Sponsored White Papers, Webcasts, and Downloads
ZDNet Resources
- A Two-Stage Plug-in Bandwidth Selection and Its Implementation for Covariance Estimation
- The two most popular bandwidth choice rules for kernel HAC estimation have been proposed by Andrews (1991) and Newey and West (1994). This paper suggests an alternative approach that estimates an unknown quantity in the optimal bandwidth for the HAC estimator called normalized curvature using a general class of kernels,...
- Tags: Estimation, Bandwidth, Kernel, Concordia University
- White papers 2008-06-01
- Sevana Vocoders Quality Checker (zip)
- Sevana Vocoders Quality Checker solution for audio codecs quality analysis Sevana Vocoders Quality Checker is a simplified implementation of Sevana's solution for audio codecs quality analysis software. Voice coders vocoders quality is usually measured according to a mean subjective estimation - MOS Mean Opinion Score. This software provides automatic audio...
- Tags: Estimation, Codec, Sevana Oy
- Software downloads 2008-04-09
- pathChirp: Efficient Available Bandwidth Estimation for Network Paths
- This paper presents pathChirp, a new active probing tool for estimating the available bandwidth on a communication network path. Based on the concept of "Self-induced congestion," pathChirp features an exponential flight pattern of probes one calls a chirp. Packet chips offer several significant advantages over current probing schemes based on...
- Tags: Estimation, Rice University, Bandwidth, Network, pathChirp, Networking
- White papers 2008-01-01
- Image: Illustrating Ohio's e-voting problems
- Chart created by two Ohio residents shows how to reconstruct a supposedly secret ballot.Two Ohio residents have created this chart to show how to reconstruct a supposedly secret ballot.One data source is a list of voter names sorted by the order in which they voted. The second data source is...
- Tags: Ohio, data source, ballot, estimation, e-voting
- Image galleries 2007-08-20
- Estimation of RTT and Bandwidth for Congestion Control Applications in Communication Networks
- Heterogeneous communication networks with their variety of application demands, uncertain time-varying traffic load, and mixture of wired and wireless links pose several challenging problem in modeling and control. This paper focuses on the Round-Trip Time RTT, which is a particularly important variable for efficient end-to-end congestion control, and on bandwidth...
- Tags: Estimation, Algorithm, Bandwidth, Network, Congestion, RTT, Engineering, Networking
- White papers 2007-08-04
- PMPal (exe)
- PMPal is a fully collaborative tool that assists senior management, project managers, SEPG/QA department, project office in executing their functions more efficiently. It consists of the modules of software estimation(software size, effort, cost and schedule estimation), WBS, Defect Manager, Change Manager, Time Sheet, and Metrics & Reports. It goes beyond...
- Tags: Software, Estimation, Consultant, PMPal, Tools & Techniques, Productivity, Management
- Software downloads 2007-07-04
- Application Architecture Essentials, Part 8: Estimate Your Application Development Project
- IT architects are often involved in estimating software development projects, and estimation is a major contributor to the potential success or failure of a project. Many factors can affect the development of time lines and schedules. In this paper, learn about estimation methods, get suggestions for ways to improve estimation,...
- Tags: Software, Estimation, Application Development, IT Architect, Software Development, Development Tools, Tools & Techniques, Software/Web Development, Management
- White papers 2007-06-19
- A Cross-Correlation Approach for Improved Timing Estimation in OFDM Broadcasting Systems
- A computationally simple cross-correlation based approach for improving timing estimation and frame detection performance in OFDM systems is proposed. The new technique requires only one pilot symbol and this can be used further for frequency-offset estimation, by employing standard available techniques. Simulation results show that the proposed approach performs more...
- Tags: Estimation, Technique, OFDM, Productivity, Wireless
- White papers 2006-06-14
- Comparison of Available Bandwidth Estimation Techniques in Packet-Switched Mobile Networks
- The relative contribution of the transport network towards the per-user capacity in mobile telecommunication systems is becoming very important due to the ever increasing air-interface data rates. Thus, resource management procedures such as admission, load and handover control can make use of information regarding the available bandwidth in the transport...
- Tags: Estimation, Technique, Bandwidth, IEEE, Productivity, Telephony, Telecom & Utilities, Telecommunications, Networking
- White papers 2006-06-12
- FPAPal (zip)
- Software tool that assists in estimation of software size, effort, cost, and duration schedule estimation using FPA Function Point Analysis technique. The schedule generated can be exported via MS-Excel. Compliant with IFPUG. Its intuitive user interface makes it very easy to master and use it effectively.
- Tags: Estimation, Consultant, Productivity, Tools & Techniques, Management
- Software downloads 2006-05-30
- Service-Oriented Grid Computation for Large-Scale Parameter Estimation in Complex Environmental Modeling
- Complex environmental modeling often involves a large number of unknown physical and ecological parameters. Parameter estimation is one of the most difficult steps in many modeling activities. In this paper, the authors present a service-oriented framework, named GGPE-G (Grid-enabled Global optimization for General Parameter Estimation), for efficient parameter estimation in...
- Tags: Estimation, Association For Computing Machinery, Modeling, Parameter Estimation, Research & Development, Business Operations
- White papers 2006-04-27
- The Estimation of Sensitivity and Specificity of Clustered Binary Data
- This paper reviews a methodology for the estimation of sensitivity and specificity of non-clustered binary data patient level analysis and presents a methodology for the estimation of sensitivity and specificity that considers the patient as a cluster and the coronary arteries or coronary artery segments as the Diagnostic Units Of...
- Tags: Specificity, Estimation, SAS Institute, Sensitivity
- White papers 2006-02-28
- An Interleaved HMM/DTW Approach to Robust Time Series Clustering
- This paper introduces an approach for model-based sequence clustering that addresses several drawbacks of existing algorithms. The approach uses a combination of Hidden Markov Modeling HMM for sequence estimation and Dynamic Time Warping DTW for hierarchical clustering, with interlocking steps of model selection, estimation and sequence grouping. The paper also...
- Tags: Estimation, Algorithm, Clustering, Engineering
- White papers 2006-01-27
- Very Fast Optimal Bandwidth Selection for Univariate Kernel Density Estimation
- Most automatic bandwidth selection procedures for kernel density estimates require estimation of quantities involving the density derivatives. Estimation of modes and inflexion points of densities also require derivative estimates. The computational complexity of evaluating the density derivative at M evaluation points given N sample points from the density is OMN....
- Tags: Estimation, Engineering, Financial Services
- White papers 2005-12-20
- Consistent Image-Based Measurement and Classification of Skin Color
- Little prior image processing work has addressed estimation and classification of skin color in a manner that is independent of camera and illuminant. To this end, the paper first presents new methods for fast, easy-to-use image color correction, with specialization toward skin tones, and fully automated estimation of facial skin...
- Tags: Estimation, Hewlett-Packard Co., Classification
- White papers 2005-09-26
- Joint Channel Estimation and Prediction for OFDM Systems
- Adaptive OFDM improves the system throughput by adjusting transmission parameters based on Channel State Information CSI estimated at or received by the transmitter. The improvement, however, is conditioned on the quality of the CSI, which can be compromised by estimation and quantization errors, and more significantly by delay. Channel prediction...
- Tags: Estimation, Algorithm, University Of Texas, Adaptive OFDM, Channel Prediction, OFDM, Wi-Fi, Engineering, Wireless
- White papers 2005-08-01
- MUSIC for OFDM by Using an Uniform Antenna Array With Two Elements
- Multicarrier Communication MC has capability of high speed transmission, fading combating, and simplicity of equalization leading to its widely application. Among many MC applications, OFDM Orthogonal Frequency Division Multiplex is a very promising candidate. In addition, problem of DOA Direction Of Arrival estimation using MUSIC algorithm is solved for point...
- Tags: Estimation, Algorithm, Music, Multicarrier Communication, OFDM, Engineering, Wireless
- White papers 2005-06-16
- Adaptive Channel SVD Estimation for MIMO-OFDM Systems
- In this paper an adaptive estimation algorithm for channel matrix singular value decomposition SVD in multiple-input multiple-output MIMO orthogonal frequency division multiplexing OFDM systems is proposed. The SVD method is an efficient approach to design space-time coding/decoding and detection algorithms in MIMO-OFDM systems. However, the SVD estimation may involve complex...
- Tags: Estimation, Algorithm, MIMO-OFDM, University Of Toronto, Singular Value Decomposition Method, OFDM, Engineering, Wireless
- White papers 2005-05-07
- Bandwidth Estimation and Robust Video Streaming Over 802.11e Wireless LANs
- Streaming high quality Audio/Video AV from home media sources to TV sets over a Wireless Local Area Network WLAN is a challenging problem because of the fluctuating bandwidth caused by interference. The approach discussed in this paper is to adjust the video bit-rate dynamically in order to improve the experienced...
- Tags: Estimation, Georgia Institute Of Technology, Bandwidth, QoS, Streaming Video, WLAN, LANs, Web Site Development, Wireless LANs, Web Technology, Digital Video, Wi-Fi, Wireless, Networking, Internet, Personal Technology
- White papers 2005-04-30
- Early Estimation of Software Quality Using In-Process Testing Metrics: A Controlled Case Study
- In industrial practice, information on post-release field quality of a product tends to become available too late in the software development process to affordably guide corrective actions. An important step towards remediation of this problem of late information lies in the ability to provide an early estimation of software post-release...
- Tags: Software, Estimation, Tools & Techniques, Software Development, Management, Software/Web Development
- White papers 2005-03-31
White Papers and Webcasts
In this Super Techies interview, larger-than-life techie Marc Canter talks with ZDNet's Editor in Chief Dan Farber about his career as a multimedia pioneer.
According to a new study from the Economist, future success belongs to those who collaborate effectively. Learn how successful collaboration can improve profits, problem-solving, and competitive differentiation.
Designed specifically to address the concerns of senior IT managers at organizations with more than 100 employees, the Intel Premier IT Professional Program provides best practices via local and e-Seminars and a members-only Web site.
