认知无线网络中多信道频谱感知周期优化算法

刘洋, 崔颖, 李鸥, 刘伟俊 - 数据采集与处理, 2016 - cqvip.com
为了使认知无线电次用户发现并使用更多的空闲频谱资源, 提出了一种多信道频谱感知周期优化
算法. 针对实际网络中各授权信道使用规律的不同, 本文基于交替更新理论建立了多信道状态 …

[PDF][PDF] Medição de ocupação espectral e estudo das oportunidades de espectro para uso de sistemas rádio cognitivo

MV de Lima - 2013 - dbd.puc-rio.br
2013. 131p. Dissertação de Mestrado-Departamento de Engenharia Elétrica, Pontifícia
Universidade Católica do Rio de Janeiro. Atualmente, a escassez espectral é um problema …

Efficiency-accuracy trade-off for spectrum sensing in cognitive network

S Wujian, D Weiguo, Z Lei, L Yang… - 2012 Second …, 2012 - ieeexplore.ieee.org
Spectrum sensing is the first and foremost step in cognitive radio technology, where sensing
efficiency and accuracy cannot be simultaneously optimized. Tradeoff between the two …

Optimization of Spectrum Sensing Period in Cognitive Radio Networks Based on GA

Y Liu, Y Cui, O Li - Advanced Materials Research, 2013 - Trans Tech Publ
In Cognitive Radio Networks (CRN), an important issue associated with MAC-layer sensing
is how often the availability of licensed channels should be sensed. To solve this issue in …