wireless body sensor networks ppt

Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc

... variablesEURASIP Journal on Wireless Communications and Networking 5 Body sensor PatientPatientPatientPatientPatient Body sensor Body sensor Body sensor Body sensor Care unitBANcoordinatord<8mFigure ... NetworkingPowernsumptionTimetIFStIFSPowernsumptionTimetIFStIFSPowernsumptionTimetIFStIFSPowerconsumptionTimetIFStIFSPowerconsumptionTimetIFStIFScococo Body sensor (1) (access) Body sensor (2) (access) Body sensor (3) (data) Body sensor (4) (idle) Body sensor (5) (shutdown)AccessminislotsmFBPDataACK(1)(2)(3)(4)(5)SyncPREARSARSARSFBPDataACKPREARSARSARSFBPDataACKPREARSARSARSFBPDataACKPREARSARSARSFBPDataACKPREFBPPREFBPPREFBPPREFBPPREFBPPREARSARSARSChip ... patientswearing several body sensors (see Figure 1). Communicationfrom body sensors to BAN coordinator (uplink), fromBAN coordinator to body sensors (downlink), or even from body sensor to body sensor (ad...

Báo cáo hóa học: "Research Article Development of a Testbed for Wireless Underground Sensor Networks" ppt

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... properlycited. Wireless Underground Sensor Networks (WUSNs) constitute one of the promising application areas of the recently developed wireless sensor networking techniques. WUSN is a specialized kind of Wireless ... also be applied to generic WSN testbeds.1. Introduction Wireless Underground Sensor Networks (WUSNs) are anatural extension of the wireless sensor network (WSN)phenomenon to the underground environment. ... evaluation of wireless underground-to-underground communication in wireless underground sensor networks, ” in Proceedings of the 5th IEEEInternational Conference on Distributed Computing in Sensor Systems...

Báo cáo hóa học: "Research Article On PHY and MAC Performance in Body Sensor Networks" pptx

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FED: FUZZY EVENT DETECTION MODEL FOR WIRELESS SENSOR NETWORKS pptx

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... algorithm for wireless sensor networks, ” International Journal of Wireless & Mobile Networks (IJWMN), vol.2, no.3, August 2010. International Journal of Wireless & Mobile Networks (IJWMN) ... European Workshop on Wireless SensorNetworks (EWSN 2004), Jan. 2004. [30] S. Soro and W. B. Heinzelman, “Cluster head election techniques for coverage preservation in wireless sensor networks, ” Ad ... Dulman, “DEC: Diversity based energy aware clustering for heterogeneous sensornetworks,” Ad Hoc and Sensor Wireless Networks (Accepted). [26] H. TabatabaeeMalazi, K. Zamanifar, A. Pruteanu,...

Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx

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... Cayirci,“A survey on sensor networks, ” IEEE Communications Maga-zine, vol. 40, no. 8, pp. 102–114, 2002.[2] T. Kavitha and D. Sridharan, “Security vulnerabilities in wireless sensor networks: a survey,” ... Journal on Wireless Communications and NetworkingVolume 2010, Article ID 910695, 10 pagesdoi:10.1155/2010/910695Research ArticleTreeBasedProtocolforKeyManagementin Wireless Sensor Networks M ... properly cited.Securing a wireless communication has generally a vital importance, particularly when this communication is in a hostileenvironment like in wireless sensor networks (WSNs). The problem...

Báo cáo hóa học: " Research Article Random Field Estimation with Delay-Constrained and Delay-Tolerant Wireless Sensor Networks" pptx

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... in wireless sensor networks, ”IEEE/ACM Transactions on Networking, vol. 14, no. 2, pp. 316–329, 2006.[3] S. C. Draper and G. W. Wornell, “Side information awarecoding strategies for sensor networks, ” ... energy-eﬃcient wireless sensor networks, ” IEEETransactions on Mobile Computing, vol. 6, no. 7, pp. 790–802,2007.[7] A. Dogandˇzi´c and K. Qiu, “Decentralized random-ﬁeldestimation for sensor networks ... AP2007-01654).References[1] I. F. Akyildiz, W. Su, Y. Sankarasubramaniam, and E. Cayirci, Wireless sensor networks: a survey,” Computer Networks, vol.38, no. 4, pp. 393–422, 2002.[2] M. C. Vuran and I. F. Akyildiz,...

Báo cáo hóa học: "Research Article A High-Accuracy Nonintrusive Networking Testbed for Wireless Sensor Networks" pptx

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... exactly and more deeply we under-stand wireless sensor networks. However, the network testingis challenge for wireless sensor networks. Wireless sensor networks are distributed resource-constrained ... over the wireless links of the wireless sensor networkitself. The other is to transfer the test data over additional networks. For the former category, the bandwidth of the wireless sensor networks ... in such networks due to the constrained resource, thedynamics of wireless communications, the frequent failuresof sensor nodes and the variety of the applications for wireless sensor networks. Some...

Báo cáo hóa học: "Research Article Low-Complexity One-Dimensional Edge Detection in Wireless Sensor Networks" ppt

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... 6 EURASIP Journal on Wireless Communications and NetworkingMMSESimpliﬁed00510D15200.1 0.2 0.3p0.4 0.5SNR sensor = −10 dBSNR sensor = 0dBSNR sensor = 10 dBFigure 3: Distance, ... on Wireless Communications and NetworkingVolume 2010, Article ID 751520, 13 pagesdoi:10.1155/2010/751520Research ArticleLow-Complexity One-Dimensional Edge Detection in Wireless Sensor Networks Marco ... may place a linear sensor network surrounding thisarea: in the example in Figure 1(a) there are six sensors.(In the remainder of this paper, by sensor we will denotethe wireless transceiver...

Báo cáo hóa học: " Research Article Distributed KDC-Based Random Pairwise Key Establishment in Wireless Sensor Networks" pptx

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... control for utility-lifetime tradeoﬀ in wireless sensor networks, ” Computer Networks, vol. 53, no. 18, pp.3031–3041, 2009.[4] Crossbow Technology, “MICA2: Wireless measurement sys-tem,” https://www.eol.ucar.edu/rtf/facilities/isa/internal/Cro-ssBow/DataSheets/mica2.pdf.[5] ... Harn, “Location-aware key management scheme for wireless sensor networks, ”in Proceedings of the ACM Workshop on Security of Ad Hoc and Sensor Networks (SASN ’04), pp. 29–42, October 2004.[17] ... encryptionoverhead for sensor network nodes,” in Proceedings of the 2ndACM International Workshop on Wireless Sensor Networks andApplications (WSNA ’03), pp. 151–159, September 2003.EURASIP Journal on Wireless...

Báo cáo hóa học: "Research Article Efﬁcient Path Key Establishment for Wireless Sensor Networks" ppt

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... algorithm iswell suited for use in wireless sensors networks. REFERENCES[1] I. F. Akyildiz, W. Su, Y. Sankarasubramaniam, and E. Cayirci,“A survey on sensor networks, ” IEEE Communications Maga-zine, ... Karlof and D. Wagner, “Secure routing in wireless sensor networks: attacks and countermeasures,” in Proceedings of the1st IEEE International Workshop on Sensor Network Protocolsand Applications ... on-demandpath-key establishment framework via random key predis-tribution for wireless sensor networks, ” EURASIP Journal on Wireless Communications and Networking, vol. 2006, ArticleID 91304, 10 pages,...

Báo cáo hóa học: " Research Article An Efﬁcient Multibit Aggregation Scheme for Multihop Wireless Sensor Networks" pptx

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... for wireless microsensor networks, ” IEEE Transactions on Wireless Com-munications, vol. 1, no. 4, pp. 660–670, 2002.[20] G. Ferrari and M. Martal´o, “Extending the lifetime of sensor networks ... and M.Welsh, “Monitoring volcanic eruptions with a wireless sensor network,” in Proceedings of the 2nd European Workshop on Wireless Sensor Networks (EWSN ’05), pp. 108–120, Istanbul,Turkey, ... E. Cayirci,“A survey on sensor networks, ” IEEE Communications Maga-zine, vol. 40, no. 8, pp. 102–105, 2002.[2] S. Borbash, Design consideration in wireless sensor networks, Ph.D. dissertation,...

Báo cáo hóa học: " Research Article Dynamic Session-Key Generation for Wireless Sensor Networks" ppt

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... 2008Recommended by Jong Hyuk ParkRecently, wireless sensor networks have been used extensively in diﬀerent domains. For example, if the wireless sensor node of a wireless sensor network is distributed in ... necessary to make use of secure transmissionon wireless sensor networks. However, there are obviousrestrictions on the resources of wireless sensor networks. The restrictions on the CPU are obvious, ... 3.Step 1. When a new sensor node is joined to the wireless sensor networks, the sensor node make use of Ksito encryptthe preset parameters ajand Kmsgwith the IDsjof the sensor node; a complete...

Báo cáo hóa học: " Research Article A Multievent Congestion Control Protocol for Wireless Sensor Networks" pptx

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... and E. Cayirci, Wireless sensor networks: a survey,” Computer Networks, vol.38, no. 4, pp. 393–422, 2002.[2] D. Culler, D. Estrin, and M. Srivastava, “Overview of sensor networks, ” Computer, ... for wireless sensor networks, ”IEEE Network, vol. 20, no. 3, pp. 34–40, 2006.[10] C. Wang, K. Sohraby, V. Lawrence, B. Li, and Y. Hu, “Priority-based congestion control in wireless sensor networks, ” ... Moscibroda, “The worst-case capacity of wireless sensor networks, ” in Proceedings of the 6th Internat ional Symposiumon Information Processing in Sensor Networks (IPSN ’07),pp.1–10, Cambridge,...