Cognitive radio networks challenge the traditional wireless networking paradigm by
introducing concepts firmly stemmed into the Artificial Intelligence (AI) field, ie, learning and …

Cognitive radio networks (CRNs) have emerged as an essential technology to enable
dynamic and opportunistic spectrum access which aims to exploit underutilized licensed …

Widely regarded as one of the most promising emerging technologies for driving the future
development of wireless communications, cognitive radio has the potential to mitigate the …

The exploitation of unlicensed bands by the LTE-advanced (LTE-A) system has become a
reality through the proposal of licensed assisted access (LAA) that relies on the carrier …

This study presents new antenna schemes suitable for cognitive radio communications. The
antenna structures consist of a ultra wide band (UWB) sensing antenna, and a frequency …

This study presents the design of switching techniques for dual‐notched ultra‐wideband
antenna. The dual band‐notched frequencies are achieved by using switched defected …

摘要语义通信关注的是语义的准确传递, 而不是数据或通信符号的准确传输,
因此可以达到用更低的通信量实现更高效信息交互的目标, 是适用于智能体交互的高效通信机制 …

Due to the explosive growth of wireless devices and wireless traffic, the spectrum scarcity
problem is becoming more urgent in numerous Radio Frequency (RF) systems. At the same …

Cognitive Radio (CR) enables an unlicensed user to change its transmission and reception
parameters adaptively according to spectrum availability in a wide range of licensed …

We consider the problem of hierarchical bandwidth sharing in dynamic spectrum access (or
cognitive radio) environment. In the system model under consideration, licensed service (ie …