Results 11 to 20 of about 25,102 (256)
Grant-Free NOMA: A Low-Complexity Power Control through User Clustering
Sensors, 2023 Non-orthogonal multiple access (NOMA) has emerged as a promising solution to support multiple devices on the same network resources, improving spectral efficiency and enabling massive connectivity required by ever-increasing Internet of Things devices ...
Abdulkadir Celik
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Bruce Lee-Inspired Fluid Antenna System: Six Research Topics and the Potentials for 6G
Frontiers in Communications and Networks, 2022 While 5G is tasked to transform our lives for the better over the next 10 years, next-generation mobile communications, a.k.a. 6G, will undoubtedly demand even higher energy and spectral efficiencies capable of providing myriads of new services and ...
Kai-Kit Wong +4 more
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IEEE Open Journal of the Communications Society, 2022 With the rapid adoption of the Internet of Things, it is necessary to go beyond fifth-generation applications and apply stringent high reliability and low latency requirements, closely related to strict delay demands.
Adeb Salh +8 more
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Performance Analysis of Cell-Free Massive MIMO Systems with Massive Connectivity [PDF]
2021 IEEE 18th Annual Consumer Communications & Networking Conference (CCNC), 2021 6 pages, 5 figures, accepted by IEEE CCNC 2021 ...
Mangqing Guo, Mustafa Cenk Gursoy
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Sensors, 2023 Non-Orthogonal Multiple Access (NOMA) has become a promising evolution with the emergence of fifth-generation (5G) and Beyond-5G (B5G) rollouts. The potentials of NOMA are to increase the number of users, the system’s capacity, massive connectivity, and ...
Syed Agha Hassnain Mohsan +5 more
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NOMA-Based VLC Systems: A Comprehensive Review
Sensors, 2023 The enhanced proliferation of connected entities needs a deployment of innovative technologies for the next generation wireless networks. One of the critical concerns, however, is the spectrum scarcity, due to the unprecedented broadcast penetration rate
Syed Agha Hassnain Mohsan +5 more
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IoT Connectivity Technologies and Applications: A Survey
IEEE Access, 2020 The Internet of Things (IoT) is rapidly becoming an integral part of our life and also multiple industries. We expect to see the number of IoT connected devices explosively grows and will reach hundreds of billions during the next few years.
Jie Ding +3 more
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Reconfigurable Intelligent Surface for Massive Connectivity
CoRR, 2021 With the rapid development of Internet of Things (IoT), massive machine-type communication has become a promising application scenario, where a large number of devices transmit sporadically to a base station (BS). Reconfigurable intelligent surface (RIS) has been recently proposed as an innovative new technology to achieve energy efficiency and ...
Shuhao Xia +3 more
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Toward Massive Connectivity for IoT in Mixed-ADC Distributed Massive MIMO [PDF]
IEEE Internet of Things Journal, 2020 Massive connectivity is a key requirement for the Internet of Things (IoT). In practice, the network should be capable of accommodating thousands of devices and meeting their traffic demands. In this article, we consider the access phase for IoT in a mixed-analog-to-digital converter distributed massive multiple-input–multiple-output system, in which ...
Jide Yuan +4 more
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Channel Estimation and User Activity Identification in Massive Grant-Free Multiple-Access
IEEE Open Journal of Vehicular Technology, 2020 Grant-free multiple-access (GFMA) allows to significantly reduce the overhead of granted multiple-access. However, information detection in GFMA is challenging, as it has to be executed along with the activity detection of user equipments (UEs) and ...
Jiatian Zhang +3 more
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