Báo cáo hóa học: " Efficient integration of secure and safety critical industrial wireless sensor networks" doc

... Efficient integration of secure and safety critical industrial wireless sensor networks. EURASIP Journal on Wireless Communications and Networking 2011 2011:100. Submit your manuscript to a journal and ... framework with a proof -of- concept implementa tion using Profisafe, Profinet IO, and WirelessHART using an industrial control system. The integration metho...

Ngày tải lên: 20/06/2014, 22:20

... between x i and x j . Denote that the numbers of sensors in A and B are N A and N B . For any x i ∈ A and x j ∈ B, if d(x i , x j ) ≤ √ 3r s , then the connection value between x i and x j is ... that of CPA, the number of working nodes by our CDSWS is thereby smaller that that of CPA. 27 CDSWS: coverage-guaranteed distributed sleep/wake scheduling for wireless sensor ne...

Ngày tải lên: 21/06/2014, 17:20

... various possible values of I d and c of sensors, Table 1 shows the maximum number of entries in a recovery table (β = 0.4). Considering that the memory capacity of today’s sensor node is typically ... D. Culler, and J. An- derson, Wireless sensor networks for habitat monitoring,” in Proceedings of the 1st ACM International Workshop on Wireless Sensor Networks and Appl...

Ngày tải lên: 22/06/2014, 19:20

... composed of a set of low-end data-gathering sensor nodes and high-end data- collection sensor nodes. In kinds of network, data-collection sensor nodes collect the data about a physical phenomenon and ... dis- tributed wireless sensor networks,” in Proceedings of 1st An- nual IEEE Communications Society Conference on Sensor and Hindawi Publishing Corporation EURASIP J...

Ngày tải lên: 22/06/2014, 22:20

... Department of Electronics and Infor- mation in Huazhong University of Science and Technology, China, as a Ph.D. candi- date. His current research interests include wireless sensor network, wireless ... Department of Electrical and Computer Engineering. His re- search interests are in mobile systems and wireless networks. He is a Fellow of IEEE and a Voting Member of...

Ngày tải lên: 22/06/2014, 23:20

... the angular speed of the mobile; a biaxial accelerometer to count the number of steps, and to detect if it is moving or not; and the last sensor is an atmospheric pressure sensor, used in detecting ... http://www.scubageek.com/geek/ar- ticles/wwwatm.html. [25] M. Robinson and I. Psaromiligkos, “Received signal strength based location estimation of a wireless LAN client,” in P...

Ngày tải lên: 22/06/2014, 23:20

... reports and likely reflects a combination of con- stitutive endocytosis [31] and antibody-induced, ligand- independent endocytosis of CXCR4 [17]. HA-CXCR4 that was internalized in the absence of SDF-1 ... downregulation of other receptors is sensitive to HIV-1 Gag expression, we have now investi- gated the kinetics of lysosomal downregulation of CD4 and CXCR4, in the presenc...

Ngày tải lên: 20/06/2014, 01:20

... 2002. [2] C. Karlof and D. Wagner, Secure routing in wireless sensor networks: attacks and countermeasures,” in Proceedings of the 1st IEEE International Workshop on Sensor Network Protocols and Applications ... 8(b)) structure and the medium access control (MAC) command frame (Figure 8(c)) of 802.15.4 [16] protocol are used to to send the sensor node ID list and reques...

Ngày tải lên: 21/06/2014, 22:20

... setup, and assumptions. The network comprises of non-mobile wireless sensor nodes and a sink. We define the nodes as event reporting (E-REP), routing (E-R), reporting and routing (E-REP-R), and idle ... presented. Congestion detection and avoidance (CODA) in sensor networks [3] uses open-loop and closed-loop mechanisms to handle congestion which is detected on the basis of...

Ngày tải lên: 21/06/2014, 23:20

... power level of in-body nodes. For critical and noncritical medical traffic, the IEEE 802.15.4 has several power consumption and QoS issues [28–31]. Also, this standard operates in 2.4 GHz band, which ... develop a smart and affordable health care system and can be a part of diagnostic procedure, maintenance of chronic condition, and super- vised recovery from a surgical procedu...

Ngày tải lên: 21/06/2014, 23:20