Missouri University of Science and Technology

Displaying 1-18 of 18 results

  • White Papers // Jan 2013

    Finite Horizon Adaptive Optimal Distributed Power Allocation for Enhanced Cognitive Radio Network in the Presence of Channel Uncertainties

    Cognitive Radio Network (CRN) is a promising wireless network since CRN can improve the wireless resource (e.g. spectrum, power etc.) usage efficiency significantly by implementing more flexible wireless resource allocation policy. A novel secondary spectrum usage scheme (i.e. opportunistic spectrum access) is introduced. The SUs in SRN can access the...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2012

    Linear Precoding of Finite Alphabet Signals in Multi-Antenna Broadcast Channels

    The authors investigate the design of linear transmit precoding for Multiple-Input Multiple-Output (MIMO) Broadcast Channels (BC) with finite alphabet input signals. They derive an explicit expression for the achievable rate region of the MIMO BC with discrete constellation inputs, which is generally applicable to cases involving arbitrary user number and...

    Provided By Missouri University of Science and Technology

  • White Papers // Jan 2012

    Scaling Laws of Key Pre-Distribution Protocols in Wireless Sensor Networks

    Many key Pre-distribution (KP) protocols have been proposed and well accepted in randomly deployed Wireless Sensor Networks (WSNs). Being distributed and localized, they are perceived to be scalable as node density and network dimension increase. While it is true in terms of communication/computation overhead, their scalability in terms of security...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2011

    A Study of Speed Aware Routing for Mobile Ad Hoc Networks

    The flexibility of movement for the wireless ad hoc devices, referred to as node mobility, introduces challenges such as dynamic topological changes, increased frequency of route disconnections and high packet loss rate in Mobile Ad hoc Wireless NETwork (MANET) routing. This paper proposes a novel on-demand routing protocol, Speed-Aware Routing...

    Provided By Missouri University of Science and Technology

  • White Papers // Apr 2011

    A Multi-Tiered Architecture for Content Retrieval in Mobile Peer-to-Peer Networks

    In this paper, the authors address content retrieval in Mobile Peer-to-Peer (P2P) Networks. They design a multi-tiered architecture for content retrieval, where at Tier 1, they design a protocol for content similarity governed by a parameter ? that trades accuracy with search overhead. At Tier 2, they introduce a novel...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2010

    Demonstration of a Multi-Interface Multi-Channel Routing Protocol (MMCR) for WSNs Using Missouri S&T Motes

    Typical sensor nodes are equipped with radios that can operate on multiple non-interfering channels. These channels can be utilized for parallel data transmissions thus increasing a network capacity, or to improve resilience against the RF interference and congestions. Traditional sensor networks with a very low duty cycle and minimal data...

    Provided By Missouri University of Science and Technology

  • White Papers // Aug 2010

    A Learning-Based Adaptive Routing for QoS-Aware Data Collection in Fixed Sensor Networks With Mobile Sinks

    Routing data from sensor nodes to designated mobile data sinks is a common and challenging task in a wide spectrum of Wireless Sensor Network (WSN) applications and thus becoming an active research area. In this paper, a reinforcement-learning based adaptive routing scheme implemented through Adaptive Critic Design (ACD) is proposed....

    Provided By Missouri University of Science and Technology

  • White Papers // Jun 2010

    Particle Swarm Optimization in Wireless Sensor Networks: A Brief Survey

    Wireless Sensor Networks (WSNs) are networks of autonomous nodes used for monitoring an environment. Developers of WSNs face challenges that arise from communication link failures, memory and computational constraints, and limited energy. Many issues in WSNs are formulated as multidimensional optimization problems, and approached through bio-inspired techniques. Particle Swarm Optimization...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2010

    Context-Based Information Sharing and Authorization in Mobile Ad Hoc Networks Incorporating QoS Constraints

    When one thinks of today's Command, Control, Communications, Computers, Intelligence, Surveillance, and reconnaissance (C4IS) network, it usually evokes images of multiple operators in command at the same time for a collaborative mission under environmental and operational constraints. Some of the steps occur before the F/A-22 detects the target. Application programmers...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2010

    Information Management in Emergent Vehicular Ad Hoc Networks

    Information Exchange and communication among vehicles has become a very practical, interesting and challenging problem in Vehicular Networks. Since vehicles are in ad-hoc and rapidly mobile mode, there is no way for fixed network topologies. This necessitates the need for novel mechanisms for efficient data management in Vehicular Networks. Caching...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2010

    Adaptive Data Aggregation for Wireless Sensor Networks

    Wireless sensor nodes typically have limited processing capabilities and are powered by batteries. The amount of energy expended in transmitting a single data bit would be several orders of magnitude higher when compared to the energy needed for a 32 bit computation. Thus, to maximize network lifetime in real dynamic...

    Provided By Missouri University of Science and Technology

  • White Papers // Mar 2010

    Defending Wireless Sensor Networks Against Adversarial Localization

    In this paper, the authors study the issue of defending against adversarial localization in wireless sensor networks. Adversarial localization refers to attacks where an adversary attempts to disclose physical locations of sensors in the network. The adversary accomplishes this by physically moving in the network while eavesdropping on communication messages...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2009

    Privacy-Preserving Location Publishing Under Road-Network Constraints

    The authors are experiencing the expanding use of location-based services such as AT&T TeleNav GPSNavigator and Intel's Thing Finder. Existing location-based services have collected a large amount of location data, which have great potential for statistical usage in applications like traffic flow analysis, infrastructure planning and advertisement dissemination. The key...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2009

    Energy-Efficient Hybrid Key Management Protocol for Wireless Sensor Networks

    In this paper, an Energy-efficient Hybrid Key Management (EHKM) protocol is proposed in which the heterogeneous security requirements of a wireless sensor network are considered to provide differing levels of security with minimum communication overhead. Additionally, it allows the dynamic creation of high security sub-networks within the wireless sensor network...

    Provided By Missouri University of Science and Technology

  • White Papers // Feb 2009

    Secure Aggregation in Wireless Sensor Networks

    In-network aggregation in Wireless Sensor Networks (WSNs) is an approach that allows for a large savings of energy. Most wireless sensor network applications are deployed in environments which can affect the motes. An attacker may be able to gain physical access to some motes, introduce motes into the network or...

    Provided By Missouri University of Science and Technology

  • White Papers // Feb 2009

    Secure Data Aggregation in Sensor Networks

    This white paper aims to address the critical issue of secure aggregation of data streams in wireless sensor networks. Wireless Sensor Networks (WSNs) have permeated numerous applications, and are increasingly being relied upon for many mission-critical services like volcanic monitoring, forest fires monitoring, battlefield surveillance, agriculture monitoring, and railroad tunnels....

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2008

    Localizing Sensor Networks in Un-Friendly Environments

    In this paper, the authors study the issue of defending against a Wireless Sensor Network (WSN) that has been deployed by a malicious enemy agent in an area of interest to one. While there can be many approaches to defend against maliciously deployed WSNs, they propose the design of a...

    Provided By Missouri University of Science and Technology

  • White Papers // Aug 2008

    Peer-to-Peer System-Based Active Worm Attacks: Modeling, Analysis and Defense

    Active worms continue to pose major threats to the security of today's Internet. This is due to the ability of active worms to automatically propagate themselves and compromise hosts in the Internet. Due to the recent surge of Peer-To-Peer (P2P) systems with large numbers of users and rich connectivity, P2P...

    Provided By Missouri University of Science and Technology

  • White Papers // Aug 2008

    Peer-to-Peer System-Based Active Worm Attacks: Modeling, Analysis and Defense

    Active worms continue to pose major threats to the security of today's Internet. This is due to the ability of active worms to automatically propagate themselves and compromise hosts in the Internet. Due to the recent surge of Peer-To-Peer (P2P) systems with large numbers of users and rich connectivity, P2P...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2009

    Privacy-Preserving Location Publishing Under Road-Network Constraints

    The authors are experiencing the expanding use of location-based services such as AT&T TeleNav GPSNavigator and Intel's Thing Finder. Existing location-based services have collected a large amount of location data, which have great potential for statistical usage in applications like traffic flow analysis, infrastructure planning and advertisement dissemination. The key...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2010

    Context-Based Information Sharing and Authorization in Mobile Ad Hoc Networks Incorporating QoS Constraints

    When one thinks of today's Command, Control, Communications, Computers, Intelligence, Surveillance, and reconnaissance (C4IS) network, it usually evokes images of multiple operators in command at the same time for a collaborative mission under environmental and operational constraints. Some of the steps occur before the F/A-22 detects the target. Application programmers...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2010

    Information Management in Emergent Vehicular Ad Hoc Networks

    Information Exchange and communication among vehicles has become a very practical, interesting and challenging problem in Vehicular Networks. Since vehicles are in ad-hoc and rapidly mobile mode, there is no way for fixed network topologies. This necessitates the need for novel mechanisms for efficient data management in Vehicular Networks. Caching...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2010

    Adaptive Data Aggregation for Wireless Sensor Networks

    Wireless sensor nodes typically have limited processing capabilities and are powered by batteries. The amount of energy expended in transmitting a single data bit would be several orders of magnitude higher when compared to the energy needed for a 32 bit computation. Thus, to maximize network lifetime in real dynamic...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2011

    A Study of Speed Aware Routing for Mobile Ad Hoc Networks

    The flexibility of movement for the wireless ad hoc devices, referred to as node mobility, introduces challenges such as dynamic topological changes, increased frequency of route disconnections and high packet loss rate in Mobile Ad hoc Wireless NETwork (MANET) routing. This paper proposes a novel on-demand routing protocol, Speed-Aware Routing...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2008

    Localizing Sensor Networks in Un-Friendly Environments

    In this paper, the authors study the issue of defending against a Wireless Sensor Network (WSN) that has been deployed by a malicious enemy agent in an area of interest to one. While there can be many approaches to defend against maliciously deployed WSNs, they propose the design of a...

    Provided By Missouri University of Science and Technology

  • White Papers // Jan 2012

    Scaling Laws of Key Pre-Distribution Protocols in Wireless Sensor Networks

    Many key Pre-distribution (KP) protocols have been proposed and well accepted in randomly deployed Wireless Sensor Networks (WSNs). Being distributed and localized, they are perceived to be scalable as node density and network dimension increase. While it is true in terms of communication/computation overhead, their scalability in terms of security...

    Provided By Missouri University of Science and Technology

  • White Papers // Apr 2011

    A Multi-Tiered Architecture for Content Retrieval in Mobile Peer-to-Peer Networks

    In this paper, the authors address content retrieval in Mobile Peer-to-Peer (P2P) Networks. They design a multi-tiered architecture for content retrieval, where at Tier 1, they design a protocol for content similarity governed by a parameter ? that trades accuracy with search overhead. At Tier 2, they introduce a novel...

    Provided By Missouri University of Science and Technology

  • White Papers // Mar 2010

    Defending Wireless Sensor Networks Against Adversarial Localization

    In this paper, the authors study the issue of defending against adversarial localization in wireless sensor networks. Adversarial localization refers to attacks where an adversary attempts to disclose physical locations of sensors in the network. The adversary accomplishes this by physically moving in the network while eavesdropping on communication messages...

    Provided By Missouri University of Science and Technology

  • White Papers // May 2012

    Linear Precoding of Finite Alphabet Signals in Multi-Antenna Broadcast Channels

    The authors investigate the design of linear transmit precoding for Multiple-Input Multiple-Output (MIMO) Broadcast Channels (BC) with finite alphabet input signals. They derive an explicit expression for the achievable rate region of the MIMO BC with discrete constellation inputs, which is generally applicable to cases involving arbitrary user number and...

    Provided By Missouri University of Science and Technology

  • White Papers // Jan 2013

    Finite Horizon Adaptive Optimal Distributed Power Allocation for Enhanced Cognitive Radio Network in the Presence of Channel Uncertainties

    Cognitive Radio Network (CRN) is a promising wireless network since CRN can improve the wireless resource (e.g. spectrum, power etc.) usage efficiency significantly by implementing more flexible wireless resource allocation policy. A novel secondary spectrum usage scheme (i.e. opportunistic spectrum access) is introduced. The SUs in SRN can access the...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2009

    Energy-Efficient Hybrid Key Management Protocol for Wireless Sensor Networks

    In this paper, an Energy-efficient Hybrid Key Management (EHKM) protocol is proposed in which the heterogeneous security requirements of a wireless sensor network are considered to provide differing levels of security with minimum communication overhead. Additionally, it allows the dynamic creation of high security sub-networks within the wireless sensor network...

    Provided By Missouri University of Science and Technology

  • White Papers // Sep 2010

    Demonstration of a Multi-Interface Multi-Channel Routing Protocol (MMCR) for WSNs Using Missouri S&T Motes

    Typical sensor nodes are equipped with radios that can operate on multiple non-interfering channels. These channels can be utilized for parallel data transmissions thus increasing a network capacity, or to improve resilience against the RF interference and congestions. Traditional sensor networks with a very low duty cycle and minimal data...

    Provided By Missouri University of Science and Technology

  • White Papers // Feb 2009

    Secure Aggregation in Wireless Sensor Networks

    In-network aggregation in Wireless Sensor Networks (WSNs) is an approach that allows for a large savings of energy. Most wireless sensor network applications are deployed in environments which can affect the motes. An attacker may be able to gain physical access to some motes, introduce motes into the network or...

    Provided By Missouri University of Science and Technology

  • White Papers // Feb 2009

    Secure Data Aggregation in Sensor Networks

    This white paper aims to address the critical issue of secure aggregation of data streams in wireless sensor networks. Wireless Sensor Networks (WSNs) have permeated numerous applications, and are increasingly being relied upon for many mission-critical services like volcanic monitoring, forest fires monitoring, battlefield surveillance, agriculture monitoring, and railroad tunnels....

    Provided By Missouri University of Science and Technology

  • White Papers // Jun 2010

    Particle Swarm Optimization in Wireless Sensor Networks: A Brief Survey

    Wireless Sensor Networks (WSNs) are networks of autonomous nodes used for monitoring an environment. Developers of WSNs face challenges that arise from communication link failures, memory and computational constraints, and limited energy. Many issues in WSNs are formulated as multidimensional optimization problems, and approached through bio-inspired techniques. Particle Swarm Optimization...

    Provided By Missouri University of Science and Technology

  • White Papers // Aug 2010

    A Learning-Based Adaptive Routing for QoS-Aware Data Collection in Fixed Sensor Networks With Mobile Sinks

    Routing data from sensor nodes to designated mobile data sinks is a common and challenging task in a wide spectrum of Wireless Sensor Network (WSN) applications and thus becoming an active research area. In this paper, a reinforcement-learning based adaptive routing scheme implemented through Adaptive Critic Design (ACD) is proposed....

    Provided By Missouri University of Science and Technology