摘要
上行链路功率回馈技术(UPBO：upstream power back-off)是VDSL(very high-speed digital subscriber lines)系统中的关键技术，它用于抵消同一电缆中短线对长线引起的严重的远端串扰(FEXT:far-end crosstalk)。文中从功率控制的角度分析了基于迭代注水的自适应UPBO方案，并进行了性能仿真分析。
Upstream power backoff is a key technology in VDSL system, applied to reduce the strong FEXT introduced by short loops working together with long loops in the same binder. This paper analyzes adaptive UPBO method based iterative waterfilling algorithm from power control view and performs the result of simulation.
作者
赵永刚
郑开思
ZHAO Yonggang, ZHENG Kaisi (Department of Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China)
出处
《江苏通信技术》
2003年第5期24-26,共3页
Jiangsu Communication Technology
基金
江苏省教育厅自然科学基金资助项目(01KJB510003)
