Adding different levels of QoS to the DVB-SH standard
Adding different levels of QoS to the DVB-SH standard
复制标题
向 DVB-SH 标准添加不同级别的 QoS
DOI：
10.1109/asms-spsc.2010.5586882
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
A. Heuberger
中科院分区：
文献类型：
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作者：
Aharon Vargas;M. Breiling;W. Gerstacker;H. Stadali;E. Eberlein;A. Heuberger
我们提出并分析了为DVB-SH标准提供不同级别服务质量（QoS）的两种策略。为了支持基于短消息的交互服务的低延迟服务需求，研究了交错方案的扩展。第一种方法是基于早期均匀交织器轮廓的DVB-SH交织器方案的直接扩展，第二种方法是引入超短交织器，称为模塑交织器，它嵌入标准DVB-SH交织器中。基于实验室测量的详尽分析显示了模制交织器的优点。最后对改进后的交织策略和分层调制的使用进行了比较。
We propose and analyze two strategies to provide different levels of quality of service (QoS) to the DVB-SH standard. An extension of the interleaving scheme is investigated to support low latency service requirements for interactive services based on short messages. The first approach is a straightforward extension of the DVB-SH interleaver scheme based on an early-uniform interleaver profile, and the second one is the introduction of a super short interleaver, referred to as molded interleaver, which is embedded inside the standard DVB-SH interleaver. An exhaustive analysis, based on laboratory measurements, shows the benefits of the molded interleaver. Finally a comparison between the modified interleaving strategy and the use of hierarchical modulation is presented.