Báo cáo hóa học: " Research Article Wireless Mesh Networks to Support Video Surveillance: Architecture, Protocol, and Implementation Issues" potx

... Wireless Communications and Networking Volume 2007, Article ID 31976, 13 pages doi:10.1155/2007/31976 Research Article Wireless Mesh Networks to Support Video Surveillance: Architecture, Protocol, ... paper is to present an experience of implementation of a large-scale video- surveillance system based on a wireless mesh network infr astructure, discussing...

Ngày tải lên: 22/06/2014, 19:20

... transmission bands used by Z-Wave devices are the 868 MHz band in Europe and the 908 MHz band in USA. The Z-Wave communication protocol is a low-bandwidth half- duplex protocol designed to guarantee ... Zigbee networks is shown. In particular, an ex- ample with 10 RFDs (referred to as “Sensor wpan”) and 1 coordinator (referred to as “Monitor wpan”) is pictured. The task of the mon...

Ngày tải lên: 22/06/2014, 22:20

... ut  k  and ut − k  represent the right and left limits of ut at t  t k . Fractional differential equations have proved to be an excellent tool in the mathematic modeling of many systems and ... equations with time-varying generating operators and nonlocal conditions. To the best of our knowledge, few papers exist in the literature devoted to the antiperiodic boundary valu...

Ngày tải lên: 21/06/2014, 05:20

... 3.10 which is equivalent to 3.4. Hindawi Publishing Corporation Journal of Inequalities and Applications Volume 2010, Article ID 948430, 17 pages doi:10.1155/2010/948430 Research Article Generalization ... Pe ˇ cari ´ c, F. Proschan, and Y. L. Tong, Convex Functions, Partial Orderings, and Statistical Applications, vol. 187 of Mathematics in Science and Engineering, Academ...

Ngày tải lên: 21/06/2014, 07:20

... 15 ±2.5 ◦ and 175 ±2.5 ◦ . The findings correspond to current histological and microscopy data on the fibrous structure of aortic tissue, and therefore the eigenvector maps and fibre tractography appear to ... local diffusion and may be indicators of fibre directions in specific regions of the vessel. To establish fibre directions more conclusively, fibre trac- tography needs to be...

Ngày tải lên: 21/06/2014, 19:20

... Bhaskaran and K. Konstantinides, Image and Video Com- pression Standards: Algorithms and Architectures,KluwerAca- demic Publishers, Boston, Mass, USA, 1997. [33] A. C. Downton, R. W. S. Tregidgo, and ... communication [18]forarraytokens. The request function is blocking and waits until a token is available. The read and write functions allow random access to the current token....

Ngày tải lên: 22/06/2014, 19:20

... Evaluation of Wireless Ad Hoc, Sensor, and Ubiquitous Networks (PE-WASUN ’06), pp. 48–57, October 2006. [27] W. B. Heinzelman, A. P. Chandr akasan, and H. Balakrishnan, “An application-specific protocol ... Marshall, and X. H. Peng, “Radio range adjustment for energy efficient wireless sensor networks, ” Ad Hoc Networks, vol. 4, no. 1, pp. 75–82, 2006. [44] N. Vlajic and D. Xia,...

Ngày tải lên: 21/06/2014, 11:20

... Journal on Wireless Communications and Networking Volume 2011, Article ID 628747, 7 pages doi:10.1155/2011/628747 Research Article Wireless Information-Theoretic Security in an Outdoor Topology ... from the OLOS and NLOS topologies examined in this paper, interference from other operating networks in the same frequency needs to be taken into consideration in the SNR denomina...

Ngày tải lên: 21/06/2014, 11:20

... borrowed from or given to the token bank. As tokens are generated at rate r i , the tokens overflowing from the token pool (of size p i bytes) are added to the token bank, and E i is incremented by ... is less than its token generation rate, the token pool always has enough tokens to serve arriving packets, and E i increases and becomes positive and increasing. On the other hand,...

Ngày tải lên: 21/06/2014, 23:20

... indi- vidual. Fortunately, researchers and system developers are begin- ning to focus on monitoring activities with in-home sensor networks to complement such reminder systems. In order to overcome the ... wireless sensors and non-intrusive wireless in-home monitoring system to collect and label the data from activities of daily living,” in Proceedings of the 3rd Internati...

Ngày tải lên: 22/06/2014, 19:20