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D2D Multi-hop Multi-path Communications in B5G Networks: A Survey on Models, Techniques, and Applications
D2D Multi-hop Multi-path Communications in B5G Networks: A Survey on Models, Techniques, and Applications
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Date
2021
Authors
Quang-Nhat Tran
Nguyen-Son Vo
Quynh-Anh Nguyen
Minh-Phung Bui
Thanh-Minh Phan
Van-Viet Lam
Antonino Masaracchia
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Abstract
In 5G networks, device-to-device (D2D) communications have played an important role in enlarging the
coverage, relaxing the workload of backhaul links of both macro base stations (MBSs) and small-cell base
stations (SBSs), and serving the mobile users (MUs) local applications and services at high capacity. However,
beyond 5G (B5G or 6G) networks will require disruptive solutions that can assist D2D communications
to meet numerous advanced applications and services requested by dense MUs. One of the most efficient
solutions for D2D communications is multi-hop multi-path (MHMP). In this paper, we present a detailed
survey of the so called D2D MHMP communications in terms of models, techniques, and applications for B5G
networks. We discuss and propose the future research directions of D2D MHMP communications. All the
models, techniques, and applications as well as future research directions of D2D MHMP communications
provide the useful insights into B5G networks design and optimisation.
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Keywords
5G networks and beyond,
D2D communications,
Multi-hop Multi-path