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题名:
qvs: quality-aware voice streaming for wireless sensor networks
作者: Li Liqun ; Xing Guoliang ; Sun Limin ; Liu Yan
会议文集: Proceedings - International Conference on Distributed Computing Systems
会议名称: 29th IEEE International Conference on Distributed Computing Systems
会议日期: JUN 22-26,
出版日期: 2009
会议地点: Montreal, CANADA
关键词: disaster management ; duplication adaptation ; dynamic voice compression ; quality-aware voice streaming ; security surveillance ; voice quality evaluation ; wireless audio communication ; wireless sensor networks ; audio streaming ; wireless sensor networks
出版者: 2009 29TH IEEE INTERNATIONAL CONFERENCE ON DISTRIBUTED COMPUTING SYSTEMS
出版地: 345 E 47TH ST, NEW YORK, NY 10017 USA
ISSN: 1063-6927
ISBN: 978-1-4244-4481-6
部门归属: Li, Liqun; Sun, Limin Chinese Acad Sci, Inst Software, Beijing 100864, Peoples R China.
主办者: IEEE
英文摘要: Recent years have witnessed the pilot deployments of audio or low-rate video wireless sensor networks for a class of mission-critical applications including search and rescue, security, surveillance, and disaster management. In this paper, we report the design and implementation of Quality-aware Voice Streaming (QVS) for wireless sensor networks. QVS is built upon SenEar, a new sensor hardware platform we developed for high-bandwidth wireless audio communication. QVS comprises several novel components, which include an empirical model for online voice quality, evaluation and control, dynamic voice compression/duplication adaptation for lossy wireless links, and distributed stream admission control that exploits network capacity for rate allocation. We have extensively tested QVS on a 20-node network deployment. Our experimental results show that QVS delivers satisfactory, voice quality under a range of realistic settings while achieving high network capacity utilization.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8302
Appears in Collections:基础软件国家工程研究中心_会议论文

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Recommended Citation:
Li Liqun,Xing Guoliang,Sun Limin,et al. qvs: quality-aware voice streaming for wireless sensor networks[C]. 见:29th IEEE International Conference on Distributed Computing Systems. Montreal, CANADA. JUN 22-26,.
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