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Karlsruhe Institute of Technology
(143 results)-
White Papers
The Ricommander - Rating Recommendations for Corporate Community Portals
March 10, 2010, 12:00am PST
This paper points at the large potentials that corporate community portals can have to support the business model of companies. In particular corporate community portals of the next generation are...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Technical Report: Secure Cloud Computing Through a Separation of Duties
May 18, 2010, 12:00am PDT
Cloud Computing offers many opportunities but also introduces new risks. A user who outsources a database into the Cloud loses control over his data. While the data can be secured against external...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Grid Virtualization Engine: Design, Implementation and Evaluation
October 14, 2009, 12:00am PDT
Virtual machines offer various advantages such as easy configuration, management, development and deployment of computing resources for cyberinfrastructures. Recent advances of employing virtual...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Studienarbeit Parallel Highway-Node Routing
January 15, 2008, 12:00am PST
Highway-Node Routing is a scheme for solving the shortest path problem showing excellent speedups over Dijkstra's algorithm. There also is a dynamic variant that allows changes to the cost...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Combined Data Structure for Previous-And Next-Smaller-Values
February 2, 2011, 12:00am PST
The authors consider the situation where a static array A[1, n] can be preprocessed such that the following three queries can be answered in constant time: previous- and...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Engineering Multilevel Graph Partitioning Algorithms
April 4, 2011, 12:00am PDT
The authors present a multi-level graph partitioning algorithm using novel local improvement algorithms and global search strategies transferred from multigrid linear solvers. Local improvement...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Completeness Theorems With Constructive Proofs for Finite Deterministic 2-Party Functions (full Version)
April 4, 2011, 12:00am PDT
In this paper the authors present simple but comprehensive combinatorial criteria for completeness of finite deterministic 2-party functions with respect to information-theoretic security. They...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Scalable Distributed-Memory External Sorting
October 14, 2009, 12:00am PDT
The authors engineer algorithms for sorting huge data sets on massively parallel machines. The algorithms are based on the multiway merging paradigm. They first outline an algorithm whose I/O...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
A Generative Model for 3D Urban Scene Understanding From Movable Platforms
April 4, 2011, 12:00am PDT
3D scene understanding is key for the success of applications such as autonomous driving and robot navigation. However, existing approaches produce a mild level of understanding, e.g.,...
Provided by Karlsruhe Institute of Technology (KIT)
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Whitepapers
A Declarative Recommender System for Cloud Infrastructure Services Selection
October 6, 2012, 12:00am PDT
The cloud infrastructure services landscape advances steadily leaving users in the agony of choice. Therefore, the authors present CloudRecommender, a new declarative approach for selecting...
Provided by Karlsruhe Institute of Technology (KIT)
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Whitepapers
Hopping Strategies for Adaptive FH-CDMA Ad Hoc Networks Under External Interference
May 24, 2012, 12:00am PDT
The authors discuss the performance of an adaptive FHCDMA ad hoc network under the influence of external interference where node positions are modeled by a homogeneous Poisson point process. The...
Provided by Karlsruhe Institute of Technology
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Whitepapers
ECO/ee: Energy-Aware Collaborative Organic Execution Environment for Wireless Sensor Networks
March 12, 2012, 12:00am PDT
This paper presents an energy-aware execution environment, called Energy-aware Collaborative Organic Execution Environment (ECO/ee), for Wireless Sensor Networks (WSN). ECO/ee provides an...
Provided by Karlsruhe Institute of Technology
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Whitepapers
CloudGenius: Decision Support for Web Server Cloud Migration
April 20, 2012, 12:00am PDT
Cloud computing is the latest computing paradigm that delivers hardware and software resources as virtualized services in which users are free from the burden of worrying about the low-level...
Provided by Karlsruhe Institute of Technology
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Whitepapers
(MC2)2: A Generic Decision-Making Framework and Its Application to Cloud Computing
December 16, 2011, 12:00am PST
Cloud computing is a disruptive technology, representing a new model for Information Technology (IT) solution engineering and management that promises to introduce significant cost savings and...
Provided by Karlsruhe Institute of Technology (KIT)
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Whitepapers
A Virtualized Usage Control Bus System
February 12, 2012, 12:00am PST
Usage control is an extension of access control that additionally defines what must and must not happen to data after access has been granted. The process of enforcing usage control requirements...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Stochastic Nonlinear Model Predictive Control Based on Progressive Density Simplification
September 5, 2012, 12:00am PDT
Increasing demand for nonlinear model predictive control with the ability to handle highly noise-corrupted systems has recently given rise to stochastic control approaches. Besides providing...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Optimal Point Estimates for Multi-Target States Based on Kernel Distances
September 6, 2012, 12:00am PDT
Almost all multi-target tracking systems have to generate point estimates for the targets, e.g., for displaying the tracks. The novel idea in this paper is to consider point estimates for...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Sequence-Based Control for Networked Control Systems Based on Virtual Control Inputs
September 5, 2012, 12:00am PDT
In this paper, the authors address the problem of controlling a system over an unreliable UDP-like network that is affected by time-varying delays and randomly occurring packet losses. A major...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Optimal Kalman Gains for Combined Stochastic and Set-Membership State Estimation
September 5, 2012, 12:00am PDT
In state estimation theory, two directions are mainly followed in order to model disturbances and errors. Either uncertainties are modeled as stochastic quantities or they are characterized by...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Decentralized Control Based on Globally Optimal Estimation
December 3, 2012, 12:00am PST
A new method for globally optimal estimation in decentralized sensor-networks is applied to the decentralized control problem. The resulting approach is proven to be optimal when the nodes have...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Modeling the Target Extent With Multiplicative Noise
May 17, 2012, 12:00am PDT
Extended target tracking deals with simultaneously tracking the shape and the kinematic parameters of a target. In this paper, the authors formulate the extended target tracking problem as a state...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
State Estimation in Networked Control Systems
May 16, 2012, 12:00am PDT
The authors consider the problem of state estimation in a Networked Control System, where measurements and control inputs are transmitted via a communication network. The network is subject to...
Provided by Karlsruhe Institute of Technology
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Whitepapers
A Robust Computational Test for Overlap of Two Arbitrary-Dimensional Ellipsoids in Fault-Detection of Kalman Filters
May 16, 2012, 12:00am PDT
On-line fault-detection in uncertain measurement and estimation systems is of particular interest in many applications. In certain systems based on the Kalman filter, this test can be performed by...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Control Over Unreliable Networks Based on Control Input Densities
July 18, 2012, 12:00am PDT
Time delays and data losses arising from an unreliable communication between the components of a control loop decrease the quality of control and thus, have to be incorporated explicitly in the...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Tracking 3D Shapes in Noisy Point Clouds With Random Hypersurface Models
May 18, 2012, 12:00am PDT
State of the art depth-sensors such as range cameras (time-of-flight, structured light, stereo) or laser rangefinder obtain three-dimensional point cloud data of a given real-world scene....
Provided by Karlsruhe Institute of Technology
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Whitepapers
Recursive Bayesian Calibration of Depth Sensors With Non-Overlapping Views
May 15, 2012, 12:00am PDT
Setting up a network of multiple depth sensors introduces several issues that need to be addressed. For example, the popular Microsoft Kinect TM device acquires depth information using an active...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Combined Stochastic and Set-Membership Information Filtering in Multisensor Systems
July 2, 2012, 12:00am PDT
In state estimation theory, stochastic and set membership approaches are generally considered separately from each other. Both concepts have distinct advantages and disadvantages making each one...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
On Optimal Distributed Kalman Filtering in Non-Ideal Situations
May 15, 2012, 12:00am PDT
The distributed processing of measurements and the subsequent data fusion is called Track-to-Track fusion. Although a solution for the Track-to-Track fusion that is equivalent to a central...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Fitting Conics to Noisy Data Using Stochastic Linearization
July 19, 2011, 12:00am PDT
Fitting conic sections, e.g., ellipses or circles, to noisy data points is a fundamental sensor data processing problem, which frequently arises in robotics. In this paper, the authors introduce a...
Provided by Karlsruhe Institute of Technology
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Whitepapers
A Social Content Delivery Network for Scientific Cooperation: Vision, Design, and Architecture
November 6, 2012, 12:00am PST
Data volumes have increased so significantly that the authors need to carefully consider how they interact with, share, and analyze data to avoid bottlenecks. In contexts such as e-Science and...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Network Virtualization for QoS-Aware Resource Management in Cloud Data Centers: A Survey
October 2, 2012, 12:00am PDT
The increasing popularity of Cloud Computing is leading to the emergence of large virtualized data centers hosting increasingly complex and dynamic IT systems and services. Over the past decade,...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Towards Truthful Resource Reservation in Cloud Computing
December 7, 2012, 12:00am PST
Prudent capacity planning to meet their clients future computational needs is one of the major issues cloud computing providers face today. By offering resource reservations in advance, providers...
Provided by Karlsruhe Institute of Technology
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White Papers
Cloud Services From a Consumer Perspective
August 15, 2010, 12:00am PDT
Although there is an increased attention on Cloud Computing in the academic literature in the recent years, most research work focus on technical aspects of cloud computing. Research on consumers'...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Energy Efficient Scheduling With Power Control for Wireless Networks
July 1, 2010, 12:00am PDT
Scheduling of transmissions is one of the most fundamental problems in the context of wireless networks. In this paper, the authors consider the problem of computing power efficient schedules with...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
On the Transmission Capacity of Wireless Multi-Channel Ad Hoc Networks With Local FDMA Scheduling
October 27, 2010, 12:00am PDT
The problem of the capacity of multi-channel interference-limited ad hoc networks with local frequency planning is examined in the transmission capacity framework. Bounds on outage and...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Cloud Computing: New Business Opportunities for Telecommunications Companies?
September 1, 2010, 12:00am PDT
Cloud computing has recently shifted into the center of attention of Telecommunications Companies. Deutsche Telekom, for example, just announced the importance of cloud computing as one of their...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Evaluating and Modeling Virtualization Performance Overhead for Cloud Environments
February 7, 2011, 12:00am PST
Due to trends like Cloud Computing and Green IT, virtualization technologies are gaining increasing importance. They promise energy and cost savings by sharing physical resources, thus making...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Analysis of the Performance-Influencing Factors of Virtualization Platforms
January 12, 2011, 12:00am PST
Nowadays, virtualization solutions are gaining increasing importance. By enabling the sharing of physical resources, thus making resource usage more efficient, they promise energy and cost...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
On the Accuracy of Software-Based Energy Estimation Techniques
December 12, 2010, 12:00am PST
This paper examines the accuracy of software-based on-line energy estimation techniques. It evaluates today's most widespread energy estimation model in order to investigate whether the current...
Provided by Karlsruhe Institute of Technology (KIT)
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White Papers
Challenges and Opportunities of Cloud Computing
October 21, 2010, 12:00am PDT
In recent years, Cloud Computing has become an emerging technology that gains wide influence on IT systems. Cloud Computing is a distributed computing model for enabling service-oriented,...
Provided by Karlsruhe Institute of Technology (KIT)
-
Whitepapers
Towards Truthful Resource Reservation in Cloud Computing
December 7, 2012, 12:00am PST
Prudent capacity planning to meet their clients future computational needs is one of the major issues cloud computing providers face today. By offering resource reservations in advance, providers...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Network Virtualization for QoS-Aware Resource Management in Cloud Data Centers: A Survey
October 2, 2012, 12:00am PDT
The increasing popularity of Cloud Computing is leading to the emergence of large virtualized data centers hosting increasingly complex and dynamic IT systems and services. Over the past decade,...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
A Social Content Delivery Network for Scientific Cooperation: Vision, Design, and Architecture
November 6, 2012, 12:00am PST
Data volumes have increased so significantly that the authors need to carefully consider how they interact with, share, and analyze data to avoid bottlenecks. In contexts such as e-Science and...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Fitting Conics to Noisy Data Using Stochastic Linearization
July 19, 2011, 12:00am PDT
Fitting conic sections, e.g., ellipses or circles, to noisy data points is a fundamental sensor data processing problem, which frequently arises in robotics. In this paper, the authors introduce a...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
On Optimal Distributed Kalman Filtering in Non-Ideal Situations
May 15, 2012, 12:00am PDT
The distributed processing of measurements and the subsequent data fusion is called Track-to-Track fusion. Although a solution for the Track-to-Track fusion that is equivalent to a central...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Combined Stochastic and Set-Membership Information Filtering in Multisensor Systems
July 2, 2012, 12:00am PDT
In state estimation theory, stochastic and set membership approaches are generally considered separately from each other. Both concepts have distinct advantages and disadvantages making each one...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Recursive Bayesian Calibration of Depth Sensors With Non-Overlapping Views
May 15, 2012, 12:00am PDT
Setting up a network of multiple depth sensors introduces several issues that need to be addressed. For example, the popular Microsoft Kinect TM device acquires depth information using an active...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Tracking 3D Shapes in Noisy Point Clouds With Random Hypersurface Models
May 18, 2012, 12:00am PDT
State of the art depth-sensors such as range cameras (time-of-flight, structured light, stereo) or laser rangefinder obtain three-dimensional point cloud data of a given real-world scene....
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Control Over Unreliable Networks Based on Control Input Densities
July 18, 2012, 12:00am PDT
Time delays and data losses arising from an unreliable communication between the components of a control loop decrease the quality of control and thus, have to be incorporated explicitly in the...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
A Robust Computational Test for Overlap of Two Arbitrary-Dimensional Ellipsoids in Fault-Detection of Kalman Filters
May 16, 2012, 12:00am PDT
On-line fault-detection in uncertain measurement and estimation systems is of particular interest in many applications. In certain systems based on the Kalman filter, this test can be performed by...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
State Estimation in Networked Control Systems
May 16, 2012, 12:00am PDT
The authors consider the problem of state estimation in a Networked Control System, where measurements and control inputs are transmitted via a communication network. The network is subject to...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Modeling the Target Extent With Multiplicative Noise
May 17, 2012, 12:00am PDT
Extended target tracking deals with simultaneously tracking the shape and the kinematic parameters of a target. In this paper, the authors formulate the extended target tracking problem as a state...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Decentralized Control Based on Globally Optimal Estimation
December 3, 2012, 12:00am PST
A new method for globally optimal estimation in decentralized sensor-networks is applied to the decentralized control problem. The resulting approach is proven to be optimal when the nodes have...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Optimal Kalman Gains for Combined Stochastic and Set-Membership State Estimation
September 5, 2012, 12:00am PDT
In state estimation theory, two directions are mainly followed in order to model disturbances and errors. Either uncertainties are modeled as stochastic quantities or they are characterized by...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Sequence-Based Control for Networked Control Systems Based on Virtual Control Inputs
September 5, 2012, 12:00am PDT
In this paper, the authors address the problem of controlling a system over an unreliable UDP-like network that is affected by time-varying delays and randomly occurring packet losses. A major...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Optimal Point Estimates for Multi-Target States Based on Kernel Distances
September 6, 2012, 12:00am PDT
Almost all multi-target tracking systems have to generate point estimates for the targets, e.g., for displaying the tracks. The novel idea in this paper is to consider point estimates for...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Stochastic Nonlinear Model Predictive Control Based on Progressive Density Simplification
September 5, 2012, 12:00am PDT
Increasing demand for nonlinear model predictive control with the ability to handle highly noise-corrupted systems has recently given rise to stochastic control approaches. Besides providing...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
A Virtualized Usage Control Bus System
February 12, 2012, 12:00am PST
Usage control is an extension of access control that additionally defines what must and must not happen to data after access has been granted. The process of enforcing usage control requirements...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
(MC2)2: A Generic Decision-Making Framework and Its Application to Cloud Computing
December 16, 2011, 12:00am PST
Cloud computing is a disruptive technology, representing a new model for Information Technology (IT) solution engineering and management that promises to introduce significant cost savings and...
Provided by Karlsruhe Institute of Technology (KIT)
-
Whitepapers
CloudGenius: Decision Support for Web Server Cloud Migration
April 20, 2012, 12:00am PDT
Cloud computing is the latest computing paradigm that delivers hardware and software resources as virtualized services in which users are free from the burden of worrying about the low-level...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
ECO/ee: Energy-Aware Collaborative Organic Execution Environment for Wireless Sensor Networks
March 12, 2012, 12:00am PDT
This paper presents an energy-aware execution environment, called Energy-aware Collaborative Organic Execution Environment (ECO/ee), for Wireless Sensor Networks (WSN). ECO/ee provides an...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
Hopping Strategies for Adaptive FH-CDMA Ad Hoc Networks Under External Interference
May 24, 2012, 12:00am PDT
The authors discuss the performance of an adaptive FHCDMA ad hoc network under the influence of external interference where node positions are modeled by a homogeneous Poisson point process. The...
Provided by Karlsruhe Institute of Technology
-
Whitepapers
A Declarative Recommender System for Cloud Infrastructure Services Selection
October 6, 2012, 12:00am PDT
The cloud infrastructure services landscape advances steadily leaving users in the agony of choice. Therefore, the authors present CloudRecommender, a new declarative approach for selecting...
Provided by Karlsruhe Institute of Technology (KIT)
-
Whitepapers
Upper and Lower Bound on Signal-to-Noise Ratio Gains for Cooperative Relay Networks
March 23, 2009, 12:00am PDT
The randomness of the wireless channel leads to time-variant fluctuations of the received signal amplitude. This adverse effect of fading can be mitigated by diversity techniques. The creation of...
Provided by Karlsruhe Institute of Technology
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Whitepapers
A Low Complex and Efficient Coexistence Approach for Non-Coherent Multiband Impulse Radio UWB
February 18, 2009, 12:00am PST
When bringing a high data rate multiband impulse radio UWB system to the market it has to coexist with other already existing UWB technologies such as multiband OFDM UWB. This paper analyzes the...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Centralized Modeling of the Communication Space for Spectral Awareness in Cognitive Radio Networks
September 25, 2009, 12:00am PDT
The communication space is five dimensional: its degrees of freedom are frequency, time and space. The use of the electromagnetic spectrum depends on these parameters. With future applications...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Compressed Spectrum Estimation for Cognitive Radios
April 20, 2009, 12:00am PDT
Cognitive Radios observe the spectral environment through spectrum estimation. In particular, reconfigurable Software Defined Radio architectures generate large amounts of sample data, which can...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Parametrization of Joint OFDM-Based Radar and Communication Systems for Vehicular Applications
August 4, 2009, 12:00am PDT
The design process of a joint radar and communication system employing OFDM is analyzed. In particular, the question on how to choose OFDM modulation parameters such as carrier distance, guard...
Provided by Karlsruhe Institute of Technology
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Whitepapers
On Linearly Precompressed Non-Parametric Spectrum Estimation
September 9, 2009, 12:00am PDT
Extending the derivation of a maximum likelihood spectrum estimator by Stoica and Sundin, non-parametric spectrum estimation with linear pre-compression is introduced. For real-time applications,...
Provided by Karlsruhe Institute of Technology
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Whitepapers
A Novel Combining Receiver for a Dual-Diversity Wireless Relay Network
July 17, 2009, 12:00am PDT
The authors present a simple combining receiver for a dual-diversity wireless relay network. The main concern of the paper is to face the trade-off between performance and complexity. The receiver...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Outage Capacity of Incremental Relaying for Low Signal-to-Noise Ratios
August 6, 2009, 12:00am PDT
The authors present the Ç«-outage capacity of incremental relaying at low Signal-to-Noise Ratios (SNR) in a wireless cooperative network with slow Rayleigh fading channels. The relay performs...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Outage Regions and Optimal Power Allocation for Wireless Relay Networks
August 7, 2009, 12:00am PDT
The authors study outage regions for energy-constrained multi-hop and adaptive multi-route networks with an arbitrary number of relay nodes. Optimal power allocation strategies in the sense that...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Software Defined Radio in Public and Governmental Security Systems
November 3, 2009, 12:00am PST
Radio communication is crucial for Public and Governmental Security (P&GS) systems. No matter if a police officer waits for a radio message to get to his next scene or a firefighter needs to...
Provided by Karlsruhe Institute of Technology
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Whitepapers
A Simple Stochastic Channel Simulator for Car-to-Car Communication at 24 GHz
March 1, 2010, 12:00am PST
A channel model, based on stochastics and Ray tracing, is described for a communication system, in which moving participants communicate in the 24 GHz band. A realistic behaviour of propagation...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Wireless Networks In-the-Loop: Emulating an RF Front-End in GNU
May 6, 2010, 12:00am PDT
The objective of this paper is to emulate the behavior of the Universal Software Radio Peripheral as an example of an RF front-end hardware for software radios. The model includes digital and...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Wideband Receiver for a Spaceborne Software Radio Application
February 1, 2010, 12:00am PST
Software Defined Radio (SDR), thanks to the recent technological advancements, has become one of the valuable solutions to achieve flexibility in a regenerative communication payload on board the...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Maximum Likelihood Speed and Distance Estimation for OFDM Radar
January 27, 2010, 12:00am PST
A distance and speed estimation algorithm for OFDM based radar is analyzed statistically. The maximum likelihood estimator is derived and compared to previous results. A connection to spectral...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Wireless Networks In-the-Loop: Software Radio as the Enabler
October 16, 2009, 12:00am PDT
A software architecture to rapidly develop and test radio networks in real and physical environments is proposed. Radio network terminals are developed in software and run on generic hardware to...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Signal Design and Coding for High-Bandwidth OFDM in Car-to-Car Communication
June 1, 2010, 12:00am PDT
The authors analyze mobile propagation channels which occur in the context of car-to-car communications in the 24 GHz ISM band. From the information gathered, they design robust frame designs for...
Provided by Karlsruhe Institute of Technology
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Whitepapers
On the Frame Design for Joint OFDM Radar and Communications
July 16, 2010, 12:00am PDT
The authors discuss how to design OFDM signals which are suitable for both radar and communications using high-bandwidth OFDM signals. A list of constraints which the signal configuration must...
Provided by Karlsruhe Institute of Technology
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