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- Approximation Algorithms for Wireless Sensor Deployment
- This paper develops an integer linear programming formulation to find a minimum cost deployment of sensors so at attain desired coverage of a target point set. Additionally ª-approximation algorithms and a polynomial time approximation scheme are proposed for the case of grid coverage. Experiments demonstrate the superiority of the proposed...
- Tags: Algorithm, University Of Florida, Wireless, Engineering
- White papers 2006-04-21
- Signal-Specialized Parameterization for Piecewise Linear Reconstruction
- This paper proposes a metric for surface parameterization specialized to its signal that can be used to create more efficient, high-quality texture maps. Derived from Taylor expansion of signal error, the metric predicts the signal approximation error - the difference between the original surface signal and its reconstruction from the...
- Tags: Metric
- White papers
- Adaptive OFDM Synchronization Algorithms Based on Discrete Stochastic Approximation
- This paper presents discrete stochastic approximation algorithms DSA for time synchronization in OFDM systems. The paper shows that the discrete stochastic approximation algorithms can be effectively used to achieve a significant reduction in computational complexity compared to brute force maximum-likelihood ML methods for OFDM synchronization. The most important property of...
- Tags: Algorithm, OFDM, Engineering, Wireless
- White papers 2004-03-02
- Buy-at-Bulk Network Design With Protection
- This paper considers approximation algorithms for buy-at-bulk network design, with the additional constraint that demand pairs be protected against edge or node failures in the network. In practice, the most popular model used in high speed telecommunication networks for protection against failures, is the so-called 1+1 model. In this model,...
- Tags: Network, Approximation, Columbia University, Network Design, Networking, Network Administration
- White papers 2007-08-07
- Evaluation of Three CAC Methods: Gaussian Approximation Method, Method of Effective Bandwidth and Diffusion Approximation Method
- The greatly variable requirements of different applications, particularly those of video and data sources, make high demands on the development of traffic control in ATM networks. Connection admission control is a traffic control function which requires knowledge of traffic behavior, switching architecture, etc. and its impact on Quality of Service...
- Tags: Method, Bandwidth, ATM, Network Technology, Networking
- White papers 2006-12-18
- Performance Evaluation of Approximation Algorithms for Multipoint Relay Selection
- In Mobile Ad hoc NETworks MANET, the selection of Multipoint Relays provides an efficient routing scheme for efficient broadcast and shortest-path unicast. As such a selection is NP-hard, a heuristic has been designed and effectively implemented in protocols for MANET such as the Optimized Link State Routing protocol OLSR. This...
- Tags: Algorithm, Selection, Performance, Macquarie University, Performance Evaluation, Performance Management, Team Management, Networking, Human Resources, Workforce Management, Management
- White papers
- Modified Logistic Regression: An Approximation to SVM and Its Applications in Large-Scale Text Categorization
- Logistic Regression LR has been widely used in statistics for many years, and has received extensive study in machine learning community recently due to its close relations to Support Vector Machines SVM and Ad-a-Boost. This paper uses a modified version of LR to approximate the optimization of SVM by a...
- Tags: Carnegie-Mellon University, Approximation, Logistic Regression, Engineering
- White papers 2007-12-01
- A Distributed Algorithm With Linear Convergence for Maximum Lifetime Routing in Wireless Networks
- A wireless sensor network of nodes with limited energy is considered. The problem of computing a routing flow that maximizes the network lifetime is formulated as a linear program. This paper considers a convex optimization problem with a separable objective function that computes an approximate solution to this linear program....
- Tags: Algorithm, Lifetime, Network, Convergence, Wireless Network, Engineering, Wi-Fi, VOIP, Wireless, Networking, Telecommunications
- White papers
- Hierarchical Placement and Network Design Problems
- This paper gives the first constant-approximations for a number of layered network design problems. It begins by modeling hierarchical caching, where caches are placed in layers and each layer satisfies a fixed percentage of the demand bounded miss rates. The paper presents a constant approximation to the minimum total cost...
- Tags: Network, Stanford University, Approximation, Network Design, Network Administration, Networking
- White papers 2007-01-01
- POS: A Practical Order Statistics Service for Wireless Sensor Networks
- Wireless sensor networks are being deployed to monitor a wide range of environments. Since energy efficiency is critical in these deployments, previous work proposed in-network aggregation and approximation techniques to reduce the energy consumed collecting data. In-network aggregation can be used to compute statistics such as max, min, and average...
- Tags: Statistics, Point-of-sale, Network, Sensor, Wireless, Networking
- White papers
- Site Feedback / Error Report
- What is up with this page.http://techrepublic.com.com/5208-6239-0.html?forumID=39&threadID=84548IE gives error: syntax error. Line: 492 etc..You should be able to see the error if you load the link up in IE, FireFox doesnt show the error cause it looks like it's an MS exception.Looking into itWe'll see what we can figure out.
- Tags: Web browsers
- Discussion threads 2006-01-29
- Visual Basic / Word System Error!!
- Hi all,A XPProSP2, MS05-*** patched, Office2K3 user is getting a "System Error &H80004005 (-2147467259). Unspecified Error" error by VB when he tries to open up a .doc that was made in VB.Another error that comes with it is the "Automation Error. Unspecified Error." error.The error comes up when he click...
- Tags: honu95, Microsoft Visual Basic, Microsoft Word, software, System Error
- Q&A 2005-02-12
- Printing problems with Vista
- When trying to print from the internet, I get an error message. I have to convert it to Adobe and print it that way. Anyone else have this problem or know a solution?error messageCan you give a description of the error message that you getError MessageIt is an...
- Tags: Microsoft Windows Vista, megan.sackett@..., error message, printing
- Discussion threads 2007-05-24
- Server Error
- Server ErrorThe following error occurred:[code=SERVER_RESPONSE_RESET] The server response could not be read because of an error. Contact your system administrator. Hey smart people...OK. I'm going to slit my wrists now as I'm tired of this error.I'm on a network, with an Apache server...Our internet keeps on giving this error.Please. Help....
- Tags: Servers, OPEN SOURCE, xzileoutcast@..., server, Server Error
- Discussion threads 2007-06-13
- Script error
- Occasionally when I try to print an email from Microsoft Outlook I get an error messsage that says:Internet explorer script error An error has occured in thr script on this page Line: 1344 Char: 1 Error: Unspecified error Code: 0 URL: res//C:Windowssystem32shdoclc.dll/preview.dlgDo you want to continue running scripts on this...
- Tags: terric@...
- Discussion threads 2007-04-25
- IE Script Error
- Everytime I want to print an Email I get the following Error Message:Internet Explorer Script ErrorLine: 2020Char: 1Error: Unspecified errorCode: 0URL: res://ieframe.dll/preview.dlgHow do I fix this error??Marvin Foxmarv82@comcast.netHere is the fixGo to Start, then Run, and type in regsvr32 ole32.dllThen restart your computer just in...
- Tags: Web browsers, marv82@..., Microsoft Internet Explorer
- Discussion threads 2007-05-03
- Error 1335
- I have downloaded Camtasia Studio. Downloaded okay but on installing the program get "Error 1335 cab file Cabs.w1.cab is corrupt" The suggestions are it could be a network error, reading CD error of error with the package. Any ideas, other than a fresh XP install? Thanks
- Tags: mja@...
- Discussion threads 2007-02-28
- need help i have an error printing
- im having trouble printing and it says that it has a errorline:1828char:1error:unspecified errorcode:0url:res://ieframe.dll/preview.dlg
- Tags: Document management, westcoast14xiv@..., printing
- Discussion threads 2007-03-24
- No more cryptic error messages with PHP custom error handlers
- How's your error handling?Have you used the built-in PHP error handling tools to create your own custom error handler? How do you track down errors in your code?
- Tags: Scripting languages, Mark W. Kaelin
- Discussion threads 2006-09-08
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