QVS: Quality-Aware Voice Streaming for Wireless Sensor Networks
作者： Liqun Li , Guoliang Xin , Limin Sun , Yan Liu
关键词:
摘要: Recent years have witnessed the pilot deployments of audio or low-rate video wireless sensor networks for a class mission-critical applications including search and rescue, security surveillance, disaster management. In this paper, we report design implementation Quality-aware Voice Streaming (QVS) networks. QVS is built upon SenEar, new hardware platform developed high-bandwidth communication. comprises several novel components, which include an empirical model online voice quality evaluation control, dynamic compression/duplication adaptation lossy links, distributed stream admission control that exploits network capacity rate allocation. We extensively tested on 20-node deployment. Our experimental results show delivers satisfactory under range realistic settings while achieving high utilization.
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