随着多样化需求的增加及作用距离的延伸，基带窄脉冲方式的超宽带技术又在原有的数据业务的基础上的到了提伸，IEEE802.15.4a就是一种采用基带窄脉冲方式的超宽带综合业务的标准-With the diversification and the role of increased demand from the extension of a narrow base-band pulse of ultra-wideband technology in the existing data servic