes	Yes	No	Polling/channel reservation	CTMC

SH: spectrum handoff; SMDP: semi-Markov decision process; DTMC: discrete time Markov chain.