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University of Nebraska-Lincoln
(26 results)-
White Papers
Framework to Improve Mobile Robot's Navigation Using Wireless Sensor Modules
September 2, 2009, 12:00am PDT
As on-going research, this paper presents a framework to improve wireless mobile robot's navigational accuracy in diverse indoor environments where the signals are affected by various types of...
Provided by University of Nebraska-Lincoln
-
White Papers
The Art Of Delegating
July 3, 2008, 12:00am PDT
Delegation is an investment of the authority in others so they may act on one's behalf accompanied by responsibility and accountability for results. There are three primary reasons for delegating:...
Provided by University of Nebraska-Lincoln
-
White Papers
Querying Spatiotemporal XML Using DataFoX
January 1, 2010, 12:00am PST
This paper describes DataFoX, which is a new query language for XML documents and extends Datalog with support for trees as the domain of the variables. This paper also introduces for DataFoX a...
Provided by University of Nebraska-Lincoln
-
White Papers
DRAND: Distributed Randomized TDMA Scheduling for Wireless Ad-Hoc Networks
March 6, 2009, 12:00am PST
Slot assignment is the core component of TDMA (Time Division Multiple Access) protocols in wireless networks. For a given network where wireless nodes are communicating over the same radio...
Provided by University of Nebraska-Lincoln
-
White Papers
The Impact of Hard-Decision Detection on the Energy Efficiency of Phase and Frequency Modulation
June 24, 2009, 12:00am PDT
The central design challenge in next generation wireless systems is to have these systems operate at high bandwidths and provide high data rates while being cognizant of the energy consumption...
Provided by University of Nebraska-Lincoln
-
White Papers
Secure Wireless Communication and Optimal Power Control Under Statistical Queueing Constraints
November 30, 2010, 12:00am PST
In this paper, secure transmission of information over fading broadcast channels is studied in the presence of statistical queueing constraints. Effective capacity is employed as a performance...
Provided by University of Nebraska-Lincoln
-
White Papers
Secure Communication in the Low-SNR Regime: A Characterization of the Energy-Secrecy Tradeoff
January 20, 2009, 12:00am PST
Secure transmission of confidential messages is a critical issue in communication systems and especially in wireless systems due to the broadcast nature of wireless transmissions. In, Wyner...
Provided by University of Nebraska-Lincoln
-
White Papers
Low-SNR Analysis of Interference Channels Under Secrecy Constraints
January 20, 2009, 12:00am PST
The open nature of wireless communications allows for the signals to be received by all users within the communication range. Thus, wireless communication is vulnerable to eavesdropping. This...
Provided by University of Nebraska-Lincoln
-
White Papers
Energy Efficiency of Fixed-Rate Wireless Transmissions Under Queueing Constraints and Channel Uncertainty
January 20, 2009, 12:00am PST
Energy efficiency of fixed-rate transmissions is studied in the presence of queueing constraints and channel uncertainty. It is assumed that neither the transmitter nor the receiver has channel...
Provided by University of Nebraska-Lincoln
-
White Papers
The Impact of QoS Constraints on the Energy Efficiency of Fixed-Rate Wireless Transmissions
December 9, 2008, 12:00am PST
Transmission over wireless fading channels under Quality of Service (QoS) constraints is studied when only the receiver has channel side information. Being unaware of the channel conditions,...
Provided by University of Nebraska-Lincoln
-
White Papers
Energy-Efficient Modulation Design For Reliable Communication in Wireless Networks
June 21, 2009, 12:00am PDT
In this paper, the authors have considered the optimization of the M-ary Quadrature Amplitude Modulation (MQAM) constellation size to minimize the bit energy consumption under average Bit Error...
Provided by University of Nebraska-Lincoln
-
White Papers
Effective Capacity Analysis of Cognitive Radio Channels for Quality of Service Provisioning
June 21, 2009, 12:00am PDT
In this paper, cognitive transmission under Quality of Service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sends the data at...
Provided by University of Nebraska-Lincoln
-
White Papers
Repairing GUI Test Suites Using a Genetic Algorithm
January 14, 2010, 12:00am PST
Recent advances in automated functional testing of Graphical User Interfaces (GUIs) rely on deriving graph models that approximate all possible sequences of events that may be executed on the GUI,...
Provided by University of Nebraska-Lincoln
-
White Papers
Garbage Collection: Java Application Servers' Achilles Heel
September 11, 2007, 12:00am PDT
Java application servers are gaining popularity as a way for businesses to conduct day-to-day operations. While strong emphasis has been placed on how to obtain peak performance, only a few...
Provided by University of Nebraska-Lincoln
-
White Papers
MIMO Wireless Communications Under Statistical Queueing Constraints
October 9, 2009, 12:00am PDT
The performance of multiple-input multiple-output wireless systems is investigated in the presence of statistical queueing constraints. Queuing constraints are imposed as limitations on buffer...
Provided by University of Nebraska-Lincoln
-
White Papers
A Channel Model for Wireless Underground Sensor Networks Using Lateral Waves
March 21, 2011, 12:00am PDT
Wireless Underground Sensor Networks (WUSNs) are an emerging type of Wireless Sensor Networks (WSNs), where sensor nodes are located under the ground and communicate through soil. The major...
Provided by University of Nebraska-Lincoln
-
White Papers
Cross-Layer Analysis of the End-to-End Delay Distribution in Wireless Sensor Networks
July 31, 2009, 12:00am PDT
Emerging applications of Wireless Sensor Networks (WSNs) require real-time Quality of Service (QoS) guarantees to be provided by the network. However, designing real-time scheduling and...
Provided by University of Nebraska-Lincoln
-
White Papers
On Incorporating Learning Theories to Simulate a Computer-Supported Collaborative Learning Environment
September 4, 2008, 12:00am PDT
The success of a Computer-Supported Collaborative Learning (CSCL) environment in improving student knowledge depends on factors like student attributes (e.g., ability and motivation) and elements...
Provided by University of Nebraska-Lincoln
-
White Papers
uKeying: A Key Management Framework for Wireless Sensor Networks Utilizing a Unique Session Key
July 2, 2007, 12:00am PDT
Key management is a core mechanism to ensure the security of applications and network services in wireless sensor networks. Key management includes two aspects: key distribution and key...
Provided by University of Nebraska-Lincoln
-
White Papers
Comparing Multi-Channel Peer-to-Peer Streaming System Designs
February 19, 2010, 12:00am PST
Peer-To-Peer (P2P) video streaming systems, including both live streaming and Video-On-Demand (VOD) applications, have been hugely successful in providing multimedia streaming services with...
Provided by University of Nebraska-Lincoln
-
White Papers
IDEAS: An Identity-Based Security Architecture for Large-Scale and High-Performance Storage Systems
February 10, 2009, 12:00am PST
The authors develop IDEAS, identity-based security architecture for large-scale and high-performance storage systems, designed to improve security, convenience and total cost of access control by...
Provided by University of Nebraska-Lincoln
-
White Papers
Reducing Cross-ISP Traffic of P2P Systems: The End or the Beginning of P2P Traffic Control
December 1, 2009, 12:00am PST
As Peer-To-Peer (P2P) systems are widely deployed in the Internet, P2P traffic control becomes a challenge for Internet Service Providers (ISPs) and P2P system vendors. Some recent works consider...
Provided by University of Nebraska-Lincoln
-
White Papers
Improving Multi-View Peer-to-Peer Live Streaming Systems With the Divide-and-Conquer Strategy
May 21, 2010, 12:00am PDT
Multi-view Peer-To-Peer (P2P) live streaming systems have recently emerged, where a user is allowed to simultaneously watch one or multiple channels. Previous work on building multi-view P2P...
Provided by University of Nebraska-Lincoln
-
White Papers
Loss-Rate Based Reliable Data Transport Mechanism for Dynamic Event Sensing in Wireless Sensor Networks
February 1, 2008, 12:00am PST
Many Wireless Sensor Network (WSN) transport protocols proposed in recent studies focus on providing end-to-end reliability as in TCP. However, traditional end-to-end reliability is energy and...
Provided by University of Nebraska-Lincoln
-
White Papers
An Application of IEEE 802.11 and 802.3 for a University Bike-Share Program
June 4, 2010, 12:00am PDT
A recently-started university bike-share program was in need of improvements in existing capabilities. The program utilized an honor system which lacked bike security, user accountability, and...
Provided by University of Nebraska-Lincoln
-
White Papers
Versioning for Mashups - An Exploratory Study
March 24, 2011, 12:00am PDT
End users with little software background are developing numerous software applications using devices such as spreadsheets, web mashups, and web macros. Web mashups are particularly popular...
Provided by University of Nebraska-Lincoln
-
White Papers
Versioning for Mashups - An Exploratory Study
March 24, 2011, 12:00am PDT
End users with little software background are developing numerous software applications using devices such as spreadsheets, web mashups, and web macros. Web mashups are particularly popular...
Provided by University of Nebraska-Lincoln
-
White Papers
An Application of IEEE 802.11 and 802.3 for a University Bike-Share Program
June 4, 2010, 12:00am PDT
A recently-started university bike-share program was in need of improvements in existing capabilities. The program utilized an honor system which lacked bike security, user accountability, and...
Provided by University of Nebraska-Lincoln
-
White Papers
Loss-Rate Based Reliable Data Transport Mechanism for Dynamic Event Sensing in Wireless Sensor Networks
February 1, 2008, 12:00am PST
Many Wireless Sensor Network (WSN) transport protocols proposed in recent studies focus on providing end-to-end reliability as in TCP. However, traditional end-to-end reliability is energy and...
Provided by University of Nebraska-Lincoln
-
White Papers
Improving Multi-View Peer-to-Peer Live Streaming Systems With the Divide-and-Conquer Strategy
May 21, 2010, 12:00am PDT
Multi-view Peer-To-Peer (P2P) live streaming systems have recently emerged, where a user is allowed to simultaneously watch one or multiple channels. Previous work on building multi-view P2P...
Provided by University of Nebraska-Lincoln
-
White Papers
Reducing Cross-ISP Traffic of P2P Systems: The End or the Beginning of P2P Traffic Control
December 1, 2009, 12:00am PST
As Peer-To-Peer (P2P) systems are widely deployed in the Internet, P2P traffic control becomes a challenge for Internet Service Providers (ISPs) and P2P system vendors. Some recent works consider...
Provided by University of Nebraska-Lincoln
-
White Papers
IDEAS: An Identity-Based Security Architecture for Large-Scale and High-Performance Storage Systems
February 10, 2009, 12:00am PST
The authors develop IDEAS, identity-based security architecture for large-scale and high-performance storage systems, designed to improve security, convenience and total cost of access control by...
Provided by University of Nebraska-Lincoln
-
White Papers
Comparing Multi-Channel Peer-to-Peer Streaming System Designs
February 19, 2010, 12:00am PST
Peer-To-Peer (P2P) video streaming systems, including both live streaming and Video-On-Demand (VOD) applications, have been hugely successful in providing multimedia streaming services with...
Provided by University of Nebraska-Lincoln
-
White Papers
uKeying: A Key Management Framework for Wireless Sensor Networks Utilizing a Unique Session Key
July 2, 2007, 12:00am PDT
Key management is a core mechanism to ensure the security of applications and network services in wireless sensor networks. Key management includes two aspects: key distribution and key...
Provided by University of Nebraska-Lincoln
-
White Papers
On Incorporating Learning Theories to Simulate a Computer-Supported Collaborative Learning Environment
September 4, 2008, 12:00am PDT
The success of a Computer-Supported Collaborative Learning (CSCL) environment in improving student knowledge depends on factors like student attributes (e.g., ability and motivation) and elements...
Provided by University of Nebraska-Lincoln
-
White Papers
Cross-Layer Analysis of the End-to-End Delay Distribution in Wireless Sensor Networks
July 31, 2009, 12:00am PDT
Emerging applications of Wireless Sensor Networks (WSNs) require real-time Quality of Service (QoS) guarantees to be provided by the network. However, designing real-time scheduling and...
Provided by University of Nebraska-Lincoln
-
White Papers
A Channel Model for Wireless Underground Sensor Networks Using Lateral Waves
March 21, 2011, 12:00am PDT
Wireless Underground Sensor Networks (WUSNs) are an emerging type of Wireless Sensor Networks (WSNs), where sensor nodes are located under the ground and communicate through soil. The major...
Provided by University of Nebraska-Lincoln
-
White Papers
MIMO Wireless Communications Under Statistical Queueing Constraints
October 9, 2009, 12:00am PDT
The performance of multiple-input multiple-output wireless systems is investigated in the presence of statistical queueing constraints. Queuing constraints are imposed as limitations on buffer...
Provided by University of Nebraska-Lincoln
-
White Papers
Garbage Collection: Java Application Servers' Achilles Heel
September 11, 2007, 12:00am PDT
Java application servers are gaining popularity as a way for businesses to conduct day-to-day operations. While strong emphasis has been placed on how to obtain peak performance, only a few...
Provided by University of Nebraska-Lincoln
-
White Papers
Repairing GUI Test Suites Using a Genetic Algorithm
January 14, 2010, 12:00am PST
Recent advances in automated functional testing of Graphical User Interfaces (GUIs) rely on deriving graph models that approximate all possible sequences of events that may be executed on the GUI,...
Provided by University of Nebraska-Lincoln
-
White Papers
Effective Capacity Analysis of Cognitive Radio Channels for Quality of Service Provisioning
June 21, 2009, 12:00am PDT
In this paper, cognitive transmission under Quality of Service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sends the data at...
Provided by University of Nebraska-Lincoln
-
White Papers
Energy-Efficient Modulation Design For Reliable Communication in Wireless Networks
June 21, 2009, 12:00am PDT
In this paper, the authors have considered the optimization of the M-ary Quadrature Amplitude Modulation (MQAM) constellation size to minimize the bit energy consumption under average Bit Error...
Provided by University of Nebraska-Lincoln
-
White Papers
The Impact of QoS Constraints on the Energy Efficiency of Fixed-Rate Wireless Transmissions
December 9, 2008, 12:00am PST
Transmission over wireless fading channels under Quality of Service (QoS) constraints is studied when only the receiver has channel side information. Being unaware of the channel conditions,...
Provided by University of Nebraska-Lincoln
-
White Papers
Energy Efficiency of Fixed-Rate Wireless Transmissions Under Queueing Constraints and Channel Uncertainty
January 20, 2009, 12:00am PST
Energy efficiency of fixed-rate transmissions is studied in the presence of queueing constraints and channel uncertainty. It is assumed that neither the transmitter nor the receiver has channel...
Provided by University of Nebraska-Lincoln
-
White Papers
Low-SNR Analysis of Interference Channels Under Secrecy Constraints
January 20, 2009, 12:00am PST
The open nature of wireless communications allows for the signals to be received by all users within the communication range. Thus, wireless communication is vulnerable to eavesdropping. This...
Provided by University of Nebraska-Lincoln
-
White Papers
Secure Communication in the Low-SNR Regime: A Characterization of the Energy-Secrecy Tradeoff
January 20, 2009, 12:00am PST
Secure transmission of confidential messages is a critical issue in communication systems and especially in wireless systems due to the broadcast nature of wireless transmissions. In, Wyner...
Provided by University of Nebraska-Lincoln
-
White Papers
Secure Wireless Communication and Optimal Power Control Under Statistical Queueing Constraints
November 30, 2010, 12:00am PST
In this paper, secure transmission of information over fading broadcast channels is studied in the presence of statistical queueing constraints. Effective capacity is employed as a performance...
Provided by University of Nebraska-Lincoln
-
White Papers
The Impact of Hard-Decision Detection on the Energy Efficiency of Phase and Frequency Modulation
June 24, 2009, 12:00am PDT
The central design challenge in next generation wireless systems is to have these systems operate at high bandwidths and provide high data rates while being cognizant of the energy consumption...
Provided by University of Nebraska-Lincoln
-
White Papers
DRAND: Distributed Randomized TDMA Scheduling for Wireless Ad-Hoc Networks
March 6, 2009, 12:00am PST
Slot assignment is the core component of TDMA (Time Division Multiple Access) protocols in wireless networks. For a given network where wireless nodes are communicating over the same radio...
Provided by University of Nebraska-Lincoln
-
White Papers
Querying Spatiotemporal XML Using DataFoX
January 1, 2010, 12:00am PST
This paper describes DataFoX, which is a new query language for XML documents and extends Datalog with support for trees as the domain of the variables. This paper also introduces for DataFoX a...
Provided by University of Nebraska-Lincoln
-
White Papers
The Art Of Delegating
July 3, 2008, 12:00am PDT
Delegation is an investment of the authority in others so they may act on one's behalf accompanied by responsibility and accountability for results. There are three primary reasons for delegating:...
Provided by University of Nebraska-Lincoln
-
White Papers
Framework to Improve Mobile Robot's Navigation Using Wireless Sensor Modules
September 2, 2009, 12:00am PDT
As on-going research, this paper presents a framework to improve wireless mobile robot's navigational accuracy in diverse indoor environments where the signals are affected by various types of...
Provided by University of Nebraska-Lincoln
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