摘要
首先介绍了智能天线的发展和研究现状 ,智能天线能够自适应地跟踪用户信号 ,抑制干扰 ,增加通信容量 ,提高频谱复用率 ,在第三代移动通信系统中占有重要地位。作为智能天线的核心技术之一 ,波束形成算法引起了众多学者的广泛关注。着重讨论了智能天线中波束形成的各种算法 ,根据算法对信号处理方式的不同 ,把它分为三大类 ,并对其中比较典型的算法进行了讨论。最后 。
Smart antenna could adaptively track the users' signal while nulling the interference.It could be used to improve the communication capacity and frequency reusing.Smart antenna plays an important role in the 3G mobile communication system.As the key technique of the smart antenna,the adaptive beamforming algorithm has enjoyed widespread popularity.In this paper,the development and the basic conception for the smart antenna were introduced.The emphasis was laid on the adaptive beamforming algorithm for smart antenna.The algorithm was classified into three sorts according to their computational fields.Several representative algorithms of each sort were also provided.Finally,a kind of important algorithm named blind beamforming algorithm was discussed.
出处
《解放军理工大学学报(自然科学版)》
EI
2002年第1期36-39,共4页
Journal of PLA University of Science and Technology(Natural Science Edition)
关键词
盲波束形成算法
智能天线
波束形成算法
smart antenna
adaptive beamforming algorithm
blind beamforming algorithm