6G wireless communication systems: Applications, requirements, technologies, challenges, and research directions

MZ Chowdhury, M Shahjalal, S Ahmed… - IEEE Open Journal of …, 2020 - ieeexplore.ieee.org
The demand for wireless connectivity has grown exponentially over the last few decades.
Fifth-generation (5G) communications, with far more features than fourth-generation …

[HTML][HTML] Energy efficiency techniques in ultra-dense wireless heterogeneous networks: An overview and outlook

O Alamu, A Gbenga-Ilori, M Adelabu, A Imoize… - … Science and Technology …, 2020 - Elsevier
In wireless heterogeneous networks (HetNets), the spatial densification through small cells
and the application of massive MIMO antenna arrays are key enablers for high data …

Combination of ultra-dense networks and other 5G enabling technologies: A survey

MA Adedoyin, OE Falowo - IEEE Access, 2020 - ieeexplore.ieee.org
Recently, to address the astonishing capacity requirement of 5G, researchers are
investigating the possibility of combining different technologies with ultra-dense networks …

A survey of mmWave user association mechanisms and spectrum sharing approaches: An overview, open issues and challenges, future research trends

ML Attiah, AAM Isa, Z Zakaria, MK Abdulhameed… - Wireless …, 2020 - Springer
Fifth generation (5G) cellular networks promise to support multi-radio access technologies
(multi-RATs) with low and high frequencies aiming at delivering good coverage, several …

New trends and advancement in next generation mobile wireless communication (6G): a survey

S Ali, M Sohail, SBH Shah, D Koundal… - Wireless …, 2021 - Wiley Online Library
As the commercial implementations of 5G networks have been initiated in different regions
of the world, the focus of the researchers is bending towards the next generation of wireless …

Joint device association, resource allocation, and computation offloading in ultradense multidevice and multitask IoT networks

T Zhou, Y Yue, D Qin, X Nie, X Li… - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
With the emergence of more and more applications of Internet of Things (IoT) mobile devices
(IMDs), a contradiction between mobile energy demand and limited battery capacity …

Energy-efficient ultra-dense 5G networks: recent advances, taxonomy and future research directions

A Mughees, M Tahir, MA Sheikh, A Ahad - IEEE Access, 2021 - ieeexplore.ieee.org
The global surge of connected devices and multimedia services necessitates increased
capacity and coverage of communication networks. One approach to address the …

[PDF][PDF] NOMA-MEC 系统中基于改进遗传算法的协作式计算卸载与资源管理

周天清, 胡海琴, 曾新亮 - 电子与信息学报, 2022 - jeit.ac.cn
为平衡网络负载与充分利用网络资源, 针对超密集异构的多用户和多任务边缘计算网络,
在用户时延约束下, 该文构造了协作式计算任务卸载与无线资源管理的联合优化问题以最小化 …

Joint User Association and BS Operation for Green Communications in Ultra-Dense Heterogeneous Networks

T Zhou, Y Fu, D Qin, X Li, C Li - IEEE Transactions on Vehicular …, 2023 - ieeexplore.ieee.org
Ultra-dense heterogeneous networks (UDHNs) have been widely regarded as a long-term
and reliable solution for enhancing system performance and reducing cost efficiency. To …

Joint optimization of base station activation and user association in ultra dense networks under traffic uncertainty

W Teng, M Sheng, X Chu, K Guo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In ultra-dense networks (UDNs), the dense deployment of base stations (BSs) is facing
challenges due to the pronounced unbalanced traffic loads, severe inter-cell interference …