informed
发表于 2025-3-21 17:29:38
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Euphonious
发表于 2025-3-22 00:02:29
Book 2017velopments and future trends in cognitive radios for possible integration with the upcoming 5G networks. In addition, it includes a brief introduction to cognitive radio networks for newcomers to the field..
欢乐东方
发表于 2025-3-22 01:31:46
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Tailor
发表于 2025-3-22 04:45:14
Spectrum Sensing for Half and Full-Duplex Cognitive Radio,ally proposed (Mitolal, IEEE Personal Commun 6:13–18, 1999 [.]) in order to solve the spectrum scarcity. CR distinguishes between two types of users, the Primary (PU) and the Secondary (SU) Users. PU has the legal right to use the spectrum bandwidth, while SU is an opportunistic user that can transm
萤火虫
发表于 2025-3-22 10:30:28
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彻底明白
发表于 2025-3-22 13:51:29
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IRATE
发表于 2025-3-22 20:54:54
A Case Study of Cognitive Radio Networks: Secure Spectrum Management for Positive Train Control Opet trains. Achieving the safety objectives of PTC requires dealing with the diversity and variability of train schedules, as well as the complexity of rail track geometries. As a result, PTC implementation demands using variable amounts of the spectrum in a time critical manner. In this book chapter,
VALID
发表于 2025-3-22 22:30:27
Centralized and Distributed Algorithms for Stable Communication Topologies in Cognitive Radio Ad hoccess the licensed channels of the PU nodes when not in use. As the availability of the PU channels fluctuates with time, communication topologies spanning the SU nodes have to be dynamically and frequently reconfigured. Our objective is to determine stable communication topologies (like paths, tree
Dealing
发表于 2025-3-23 01:59:02
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Debate
发表于 2025-3-23 06:47:03
Visible Light Based Throughput Downlink Connectivity for the Cognitive Radio Networks,vertheless the status quo of the congested communication landscape imposes a great challenge on the connectivity of a raft of heterogeneous devices, which arguably defeats the purpose of IoT. New protocols that improve the CR networks’ downlink connectivity are thus being spawned. Visible light comm