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Halim Yanikomeroglu halim@scerleton scerleton/faculty/yanikomeroglu.html

Infrastructure-Based Wireless Multihop, Relay, Mesh Networks. Halim Yanikomeroglu halim@sce.carleton.ca www.sce.carleton.ca/faculty/yanikomeroglu.html. Broadband Communications & Wireless Systems (BCWS) Centre Department of Systems & Computer Engineering Carleton University Ottawa. D. R.

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1.48k views • 130 slides

Two Tier Secure Routing Protocol for Heterogeneous Sensor Networks

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, VOL. 6, NO. 9, SEPTEMBER 2007. Two Tier Secure Routing Protocol for Heterogeneous Sensor Networks. Xiaojiang Du, Member, IEEE, Mohsen Guizani, Senior Member, IEEE, Yang Xiao, Senior Member, IEEE, and Hsiao-Hwa Chen, Senior Member, IEEE.

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586 views • 46 slides

Lecture 9

Lecture 9. Unconstrained Optimization. Need to maximize a function f( x ), where x is a scalar or a vector. x = (x 1 , x 2 ) f( x ) = -x 1 2 - x 2 2 f(x) = -(x-a) 2 f(x) = x. Gradient Search Techniques. Suppose f( x ) is differentiable, i.e., ? f( x ) exists. .

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458 views • 31 slides

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Globecom - PowerPoint PPT Presentation

Halim Yanikomeroglu halim@scerleton scerleton/faculty/yanikomeroglu.html

Two Tier Secure Routing Protocol for Heterogeneous Sensor Networks

Lecture 9