Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/14943

TitleThroughput limits of two 802.15.4 wireless networks applications for signal acquisition
Author(s)Alves, Joel
Catarino, André P.
Carvalho, Helder
Monteiro, João L.
Rocha, A. M.
KeywordsSensor networks
BAN
Zigbee
Wireless sensors
Issue dateJun-2011
PublisherIEEE
Abstract(s)This work describes the development and test of a wireless sensor network used by a biomedical signal monitoring system. Data communication is based on a body area network (BAN) materialized as a wireless network in two versions, one based on the 802.15.4 specification and another on a higher-level Zigbee protocol. The system was developed using the Jennic JN5148 microcontroller, Jennics ZBPro stack and the JenOs RT kernell. The final system was tested with the devices at different distances, and with a varying number of sensor nodes communicating simultaneously. For each of these combinations the signal quality and frequency of communication errors were recorded. The version implemented using Zigbee protocol was able to acquire and send sensor signals at a sample rate of 7 kSamples/s (12-bit samples, final net rate of 84 kbps) with a percentage of lost frames below 4%. It was also shown that the system supports simultaneous communication of three sensor nodes at 3 kS/s (36 kbps) each, with a percentage of losses of less than 4%. These results are important since they support the possibility of having several sensors acquiring fast biomedical signals and sending them to a central unit in real time.
TypeConference paper
URIhttp://hdl.handle.net/1822/14943
ISBN9781424493128
DOI10.1109/ISIE.2011.5984287
Publisher versionhttp://ieeexplore.ieee.org/search/srchabstract.jsp?tp=&arnumber=5984287&openedRefinements%3D*%26filter%3DAND%28NOT%284283010803%29%29%26searchField%3DSearch+All%26queryText%3DThroughput+limits+of+two+802.15.4+wireless+network+applications+for+signal+acquisition
Peer-Reviewedyes
AccessOpen access
Appears in Collections:CAlg - Artigos em livros de atas/Papers in proceedings
DET/2C2T - Comunicações em congressos internacionais com arbitragem científica

Files in This Item:
File Description SizeFormat 
PaperPublicadoISIE2011.pdfArticle844,59 kBAdobe PDFView/Open

Partilhe no FacebookPartilhe no TwitterPartilhe no DeliciousPartilhe no LinkedInPartilhe no DiggAdicionar ao Google BookmarksPartilhe no MySpacePartilhe no Orkut
Exporte no formato BibTex mendeley Exporte no formato Endnote Adicione ao seu ORCID