- Subscribe to this page:
- RSS
- Email Alert
National University of Defense Technology
(28 results)-
White Papers
Novel Symbol-Wise ML Decodable STBC for IEEE 802.16e/m Standard
June 18, 2009, 12:00am PDT
This paper is novel real symbol-wise ML decodable STBCs with balanced information distribution per codeword are constructed systemically for arbitrary number of transmit antennas. Compared with...
Provided by National University of Defense Technology
-
White Papers
Design and Implementation of Hybrid Broadcast Authentication Protocols in Wireless Sensor Networks
January 1, 2009, 12:00am PST
A Wireless Sensor Network (WSN) is a wireless network consisting of spatially distributed resource constrained sensor nodes which can cooperatively monitor physical or environmental conditions....
Provided by National University of Defense Technology
-
White Papers
Wukong: A Cloud-Oriented File Service for Mobile Internet Devices
May 4, 2010, 12:00am PDT
Along with the rapid growth of heterogeneous cloud services and network technologies, more mobile devices use cloud storage services to enlarge the capacity and share data in the daily lives. The...
Provided by National University of Defense Technology
-
White Papers
Some Observations on MISTY Structure With SPN Round Function
April 9, 2011, 12:00am PDT
MISTY structure is a kind of block cipher structure that can provide provable security against differential and linear cryptanalysis. In this paper, the authors present some distinguishing...
Provided by National University of Defense Technology
-
White Papers
Service-Oriented High Level Architecture
August 6, 2009, 12:00am PDT
Recently, service-oriented paradigm is emerging as a new pattern following process-oriented and object-oriented ones in systems analysis and software development. Service-Oriented High Level...
Provided by National University of Defense Technology
-
White Papers
Three-Dimensional Conceptual Model for Service-Oriented Simulation
June 6, 2009, 12:00am PDT
In this paper, the authors propose a novel three-dimensional conceptual model for an emerging service-oriented simulation paradigm. The model can be used as a guideline or an analytic means to...
Provided by National University of Defense Technology
-
White Papers
Research and Development of 3D Modeling
January 1, 2008, 12:00am PST
3D modeling is a key technique to much research and applications. In different fields of research and applications, 3D modeling methods of model-data acquisition and modeling have their own...
Provided by National University of Defense Technology
-
White Papers
Service-Oriented Simulation Framework: An Overview and Unifying Methodology
December 21, 2010, 12:00am PST
The prevailing net-centric environment demands and enables modeling and simulation to combine efforts from numerous disciplines. Software techniques and methodology, in particular service-oriented...
Provided by National University of Defense Technology
-
White Papers
Power-Efficient Tree-Based Multicast Support for Networks-on-Chip
November 6, 2010, 12:00am PDT
In this paper, a novel hardware supporting for multicast on mesh Networks-on-Chip (NoC) is proposed. It supports multicast routing on any shape of tree-based path. Two power-efficient tree-based...
Provided by National University of Defense Technology
-
White Papers
Speedup Analysis of Data-Parallel Applications on Multi-Core NoCs
September 24, 2009, 12:00am PDT
As more computing cores are integrated onto a single chip, the effect of network communication latency is becoming more and more significant on multi-core Network-on-Chips (NoCs). For...
Provided by National University of Defense Technology
-
White Papers
A Fair-Priority MAC Design in Networked Control System
October 1, 2009, 12:00am PDT
Media Access Control (MAC) protocols in Wireless Networked Control System (WNCS) must minimize the radio energy costs in sensor nodes. Latency and throughput are also important design features for...
Provided by National University of Defense Technology
-
Whitepapers
An Evolutionary Time Spread Multiple Access Protocol for Ad Hoc Networks
March 11, 2008, 12:00am PDT
In this paper, the authors propose an Evolutionary Time Spread Multiple Access (E-TSMA) protocol which is independent of topology changes for ad hoc networks. Their proposed protocol is based on...
Provided by National University of Defense Technology
-
White Papers
Applying Low-Latency Peer-to-Peer Muliticast to Online Collaborative Language Learning
April 1, 2011, 12:00am PDT
Peer-to-Peer computing technology brings satisfactory distance education to a large number of people at anytime anywhere with a low cost. While many online learning systems connect students...
Provided by National University of Defense Technology
-
White Papers
Jammer Localization for Wireless Sensor Networks
October 1, 2011, 12:00am PDT
Jamming attack can severely affect the performance of Wireless Sensor Networks (WSNs) due to the broadcast nature of wireless medium. In order to localize the source of the attacker, they in this...
Provided by National University of Defense Technology
-
White Papers
Exploiting Spatial Reuse in Multi-Hop MIMO Networks: Models, Algorithms, and Evaluation
August 2, 2009, 12:00am PDT
MIMO has great potential for enhancing the throughput of multi-hop wireless networks via spatial multiplexing or spatial reuse techniques. Spatial reuse outperforms spatial multiplexing in terms...
Provided by National University of Defense Technology
-
White Papers
Topological Detection on Wormholes in Wireless Ad Hoc and Sensor Networks
September 5, 2009, 12:00am PDT
Wormhole attack is a severe threat to wireless ad hoc and sensor networks. Most existing countermeasures either require specialized hardware devices or make strong assumptions on the network in...
Provided by National University of Defense Technology
-
White Papers
Fine-Grained Location-Free Planarization in Wireless Sensor Networks
January 10, 2011, 12:00am PST
Extracting planar graph from network topologies is of great importance for efficient protocol design in wireless ad hoc and sensor networks. Previous techniques of planar topology extraction are...
Provided by National University of Defense Technology
-
White Papers
RSFB: A Resilient Stochastic Fair Blue Algorithm Against Spoofing DDoS Attacks
November 23, 2009, 12:00am PST
The existing Active Queue Management (AQM) algorithms, including the fairness-aimed ones, are notably vulnerable to spoofing DDoS attacks. The authors propose a Resilient Stochastic Fair Blue...
Provided by National University of Defense Technology
-
White Papers
Evaluation of Deflection Routing on Various NoC Topologies
June 25, 2011, 12:00am PDT
In this paper, the authors propose two novel deflection routing algorithms for de Bruijn and Spidergon NoCs and evaluate the performance of the deflection routing on 5 NoC topologies with...
Provided by National University of Defense Technology
-
White Papers
A Game-Theoretic Approach to Joint Modulation, Rate and Power Control for Cognitive CDMA Communications
February 1, 2011, 12:00am PST
A game-theoretic framework was used to study the effect of modulation on the energy efficiency of cognitive CDMA (Code Division Multiple Access) communications for adaptive modulation. The authors...
Provided by National University of Defense Technology
-
White Papers
Multi-Channel-Multi-MAC Model Architecture for Multi-Net-Multi-Link Tactical Data Link in NS-2
April 1, 2011, 12:00am PDT
Because of the coexistence of multiplex Tactical Data Links (TDLs) it is urgent to study the cooperation of Multi-Net-Multi-Link (MNML) TDL. This paper proposes a Multi-Channel-Multi-MAC (MCMM)...
Provided by National University of Defense Technology
-
White Papers
On the Security of NMAC and Its Variants
December 2, 2011, 12:00am PST
HMAC, a derivative of NMAC, is a practically and commonly used, widely standardized MAC construction nowadays. HMAC has two advantages. First, HMAC can make use of current hash functions, the most...
Provided by National University of Defense Technology
-
White Papers
Space-Time Codes With Block-Orthogonal Structure and Their Simplified ML and Near-ML Decoding
May 18, 2010, 12:00am PDT
Existing high-rate full diversity Space-Time Codes (STC) always have high decoding complexity with traditional ML (maximum-likelihood) or near-ML decoding. Hence the decoding scheme with reduced...
Provided by National University of Defense Technology
-
White Papers
Delay-Tolerant Cooperative Diversity Routing MANET
May 18, 2010, 12:00am PDT
Some Mobile Ad hoc NETworks (MANETs) such as inter-vehicle communications require a transmission scheme that is robust to mobility and asynchronous reception with low setup overhead. However, many...
Provided by National University of Defense Technology
-
White Papers
Fast-Group-Decodable Space-Time Block Code
August 23, 2009, 12:00am PDT
To make the implementation of high-rate STBC realistic in practical systems, group-decodable and fast-decodable code structures have been separately introduced into STBC to reduce the sphere...
Provided by National University of Defense Technology
-
White Papers
Block-Orthogonal Space-Time Codes With Decoding Complexity Reduction
March 31, 2010, 12:00am PDT
Conventional approaches to high-rate Space-Time Codes (STC) design focus on achieving maximum diversity and spatial multiplexing gains, hence they always have high decoding complexity. In this...
Provided by National University of Defense Technology
-
White Papers
Whole Packet Forwarding: Efficient Design of Fully Adaptive Routing Algorithms for Networks-on-Chip
January 6, 2012, 12:00am PST
Routing algorithms for Networks-on-Chip (NoCs) typically only have a small number of Virtual Channels (VCs) at their disposal. Limited VCs pose several challenges to the design of fully adaptive...
Provided by National University of Defense Technology
-
Whitepapers
Understanding the Scheduling Performance in Wireless Networks With Successive Interference Cancellation
May 30, 2012, 12:00am PDT
Successive Interference Cancellation (SIC) is an effective way of multi-packet reception to combat interference in wireless networks. The authors focus on link scheduling in wireless networks with...
Provided by National University of Defense Technology
-
Whitepapers
An Evolutionary Time Spread Multiple Access Protocol for Ad Hoc Networks
March 11, 2008, 12:00am PDT
In this paper, the authors propose an Evolutionary Time Spread Multiple Access (E-TSMA) protocol which is independent of topology changes for ad hoc networks. Their proposed protocol is based on...
Provided by National University of Defense Technology
-
Whitepapers
Understanding the Scheduling Performance in Wireless Networks With Successive Interference Cancellation
May 30, 2012, 12:00am PDT
Successive Interference Cancellation (SIC) is an effective way of multi-packet reception to combat interference in wireless networks. The authors focus on link scheduling in wireless networks with...
Provided by National University of Defense Technology
-
White Papers
Whole Packet Forwarding: Efficient Design of Fully Adaptive Routing Algorithms for Networks-on-Chip
January 6, 2012, 12:00am PST
Routing algorithms for Networks-on-Chip (NoCs) typically only have a small number of Virtual Channels (VCs) at their disposal. Limited VCs pose several challenges to the design of fully adaptive...
Provided by National University of Defense Technology
-
White Papers
Block-Orthogonal Space-Time Codes With Decoding Complexity Reduction
March 31, 2010, 12:00am PDT
Conventional approaches to high-rate Space-Time Codes (STC) design focus on achieving maximum diversity and spatial multiplexing gains, hence they always have high decoding complexity. In this...
Provided by National University of Defense Technology
-
White Papers
Fast-Group-Decodable Space-Time Block Code
August 23, 2009, 12:00am PDT
To make the implementation of high-rate STBC realistic in practical systems, group-decodable and fast-decodable code structures have been separately introduced into STBC to reduce the sphere...
Provided by National University of Defense Technology
-
White Papers
Delay-Tolerant Cooperative Diversity Routing MANET
May 18, 2010, 12:00am PDT
Some Mobile Ad hoc NETworks (MANETs) such as inter-vehicle communications require a transmission scheme that is robust to mobility and asynchronous reception with low setup overhead. However, many...
Provided by National University of Defense Technology
-
White Papers
Space-Time Codes With Block-Orthogonal Structure and Their Simplified ML and Near-ML Decoding
May 18, 2010, 12:00am PDT
Existing high-rate full diversity Space-Time Codes (STC) always have high decoding complexity with traditional ML (maximum-likelihood) or near-ML decoding. Hence the decoding scheme with reduced...
Provided by National University of Defense Technology
-
White Papers
On the Security of NMAC and Its Variants
December 2, 2011, 12:00am PST
HMAC, a derivative of NMAC, is a practically and commonly used, widely standardized MAC construction nowadays. HMAC has two advantages. First, HMAC can make use of current hash functions, the most...
Provided by National University of Defense Technology
-
White Papers
Multi-Channel-Multi-MAC Model Architecture for Multi-Net-Multi-Link Tactical Data Link in NS-2
April 1, 2011, 12:00am PDT
Because of the coexistence of multiplex Tactical Data Links (TDLs) it is urgent to study the cooperation of Multi-Net-Multi-Link (MNML) TDL. This paper proposes a Multi-Channel-Multi-MAC (MCMM)...
Provided by National University of Defense Technology
-
White Papers
A Game-Theoretic Approach to Joint Modulation, Rate and Power Control for Cognitive CDMA Communications
February 1, 2011, 12:00am PST
A game-theoretic framework was used to study the effect of modulation on the energy efficiency of cognitive CDMA (Code Division Multiple Access) communications for adaptive modulation. The authors...
Provided by National University of Defense Technology
-
White Papers
Evaluation of Deflection Routing on Various NoC Topologies
June 25, 2011, 12:00am PDT
In this paper, the authors propose two novel deflection routing algorithms for de Bruijn and Spidergon NoCs and evaluate the performance of the deflection routing on 5 NoC topologies with...
Provided by National University of Defense Technology
-
White Papers
RSFB: A Resilient Stochastic Fair Blue Algorithm Against Spoofing DDoS Attacks
November 23, 2009, 12:00am PST
The existing Active Queue Management (AQM) algorithms, including the fairness-aimed ones, are notably vulnerable to spoofing DDoS attacks. The authors propose a Resilient Stochastic Fair Blue...
Provided by National University of Defense Technology
-
White Papers
Fine-Grained Location-Free Planarization in Wireless Sensor Networks
January 10, 2011, 12:00am PST
Extracting planar graph from network topologies is of great importance for efficient protocol design in wireless ad hoc and sensor networks. Previous techniques of planar topology extraction are...
Provided by National University of Defense Technology
-
White Papers
Topological Detection on Wormholes in Wireless Ad Hoc and Sensor Networks
September 5, 2009, 12:00am PDT
Wormhole attack is a severe threat to wireless ad hoc and sensor networks. Most existing countermeasures either require specialized hardware devices or make strong assumptions on the network in...
Provided by National University of Defense Technology
-
White Papers
Exploiting Spatial Reuse in Multi-Hop MIMO Networks: Models, Algorithms, and Evaluation
August 2, 2009, 12:00am PDT
MIMO has great potential for enhancing the throughput of multi-hop wireless networks via spatial multiplexing or spatial reuse techniques. Spatial reuse outperforms spatial multiplexing in terms...
Provided by National University of Defense Technology
-
White Papers
Jammer Localization for Wireless Sensor Networks
October 1, 2011, 12:00am PDT
Jamming attack can severely affect the performance of Wireless Sensor Networks (WSNs) due to the broadcast nature of wireless medium. In order to localize the source of the attacker, they in this...
Provided by National University of Defense Technology
-
White Papers
Applying Low-Latency Peer-to-Peer Muliticast to Online Collaborative Language Learning
April 1, 2011, 12:00am PDT
Peer-to-Peer computing technology brings satisfactory distance education to a large number of people at anytime anywhere with a low cost. While many online learning systems connect students...
Provided by National University of Defense Technology
-
White Papers
A Fair-Priority MAC Design in Networked Control System
October 1, 2009, 12:00am PDT
Media Access Control (MAC) protocols in Wireless Networked Control System (WNCS) must minimize the radio energy costs in sensor nodes. Latency and throughput are also important design features for...
Provided by National University of Defense Technology
-
White Papers
Speedup Analysis of Data-Parallel Applications on Multi-Core NoCs
September 24, 2009, 12:00am PDT
As more computing cores are integrated onto a single chip, the effect of network communication latency is becoming more and more significant on multi-core Network-on-Chips (NoCs). For...
Provided by National University of Defense Technology
-
White Papers
Power-Efficient Tree-Based Multicast Support for Networks-on-Chip
November 6, 2010, 12:00am PDT
In this paper, a novel hardware supporting for multicast on mesh Networks-on-Chip (NoC) is proposed. It supports multicast routing on any shape of tree-based path. Two power-efficient tree-based...
Provided by National University of Defense Technology
-
White Papers
Service-Oriented Simulation Framework: An Overview and Unifying Methodology
December 21, 2010, 12:00am PST
The prevailing net-centric environment demands and enables modeling and simulation to combine efforts from numerous disciplines. Software techniques and methodology, in particular service-oriented...
Provided by National University of Defense Technology
-
White Papers
Research and Development of 3D Modeling
January 1, 2008, 12:00am PST
3D modeling is a key technique to much research and applications. In different fields of research and applications, 3D modeling methods of model-data acquisition and modeling have their own...
Provided by National University of Defense Technology
-
White Papers
Three-Dimensional Conceptual Model for Service-Oriented Simulation
June 6, 2009, 12:00am PDT
In this paper, the authors propose a novel three-dimensional conceptual model for an emerging service-oriented simulation paradigm. The model can be used as a guideline or an analytic means to...
Provided by National University of Defense Technology
-
White Papers
Service-Oriented High Level Architecture
August 6, 2009, 12:00am PDT
Recently, service-oriented paradigm is emerging as a new pattern following process-oriented and object-oriented ones in systems analysis and software development. Service-Oriented High Level...
Provided by National University of Defense Technology
-
White Papers
Some Observations on MISTY Structure With SPN Round Function
April 9, 2011, 12:00am PDT
MISTY structure is a kind of block cipher structure that can provide provable security against differential and linear cryptanalysis. In this paper, the authors present some distinguishing...
Provided by National University of Defense Technology
-
White Papers
Wukong: A Cloud-Oriented File Service for Mobile Internet Devices
May 4, 2010, 12:00am PDT
Along with the rapid growth of heterogeneous cloud services and network technologies, more mobile devices use cloud storage services to enlarge the capacity and share data in the daily lives. The...
Provided by National University of Defense Technology
-
White Papers
Design and Implementation of Hybrid Broadcast Authentication Protocols in Wireless Sensor Networks
January 1, 2009, 12:00am PST
A Wireless Sensor Network (WSN) is a wireless network consisting of spatially distributed resource constrained sensor nodes which can cooperatively monitor physical or environmental conditions....
Provided by National University of Defense Technology
-
White Papers
Novel Symbol-Wise ML Decodable STBC for IEEE 802.16e/m Standard
June 18, 2009, 12:00am PDT
This paper is novel real symbol-wise ML decodable STBCs with balanced information distribution per codeword are constructed systemically for arbitrary number of transmit antennas. Compared with...
Provided by National University of Defense Technology
Keep Up with TechRepublic
Submit a Paper
Get your content listed in our directory!
Our directory is the largest library of vendor-supplied technical content on the Web. It’s also the first place IT decision makers turn to when researching technology solutions. Our members are already finding your competitors’ papers here - shouldn’t they find yours, too? It's FREE so click here and submit your white paper, case study, data sheet, research report, or other document today!
