摘要
作为一种发展较快的技术,智能天线技术在移动通信领域中引起了广泛关注,它能够根据所处的电磁环境,智能的调节自身参数,抑制干扰,提高天线增益,增加频谱利用率,从而改善移动通信系统的性能。介绍了智能天线的工作原理、性能和特点,讨论了在CDMA系统中采用智能天线后系统信噪比性能和容量的改善情况。
The technology of smart antennas is developing very fast,bring abroad attention in the mobile communication field.It can effectively adjust its parameters on the basis of electromagnetic environment,and restrain interference,and increase the gain ade spectrom efficiency.So the performance of mobile communication system can also be improved by this technology.The paper main introduce smart antennas's elements,performance and characteristic,discussing its SNR and capability improving in CDMA system.
出处
《电子技术(上海)》
2008年第2期74-76,共3页
Electronic Technology
关键词
移动通信
智能天线
CDMA
mobile communication
smart antennas
code Division Multitle Access