Báo cáo hóa học: " Research Article Scalable Coverage Maintenance for Dense Wireless Sensor Networks" doc

... N  ac- tive sensors make decisions before the other sensors, and thus no beacon is received by these N  sensors. Therefore, TURNOFF beacons are only exchanged among the (N −N  ) sensors. For the ith sensor ... on sensor network cov- erage. Section 6 concludes the paper. 2. SCALABLE COVERAGE MAINTENANCE (SCOM) 2.1. Assumptions We assume that sensors are static and each sensor...

Ngày tải lên: 22/06/2014, 19:20

... Journal on Wireless Communications and Networking Volume 2011, Article ID 401802, 20 pages doi:10.1155/2011/401802 Research Article Opportunistic Data Collection in Sparse Wireless Sensor Networks Jorge ... “Clock synchronization for wireless sensor networks: a survey,” Ad Hoc Networks, vol. 3, no. 3, pp. 281–323, 2005. [15] J. M. Soares, B. Gonc¸alves, and R. Rocha, “Power...

Ngày tải lên: 21/06/2014, 11:20

... that one sensor is statistically correlated with its closest sensors, which is generally true for most event-region detection scenarios where the sensors are densely distributed. As for φ, it ... Advances in Signal Processing Volume 2008, Article ID 287870, 7 pages doi:10.1155/2008/287870 Research Article Distributed Event-Region Detection in Wireless Sensor Networks Jun Fang...

Ngày tải lên: 22/06/2014, 19:20

... these matrices for the inverse transformation. Experimental results presented in [15] showed that the V- transform had a slightly better R-D performance than the U-transform. Therefore, for the actual ... China for internship. From 2005 to 2006, she was a Postdoctoral Researcher in the French National Institute for Research in Computer Science and Control (INRIA-IRISA), France. She...

Ngày tải lên: 22/06/2014, 20:20

... which is depicted in Figure 8. Form Figure 8 we observe that the appr.I inference has a much higher KL divergence, averaging at 0.3933 for forward pass and 1.1727 for backward, than that of the ... appr.II inference, averaging at 0.0127 for forward pass and 0.0129 for backward. Moreover, the KL divergence of appr.I inference has much more spikes than that of appr.II, both in forward a...

Ngày tải lên: 21/06/2014, 05:20

... the performance here is similar to the scheme in [7] where a naive AF protocol was considered. A similar trend holds for the performance in the UL in Figure 5. Recall that the decode and forward ... signals to the relays, forming an interference channel; and in the second phase, the relays forward the signals to the base stations, which cooperate to perform joint processing to form a multip...

Ngày tải lên: 21/06/2014, 08:20

... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2010, Article ID 386319, 8 pages doi:10.1155/2010/386319 Research Article Dynamic Object Tracking Tree in Wireless Sensor Network Min-Xiou ... microsensing technologies and low-energy cost sensors have made wireless sensor networks possible. Object tracking is an important research of wireless se...

Ngày tải lên: 21/06/2014, 17:20

... matrix for projection. This matrix can be controlled by the application provider, and therefore the users do not need to carry the matrix (or equivalently a key for matrix generation) for verification. ... Journal on Advances in Signal Processing Volume 2009, Article ID 260148, 16 pages doi:10.1155/2009/260148 Research Article Sorted In dex Numbers for Privacy Preserving Face Rec...

Ngày tải lên: 21/06/2014, 20:20

... normal procedures for a correct Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2009, Article ID 567875, 9 pages doi:10.1155/2009/567875 Research Article Jitter ... Praat seems to present, for a noisy environment, more accurate results; this fact is also described in literature [6]. For evaluation on DB02, the best performance goes for the...

Ngày tải lên: 21/06/2014, 20:20

... commute weakly for any f ∈F. I f for each f ∈F d  f  u  ,x  ≤ d  u, x  for each x ∈ Fix  F  ,u∈ ∂ C  T  x  , 4.1 then there exists an element z ∈ C such that z  fz ∈ Tz for all f ... of those uniformly convex metric spaces for which most of the results in the present work will apply. Definition 2.11. A uniformly convex metric space with the fixed point property for...

Ngày tải lên: 21/06/2014, 20:20