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Huazhong University of Science & Technology
(34 results)-
White Papers
Efficient Protocol of Secure Mobile Payment
August 17, 2007, 12:00am PDT
This paper presents an efficient mobile payment protocol in wireless insecure environments using mobile devices. The protocol optimizes the payment processes for the limited computational ability...
Provided by Huazhong University of Science & Technology
-
White Papers
SHS: Secure Hybrid Search by Combining Dynamic and Static Indexes in PEKS
April 8, 2011, 12:00am PDT
With a significant advance in ciphertext searchability, Public-key Encryption with Keyword Search (PEKS) is the first keyword searchable encryption scheme based on the probabilistic encryption,...
Provided by Huazhong University of Science & Technology
-
White Papers
Practical Frameworks for H-Out-of-N Oblivious Transfer With Security Against Covert and Malicious Adversaries
January 5, 2011, 12:00am PST
The authors present two practical frameworks for h-out-of-n Oblivious Transfer (OTn h). The first one is secure against covert adversaries who are not always willing to cheat at any price. The...
Provided by Huazhong University of Science & Technology
-
White Papers
Unified Fusion Approach With Application to SLAM
December 31, 2010, 12:00am PST
In this paper, the authors propose the pre-processor based on the Evidence Supporting Measure of Similarity (ESMS) filter and also propose the Unified Fusion Approach (UFA) based on the general...
Provided by Huazhong University of Science & Technology
-
White Papers
Optimization of Function Partition Between Hardware and Software Based on United Evolutionary Algorithm
December 1, 2009, 12:00am PST
Partition between hardware and software is a key problem in hardware-software co-design, and global optimums detection of the objective function is of vital importance in hardware/software...
Provided by Huazhong University of Science & Technology
-
White Papers
Watermarking Algorithm Research and Implementation Based on DCT Block
June 12, 2009, 12:00am PDT
In this paper the watermarking programs based on the Discrete Cosine Transform (DCT) Domain DC Component (DC) is adopted. Through adjusting the block DCT coefficient of the image the watermarks...
Provided by Huazhong University of Science & Technology
-
White Papers
A Flexible Bandwidth Allocation Scheme Using Specified Duration Based Data Acquisition in Heterogeneous Networks
May 1, 2009, 12:00am PDT
Measurement and data acquisition get the most accurate indicator, in mobile communication network. Channel occupancy for each cell shows the proportion of current traffic. In addition, call...
Provided by Huazhong University of Science & Technology
-
White Papers
G3M: A Generalized Multimedia Data Model Based on MPEG-7
October 1, 2008, 12:00am PDT
In this paper, a generalized multimedia database data model based on MPEG-7 named G3M is proposed and formally defined. Different from those XML DataBase Management System (DBMS) solutions for...
Provided by Huazhong University of Science & Technology
-
White Papers
VMDriver: A Driver-Based Monitoring Mechanism for Virtualization
July 19, 2010, 12:00am PDT
Monitoring Virtual Machine (VM) is an essential function for virtualized platforms. Existing solutions are either coarse-grained - monitoring in granularity of VM level or not general - only...
Provided by Huazhong University of Science & Technology
-
White Papers
Building Dynamic Integrity Protection for Multiple Independent Authorities in Virtualization-Based Infrastructure
July 26, 2009, 12:00am PDT
In grid and cloud computing infrastructures, the integrity of a computing platform is a critical security requirement in order to provide secure and honest computing environments to service...
Provided by Huazhong University of Science & Technology
-
White Papers
Using P Systems to Solve the Discrete Logarithm Problem Used in Diffie-Hellman Key Exchange Protocol
October 1, 2009, 12:00am PDT
The discrete logarithm problem has been used as the basis of several cryptosystems, especially the Diffie-Hellman key exchange protocol. P systems are a cluster of distributed parallel computing...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Distribution of Peak-to-Average Power Ratio and Its Applications in OFDM Systems With Unequal Power Allocation
April 19, 2010, 12:00am PDT
In this paper, the authors propose a general expression of the Peak-to-Average Power Ratio (PAPR) distribution in Orthogonal Frequency Division Multiplexing (OFDM) systems with unequal power...
Provided by Huazhong University of Science & Technology
-
Whitepapers
A Novel Lifetime-Enhanced Deployment Strategy for Chain-Type Wireless Sensor Networks
May 24, 2012, 12:00am PDT
In Chain-type Wireless Sensor Networks (CWSNs), sensor nodes closer to the Base Station (BS) need to receive and transmit more packets, resulting in more energy consumption and shorter lifetime....
Provided by Huazhong University of Science & Technology
-
Whitepapers
Least-Significant-Digit Steganography in Low Bitrate Speech
May 24, 2012, 12:00am PDT
For steganography over speech frames, Least Significant-Bit (LSB) approach has been one of the most important alternatives. However, its embedded capacity is quite limited, due to the low...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Design of LDPC Codes for Non-Contiguous OFDM-Based Communication Systems
May 24, 2012, 12:00am PDT
For Non-Contiguous OFDM (NC-OFDM) a based communication system, especially NC-OFDM-based Cognitive Ratio (CR) systems, one of critical challenges is to establish spectrum synchronization between...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Bit Allocation for Multi-Source Multi-Path P2P Video Streaming in VoD Systems Over Wireless Mesh Networks
May 24, 2012, 12:00am PDT
In this paper, the authors aim at maximizing quality playback of received video streaming perceived by users in Video on-Demand systems (VoDs) over Wireless Mesh Networks (WMNs). To do so, they...
Provided by Huazhong University of Science & Technology
-
Whitepapers
An Efficient Quantum Search Engine on Unsorted Database
April 21, 2009, 12:00am PDT
The authors consider the problem of finding one or more desired items out of an unsorted database. Patel has shown that if the database permits quantum queries, then mere digitization is...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Distributed Asynchronous Game Theoretic Solutions for Precoding Strategies in Multiuser MIMO Systems
July 1, 2012, 12:00am PDT
In this paper, the authors proposed and illustrated a distributed low-complex algorithm for pre-coding strategy selection in a Multi-User Multiple-Input Multiple-Output (MU-MIMO) wireless system...
Provided by Huazhong University of Science & Technology
-
Whitepapers
On the Cryptographic Measures and Chaotic Dynamical Complexity Measures
December 1, 2012, 12:00am PST
The relationship between cryptographic measures and chaotic dynamical complexity measures is studied in this paper, including linear complexity and measure entropy, nonlinear complexity and source...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Fault-Tolerant Scheduling for Data Collection in Wireless Sensor Networks
November 21, 2012, 12:00am PST
Wireless sensor networks are expected to be used in many different applications such as disaster relief, environmental control, and intelligent buildings. In this paper, the authors focus on a...
Provided by Huazhong University of Science & Technology
-
Whitepapers
On Arbitrating the Power-Performance Tradeoff in SaaS Clouds
January 13, 2013, 12:00am PST
In this paper, the authors present an analytical framework for characterizing and optimizing the power-performance tradeoff in Software-as-a-Service (SaaS) cloud platforms. Their objectives are...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Distributed Joint Resource Allocation in Multi-Radio Multi-Channel Wireless Mesh Networks
October 27, 2009, 12:00am PDT
In this paper, the authors study how to design distributed resource allocation in multi-radio multi-channel Wireless Mesh Networks with the objective of maximizing the network utility. They...
Provided by Huazhong University of Science & Technology
-
Whitepapers
An Efficient Distributed Data Extraction Method for Mining Sensor Network's Data
January 1, 2013, 12:00am PST
A wide range of Sensor Networks (SNs) are deployed in real world applications which generate large amount of raw sensory data. Data mining technique to extract useful knowledge from these...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Analytical Modelling of Localized P2P Streaming Systems under NAT Consideration
May 1, 2013, 12:00am PDT
NAT has been design to work with Internet client-server structure. The emerged of Peer-To-Peer (P2P) networks and applications revealed the incompatibility between P2P applications and NAT. Many...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Next Generation Mobile Cloud Gaming
May 8, 2013, 12:00am PDT
With the proliferation of smart mobile devices and broadband wireless networks, the mobile gaming market is rapidly expanding among younger generations due to its ubiquitous entertainment...
Provided by Huazhong University of Science & Technology
-
White Papers
Group Partitioning and Merging Mobility Model for Mobile Ad Hoc Networks
March 21, 2008, 12:00am PDT
In wireless ad hoc network applications, such as outdoor teaching, battlefield, scenes of a fire, flood, and earthquake a number of Mobile Hosts (MHs) may sometimes move together and sometimes...
Provided by Huazhong University of Science & Technology
-
White Papers
Live Virtual Machine Migration With Adaptive Memory Compression
August 7, 2009, 12:00am PDT
Live migration of virtual machines has been a powerful tool to facilitate system maintenance, load balancing, fault tolerance, and power-saving, especially in clusters or data centers. Although...
Provided by Huazhong University of Science & Technology
-
White Papers
AFSO: An Adaptative Frame Size Optimization Mechanism for 802.11 Networks
June 1, 2010, 12:00am PDT
In this paper, the authors analyze the impact of different frame types on self-similarity and burstiness characteristics of the aggregated frame traffic from a real 802.11 wireless local area...
Provided by Huazhong University of Science & Technology
-
White Papers
A Novel Group Key Transfer Protocol
January 26, 2012, 12:00am PST
Group key transfer protocols depend on a mutually trusted Key Generation Center (KGC) to transport the group key to all group members secretly. This approach requires that a trusted sever be set...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Regenerative and Adaptive schemes Based on Network Coding for Wireless Relay Network
May 1, 2012, 12:00am PDT
Recent technological advances in wireless communications offer new opportunities and challenges for relay network. To enhance system performance, Demodulate-Network Coding (Dm-NC) scheme has been...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Throughput Maximization in Cognitive Radio System With Transmission Probability Scheduling and Traffic Pattern Prediction
October 21, 2011, 12:00am PDT
In this paper, the authors propose a novel Transmission Probability Scheduling (TPS) scheme for opportunistic spectrum access based cognitive radio system, in which Secondary User (SU) aims to...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Throughput Maximization for Opportunistic Spectrum Access Via Transmission Probability Scheduling Scheme
June 12, 2010, 12:00am PDT
In this paper, the authors propose a novel transmission probability scheduling scheme for opportunistic spectrum access in cognitive radio networks. With the proposed scheme, the secondary user's...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Weighted Fairness Resource Allocation of Disks in XEN
June 1, 2012, 12:00am PDT
Virtualization improves the utilization ratio of resource, saving considerable amount of equipment, energy, management, etc. However, the benefits of virtualization are at the penalty of fairness...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Approximate Convex Decomposition Based Localization in Wireless Sensor Networks
December 16, 2011, 12:00am PST
Accurate localization in wireless sensor networks is the foundation for many applications, such as geographic routing and position-aware data processing. An important research direction for...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Approximate Convex Decomposition Based Localization in Wireless Sensor Networks
December 16, 2011, 12:00am PST
Accurate localization in wireless sensor networks is the foundation for many applications, such as geographic routing and position-aware data processing. An important research direction for...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Next Generation Mobile Cloud Gaming
May 8, 2013, 12:00am PDT
With the proliferation of smart mobile devices and broadband wireless networks, the mobile gaming market is rapidly expanding among younger generations due to its ubiquitous entertainment...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Analytical Modelling of Localized P2P Streaming Systems under NAT Consideration
May 1, 2013, 12:00am PDT
NAT has been design to work with Internet client-server structure. The emerged of Peer-To-Peer (P2P) networks and applications revealed the incompatibility between P2P applications and NAT. Many...
Provided by Huazhong University of Science & Technology
-
Whitepapers
An Efficient Distributed Data Extraction Method for Mining Sensor Network's Data
January 1, 2013, 12:00am PST
A wide range of Sensor Networks (SNs) are deployed in real world applications which generate large amount of raw sensory data. Data mining technique to extract useful knowledge from these...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Distributed Joint Resource Allocation in Multi-Radio Multi-Channel Wireless Mesh Networks
October 27, 2009, 12:00am PDT
In this paper, the authors study how to design distributed resource allocation in multi-radio multi-channel Wireless Mesh Networks with the objective of maximizing the network utility. They...
Provided by Huazhong University of Science & Technology
-
Whitepapers
On Arbitrating the Power-Performance Tradeoff in SaaS Clouds
January 13, 2013, 12:00am PST
In this paper, the authors present an analytical framework for characterizing and optimizing the power-performance tradeoff in Software-as-a-Service (SaaS) cloud platforms. Their objectives are...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Fault-Tolerant Scheduling for Data Collection in Wireless Sensor Networks
November 21, 2012, 12:00am PST
Wireless sensor networks are expected to be used in many different applications such as disaster relief, environmental control, and intelligent buildings. In this paper, the authors focus on a...
Provided by Huazhong University of Science & Technology
-
Whitepapers
On the Cryptographic Measures and Chaotic Dynamical Complexity Measures
December 1, 2012, 12:00am PST
The relationship between cryptographic measures and chaotic dynamical complexity measures is studied in this paper, including linear complexity and measure entropy, nonlinear complexity and source...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Distributed Asynchronous Game Theoretic Solutions for Precoding Strategies in Multiuser MIMO Systems
July 1, 2012, 12:00am PDT
In this paper, the authors proposed and illustrated a distributed low-complex algorithm for pre-coding strategy selection in a Multi-User Multiple-Input Multiple-Output (MU-MIMO) wireless system...
Provided by Huazhong University of Science & Technology
-
Whitepapers
An Efficient Quantum Search Engine on Unsorted Database
April 21, 2009, 12:00am PDT
The authors consider the problem of finding one or more desired items out of an unsorted database. Patel has shown that if the database permits quantum queries, then mere digitization is...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Bit Allocation for Multi-Source Multi-Path P2P Video Streaming in VoD Systems Over Wireless Mesh Networks
May 24, 2012, 12:00am PDT
In this paper, the authors aim at maximizing quality playback of received video streaming perceived by users in Video on-Demand systems (VoDs) over Wireless Mesh Networks (WMNs). To do so, they...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Design of LDPC Codes for Non-Contiguous OFDM-Based Communication Systems
May 24, 2012, 12:00am PDT
For Non-Contiguous OFDM (NC-OFDM) a based communication system, especially NC-OFDM-based Cognitive Ratio (CR) systems, one of critical challenges is to establish spectrum synchronization between...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Least-Significant-Digit Steganography in Low Bitrate Speech
May 24, 2012, 12:00am PDT
For steganography over speech frames, Least Significant-Bit (LSB) approach has been one of the most important alternatives. However, its embedded capacity is quite limited, due to the low...
Provided by Huazhong University of Science & Technology
-
Whitepapers
A Novel Lifetime-Enhanced Deployment Strategy for Chain-Type Wireless Sensor Networks
May 24, 2012, 12:00am PDT
In Chain-type Wireless Sensor Networks (CWSNs), sensor nodes closer to the Base Station (BS) need to receive and transmit more packets, resulting in more energy consumption and shorter lifetime....
Provided by Huazhong University of Science & Technology
-
Whitepapers
Distribution of Peak-to-Average Power Ratio and Its Applications in OFDM Systems With Unequal Power Allocation
April 19, 2010, 12:00am PDT
In this paper, the authors propose a general expression of the Peak-to-Average Power Ratio (PAPR) distribution in Orthogonal Frequency Division Multiplexing (OFDM) systems with unequal power...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Weighted Fairness Resource Allocation of Disks in XEN
June 1, 2012, 12:00am PDT
Virtualization improves the utilization ratio of resource, saving considerable amount of equipment, energy, management, etc. However, the benefits of virtualization are at the penalty of fairness...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Throughput Maximization for Opportunistic Spectrum Access Via Transmission Probability Scheduling Scheme
June 12, 2010, 12:00am PDT
In this paper, the authors propose a novel transmission probability scheduling scheme for opportunistic spectrum access in cognitive radio networks. With the proposed scheme, the secondary user's...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Throughput Maximization in Cognitive Radio System With Transmission Probability Scheduling and Traffic Pattern Prediction
October 21, 2011, 12:00am PDT
In this paper, the authors propose a novel Transmission Probability Scheduling (TPS) scheme for opportunistic spectrum access based cognitive radio system, in which Secondary User (SU) aims to...
Provided by Huazhong University of Science & Technology
-
Whitepapers
Regenerative and Adaptive schemes Based on Network Coding for Wireless Relay Network
May 1, 2012, 12:00am PDT
Recent technological advances in wireless communications offer new opportunities and challenges for relay network. To enhance system performance, Demodulate-Network Coding (Dm-NC) scheme has been...
Provided by Huazhong University of Science & Technology
-
White Papers
A Novel Group Key Transfer Protocol
January 26, 2012, 12:00am PST
Group key transfer protocols depend on a mutually trusted Key Generation Center (KGC) to transport the group key to all group members secretly. This approach requires that a trusted sever be set...
Provided by Huazhong University of Science & Technology
-
White Papers
AFSO: An Adaptative Frame Size Optimization Mechanism for 802.11 Networks
June 1, 2010, 12:00am PDT
In this paper, the authors analyze the impact of different frame types on self-similarity and burstiness characteristics of the aggregated frame traffic from a real 802.11 wireless local area...
Provided by Huazhong University of Science & Technology
-
White Papers
Live Virtual Machine Migration With Adaptive Memory Compression
August 7, 2009, 12:00am PDT
Live migration of virtual machines has been a powerful tool to facilitate system maintenance, load balancing, fault tolerance, and power-saving, especially in clusters or data centers. Although...
Provided by Huazhong University of Science & Technology
-
White Papers
Group Partitioning and Merging Mobility Model for Mobile Ad Hoc Networks
March 21, 2008, 12:00am PDT
In wireless ad hoc network applications, such as outdoor teaching, battlefield, scenes of a fire, flood, and earthquake a number of Mobile Hosts (MHs) may sometimes move together and sometimes...
Provided by Huazhong University of Science & Technology
-
White Papers
Using P Systems to Solve the Discrete Logarithm Problem Used in Diffie-Hellman Key Exchange Protocol
October 1, 2009, 12:00am PDT
The discrete logarithm problem has been used as the basis of several cryptosystems, especially the Diffie-Hellman key exchange protocol. P systems are a cluster of distributed parallel computing...
Provided by Huazhong University of Science & Technology
-
White Papers
Building Dynamic Integrity Protection for Multiple Independent Authorities in Virtualization-Based Infrastructure
July 26, 2009, 12:00am PDT
In grid and cloud computing infrastructures, the integrity of a computing platform is a critical security requirement in order to provide secure and honest computing environments to service...
Provided by Huazhong University of Science & Technology
-
White Papers
VMDriver: A Driver-Based Monitoring Mechanism for Virtualization
July 19, 2010, 12:00am PDT
Monitoring Virtual Machine (VM) is an essential function for virtualized platforms. Existing solutions are either coarse-grained - monitoring in granularity of VM level or not general - only...
Provided by Huazhong University of Science & Technology
-
White Papers
G3M: A Generalized Multimedia Data Model Based on MPEG-7
October 1, 2008, 12:00am PDT
In this paper, a generalized multimedia database data model based on MPEG-7 named G3M is proposed and formally defined. Different from those XML DataBase Management System (DBMS) solutions for...
Provided by Huazhong University of Science & Technology
-
White Papers
A Flexible Bandwidth Allocation Scheme Using Specified Duration Based Data Acquisition in Heterogeneous Networks
May 1, 2009, 12:00am PDT
Measurement and data acquisition get the most accurate indicator, in mobile communication network. Channel occupancy for each cell shows the proportion of current traffic. In addition, call...
Provided by Huazhong University of Science & Technology
-
White Papers
Watermarking Algorithm Research and Implementation Based on DCT Block
June 12, 2009, 12:00am PDT
In this paper the watermarking programs based on the Discrete Cosine Transform (DCT) Domain DC Component (DC) is adopted. Through adjusting the block DCT coefficient of the image the watermarks...
Provided by Huazhong University of Science & Technology
-
White Papers
Optimization of Function Partition Between Hardware and Software Based on United Evolutionary Algorithm
December 1, 2009, 12:00am PST
Partition between hardware and software is a key problem in hardware-software co-design, and global optimums detection of the objective function is of vital importance in hardware/software...
Provided by Huazhong University of Science & Technology
-
White Papers
Unified Fusion Approach With Application to SLAM
December 31, 2010, 12:00am PST
In this paper, the authors propose the pre-processor based on the Evidence Supporting Measure of Similarity (ESMS) filter and also propose the Unified Fusion Approach (UFA) based on the general...
Provided by Huazhong University of Science & Technology
-
White Papers
Practical Frameworks for H-Out-of-N Oblivious Transfer With Security Against Covert and Malicious Adversaries
January 5, 2011, 12:00am PST
The authors present two practical frameworks for h-out-of-n Oblivious Transfer (OTn h). The first one is secure against covert adversaries who are not always willing to cheat at any price. The...
Provided by Huazhong University of Science & Technology
-
White Papers
SHS: Secure Hybrid Search by Combining Dynamic and Static Indexes in PEKS
April 8, 2011, 12:00am PDT
With a significant advance in ciphertext searchability, Public-key Encryption with Keyword Search (PEKS) is the first keyword searchable encryption scheme based on the probabilistic encryption,...
Provided by Huazhong University of Science & Technology
-
White Papers
Efficient Protocol of Secure Mobile Payment
August 17, 2007, 12:00am PDT
This paper presents an efficient mobile payment protocol in wireless insecure environments using mobile devices. The protocol optimizes the payment processes for the limited computational ability...
Provided by Huazhong University of Science & Technology
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