FED: FUZZY EVENT DETECTION MODEL FOR WIRELESS SENSOR NETWORKS pptx

... similar approach. K EYWORDS Wireless sensor networks, Composite event detection, Fuzzy event detection (FED), Heterogeneity, Uncertainty 1. I NTRODUCTION Event detection is a popular service ... have introduced a fuzzy model called FED for distributed detection of composite events. FED supports the heterogeneity of sensor types. To perform distributed dete...

Ngày tải lên: 30/03/2014, 16:20

... C-MAC: Model- driven Concurrent Medium Access Control for Wireless Sensor Networks Mo Sha 1 ; Guoliang Xing 2 ; Gang Zhou 3 ; Shucheng Liu 1 ; ... perfor- mance gain over B-MAC. C-MAC outperforms B-MAC even when there is only one link. C-MAC performs one traffic snoop- ing and RTS/CTS exchange for a block of packets while a CCA is needed for ... simulation- based MACs, C-MAC is de...

Ngày tải lên: 01/09/2013, 15:23

... and challenges in wireless sensor networks. We identify the security threats, review proposed security mechanisms for wireless sensor networks. Keywords: Wireless Sensor Networks (WSNs), ... deployment environments of wireless sensor networks make security for these systems more challenging than for conventional networks. However, several properties of se...

Ngày tải lên: 05/03/2014, 23:20

... protocol for wireless sensor networks, ” in Proc. ACM WSNA, Atlanta, GA, Sep. 2002, pp. 1–11. [13] J. Zhao and R. Govindan, “Understanding packet delivery performance in dense wireless sensor networks, ” ... Transport in Wireless Sensor Networks Özgür B. Akan, Member, IEEE, and Ian F. Akyildiz, Fellow, IEEE Abstract Wireless sensor networks (WSNs) are event- based syst...

Ngày tải lên: 16/03/2014, 19:20

... 1536-1268/03/$17.00 © 2003 IEEE SENSOR AND ACTUATOR NETWORKS Event- Based Motion Control for Mobile- Sensor Networks I n many sensor networks, considerably more units are available than necessary for simple coverage ... the entire event history or the locations of all other sensors. We assume that at least one sensor can sense each event and broadcast the event locatio...

Ngày tải lên: 30/03/2014, 16:20

... WIRELESS SENSOR NETWORKS Kỹ Thuật, Giao Thức và Ứng Dụng GVHD: Thầy VƯƠNG PHÁT SVTH : ðỖ DUY TÂN Tháng 8/2009 ðại Học Bách Khoa TPHCM Wireless Sensor Networks Bộ ... Khả năng xử lý dữ liệu ở các node chuyển tiếp • Mạng phức tạp ðại Học Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 100 Hình 6....

Ngày tải lên: 25/04/2013, 19:19

... Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 42 Chương 5 GIAO THỨC ðIỀU KHIỂN TRUY CẬP TRONG MẠNG WIRELESS SENSOR NETWORKS Mạng ... - Node B nằm trong vùng bao phủ của node A và C. Node D nằm ðại Học Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 41 Hì...

Ngày tải lên: 21/01/2014, 04:20

... then 8: Update bracketing instances for index j 9: end if 10: end if 11: end for 12: for each j ∈ c do 13:  :=  ∪ {bracketing instances from j} 14: end for 15: Output: bracketing instances ... VP on the right, therefore CBMF is “VP-RC”. 3.3 The Integration of the SDB Model into Phrase-Based SMT We integrate the SDB model into phrase-based SMT to help decoder perform syntax-drive...

Ngày tải lên: 20/02/2014, 07:20

... June 2005. c 2005 Association for Computational Linguistics A Phonotactic Language Model for Spoken Language Identification Haizhou Li and Bin Ma Institute for Infocomm Research Singapore ... acoustic to- kens to form a unified acoustic vocabulary in our voice tokenizer. Readers are referred to (Ma et al. , 2005) for details of acoustic modeling. 3.1 Vector Space Modeling...

Ngày tải lên: 20/02/2014, 15:20