qvs: quality-aware voice streaming for wireless sensor networks

	qvs: quality-aware voice streaming for wireless sensor networks
	Li Liqun; Xing Guoliang; Sun Limin; Liu Yan
	2009
会议名称	29th IEEE International Conference on Distributed Computing Systems
会议录名称	Proceedings - International Conference on Distributed Computing Systems
会议日期	JUN 22-26,
会议地点	Montreal, CANADA
出版地	345 E 47TH ST, NEW YORK, NY 10017 USA
出版者	2009 29TH IEEE INTERNATIONAL CONFERENCE ON DISTRIBUTED COMPUTING SYSTEMS
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.
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.
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
主办者	IEEE
内容类型	会议论文
URI标识	http://ir.iscas.ac.cn/handle/311060/8302
专题	基础软件国家工程研究中心
推荐引用方式 GB/T 7714	Li Liqun,Xing Guoliang,Sun Limin,et al. qvs: quality-aware voice streaming for wireless sensor networks[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:2009 29TH IEEE INTERNATIONAL CONFERENCE ON DISTRIBUTED COMPUTING SYSTEMS,2009.