Network slicing: a next generation 5G perspective

Subedi, Prashant; Alsadoon, Abeer; Prasad, P. W. C.; Rehman, Sabih; Giweli, Nabil; Imran, Muhammad; Arif, Samrah

doi:10.1186/s13638-021-01983-7

EURASIP Journal on Wireless Communications and Networking

Table 5 Validation of publications using different factors

From: Network slicing: a next generation 5G perspective

Author	Goal	Component units	Techniques/methods	Major features	Limitation
[18]	Analysis of RAN slicing	Spectrum planning	RAN slicing at spectrum planning level	Alternatives are presented for RAN slicing	No discussion on slicing in core network and user equipment
	Splitting of radio resources among slices	Inter-Cell Interference coordination (ICIC)	RAN slicing at ICIC Level
		Packet scheduling	RAN slicing for packet scheduling
		Admission control	RAN slicing for admission control
[20]	Enable customisation for different users	Hypervisor	RAN slicing for C/U plane separation	Separation of control and user plane creation of network slices	Discussion missing on effects of separation of planes on slicing
		Controller
		Fronthaul
[28]	Customise mobile telco services	Slice plane	PERMIT framework	Achieving flexibility, efficiency, and scalability by creating on-demand VMN slices
		VMN slice orchestrator
		Virtual resources
		Physical infrastructure
	Combining SDN, NFV and cloud and edge	Users
		VFN manager
		NFV orchestrator
		Virtualised infrastructure manager
[19]	Provide a logical architecture	Core cloud	Mobility management scheme	Mobility management	Latency issues in network slice management due to space limitations are not addressed
		Edge cloud
		Access unit
	Managing mobility	Control unit	5G network slicing
		Data unit
		Application
		Virtualised infrastructure management
		VNF management
		SDN controller
		Management and orchestration
[21]	End-to-end network slicing	Compute nodes	Device triggered network control	Slice selection mechanism	Lack of depth in architectural features
		SDN controller
		Forwarding elements
		SDN controller switch	End-to-end network slicing architecture
		Physical link
		5G network slices
[22]	Identify design challenges	User equipment	RAN slicing	Establish configuration of RAN node for RAN slicing	Involves RAN slicing only
		RAN
	Realise and customise RAN slices	Core network
[29]	Reducing handoff cost	RAN	RAN slicing	Machine learning with less impact on the throughput	More overhead on the user equipment
		User equipment
	Better utilisation of the throughput	Third party for encryption
[30]	Maximising resource utilisation	RAN	End-to-end network slicing	Machine learning with less impact on the throughput	Latency issues are not addressed
		Core network
[31]	Minimise latency	RAN	RAN slicing	Low latency and packet loss with better traffic management	The system evaluated under small use case
	Better throughput	SDN controller
	Managing traffic	SDN agent
[32]	End-to-end network slicing testbed architecture	RAN	End-to-end network slicing	Open source	Limited parameters
		Cloud-based SDN/NFV		Flexibility	Architecture is not clear

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