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Multi-Connectivity for 5G Networks and Beyond: A Survey
Tidiane Sylla1,2, Leo Mendiboure1, Sassi Maaloul1,3
1COSYS-ERENA Lab., Université Gustave Eiffel, 33400 Talence, France.
Sensors (Basel, Switzerland)
|October 14, 2022
Summary
5G networks use multi-connectivity to combine various technologies and equipment, improving quality of service, efficiency, and mobility for users. This approach enhances network performance by enabling simultaneous connections to diverse network nodes.
Area of Science:
- Telecommunications Engineering
- Computer Networking
- Wireless Communication Systems
Background:
- Future 5th Generation (5G) networks face challenges with increasing users and bandwidth demands.
- Heterogeneous network architectures combining cellular, satellite, and WiFi are essential for 5G.
- Multi-connectivity emerges as a key paradigm to leverage these diverse network resources.
Purpose of the Study:
- To provide a comprehensive overview of multi-connectivity in 5G and future networks.
- To review existing standards, enabling technologies, and research works related to multi-connectivity.
- To analyze and compare multi-connectivity's impact on key performance indicators.
Main Methods:
- Comprehensive literature review of existing standards and enabling technologies.
- Development of a taxonomy to classify multi-connectivity elements in 5G and beyond.
- Analysis and comparison of research works focusing on service quality, efficiency, fairness, and mobility.
Main Results:
- Multi-connectivity enables User Equipment (UE) to simultaneously connect to heterogeneous network nodes (e.g., base stations, WiFi APs).
- Significant benefits observed in Quality of Service (QoS), energy efficiency, fairness, mobility, and spectrum management.
- Identified common lessons across different multi-connectivity application contexts.
Conclusions:
- Multi-connectivity is a crucial enabler for 5G and future networks, addressing scalability and performance demands.
- The study provides a structured understanding of multi-connectivity, its applications, and benefits.
- Open challenges and future research directions for multi-connectivity in advanced wireless networks are highlighted.
Keywords:
5G networksenergy efficiencyfairnessmobility managementmulti-connectivityquality of servicespectrum managementuser associationMore Related Videos
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