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TechRepublic Resources
- Project Estimation
- The CS/10,000 project estimation tool suite allows you to generate, manage, and validate estimates of effort for a wide variety of projects. The estimation method uses proprietary AI technology to provide both task and effort based estimation for your project.
- Tags: Estimation, Client-server, Tool, Productivity, Servers, Hardware
- White papers
- Blind Estimation of the Carrier Frequency Offset in OFDM Systems
- This paper presents a novel approach for carrier frequency offset estimation in OFDM systems. Before they enter the OFDM system, the information bearing symbols are segmented into blocks so that each even indexed block shares one common symbol with the previous block. This redundancy allows for the frequency offset estimation...
- Tags: Estimation, OFDM, Wireless
- White papers
- Estimation of Frequency Selectivity for OFDM Based New Generation Wireless Communication Systems
- In this paper, estimation of both global long term and local instantaneous frequency selectivity and rms delay spread of wireless communication channel are investigated. A practical algorithm for averaged channel frequency correlation estimation, which is used for measuring frequency selectivity, is given. Average rms delay spread of the channel is...
- Tags: Estimation, Wireless Communication, Frequency Selectivity, Wi-Fi, Wireless, OFDM
- White papers
- Doppler Spread Estimation for Wireless OFDM Systems
- This paper presents a method for estimating the Doppler spread in mobile Orthogonal Frequency Division Multiplexing OFDM systems. The estimation is based on finding the autocorrelation function of time domain channel estimates over several OFDM symbols. In OFDM systems channel estimation is popularly performed in frequency domain. Channel frequency response...
- Tags: Estimation, Estimate, OFDM, Wireless
- White papers
- MIPS Cost Estimation for OFDM-VBLAST Systems
- The focus of this paper is to investigate the feasibility of using programmable DSP processors for MIMO based radio systems. Several detection algorithms were evaluated and MIPS costs for low complexity detection and channel estimation algorithms for OFDM-VBLAST MIMO systems where calculated. Based on the MIPS cost estimation a feasible...
- Tags: Estimation, Radio, MIMO, Feasibility, Advertising & Promotion, Engineering, Marketing
- White papers
- Comparing Estimated With Actual Efforts for a Dynamic Methodology Used by a Small Software Company
- This paper compares effort estimations against their actual values for a software development organization that uses a dynamic type of methodology. This methodology follows an object-oriented approach, is driven by a set of written requirements but does not include strict milestones. The methodology can be adapted depending on the size...
- Tags: Software, Estimation, University Of New South Wales, Methodology, Tools & Techniques, Software Development, Management, Software/Web Development
- White papers
- Generic Reduced-Complexity MMSE Channel Estimation for OFDM and MC-CDMA
- A performance of the decision-directed channel estimation scheme in the context of both OFDM and MC-CDMA systems is analyzed. A difficulty associated with the employment of the LS approach to the problem of a posteriori estimation in the context of a MC-CDMA system is described and a suitable MMSE-based estimator...
- Tags: Estimation, OFDM, Wireless
- White papers
- Use Case Based Estimation
- For the average develop manager who often do not have the time and resources to do a proper function point count or other estimation this paper offers a basic estimation method using a use case based approach. This idiot's guide to the idiot's guide of estimation is a quick approach...
- Tags: Estimation, Use Case, Software Development, Software/Web Development
- White papers
- CDMA Sparse Channel Estimation Using a GSIC/AM Algorithm for Radiolocation
- This paper considers channel parameter estimation in a sparse channel environment for radiolocation. The Generalized Successive Interference Cancellation GSIC algorithm is used to eliminate the Multiple Access Interference MAI. To adapt GSIC to sparse channels the Alternating Maximization AM algorithm is considered and the continuous time delay of each path...
- Tags: Estimation, Algorithm, CDMA, University Of California, Generalized Successive Interference Cancellation Algorithm, Engineering
- White papers
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
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