认知无线电(CR)是一种智能的无线电通信系统,其智能主要来自于认知引擎。认知引擎基于软件无线电平台,引入人工智能领域的推理与学习方法,实现认知环路,从而实现CR的感知、自适应与学习能力。认知引擎的要素包括建模系统、知识库、推理机、学习机和各类接口,涉及到知识表示、机器推理和机器学习等关键技术。
Cognitive Radio (CR) is an intelligent wireless communication system, whose intelligence mostly comes from the cognitive engine. Based on the techniques of the software-defined radio, with the support of machine reasoning and learning in artificial intelligence, cognitive engine implements the cognitive loop in order to realize the abilities of sensing, adaptation and learning in CR. Cognitive engine consists of modeling System, knowledge base, reasoning engine, learning engine, and interfaces. The key techniques involve knowledge representation, machine reasoning, and machine learning