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University of Bochum
(19 results)-
White Papers
TASTY: Tool for Automating Secure Two-PartY Computations
December 10, 2010, 12:00am PST
Secure two-party computation allows two untrusting parties to jointly compute an arbitrary function on their respective private inputs while revealing no information beyond the outcome. Existing...
Provided by University of Bochum
-
Whitepapers
Cooperative Spectrum Management in Cognitive Vehicular Ad Hoc Networks
December 28, 2011, 12:00am PST
In recent years, Cognitive Radio (CR) technology has received significant attention from the research community as it enables on-demand spectrum utilization, based on the requests of the...
Provided by University of Bochum
-
Whitepapers
On the Capacity of Slotted Aloha Based Multi-Hop Virtual MIMO Systems
September 14, 2010, 12:00am PDT
The performance of multi-hop Virtual Multiple-Input-Multiple-Output (V-MIMO) systems, when Slotted Aloha is used to select the radio resource at each hop, is investigated. Source, destination and...
Provided by University of Bochum
-
White Papers
Consolidation In Banking And Financial Stability In Europe The Case Of Promoting Cross-Border Bank Mergers
February 1, 2008, 12:00am PST
Motivated by recent initial steps of the European Commission fostering cross-border bank mergers within Europe and with regard to possible conflicting objectives of competition policy and banking...
Provided by University of Bochum
-
Whitepapers
An Improved Two-Party Negotiation Over Continues Issues Method Secure Against Manipulatory Behavior
January 8, 2012, 12:00am PST
This contribution focuses on two-party negotiation over continuous issues. The authors firstly prove two drawbacks of the jointly Improving Direction Method (IDM), namely that IDM is not a...
Provided by University of Bochum
-
Whitepapers
Context Data Distribution in Mobile Systems: A Case Study on Android-Based Phones
May 24, 2012, 12:00am PDT
Context awareness, namely the provisioning of the current execution context at the application level, forces the continuous delivery of context data to resource-constrained mobile devices, and...
Provided by University of Bochum
-
Whitepapers
Protograph EXIT Analysis Over Block Fading Channels With Application to Relays
May 24, 2012, 12:00am PDT
An accurate EXtrinsic Information Transfer (EXIT) analysis is developed for protograph Low-Density Parity-Check (LDPC) codes over the Block Fading Channel (BFC). The analysis is thus exploited for...
Provided by University of Bochum
-
Whitepapers
Short Non-Binary IRA Codes on Large-Girth Hamiltonian Graphs
May 24, 2012, 12:00am PDT
Short non-binary Irregular Repeat-Accumulate (IRA) codes based on well-known Hamiltonian and Hypohamiltonian graphs with large girth are presented. The mapping of the code coordinates on the graph...
Provided by University of Bochum
-
Whitepapers
The Role of Aggregate Interference on Intrinsic Network Secrecy
May 24, 2012, 12:00am PDT
Upper layer wireless security relies on the computational intractability assumption for solving certain number theoretic problems. These methods can be complemented by techniques that exploit, at...
Provided by University of Bochum
-
Whitepapers
Performance Analysis of a Mesh Satellite System Based on Linear and Continuous Phase Modulations
May 24, 2012, 12:00am PDT
This paper addresses detailed waveform trade-offs for mesh satellite networks. The waveform analysis is carried out considering spectral efficiency, resilience against non linear distortion,...
Provided by University of Bochum
-
Whitepapers
Coarse Beamforming Techniques for Multi-Beam Satellite Networks
May 24, 2012, 12:00am PDT
Coarse beamforming is a space processing scheme which allows for efficient use of the available spectral resources on the feeder link of a multi-beam broadband satellite system. In this framework,...
Provided by University of Bochum
-
Whitepapers
Application of Contact Graph Routing to LEO Satellite DTN Communications
May 24, 2012, 12:00am PDT
Delay-/disruption-tolerant networking, which originated from research on deep space communications, has enlarged its scope to encompass all challenged networks, including LEO satellite...
Provided by University of Bochum
-
Whitepapers
On the Use of DVB-H for Satellite Multimedia Networks
January 1, 2012, 12:00am PST
In all short-medium term business/market forecasts, the efficient provision of Digital Multimedia Broadcasting (DMB) services in mobile systems appears to be of key importance for mobile operators...
Provided by University of Bochum
-
Whitepapers
An Empirical Evaluation of Portfolios Approaches for solving CSPs
December 4, 2012, 12:00am PST
Recent research in areas such as SAT solving and Integer Linear Programming has shown that the performances of a single arbitrarily efficient solver can be significantly outperformed by a...
Provided by University of Bochum
-
Whitepapers
MAC Layer Outage Probability of Bounded Ad Hoc Networks
December 27, 2011, 12:00am PST
The authors consider a bounded square-shaped ad hoc network scenario, within which packet arrivals are distributed randomly in space and time according to a 3-dimensional Poisson Point Process....
Provided by University of Bochum
-
Whitepapers
Sociability Based Routing for Environmental Opportunistic Networks
April 1, 2010, 12:00am PDT
Network opportunism in wireless systems aims at jointly exploiting the resources of separate networks. So far, small emphasis to this paradigm has been given in the literature related to Wireless...
Provided by University of Bochum
-
Whitepapers
Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis
November 21, 2012, 12:00am PST
This paper addresses contention resolution in optical switching fabrics exploiting Parametric Wavelength Converters (PWCs). Being a PWC able to perform simultaneous wavelength conversions, it can...
Provided by University of Bochum
-
Whitepapers
Scale-Free Opportunistic Networks: Is It Possible?
February 23, 2012, 12:00am PST
The coupling of scale-free networks with mobile unstructured networks is certainly unusual. In mobile networks, connections active at a given instant are constrained by the geographical...
Provided by University of Bochum
-
Whitepapers
Spectrum Leasing as an Incentive Towards Uplink Macrocell and Femtocell Cooperation
January 8, 2013, 12:00am PST
The concept of femtocell access points underlaying existing communication infrastructure has recently emerged as a key technology that can significantly improve the coverage and performance of...
Provided by University of Bochum
-
Whitepapers
Spectrum Leasing as an Incentive Towards Uplink Macrocell and Femtocell Cooperation
January 8, 2013, 12:00am PST
The concept of femtocell access points underlaying existing communication infrastructure has recently emerged as a key technology that can significantly improve the coverage and performance of...
Provided by University of Bochum
-
Whitepapers
Scale-Free Opportunistic Networks: Is It Possible?
February 23, 2012, 12:00am PST
The coupling of scale-free networks with mobile unstructured networks is certainly unusual. In mobile networks, connections active at a given instant are constrained by the geographical...
Provided by University of Bochum
-
Whitepapers
Contention Resolution Using Parametric Wavelength Converters: Performance and Cost Analysis
November 21, 2012, 12:00am PST
This paper addresses contention resolution in optical switching fabrics exploiting Parametric Wavelength Converters (PWCs). Being a PWC able to perform simultaneous wavelength conversions, it can...
Provided by University of Bochum
-
Whitepapers
Sociability Based Routing for Environmental Opportunistic Networks
April 1, 2010, 12:00am PDT
Network opportunism in wireless systems aims at jointly exploiting the resources of separate networks. So far, small emphasis to this paradigm has been given in the literature related to Wireless...
Provided by University of Bochum
-
Whitepapers
MAC Layer Outage Probability of Bounded Ad Hoc Networks
December 27, 2011, 12:00am PST
The authors consider a bounded square-shaped ad hoc network scenario, within which packet arrivals are distributed randomly in space and time according to a 3-dimensional Poisson Point Process....
Provided by University of Bochum
-
Whitepapers
An Empirical Evaluation of Portfolios Approaches for solving CSPs
December 4, 2012, 12:00am PST
Recent research in areas such as SAT solving and Integer Linear Programming has shown that the performances of a single arbitrarily efficient solver can be significantly outperformed by a...
Provided by University of Bochum
-
Whitepapers
On the Use of DVB-H for Satellite Multimedia Networks
January 1, 2012, 12:00am PST
In all short-medium term business/market forecasts, the efficient provision of Digital Multimedia Broadcasting (DMB) services in mobile systems appears to be of key importance for mobile operators...
Provided by University of Bochum
-
Whitepapers
Application of Contact Graph Routing to LEO Satellite DTN Communications
May 24, 2012, 12:00am PDT
Delay-/disruption-tolerant networking, which originated from research on deep space communications, has enlarged its scope to encompass all challenged networks, including LEO satellite...
Provided by University of Bochum
-
Whitepapers
Coarse Beamforming Techniques for Multi-Beam Satellite Networks
May 24, 2012, 12:00am PDT
Coarse beamforming is a space processing scheme which allows for efficient use of the available spectral resources on the feeder link of a multi-beam broadband satellite system. In this framework,...
Provided by University of Bochum
-
Whitepapers
Performance Analysis of a Mesh Satellite System Based on Linear and Continuous Phase Modulations
May 24, 2012, 12:00am PDT
This paper addresses detailed waveform trade-offs for mesh satellite networks. The waveform analysis is carried out considering spectral efficiency, resilience against non linear distortion,...
Provided by University of Bochum
-
Whitepapers
The Role of Aggregate Interference on Intrinsic Network Secrecy
May 24, 2012, 12:00am PDT
Upper layer wireless security relies on the computational intractability assumption for solving certain number theoretic problems. These methods can be complemented by techniques that exploit, at...
Provided by University of Bochum
-
Whitepapers
Short Non-Binary IRA Codes on Large-Girth Hamiltonian Graphs
May 24, 2012, 12:00am PDT
Short non-binary Irregular Repeat-Accumulate (IRA) codes based on well-known Hamiltonian and Hypohamiltonian graphs with large girth are presented. The mapping of the code coordinates on the graph...
Provided by University of Bochum
-
Whitepapers
Protograph EXIT Analysis Over Block Fading Channels With Application to Relays
May 24, 2012, 12:00am PDT
An accurate EXtrinsic Information Transfer (EXIT) analysis is developed for protograph Low-Density Parity-Check (LDPC) codes over the Block Fading Channel (BFC). The analysis is thus exploited for...
Provided by University of Bochum
-
Whitepapers
Context Data Distribution in Mobile Systems: A Case Study on Android-Based Phones
May 24, 2012, 12:00am PDT
Context awareness, namely the provisioning of the current execution context at the application level, forces the continuous delivery of context data to resource-constrained mobile devices, and...
Provided by University of Bochum
-
Whitepapers
An Improved Two-Party Negotiation Over Continues Issues Method Secure Against Manipulatory Behavior
January 8, 2012, 12:00am PST
This contribution focuses on two-party negotiation over continuous issues. The authors firstly prove two drawbacks of the jointly Improving Direction Method (IDM), namely that IDM is not a...
Provided by University of Bochum
-
Whitepapers
On the Capacity of Slotted Aloha Based Multi-Hop Virtual MIMO Systems
September 14, 2010, 12:00am PDT
The performance of multi-hop Virtual Multiple-Input-Multiple-Output (V-MIMO) systems, when Slotted Aloha is used to select the radio resource at each hop, is investigated. Source, destination and...
Provided by University of Bochum
-
Whitepapers
Cooperative Spectrum Management in Cognitive Vehicular Ad Hoc Networks
December 28, 2011, 12:00am PST
In recent years, Cognitive Radio (CR) technology has received significant attention from the research community as it enables on-demand spectrum utilization, based on the requests of the...
Provided by University of Bochum
-
White Papers
Consolidation In Banking And Financial Stability In Europe The Case Of Promoting Cross-Border Bank Mergers
February 1, 2008, 12:00am PST
Motivated by recent initial steps of the European Commission fostering cross-border bank mergers within Europe and with regard to possible conflicting objectives of competition policy and banking...
Provided by University of Bochum
-
White Papers
TASTY: Tool for Automating Secure Two-PartY Computations
December 10, 2010, 12:00am PST
Secure two-party computation allows two untrusting parties to jointly compute an arbitrary function on their respective private inputs while revealing no information beyond the outcome. Existing...
Provided by University of Bochum
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