Cooperative spectrum sensing (CSS) is envisaged as a powerful approach to improve the
utilization of scarce radio spectrum resources, but it is threatened by Byzantine attack …

Cooperative spectrum sensing is a promising technology of overcoming the inherent nature
of wireless communications to solve the spectrum shortage and underutilization problem …

Spectrum sensing is a core function at cognitive radio systems to have spectrum awareness.
This could be achieved by collecting samples from the frequency band under observation to …

To satisfy the growing spectrum demands of emerging wireless applications, cognitive
radios have been considered as a viable option. It enables dynamic spectrum access …

There has been an increase in wireless applications due to the technology boom;
consequently raising the level of radio spectrum demand. However, spectrum is a limited …

摘要传统的能量感知算法对噪声比较敏感, 在较低的信噪比条件下检测准确性易受到影响,
循环特征检测法计算复杂度偏高, 为此提出了基于能量检测和小波变换(WT) …

This paper presents a new method that enables automatic channel change in case of
intense interference on the active channel of a wireless communication point-to-point link …

With the massive and growing number of wireless devices, the scarcity of the available
frequency spectrum is a serious concern. The QoS requirements of most contemporary …

In recent years, radio frequency spectrum in wireless communication is not effectively
utilized. To utilize the spectrum effectively, an optimistic technology called “Cognitive Radio …

A cognitive radio technique has the ability to learn. This system not only can observe the
surrounding environment, adapt to environmental conditions, but also efficiently use the …