A two-way radio communication across a multi-hop wireless sensor network based on a commercial IEEE 802.15.4 compliant platform

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/117461

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Telemàtica
dc.contributor	Universitat Politècnica de Catalunya. WNG - Grup de xarxes sense fils
dc.contributor.author	Herrera, Laura
dc.contributor.author	Calveras Augé, Anna M.
dc.contributor.author	Catalán Cid, María Luisa
dc.date	2012
dc.identifier.citation	Herrera, L., Calveras, A., Catalan, M. A two-way radio communication across a multi-hop wireless sensor network based on a commercial IEEE 802.15.4 compliant platform. A: Eurosensors conference. "Procedia Engineering Elsevier Volume 25, 2011, Pages 1045–1048 EurosensorsXXV". Elsevier, 2012, p. 1045-1048.
dc.identifier.citation	10.1016/j.proeng.2011.12.257
dc.identifier.uri	http://hdl.handle.net/2117/117461
dc.language.iso	eng
dc.publisher	Elsevier
dc.relation	http://www.sciencedirect.com/science/article/pii/S1877705811059261
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors
dc.subject	Wireless communication systems
dc.subject	IEEE 802.15.4
dc.subject	Audio streaming
dc.subject	Multi-hop
dc.subject	Voice compression
dc.subject	Effective capacity
dc.subject	Comunicació sense fil, Sistemes de
dc.title	A two-way radio communication across a multi-hop wireless sensor network based on a commercial IEEE 802.15.4 compliant platform
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	Wireless Sensor Networks, and especially IEEE 802.15.4, are originally defined for low cost applications, with low bit rates and power restrictions in mind. However, the ubiquity of the nodes and their easy connectivity also enable them to be used in supporting real time services, for instance, emergency scenarios, where TETRA is usually the employed audio technology. Focusing on voice transmission, we present a performance evaluation of audio streaming over a multi-hop Low-Rate Wireless Personal Area Network in order to provide bidirectional audio communication using a commercial IEEE 802.15.4 compliant platform. This paper includes an assessment of different software protocols and compression algorithms to support audio transmission on a CC2530 System-on-Chip WSN mote. The results establish the maximum number of hops of a bidirectional single-route network under real- time voice quality constraints.
dc.description.abstract	Peer Reviewed

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