Signaling Load Reduction in 5G Network and Beyond

Waheed, Mohammed A.; Saeed, Azzad B.; Abd, Thanaa H.

doi:10.30684/etj.v39i10.1960

	Signaling Load Reduction in 5G Network and Beyond
Engineering and Technology Journal
Article 3, Volume 39, Issue 10, October 2021, Pages 1481-1491 PDF (1.24 M)
Document Type: Research Paper
DOI: 10.30684/etj.v39i10.1960
Authors
Mohammed A. Waheed^* ¹; Azzad B. Saeed¹; Thanaa H. Abd²
¹Electrical Engineering Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
²Ministry of Science and Technology, Space and Telecommunications Directorate, Baghdad, Iraq.
Abstract
A huge traffic flow in the next generation network is anticipated due to the rising in number of users and the new services that need low end-to-end latency causing a large signaling load on the Core Network (CN). In order to mitigate this issue, many revolutionary architectures have been proposed to reduce this burden such as Cloud Radio Access Network (C-RAN). In this paper, a new C-RAN distributed core network architecture has been proposed by splitting some CN functions and grouping them into one location with Base Band Units (BBUs). As a measure of testing the proposed architectures and by using the MATLAB, the number of signaling messages processed by the control entities was analyzed. The evaluation results indicate a significant improvement if it have been compared to Long Term Evolution (LTE) architecture in terms of signaling load reduction, As the average signaling load was reduced by 46.04 percent in one of the proposed architectures when the number of user equipments increased.
Highlights
The number of messages has been reduced in the proposed architecture as compared with the previous related works. The signaling load in the Long Term Evolution was reduced by 45.4% when taking into consideration the area size. The signaling load in the Long Term Evolution was reduced by 38.3% when analyzing the User Equipment velocity. The signaling load in the Long Term Evolution was reduced by 46.04% when taking into consideration the User Equipment number.
Keywords
C-RAN; SDN; Virtualization; Long Term Evolution; 5G

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