新字
发表于 2025-3-23 10:51:27
https://doi.org/10.1007/978-3-319-32881-2Cognitive radio networks; User cooperation; Spectrum-energy efficiency; Resource allocation; Relay commu
克制
发表于 2025-3-23 17:34:12
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BOLUS
发表于 2025-3-23 21:29:34
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Palatial
发表于 2025-3-24 01:54:49
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neutralize
发表于 2025-3-24 04:02:58
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goodwill
发表于 2025-3-24 09:54:09
Conclusions and Closing Remarks,tions is extremely limited. On the other hand, the significant spectrum underutilization resulting from current fixed spectrum allocation polices has even exacerbated the situation of spectrum scarcity.
AVANT
发表于 2025-3-24 11:26:13
Book 2016ation issues are detailed with respect to both models, in terms of problem formulation, solution approach, and numerical results. Finally, the optimal communication strategies for both primary and secondary users to achieve spectrum-energy efficient CCRN are analyzed..
走调
发表于 2025-3-24 17:48:57
Grundlagen der Metall- und Legierungskunde,rd section. In this part, cooperation frameworks, transmission technologies, and protocol designs will be reviewed. To shed light on this very topic, the associated research directions and challenges will be discussed. Finally, state-of-the-art of CCRN is listed for the readers to have better understanding about CCRN.
假装是你
发表于 2025-3-24 20:00:20
Introduction,rd section. In this part, cooperation frameworks, transmission technologies, and protocol designs will be reviewed. To shed light on this very topic, the associated research directions and challenges will be discussed. Finally, state-of-the-art of CCRN is listed for the readers to have better understanding about CCRN.
直觉好
发表于 2025-3-24 23:50:15
Book 2016ng techniques, and performance..The brief provides a systematic study on active cooperation between primary users and secondary users, i.e., (CCRN), followed by the discussions on research issues and challenges in designing spectrum-energy efficient CCRN. As an effort to shed light on the design of