A Survey on Handover Optimization in Beyond 5G Mobile Networks: Challenges and Solutions

被引：19
作者：
Alraih, Saddam [1 ]
Nordin, Rosdiadee [1 ]
Abu-Samah, Asma [1 ]
Shayea, Ibraheem [2 ]
Abdullah, Nor Fadzilah [1 ]
机构：
[1] Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Elect Elect & Syst Engn, Bangi 43600, Malaysia
[2] Istanbul Tech Univ ITU, Fac Elect & Elect Engn, Dept Elect & Commun Engn, TR-34467 Istanbul, Turkiye
来源：
IEEE ACCESS | 2023年 / 11卷
关键词：
Handover management; mobility management; HO; HO optimization; 5G; Beyond; B5G; small cells; UDNs; mmWave; THz; MILLIMETER-WAVE COMMUNICATIONS; WIRELESS COMMUNICATION-SYSTEMS; MACHINE LEARNING TECHNIQUES; ULTRA-DENSE NETWORKS; STATE-OF-ART; DUAL CONNECTIVITY; COMPREHENSIVE SURVEY; MANAGEMENT; 6G; ALGORITHM;
D O I：
10.1109/ACCESS.2023.3284905
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Handover (HO) management is essential in mobile cellular networks. It ensures seamless connectivity to the User Equipment (UE) while moving from one Base Station (BS) to another within the coverage area. HO optimization refers to the adoption of intelligent and automatic HO techniques in mobile networks. HO optimization is gaining more importance in Fifth-Generation (5G) and Beyond (B5G) systems because of the requirements and specifications that B5G targets. The requirements of B5G include global connectivity, ultra-low latency, big data analytics, extreme data rate transmissions, a massive number of devices in a small area, and new technologies that will support the B5G network, such as Millimeter Wave (mmWave), Terahertz (THz) communication, and Ultra-Dense Networks (UDNs). All these factors cause new HO optimization challenges and require new solutions for HO optimization techniques. This study comprehensively provides HO optimization challenges and solutions in B5G. First, it provides a research background and explanation of HO in legacy. It then investigates the HO optimization challenges in B5G, including future research directions. The paper then discusses the most prominent and recent techniques and technological solutions for HO optimization management in B5G. Finally, we highlight potential techniques for HO optimization in B5G.
引用
收藏
页码：59317 / 59345
页数：29
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