Quality Adaptation of Constrained Application Protocol Multimedia Streaming in Internet of Things

被引：2
|
作者：
Kwon, Jung-Hyok [1 ]
Youm, Sungkwan [2 ]
Jung, Jai-Jin [3 ]
Kim, Eui-Jik [1 ]
机构：
[1] Hallym Univ, Dept Convergence Software, 1 Hallymdaehak Gil, Chuncheon Si 24252, Gangwon Do, South Korea
[2] Cheju Halla Univ, Dept Informat & Commun, 38 Halladaehak Ro, Jeju Si 63092, Jeju Do, South Korea
[3] Dankook Univ, Dept Multimedia Engn, 152 Jukjeon Ro, Yongin 16890, Gyeonggi Do, South Korea
来源：
SENSORS AND MATERIALS | 2018年 / 30卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
CoAP; Internet of Things; multimedia; quality adaptation; streaming;
D O I：
10.18494/SAM.2018.1762
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper, we present a quality adaptation of constrained application protocol (CoAP) multimedia streaming, which is abbreviated as QACMS, in the Internet of Things (IoT). The QACMS is designed to support reliable and high-quality multimedia streaming in a constrained environment. To achieve this, the QACMS adaptively selects the quality level of multimedia content considering the available bandwidth of the wireless link and decides the bitrate of chunks by adjusting the CoAP observation period. To verify the effectiveness of the QACMS, an experimental simulation is conducted in various simulation scenarios. The results show that the QACMS performs better than the existing CoAP-based streaming in terms of packet loss rate and bandwidth utilization.
引用
收藏
页码：423 / 430
页数：8
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