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Technical University of Berlin
(23 results)-
White Papers
Selfish Overlay Network Creation and Maintenance
March 17, 2011, 12:00am PDT
A foundational issue underlying many overlay network applications ranging from routing to peer-to-peer file sharing is that of the network formation, i.e., folding new arrivals into an existing...
Provided by Technical University of Berlin
-
White Papers
A Distributed Denial-of-Service(DDoS) Attack Using BitTorrent Peer-to-Peer(P2P) Network
May 30, 2008, 12:00am PDT
Recently, many hackers attacks are done with a Distributed Denial of Service (DDoS) strategy. Most famous centralized Peer to Peer (P2P) networks can be easily used for realize these attacks....
Provided by Technical University of Berlin
-
White Papers
Secure Web Browsing - The OS Approach
January 14, 2010, 12:00am PST
Many of the vulnerabilities of today's web browsers are a consequence of the enormously evolved web. There is a significant difference in how the web is used today as opposed to 15 years ago, when...
Provided by Technical University of Berlin
-
White Papers
Smartphone Malware Evolution Revisited: Android Next Target?
August 25, 2009, 12:00am PDT
Smartphones started being targets for malware in June 2004 while malware count increased steadily until the introduction of a mandatory application signing mechanism for Symbian OS in 2006. From...
Provided by Technical University of Berlin
-
White Papers
Patient-Oriented Segmentation and Visualization of Medical Data
January 1, 2010, 12:00am PST
The PREPaRe system (Personal Repository for Electronic Patient Records) is a patient-oriented internet-based information system that is able to store, combine, process and visualize all types of...
Provided by Technical University of Berlin
-
White Papers
Saving Energy in IP-Over-WDM Networks by Switching Off Line Cards in Low-Demand Scenarios
October 6, 2009, 12:00am PDT
The paper estimates potential energy savings in IP-over-WDM networks achieved by switching off router line cards in low-demand hours. The paper compares three approaches to react on dynamics in...
Provided by Technical University of Berlin
-
White Papers
Tesla Certificates: An Authentication Tool for Networks of Compute-Constrained Devices
June 5, 2008, 12:00am PDT
The era of pervasive computing and communication is fast approaching where low powered wireless devices will be deployed everywhere. These devices will serve many different purposes, from allowing...
Provided by Technical University of Berlin
-
White Papers
Injecting SMS Messages Into Smart Phones for Security Analysis
July 7, 2009, 12:00am PDT
The Short Message Service (SMS) is one of the building blocks of the mobile phone service. It is used for text messaging by users as well as for services that work under the hood of every mobile...
Provided by Technical University of Berlin
-
White Papers
Incentive Games and Mechanisms for Risk Management
December 16, 2010, 12:00am PST
Incentives play an important role in (security and IT) risk management of a large-scale organization with multiple autonomous divisions. This paper presents an incentive mechanism design framework...
Provided by Technical University of Berlin
-
White Papers
Building Efficient Integrity Measurement and Attestation for Mobile Phone Platforms
April 20, 2009, 12:00am PDT
Integrity measurement and attestation mechanisms have already been developed for PC and server platforms, however, porting these technologies directly on mobile and resource-limited devices does...
Provided by Technical University of Berlin
-
White Papers
Evalvid-RA: Trace Driven Simulation of Rate Adaptive MPEG-4 VBR Video
July 29, 2008, 12:00am PDT
Due to the increasing deployment of conversational real-time applications like VoIP and videoconferencing, the Internet is today facing new challenges. Low end-to-end delay is a vital QoS...
Provided by Technical University of Berlin
-
Whitepapers
Green Distance-Aware Base Station Sleeping Algorithm in LTE-Advanced
May 24, 2012, 12:00am PDT
In this paper, the authors propose a switch on/off algorithm for Base Stations (BSs), which exploits the knowledge of the distance between the User Equipments (UEs) and their associated BS. Their...
Provided by Technical University of Berlin
-
Whitepapers
Asymptotic Error Exponents in Energy-Detector and Estimator-Correlator Signal Detection
May 24, 2012, 12:00am PDT
The performance in signal detection is evaluated by the error (false-alarm and missed-detection) probabilities. However, calculating these probabilities is a difficult task in practice. This paper...
Provided by Technical University of Berlin
-
Whitepapers
A Novel TOA-Based Indoor Tracking System Over IEEE 802.11 Networks
January 1, 2012, 12:00am PST
Accurate indoor positioning is required for some critical applications such as emergency rescue, fire brigade or incident management. This paper presents an innovative TOA-based tracking system...
Provided by Technical University of Berlin
-
Whitepapers
Dynamic Energy Efficient Distance-Aware Base Station Switch On/Off Scheme for LTE-Advanced
December 5, 2012, 12:00am PST
Reducing the energy consumption in wireless networks has become a significant problem, not only because of its great impact on the global energy crisis, but also because it represents a noteworthy...
Provided by Technical University of Berlin
-
Whitepapers
Reconciling Privacy and Efficient Utility Management in Smart Cities
August 31, 2012, 12:00am PDT
A key aspect in the design of smart cities is, undoubtedly, a plan for the efficient management of utilities, enabled by technologies such as those entailing smart metering of the residential...
Provided by Technical University of Berlin
-
Whitepapers
Green Distance-Aware Base Station Sleeping Algorithm in LTE-Advanced
February 11, 2012, 12:00am PST
In this paper, the authors propose a switch on/off algorithm for Base Stations (BSs), which exploits the knowledge of the distance between the User Equipments (UEs) and their associated BS. Their...
Provided by Technical University of Berlin
-
Whitepapers
Weaknesses of an Improvement Authentication Scheme using Smart Cards
July 24, 2012, 12:00am PDT
In 2004, Das et al. (Das, Saxena and Gulati, 2004) introduced the concept of dynamic ID-based remote user authentication scheme using smart cards. Their scheme prevents that an attacker can know...
Provided by Technical University of Berlin
-
White Papers
Contracts, Financing Arrangements, And Public Ownership
June 26, 2007, 12:00am PDT
In contrast to the privatization and regulatory reforms currently underway at European airports, airports in the US remain publicly owned. There, airports negotiate legally binding contracts with...
Provided by Technical University of Berlin
-
White Papers
The Impact of Channel State Information Processing Delay in Optimally Scheduled OFDMA Networks
January 1, 2009, 12:00am PST
Dynamically assigning sub-carriers in the downlink of an OFDMA based cellular system has been shown to exhibit a high potential to combat co-channel interference in according systems. So far,...
Provided by Technical University of Berlin
-
White Papers
No Need for Signaling: Investigation of Capacity and Quality of Service for Multi - Code CDMA Systems Using the WBE++Approach
January 1, 2011, 12:00am PST
Next generation mobile communication systems will not be voice dominated anymore. A large set of applications with different quality of service requirements will run on top of the wireless...
Provided by Technical University of Berlin
-
White Papers
A Performance Comparison of QoS Approaches for Ad Hoc Networks: 802.11e Versus Distributed Resource Allocation
January 1, 2008, 12:00am PST
This paper compares two approaches for Quality of Service support in WLAN-based ad hoc networks. The first approach is to use per-packet priorities, according to the IEEE 802.11e standard. The...
Provided by Technical University of Berlin
-
White Papers
Extending WS-Agreement for Dynamic Negotiation of Service Level Agreements
August 29, 2008, 12:00am PDT
Services in commercial or scientific environments often need to be delivered at guaranteed service level. This becomes even more important, if composition of services is required. WS-Agreement is...
Provided by Technical University of Berlin
-
Whitepapers
Weaknesses of an Improvement Authentication Scheme using Smart Cards
July 24, 2012, 12:00am PDT
In 2004, Das et al. (Das, Saxena and Gulati, 2004) introduced the concept of dynamic ID-based remote user authentication scheme using smart cards. Their scheme prevents that an attacker can know...
Provided by Technical University of Berlin
-
Whitepapers
Green Distance-Aware Base Station Sleeping Algorithm in LTE-Advanced
February 11, 2012, 12:00am PST
In this paper, the authors propose a switch on/off algorithm for Base Stations (BSs), which exploits the knowledge of the distance between the User Equipments (UEs) and their associated BS. Their...
Provided by Technical University of Berlin
-
Whitepapers
Reconciling Privacy and Efficient Utility Management in Smart Cities
August 31, 2012, 12:00am PDT
A key aspect in the design of smart cities is, undoubtedly, a plan for the efficient management of utilities, enabled by technologies such as those entailing smart metering of the residential...
Provided by Technical University of Berlin
-
Whitepapers
Dynamic Energy Efficient Distance-Aware Base Station Switch On/Off Scheme for LTE-Advanced
December 5, 2012, 12:00am PST
Reducing the energy consumption in wireless networks has become a significant problem, not only because of its great impact on the global energy crisis, but also because it represents a noteworthy...
Provided by Technical University of Berlin
-
Whitepapers
A Novel TOA-Based Indoor Tracking System Over IEEE 802.11 Networks
January 1, 2012, 12:00am PST
Accurate indoor positioning is required for some critical applications such as emergency rescue, fire brigade or incident management. This paper presents an innovative TOA-based tracking system...
Provided by Technical University of Berlin
-
Whitepapers
Asymptotic Error Exponents in Energy-Detector and Estimator-Correlator Signal Detection
May 24, 2012, 12:00am PDT
The performance in signal detection is evaluated by the error (false-alarm and missed-detection) probabilities. However, calculating these probabilities is a difficult task in practice. This paper...
Provided by Technical University of Berlin
-
Whitepapers
Green Distance-Aware Base Station Sleeping Algorithm in LTE-Advanced
May 24, 2012, 12:00am PDT
In this paper, the authors propose a switch on/off algorithm for Base Stations (BSs), which exploits the knowledge of the distance between the User Equipments (UEs) and their associated BS. Their...
Provided by Technical University of Berlin
-
White Papers
No Need for Signaling: Investigation of Capacity and Quality of Service for Multi - Code CDMA Systems Using the WBE++Approach
January 1, 2011, 12:00am PST
Next generation mobile communication systems will not be voice dominated anymore. A large set of applications with different quality of service requirements will run on top of the wireless...
Provided by Technical University of Berlin
-
White Papers
The Impact of Channel State Information Processing Delay in Optimally Scheduled OFDMA Networks
January 1, 2009, 12:00am PST
Dynamically assigning sub-carriers in the downlink of an OFDMA based cellular system has been shown to exhibit a high potential to combat co-channel interference in according systems. So far,...
Provided by Technical University of Berlin
-
White Papers
Contracts, Financing Arrangements, And Public Ownership
June 26, 2007, 12:00am PDT
In contrast to the privatization and regulatory reforms currently underway at European airports, airports in the US remain publicly owned. There, airports negotiate legally binding contracts with...
Provided by Technical University of Berlin
-
White Papers
Evalvid-RA: Trace Driven Simulation of Rate Adaptive MPEG-4 VBR Video
July 29, 2008, 12:00am PDT
Due to the increasing deployment of conversational real-time applications like VoIP and videoconferencing, the Internet is today facing new challenges. Low end-to-end delay is a vital QoS...
Provided by Technical University of Berlin
-
White Papers
Building Efficient Integrity Measurement and Attestation for Mobile Phone Platforms
April 20, 2009, 12:00am PDT
Integrity measurement and attestation mechanisms have already been developed for PC and server platforms, however, porting these technologies directly on mobile and resource-limited devices does...
Provided by Technical University of Berlin
-
White Papers
Selfish Overlay Network Creation and Maintenance
March 17, 2011, 12:00am PDT
A foundational issue underlying many overlay network applications ranging from routing to peer-to-peer file sharing is that of the network formation, i.e., folding new arrivals into an existing...
Provided by Technical University of Berlin
-
White Papers
Incentive Games and Mechanisms for Risk Management
December 16, 2010, 12:00am PST
Incentives play an important role in (security and IT) risk management of a large-scale organization with multiple autonomous divisions. This paper presents an incentive mechanism design framework...
Provided by Technical University of Berlin
-
White Papers
Injecting SMS Messages Into Smart Phones for Security Analysis
July 7, 2009, 12:00am PDT
The Short Message Service (SMS) is one of the building blocks of the mobile phone service. It is used for text messaging by users as well as for services that work under the hood of every mobile...
Provided by Technical University of Berlin
-
White Papers
Tesla Certificates: An Authentication Tool for Networks of Compute-Constrained Devices
June 5, 2008, 12:00am PDT
The era of pervasive computing and communication is fast approaching where low powered wireless devices will be deployed everywhere. These devices will serve many different purposes, from allowing...
Provided by Technical University of Berlin
-
White Papers
Saving Energy in IP-Over-WDM Networks by Switching Off Line Cards in Low-Demand Scenarios
October 6, 2009, 12:00am PDT
The paper estimates potential energy savings in IP-over-WDM networks achieved by switching off router line cards in low-demand hours. The paper compares three approaches to react on dynamics in...
Provided by Technical University of Berlin
-
White Papers
Patient-Oriented Segmentation and Visualization of Medical Data
January 1, 2010, 12:00am PST
The PREPaRe system (Personal Repository for Electronic Patient Records) is a patient-oriented internet-based information system that is able to store, combine, process and visualize all types of...
Provided by Technical University of Berlin
-
White Papers
Smartphone Malware Evolution Revisited: Android Next Target?
August 25, 2009, 12:00am PDT
Smartphones started being targets for malware in June 2004 while malware count increased steadily until the introduction of a mandatory application signing mechanism for Symbian OS in 2006. From...
Provided by Technical University of Berlin
-
White Papers
Secure Web Browsing - The OS Approach
January 14, 2010, 12:00am PST
Many of the vulnerabilities of today's web browsers are a consequence of the enormously evolved web. There is a significant difference in how the web is used today as opposed to 15 years ago, when...
Provided by Technical University of Berlin
-
White Papers
A Distributed Denial-of-Service(DDoS) Attack Using BitTorrent Peer-to-Peer(P2P) Network
May 30, 2008, 12:00am PDT
Recently, many hackers attacks are done with a Distributed Denial of Service (DDoS) strategy. Most famous centralized Peer to Peer (P2P) networks can be easily used for realize these attacks....
Provided by Technical University of Berlin
-
White Papers
Extending WS-Agreement for Dynamic Negotiation of Service Level Agreements
August 29, 2008, 12:00am PDT
Services in commercial or scientific environments often need to be delivered at guaranteed service level. This becomes even more important, if composition of services is required. WS-Agreement is...
Provided by Technical University of Berlin
-
White Papers
A Performance Comparison of QoS Approaches for Ad Hoc Networks: 802.11e Versus Distributed Resource Allocation
January 1, 2008, 12:00am PST
This paper compares two approaches for Quality of Service support in WLAN-based ad hoc networks. The first approach is to use per-packet priorities, according to the IEEE 802.11e standard. The...
Provided by Technical University of Berlin
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