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University of Veszprem
(23 results)-
Whitepapers
A Partition-Based Data Collection Scheme for Wireless Sensor Networks With a Mobile Sink
May 24, 2012, 12:00am PDT
Mobility-assisted data collection in wireless sensor networks brings in new opportunities to improve the energy efficiency of sensor nodes. However, it also introduces new challenges such as large...
Provided by University of Veszprem
-
Whitepapers
RDL: A Novel Approach for Passive Object Localization in WSN Based on RSSI
May 24, 2012, 12:00am PDT
The Radio Signal Strength Indicator (RSSI)-based localization algorithm is an effective solution for passive object localization. However, the localization accuracy of the existing methods highly...
Provided by University of Veszprem
-
Whitepapers
Tone Reservation Based Peak Power Reduction in OFDMA Uplink Systems
May 24, 2012, 12:00am PDT
Tone Reservation (TR) has been proposed to reduce the Peak-to-Average Power Ratio (PAPR) of Orthogonal Frequency Division Multiple Access (OFDMA) uplink communication systems. However, it...
Provided by University of Veszprem
-
Whitepapers
Adaptive Video Streaming With Inter-Vehicle Relay for Highway VANET Scenario
May 24, 2012, 12:00am PDT
Video is a desirable medium to provide traffic information, news, advertisements, etc. to people on-the-road. Due to the high mobility and dynamic topology of VANET, an open question is whether it...
Provided by University of Veszprem
-
Whitepapers
Sum Rate Maximization in Fading Wireless Networks Using Stochastic Geometry
May 24, 2012, 12:00am PDT
Maximizing the sum rate of a wireless network with multiple interfering links is an important and challenging problem in communication systems. This difficult non-convex problem has been...
Provided by University of Veszprem
-
Whitepapers
Received Signal Strength Calibration for Handset Localization in WLAN
May 24, 2012, 12:00am PDT
Terminal localization for indoor Wireless Local Area Networks (WLANs) is critical for the deployment of location based services inside of buildings. A key challenge in localization arises when...
Provided by University of Veszprem
-
Whitepapers
On the Performance of Multiuser Scheduling With Post-Examining Under Non-Identical Fading
March 12, 2012, 12:00am PDT
The authors investigate the performance of a multiuser downlink access scheme based on a post-selection switch and examine algorithm. The studied scheme sequentially switches over the users that...
Provided by University of Veszprem
-
Whitepapers
Modified Dynamic DF for Type-2 UE Relays
March 12, 2012, 12:00am PDT
A Dynamic Decode-&-Forward (DDF) is redesigned to meet the crucial requirements for type-2 User Equipment (UE) relays which are being considered for next-generation cellular standards (e.g.,...
Provided by University of Veszprem
-
Whitepapers
Relational Semantics for Databases and Predicate Calculus
February 7, 2012, 12:00am PST
The relational data model requires a theory of relations in which tuples are not only many-sorted, but can also have indexes that are not necessarily numerical. In this paper, the authors develop...
Provided by University of Veszprem
-
Whitepapers
Secret Key Extraction in Ultra Wideband Channels for Unsynchronized Radios
February 10, 2008, 12:00am PST
Secure communications in UWB based on cryptographic keys generated from channel measurements without a trusted third party have been developed. The fine time resolution of UWB allows high levels...
Provided by University of Veszprem
-
Whitepapers
Computational Soundness of Coinductive Symbolic Security Under Active Attacks
September 26, 2012, 12:00am PDT
In this paper, the authors make some initial steps toward answering this question in the affirmative with respect to an extension of a trace-based security model (proposed by Micciancio and...
Provided by University of Veszprem
-
Whitepapers
Reliable Wireless Communication Networks for Demand Response Control
December 17, 2012, 12:00am PST
This paper presents methodologies for deriving reliability performance of wireless communication networks to support Demand Response (DR) control. First, the impact of communication impairments on...
Provided by University of Veszprem
-
Whitepapers
Protocol-Level Hidden Server Discovery
July 27, 2012, 12:00am PDT
In this paper, the authors proposed a protocol-level hidden server discovery approach to locate the Tor hidden server that hosts the illegal website. They investigated the Tor hidden server...
Provided by University of Veszprem
-
Whitepapers
Finite State Markov Modelling for High Speed Railway Wireless Communication Channel
November 21, 2012, 12:00am PST
How to provide reliable, cost-effective wireless services for High-Speed Railway (HSR) users attracts increasing attention due to the fast deployment of HSRs worldwide. A key issue is to develop...
Provided by University of Veszprem
-
Whitepapers
Metropolitan-Scale Taxicab Mobility Modeling
November 21, 2012, 12:00am PST
Taxicabs, as one of the major transportation platforms in metropolises, are of great interest in vehicular communications and networking research. The mobility of taxicabs, determined by driver...
Provided by University of Veszprem
-
Whitepapers
Designing & Implementation of Mobile Operated Toy Car by DTMF
January 1, 2013, 12:00am PST
In this paper, the authors advocate the operation of a toy car that is controlled by a mobile phone that makes a call to the mobile phone attached to the car. In the course of a call, if any...
Provided by University of Veszprem
-
Whitepapers
HTC Scientific Computing in a Distributed Cloud Environment
February 8, 2013, 12:00am PST
This paper describes the use of a distributed cloud computing system for High-Throughput Computing (HTC) scientific applications. The distributed cloud computing system is composed of a number of...
Provided by University of Veszprem
-
Whitepapers
Energy-Efficient Cooperative Routing in Multi-Hop Wireless Ad Hoc Networks
October 9, 2008, 12:00am PDT
The authors study the routing problem for multi-hop wireless ad hoc networks based on cooperative transmission. They prove that the Minimum Energy Cooperative Path (MECP) routing problem, i.e.,...
Provided by University of Veszprem
-
Whitepapers
A New Approach to Counting Broadcast Trees
February 5, 2008, 12:00am PST
In this paper, the authors derive the formula to count broadcast trees based on the number of internal nodes in the tree. To the best of their knowledge, it is the first time that tree enumeration...
Provided by University of Veszprem
-
Whitepapers
Pessimism Is Mostly the Best for the Expanding Ring Search in Wireless Networks
January 1, 2013, 12:00am PST
Global flooding and expanding ring search are two commonly used methods in search for an interested object in multi-hop wireless networks. While global flooding is simple, it is not scalable for...
Provided by University of Veszprem
-
Whitepapers
Minimum Energy Cooperative Path Routing in Wireless Networks: An Integer Programming Formulation
October 9, 2008, 12:00am PDT
The authors study the problem of Minimum Energy Cooperative Path (MECP) routing in wireless networks. The joint problem of cooperative routing in wireless networks that combines route selection...
Provided by University of Veszprem
-
Whitepapers
Finite-State Markov Modeling for Wireless Cooperative Diversity System
December 25, 2011, 12:00am PST
The Finite-State Markov Chain (FSMC) models can capture the essence of time-varying fading channels by preserving their statistic features. How to build FSMC models for multi-hop and multipath...
Provided by University of Veszprem
-
Whitepapers
Adaptive Antenna Scaling for Multi-user MIMO Downlink Zero-forcing Transmissions with Finite Rate Feedback
March 11, 2008, 12:00am PDT
Future wireless communication should achieve high spectral efficiency with good link reliability to satisfy the growing demand for wireless multimedia services. Multiple antenna transmission is...
Provided by University of Veszprem
-
Whitepapers
Adaptive Antenna Scaling for Multi-user MIMO Downlink Zero-forcing Transmissions with Finite Rate Feedback
March 11, 2008, 12:00am PDT
Future wireless communication should achieve high spectral efficiency with good link reliability to satisfy the growing demand for wireless multimedia services. Multiple antenna transmission is...
Provided by University of Veszprem
-
Whitepapers
Finite-State Markov Modeling for Wireless Cooperative Diversity System
December 25, 2011, 12:00am PST
The Finite-State Markov Chain (FSMC) models can capture the essence of time-varying fading channels by preserving their statistic features. How to build FSMC models for multi-hop and multipath...
Provided by University of Veszprem
-
Whitepapers
Minimum Energy Cooperative Path Routing in Wireless Networks: An Integer Programming Formulation
October 9, 2008, 12:00am PDT
The authors study the problem of Minimum Energy Cooperative Path (MECP) routing in wireless networks. The joint problem of cooperative routing in wireless networks that combines route selection...
Provided by University of Veszprem
-
Whitepapers
Pessimism Is Mostly the Best for the Expanding Ring Search in Wireless Networks
January 1, 2013, 12:00am PST
Global flooding and expanding ring search are two commonly used methods in search for an interested object in multi-hop wireless networks. While global flooding is simple, it is not scalable for...
Provided by University of Veszprem
-
Whitepapers
A New Approach to Counting Broadcast Trees
February 5, 2008, 12:00am PST
In this paper, the authors derive the formula to count broadcast trees based on the number of internal nodes in the tree. To the best of their knowledge, it is the first time that tree enumeration...
Provided by University of Veszprem
-
Whitepapers
Energy-Efficient Cooperative Routing in Multi-Hop Wireless Ad Hoc Networks
October 9, 2008, 12:00am PDT
The authors study the routing problem for multi-hop wireless ad hoc networks based on cooperative transmission. They prove that the Minimum Energy Cooperative Path (MECP) routing problem, i.e.,...
Provided by University of Veszprem
-
Whitepapers
HTC Scientific Computing in a Distributed Cloud Environment
February 8, 2013, 12:00am PST
This paper describes the use of a distributed cloud computing system for High-Throughput Computing (HTC) scientific applications. The distributed cloud computing system is composed of a number of...
Provided by University of Veszprem
-
Whitepapers
Designing & Implementation of Mobile Operated Toy Car by DTMF
January 1, 2013, 12:00am PST
In this paper, the authors advocate the operation of a toy car that is controlled by a mobile phone that makes a call to the mobile phone attached to the car. In the course of a call, if any...
Provided by University of Veszprem
-
Whitepapers
Metropolitan-Scale Taxicab Mobility Modeling
November 21, 2012, 12:00am PST
Taxicabs, as one of the major transportation platforms in metropolises, are of great interest in vehicular communications and networking research. The mobility of taxicabs, determined by driver...
Provided by University of Veszprem
-
Whitepapers
Finite State Markov Modelling for High Speed Railway Wireless Communication Channel
November 21, 2012, 12:00am PST
How to provide reliable, cost-effective wireless services for High-Speed Railway (HSR) users attracts increasing attention due to the fast deployment of HSRs worldwide. A key issue is to develop...
Provided by University of Veszprem
-
Whitepapers
Protocol-Level Hidden Server Discovery
July 27, 2012, 12:00am PDT
In this paper, the authors proposed a protocol-level hidden server discovery approach to locate the Tor hidden server that hosts the illegal website. They investigated the Tor hidden server...
Provided by University of Veszprem
-
Whitepapers
Reliable Wireless Communication Networks for Demand Response Control
December 17, 2012, 12:00am PST
This paper presents methodologies for deriving reliability performance of wireless communication networks to support Demand Response (DR) control. First, the impact of communication impairments on...
Provided by University of Veszprem
-
Whitepapers
Computational Soundness of Coinductive Symbolic Security Under Active Attacks
September 26, 2012, 12:00am PDT
In this paper, the authors make some initial steps toward answering this question in the affirmative with respect to an extension of a trace-based security model (proposed by Micciancio and...
Provided by University of Veszprem
-
Whitepapers
Secret Key Extraction in Ultra Wideband Channels for Unsynchronized Radios
February 10, 2008, 12:00am PST
Secure communications in UWB based on cryptographic keys generated from channel measurements without a trusted third party have been developed. The fine time resolution of UWB allows high levels...
Provided by University of Veszprem
-
Whitepapers
Relational Semantics for Databases and Predicate Calculus
February 7, 2012, 12:00am PST
The relational data model requires a theory of relations in which tuples are not only many-sorted, but can also have indexes that are not necessarily numerical. In this paper, the authors develop...
Provided by University of Veszprem
-
Whitepapers
Modified Dynamic DF for Type-2 UE Relays
March 12, 2012, 12:00am PDT
A Dynamic Decode-&-Forward (DDF) is redesigned to meet the crucial requirements for type-2 User Equipment (UE) relays which are being considered for next-generation cellular standards (e.g.,...
Provided by University of Veszprem
-
Whitepapers
On the Performance of Multiuser Scheduling With Post-Examining Under Non-Identical Fading
March 12, 2012, 12:00am PDT
The authors investigate the performance of a multiuser downlink access scheme based on a post-selection switch and examine algorithm. The studied scheme sequentially switches over the users that...
Provided by University of Veszprem
-
Whitepapers
Received Signal Strength Calibration for Handset Localization in WLAN
May 24, 2012, 12:00am PDT
Terminal localization for indoor Wireless Local Area Networks (WLANs) is critical for the deployment of location based services inside of buildings. A key challenge in localization arises when...
Provided by University of Veszprem
-
Whitepapers
Sum Rate Maximization in Fading Wireless Networks Using Stochastic Geometry
May 24, 2012, 12:00am PDT
Maximizing the sum rate of a wireless network with multiple interfering links is an important and challenging problem in communication systems. This difficult non-convex problem has been...
Provided by University of Veszprem
-
Whitepapers
Adaptive Video Streaming With Inter-Vehicle Relay for Highway VANET Scenario
May 24, 2012, 12:00am PDT
Video is a desirable medium to provide traffic information, news, advertisements, etc. to people on-the-road. Due to the high mobility and dynamic topology of VANET, an open question is whether it...
Provided by University of Veszprem
-
Whitepapers
Tone Reservation Based Peak Power Reduction in OFDMA Uplink Systems
May 24, 2012, 12:00am PDT
Tone Reservation (TR) has been proposed to reduce the Peak-to-Average Power Ratio (PAPR) of Orthogonal Frequency Division Multiple Access (OFDMA) uplink communication systems. However, it...
Provided by University of Veszprem
-
Whitepapers
RDL: A Novel Approach for Passive Object Localization in WSN Based on RSSI
May 24, 2012, 12:00am PDT
The Radio Signal Strength Indicator (RSSI)-based localization algorithm is an effective solution for passive object localization. However, the localization accuracy of the existing methods highly...
Provided by University of Veszprem
-
Whitepapers
A Partition-Based Data Collection Scheme for Wireless Sensor Networks With a Mobile Sink
May 24, 2012, 12:00am PDT
Mobility-assisted data collection in wireless sensor networks brings in new opportunities to improve the energy efficiency of sensor nodes. However, it also introduces new challenges such as large...
Provided by University of Veszprem
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