DVB-H中的时间分片技术  

Time Slicing Technology of DVB-H

作　　者：邹莉萍[1] 徐元欣[1] 王匡[1] 

机构地区：[1]浙江大学信息学院,浙江杭州310027

出　　处：《电视技术》2005年第10期41-44,共4页Video Engineering

摘　　要：阐述了DVB-H的系统结构,对以降低功耗、实现无缝频率切换和替换频率的无缝扫描为目标的时间分片技术进行了理论分析,给出了时间分片的相关算法。此外,还介绍了一款DVB-H芯片的性能。This paper describes the system structure of DVB-H, performs theoretical analysis of time slicing technology for the purpose of reducing power consumption and realizing seamless frequency handover and seamless scanning for frequency substitution, and gives out the related algorithms for time slicing. Further more, the performance of a type of DVB-H chipset is also introduced.

关 键 词：数字视频广播——手持 时间分片 时分复用 功率节省 无缝切换 软切换 

分 类 号：TN949.197[电子电信—信号与信息处理]