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BeiHang University
(27 results)-
White Papers
Energy-Efficient MAC Protocols for Wireless Sensor Networks
September 14, 2009, 12:00am PDT
Designing energy-efficient Medium Access Control (MAC) protocols has a significant influence on the energy performance of Wireless Sensor Network (WSN). This paper presents a survey of the recent...
Provided by BeiHang University
-
White Papers
Software Test Data Generation Based on Multi-Agent
January 1, 2010, 12:00am PST
Software test data generation is an important part of software testing. This paper presents a multi-agent cooperation framework for software test data generation. The framework is constituted by...
Provided by BeiHang University
-
White Papers
An On-Demand Address Allocation Scheme for Query Based Sensor Networks
January 1, 2011, 12:00am PST
Current schemes for Wireless Sensor Network addressing are mainly based on static sensor node address which is determined in the process of deployment. However, with the increase of the network...
Provided by BeiHang University
-
White Papers
Fine-Grained Channel Access in Wireless LAN
September 3, 2010, 12:00am PDT
Modern communication technologies are steadily advancing the PHYsical Layer (PHY) data rate in wireless LANs, from hundreds of Mbps in current 802.11n to over Gbps in the near future. As PHY data...
Provided by BeiHang University
-
White Papers
Time Series of Internet AS-Level Topology Graphs: Four Patterns and One Model
December 26, 2008, 12:00am PST
Researchers have proposed a variety of Internet topology models. However almost all of them focus on generating one graph based on one single static source graph. On the other hand, Internet...
Provided by BeiHang University
-
White Papers
Enhancing the Robustness of Scale-Free Networks
April 1, 2009, 12:00am PDT
Error tolerance and attack vulnerability are two common and important properties of complex networks, which are usually used to evaluate the robustness of a network. Recently, much work has been...
Provided by BeiHang University
-
White Papers
Modeling the IPv6 Internet AS-level Topology
May 14, 2009, 12:00am PDT
To measure the IPv6 internet AS-level topology, a network topology discovery system, called Dolphin, was developed. By comparing the measurement result of Dolphin with that of CAIDA's Scamper, it...
Provided by BeiHang University
-
White Papers
Efficient Location-Aware Replication Scheme for Reliable Group Communication Applications
November 18, 2010, 12:00am PST
In this paper, the authors present an efficient replication scheme designed to provide scalable and reliable group communication services for end system nodes that are widely dispersed in the...
Provided by BeiHang University
-
White Papers
Interactive Model Based on an Extended CPN
June 9, 2009, 12:00am PDT
The UML modeling of complex distributed systems often is a great challenge due to the large amount of parallel real-time operating components. In this paper the problems of verification of such...
Provided by BeiHang University
-
White Papers
Routing and Scheduling in Large-Scale Hybrid Network With Heterogeneous Infrastructure
May 12, 2008, 12:00am PDT
The authors present a practical routing and scheduling method to improving the capacity of ad hoc networks with infrastructure support. The performance of a large scale hybrid network with...
Provided by BeiHang University
-
White Papers
The Impact Of Macroeconomic Uncertainty On Firms' Changes In Financial Leverage
January 16, 2009, 12:00am PST
The authors investigate the relationship between a firm's measures of corporate governance, macroeconomic uncertainty and changes in leverage. Recent research highlights the role of governance in...
Provided by BeiHang University
-
Whitepapers
Energy Efficiency Comparison Among Direct, One-Way and Two-Way Relay Transmission
May 24, 2012, 12:00am PDT
In this paper, the authors compare the Energy Efficiencies (EEs) of Direct Transmission (DT), One-Way Relay Transmission (OWRT) and Two-Way Relay Transmission (TWRT) in a system where two source...
Provided by BeiHang University
-
Whitepapers
Energy-Efficient Configuration of Spatial and Frequency Resources in MIMO-OFDMA Systems
May 24, 2012, 12:00am PDT
In this paper, the authors investigate adaptive configuration of spatial and frequency resources to maximize Energy Efficiency (EE) and reveal the relationship between the EE and the Spectral...
Provided by BeiHang University
-
Whitepapers
Asymptotic Spectral-Efficiency of MIMO-CDMA Systems with Arbitrary Spatial Correlation
July 28, 2011, 12:00am PDT
In this contribution, the authors analyze the Asymptotic Spectral-Efficiency (ASE) of multiuser MIMO-CDMA systems, when assuming communications over flat fading channels with arbitrary spatial...
Provided by BeiHang University
-
Whitepapers
A New Metric for Routing in Military Wireless Network
April 7, 2013, 12:00am PDT
Wireless ad-hoc network is generally employed in military and emergencies due to its flexibility and easy-to-use. It's suitable for military wireless network that has the characteristics of...
Provided by BeiHang University
-
White Papers
vSaaS:A Virtual Software as a Service Architecture for Cloud Computing Environment
August 5, 2009, 12:00am PDT
With the increasing prevalence of large scale cloud computing environment, how to provide the software as a service through the internet has become an essential research problem. In this paper,...
Provided by BeiHang University
-
White Papers
HyperMIP: Hypervisor Controlled Mobile IP for Virtual Machine Live Migration Across Networks
September 4, 2008, 12:00am PDT
Live migration provides transparent load-balancing and fault-tolerant mechanism for applications. When a virtual machine migrates among hosts residing in two networks, the network attachment point...
Provided by BeiHang University
-
White Papers
CROWNBench: A Grid Performance Testing System Using Customizable Synthetic Workload
April 29, 2008, 12:00am PDT
The Grid middleware must be developed iteratively and incrementally, so Grid performance testing is critical for middleware developers of Grid system. Considering the special characters of Grid...
Provided by BeiHang University
-
White Papers
Ultralightweight RFID Authentication Protocol Based on Random Partitions of Pseudorandom Identifier and Pre-Shared Secret Value
October 1, 2011, 12:00am PDT
As open and wireless RFID air interfaces suffer from severe threats, concerns with respect to the security and privacy problems are increasingly becoming noteworthy issues. The paper proposes an...
Provided by BeiHang University
-
White Papers
LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management
August 20, 2009, 12:00am PDT
Traffic management is the adaptation of source rates and routing to efficiently utilize network resources. Recently, the complicated interactions between different Internet traffic management...
Provided by BeiHang University
-
White Papers
Sensor Selection for Target Tracking in a Wireless Sensor Network of Bearing-Only Sensor
January 1, 2012, 12:00am PST
In this paper, the authors proposed a Linear Weighted Distance-based Sensor Selection (LWDSS) algorithm for target tracking application in a Wireless Sensor Network (WSN) of bearing-only sensors....
Provided by BeiHang University
-
White Papers
An Interactive Animation System for Mobile Devices
February 1, 2011, 12:00am PST
The limitations of resource on mobile devices make the animation on mobile devices become a challenge. This paper proposes a novel interactive remote animation system for mobile devices. Given a...
Provided by BeiHang University
-
White Papers
Minimizing Key Storage in MANETs
June 1, 2011, 12:00am PDT
Key management in mobile ad hoc networks is a challenging problem because of the storage constraint. By using the periodic property of cosine function, a light-weight key management scheme with...
Provided by BeiHang University
-
White Papers
Structural Analysis of Network Traffic Matrix Via Relaxed Principal Component Pursuit
March 7, 2012, 12:00am PST
The network traffic matrix is widely used in network operation and management. It is therefore of crucial importance to analyze the components and the structure of the network traffic matrix, for...
Provided by BeiHang University
-
Whitepapers
Channel Norm-Based User Scheduling in Coordinated Multi-Point Systems
March 31, 2009, 12:00am PDT
In this paper, the authors address the problem of user scheduling in Coordinated Multi-Point transmission (CoMP) systems, where multiple users are selected and served simultaneously by several...
Provided by BeiHang University
-
Whitepapers
A Map Matching Algorithm for Intersections Based on Floating Car Data
February 20, 2008, 12:00am PST
The traditional map matching algorithms consider little about the complicated structure of the road network, and regard all roads as the same. However, in the Transportation Information System...
Provided by BeiHang University
-
Whitepapers
CyberGuarder: A Virtualization Security Assurance Architecture for Green Cloud Computing
March 2, 2012, 12:00am PST
With energy and power costs increasing as the size of IT infrastructures grows, virtualization technologies enable scalable management for large scale of virtual machines running on physical...
Provided by BeiHang University
-
Whitepapers
CyberGuarder: A Virtualization Security Assurance Architecture for Green Cloud Computing
March 2, 2012, 12:00am PST
With energy and power costs increasing as the size of IT infrastructures grows, virtualization technologies enable scalable management for large scale of virtual machines running on physical...
Provided by BeiHang University
-
Whitepapers
A New Metric for Routing in Military Wireless Network
April 7, 2013, 12:00am PDT
Wireless ad-hoc network is generally employed in military and emergencies due to its flexibility and easy-to-use. It's suitable for military wireless network that has the characteristics of...
Provided by BeiHang University
-
Whitepapers
Asymptotic Spectral-Efficiency of MIMO-CDMA Systems with Arbitrary Spatial Correlation
July 28, 2011, 12:00am PDT
In this contribution, the authors analyze the Asymptotic Spectral-Efficiency (ASE) of multiuser MIMO-CDMA systems, when assuming communications over flat fading channels with arbitrary spatial...
Provided by BeiHang University
-
Whitepapers
Energy-Efficient Configuration of Spatial and Frequency Resources in MIMO-OFDMA Systems
May 24, 2012, 12:00am PDT
In this paper, the authors investigate adaptive configuration of spatial and frequency resources to maximize Energy Efficiency (EE) and reveal the relationship between the EE and the Spectral...
Provided by BeiHang University
-
Whitepapers
Energy Efficiency Comparison Among Direct, One-Way and Two-Way Relay Transmission
May 24, 2012, 12:00am PDT
In this paper, the authors compare the Energy Efficiencies (EEs) of Direct Transmission (DT), One-Way Relay Transmission (OWRT) and Two-Way Relay Transmission (TWRT) in a system where two source...
Provided by BeiHang University
-
Whitepapers
A Map Matching Algorithm for Intersections Based on Floating Car Data
February 20, 2008, 12:00am PST
The traditional map matching algorithms consider little about the complicated structure of the road network, and regard all roads as the same. However, in the Transportation Information System...
Provided by BeiHang University
-
Whitepapers
Channel Norm-Based User Scheduling in Coordinated Multi-Point Systems
March 31, 2009, 12:00am PDT
In this paper, the authors address the problem of user scheduling in Coordinated Multi-Point transmission (CoMP) systems, where multiple users are selected and served simultaneously by several...
Provided by BeiHang University
-
White Papers
Structural Analysis of Network Traffic Matrix Via Relaxed Principal Component Pursuit
March 7, 2012, 12:00am PST
The network traffic matrix is widely used in network operation and management. It is therefore of crucial importance to analyze the components and the structure of the network traffic matrix, for...
Provided by BeiHang University
-
White Papers
Minimizing Key Storage in MANETs
June 1, 2011, 12:00am PDT
Key management in mobile ad hoc networks is a challenging problem because of the storage constraint. By using the periodic property of cosine function, a light-weight key management scheme with...
Provided by BeiHang University
-
White Papers
An Interactive Animation System for Mobile Devices
February 1, 2011, 12:00am PST
The limitations of resource on mobile devices make the animation on mobile devices become a challenge. This paper proposes a novel interactive remote animation system for mobile devices. Given a...
Provided by BeiHang University
-
White Papers
Sensor Selection for Target Tracking in a Wireless Sensor Network of Bearing-Only Sensor
January 1, 2012, 12:00am PST
In this paper, the authors proposed a Linear Weighted Distance-based Sensor Selection (LWDSS) algorithm for target tracking application in a Wireless Sensor Network (WSN) of bearing-only sensors....
Provided by BeiHang University
-
White Papers
LBMP: A Logarithm-Barrier-Based Multipath Protocol for Internet Traffic Management
August 20, 2009, 12:00am PDT
Traffic management is the adaptation of source rates and routing to efficiently utilize network resources. Recently, the complicated interactions between different Internet traffic management...
Provided by BeiHang University
-
White Papers
Ultralightweight RFID Authentication Protocol Based on Random Partitions of Pseudorandom Identifier and Pre-Shared Secret Value
October 1, 2011, 12:00am PDT
As open and wireless RFID air interfaces suffer from severe threats, concerns with respect to the security and privacy problems are increasingly becoming noteworthy issues. The paper proposes an...
Provided by BeiHang University
-
White Papers
CROWNBench: A Grid Performance Testing System Using Customizable Synthetic Workload
April 29, 2008, 12:00am PDT
The Grid middleware must be developed iteratively and incrementally, so Grid performance testing is critical for middleware developers of Grid system. Considering the special characters of Grid...
Provided by BeiHang University
-
White Papers
HyperMIP: Hypervisor Controlled Mobile IP for Virtual Machine Live Migration Across Networks
September 4, 2008, 12:00am PDT
Live migration provides transparent load-balancing and fault-tolerant mechanism for applications. When a virtual machine migrates among hosts residing in two networks, the network attachment point...
Provided by BeiHang University
-
White Papers
vSaaS:A Virtual Software as a Service Architecture for Cloud Computing Environment
August 5, 2009, 12:00am PDT
With the increasing prevalence of large scale cloud computing environment, how to provide the software as a service through the internet has become an essential research problem. In this paper,...
Provided by BeiHang University
-
White Papers
The Impact Of Macroeconomic Uncertainty On Firms' Changes In Financial Leverage
January 16, 2009, 12:00am PST
The authors investigate the relationship between a firm's measures of corporate governance, macroeconomic uncertainty and changes in leverage. Recent research highlights the role of governance in...
Provided by BeiHang University
-
White Papers
Routing and Scheduling in Large-Scale Hybrid Network With Heterogeneous Infrastructure
May 12, 2008, 12:00am PDT
The authors present a practical routing and scheduling method to improving the capacity of ad hoc networks with infrastructure support. The performance of a large scale hybrid network with...
Provided by BeiHang University
-
White Papers
Interactive Model Based on an Extended CPN
June 9, 2009, 12:00am PDT
The UML modeling of complex distributed systems often is a great challenge due to the large amount of parallel real-time operating components. In this paper the problems of verification of such...
Provided by BeiHang University
-
White Papers
Efficient Location-Aware Replication Scheme for Reliable Group Communication Applications
November 18, 2010, 12:00am PST
In this paper, the authors present an efficient replication scheme designed to provide scalable and reliable group communication services for end system nodes that are widely dispersed in the...
Provided by BeiHang University
-
White Papers
Modeling the IPv6 Internet AS-level Topology
May 14, 2009, 12:00am PDT
To measure the IPv6 internet AS-level topology, a network topology discovery system, called Dolphin, was developed. By comparing the measurement result of Dolphin with that of CAIDA's Scamper, it...
Provided by BeiHang University
-
White Papers
Enhancing the Robustness of Scale-Free Networks
April 1, 2009, 12:00am PDT
Error tolerance and attack vulnerability are two common and important properties of complex networks, which are usually used to evaluate the robustness of a network. Recently, much work has been...
Provided by BeiHang University
-
White Papers
Time Series of Internet AS-Level Topology Graphs: Four Patterns and One Model
December 26, 2008, 12:00am PST
Researchers have proposed a variety of Internet topology models. However almost all of them focus on generating one graph based on one single static source graph. On the other hand, Internet...
Provided by BeiHang University
-
White Papers
Fine-Grained Channel Access in Wireless LAN
September 3, 2010, 12:00am PDT
Modern communication technologies are steadily advancing the PHYsical Layer (PHY) data rate in wireless LANs, from hundreds of Mbps in current 802.11n to over Gbps in the near future. As PHY data...
Provided by BeiHang University
-
White Papers
An On-Demand Address Allocation Scheme for Query Based Sensor Networks
January 1, 2011, 12:00am PST
Current schemes for Wireless Sensor Network addressing are mainly based on static sensor node address which is determined in the process of deployment. However, with the increase of the network...
Provided by BeiHang University
-
White Papers
Software Test Data Generation Based on Multi-Agent
January 1, 2010, 12:00am PST
Software test data generation is an important part of software testing. This paper presents a multi-agent cooperation framework for software test data generation. The framework is constituted by...
Provided by BeiHang University
-
White Papers
Energy-Efficient MAC Protocols for Wireless Sensor Networks
September 14, 2009, 12:00am PDT
Designing energy-efficient Medium Access Control (MAC) protocols has a significant influence on the energy performance of Wireless Sensor Network (WSN). This paper presents a survey of the recent...
Provided by BeiHang University
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