University of Queensland

Displaying 1-40 of 40 results

  • White Papers // Apr 2011

    3D Motion Reconstruction for Real-World Camera Motion

    This paper addresses the problem of 3D motion reconstruction from a series of 2D projections under low reconstructibility. Reconstructibility defines the accuracy of a 3D reconstruction from 2D projections given a particular trajectory basis, 3D point trajectory, and 3D camera center trajectory. Reconstructibility accuracy is inherently related to the correlation...

    Provided By University of Queensland

  • White Papers // Mar 2011

    Economics As A Social Science: Financial Regulation After The Crisis

    One of the most striking developments of the late 20th century was the explosion in the volume, speed and complexity of international financial transactions, and the resulting breakdown of effective regulatory control over the global financial system. The speed with which this process has gone into reverse since the onset...

    Provided By University of Queensland

  • White Papers // Mar 2011

    Regime-Shifts & Post-Float Inflation Dynamics

    Australia's inflation rate and inflation uncertainty during the post-float period 1983Q3-2006Q4 has acted as an important barometer of Australia's macroeconomic performance. The mainstream Friedman paradigm predicts that increase in the average rate of inflation increases inflation uncertainty distorting the price and interest rate mechanisms resulting in temporal and intertemporal allocative...

    Provided By University of Queensland

  • White Papers // Jan 2011

    Evaluation of Parameterised Route Repair in AODV

    One of the key challenges for routing protocols in wireless multi-hop networks is to deal with link failures, and to repair the routes in these situations. In the Ad-hoc On Demand Distance Vector (AODV) protocol, routes can either be repaired by re-establishing a new route from scratch starting from the...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Performance Analysis of Space-Time Trellis Coded OFDM System

    This paper presents the performance analysis of Space-Time Trellis Codes in Orthogonal Frequency Division Multiplexing Systems (STTC-OFDMs) over quasi-static frequency selective fading channels. In particular, the effect of channel delay distributions on the code performance is discussed. For a STTCOFDM over multiple-tap channels, two extreme conditions that produce the largest...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Eclectic Rule-Extraction From Support Vector Machines

    Support Vector Machines (SVMs) have shown superior performance compared to other machine learning techniques, especially in classification problems. Yet one limitation of SVMs is the lack of an explanation capability which is crucial in some applications, e.g. in the medical and security domains. In this paper, a novel approach for...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Sustainable Development And Intergenerational Equity: Issues Relevant To India And Globally

    As outlined, recurring concerns have surfaced since the 1700s that economic growth may prove to be unsustainable. These concerns have been expressed again and have intensified in recent decades but their foundation differs from that of Malthus. The rapid economic growth of China and India has added to these worries....

    Provided By University of Queensland

  • White Papers // Dec 2010

    A Tool For Scrutinizing Bank Bailouts Based On Multi-Period Peer Benchmarking

    In the wake of the recent global financial crisis central banks and regulators are concerned about redirection of bailout funds into dividends. Yet, the authors do not know much about the extent banks follow dividend policies and funding decisions optimal to generating shareholders' wealth because banks have been mostly absent...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Sensitivity Analysis Of Network DEA Illustrated In Branch Banking

    Users of Data Envelopment Analysis (DEA) often presume efficiency estimates to be robust. While traditional DEA has been exposed to various sensitivity studies, Network DEA (NDEA) has so far escaped similar scrutiny. Thus, there is a need to investigate the sensitivity of NDEA, further compounded by the recent attention it...

    Provided By University of Queensland

  • White Papers // Nov 2010

    Efficiency And Technological Change In Health Care Services In Ontario

    This paper presents productivity measurement results for hospital services using panel data for Ontario hospitals between 2003 and 2006. The paper uses the Malmquist Productivity index (MPI) obtained through the application of Data Envelopment Analysis (DEA) which is decomposed into Efficiency CHange (ECH), i.e., movement towards the best practice frontier...

    Provided By University of Queensland

  • White Papers // Oct 2010

    Price Regulation And The Cost Of Capital

    This paper investigates how price regulation under moral hazard can affect a regulated firm's cost of capital. The authors consider stylised versions of the two most typical regulatory frameworks that have been applied over the last decades by regulators: Price Cap and Cost of Service. They show that there is...

    Provided By University of Queensland

  • White Papers // Sep 2010

    Economic Growth And Transition In Vietnam And China And Its Consequences For Their Agricultural Sectors: Policy And Agricultural Adjustment Issues

    Secondary data are used to discuss and compare the consequences for agriculture of economic growth and transition in Vietnam and China. It is found that China and Vietnam have experienced similar adjustments in their agricultural sectors and face at this time, similar agricultural policy problems. China began its economic reforms...

    Provided By University of Queensland

  • White Papers // Aug 2010

    No Trade, Informed Trading, And Accuracy Of Information

    The authors present a model in which there is uncertainty about realization of a risky asset value for an informed trader. Then, they show that the informed trader does not trade in equilibrium if the inside information the informed trader has is not sufficiently accurate. They use the framework presented...

    Provided By University of Queensland

  • White Papers // Jan 2010

    Design of Testbed for Wireless Mesh Networks

    Wireless mesh technology applied to 802.11 devices allows for the benefits of infrastructure based wireless communication without costly wired back-haul. It allows for multi-hop network topologies which offer increased capacity as well as self-healing routes when certain links are affected by interference or movement, as long as adequate redundant routes...

    Provided By University of Queensland

  • White Papers // Jan 2010

    An Identity Management Framework and Maturity Model for the Australian and New Zealand Higher Education Sector

    The CAUDIT Standing Committee for Technical Standards has developed an online compendium of information to assist large institutions and research centers with Identity and Access Management (IAM). This compendium was developed from the Middleware Action Plan and Strategy (MAPS) Project that comes under the Australian Government's Systemic Infrastructure Initiative. This...

    Provided By University of Queensland

  • White Papers // Jan 2010

    An FPGA Network Architecture for Accelerating 3DES - CBC

    This paper presents a DES/3DES core that will support Cipher Block Chaining (CBC) and also has a built in keygen that together take up about 10% of the resources in a Xilinx Virtex II 1000-4. The core will achieve up to 200Mbit/s of encryption or decryption. Also presented is a...

    Provided By University of Queensland

  • White Papers // Jan 2010

    Systems Thinking, Market Failure, And The Development Of Innovation Policy: The Case Of Australia

    Innovation policy is increasingly informed from the perspective of a National Innovation System (NIS), but, despite the fact that research findings emphasize the importance of national differences in the framing conditions for innovation, policy prescriptions tend to be uniform. Justifications for innovation policy by organizations such as the OECD generally...

    Provided By University of Queensland

  • White Papers // Oct 2009

    Evaluating Adjacent Channel Interference in IEEE 802.11 Networks

    The performance of 802.11-based multi-channel wireless mesh networks is affected by the interference due to neighboring nodes operating on same or adjacent channels. In this paper, the authors have performed extensive measurements on the conducted testbed to evaluate the effects of Adjacent Channel Interference (ACI) in 802.11 networks, under the...

    Provided By University of Queensland

  • White Papers // Sep 2009

    Radio Sleep Mode Optimization in Wireless Sensor Networks

    Energy-efficiency is a central challenge in sensor networks, and the radio is a major contributor to overall energy node consumption. Current energy-efficient MAC protocols for sensor networks use a fixed low power radio mode for putting the radio to sleep. Fixed low power modes involve an inherent trade-off: deep sleep...

    Provided By University of Queensland

  • White Papers // Aug 2009

    An Extended AODV Protocol for VoIP Application in Mobile Ad Hoc Network

    In this paper, the problem of voice calls over a mo-bile ad hoc network that employs IEEE 802.11b standard for the lowest communication layer is considered. The Distributed Coordination Function (DCF) s assumed as the basic medium access protocol. Two DCF access mechanisms for VoIP conversation are considered. A new...

    Provided By University of Queensland

  • White Papers // Jun 2009

    Macroeconomic Risk And The Size Of Government-Do Globalisation And Institutions Matter?

    The authors present an empirical model where output growth volatility and government expenditure are jointly endogenous and both are affected by policies and institutions. They find that output volatility increases government expenditure, but higher expenditure, causes greater output volatility. This suggests that discretionary government intervention is destabilising. Trade openness drives...

    Provided By University of Queensland

  • White Papers // Jun 2009

    Exploring The Links Between Corruption And Growth

    Corruption is a widespread phenomenon, but relatively little is confidently known about its macroeconomic consequences. This paper explicitly models the transmission channels through which corruption indirectly affects growth. Results suggest that corruption hinders growth through its adverse effects on investment in physical capital, human capital, and political instability. Concurrently, corruption...

    Provided By University of Queensland

  • White Papers // Apr 2009

    MeshVision: An Adaptive Wireless Mesh Network Video Surveillance System

    The major surveillance camera manufacturers have begun incorporating wireless networking functionality into their products to enable wireless access. However, the video feeds from such cameras can only be accessed within the transmission range of the cameras. These cameras must be connected to backbone infrastructure in order to access them from...

    Provided By University of Queensland

  • White Papers // Mar 2009

    Detecting Man-in-the-Middle and Wormhole Attacks in Wireless Mesh Networks

    Wireless networks are being used increasingly in industrial, health care, military and public-safety environments. In these environments security is extremely important because a successful attack against the network may pose a threat to human life. To secure such wireless networks against hostile attack requires both preventative and detective measures. In...

    Provided By University of Queensland

  • White Papers // Jan 2009

    Amateur Content Production, Networked Innovation And Innovation Policy

    The central common feature of a number of recent technological developments (collectively referred to as Web 2.0) is collaborative production of content on an amateur basis, that is, for motives other than commercial reward. Amateur production of content generates significant external benefits that are shared by society in general. Indeed...

    Provided By University of Queensland

  • White Papers // Jan 2009

    Unemployment Policy: Unemployment, Underemployment And Labour Market Insecurity

    In this paper the authors argue that Australia's labour market features too much unemployment, underemployment or associated forms of labour market insecurity. The later term implies a weak or tenuous connection to the labour force through underemployment or involuntary casual or part-time work and/or low wages or other manifestations of...

    Provided By University of Queensland

  • White Papers // Jan 2009

    Web Security: The Emperor's New Armour

    The World Wide Web originally provided no security services because it was not designed to support sensitive applications. As the Web evolved to become a platform for all types of Internet applications security mechanisms were added. Many Internet players, especially in the e-commerce sector, claim that the Web now can...

    Provided By University of Queensland

  • White Papers // Dec 2008

    An Empirical Investigation Of The Mergers Decision Process In Australia

    In this paper the authors examine a database assembled from an Australian public register of 553 merger decisions taken between March 2004 and July 2008. The two major findings are: the existence of entry barriers and the existence of undertakings are highly correlated with the regulator's decision to closely scrutinise...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Challenges and Recent Advances in QoS Provisioning, Signaling, Routing and MAC Protocols for MANETs

    Mobile Ad hoc Networks (MANET), which comprise of mobile nodes connected wirelessly, are emerging as a very important technology for future generation of wireless mobile and ubiquitous computing. MANETs are being used in numerous application domains from emergency rescue and relief to wireless sensor networks. To support real-time communications (such...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Implications Of The Financial Crisis

    Risk' has become a central theme in 21st-century policy thinking. In particular, there has been considerable discussion of the 'Great Risk Shift', that is, the process by which the burden of risk has been shifted away from governments and employers and on to workers and households. The financial crisis that...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Evaluation of Wireless Mesh Network Handoff Approaches for Public Safety and Disaster Recovery Networks

    In Public Safety and Disaster Recovery (PSDR) scenarios, reliable communication is an imperative. Unfortunately, communication infrastructure is often destroyed or overwhelmed by whatever precipitated the scenario (e.g., a hurricane or terrorist attack). Thus, the PSDR workers must often deploy their own communications infrastructure on-site. Wireless Mesh Networks (WMN) has been...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Toward Behavioural Innovation Economics - Heuristics And Biases In Choice Under Novelty

    A framework for 'Behavioural innovation economics' is proposed here as a synthesis of behavioural economics and innovation economics in the specific context of choice under novelty. The authors seek to apply the heuristics and biases framework of behavioural economics to the study of the innovation process in order to map...

    Provided By University of Queensland

  • White Papers // Oct 2008

    ALARM: An Adaptive Load-Aware Routing Metric for Hybrid Wireless Mesh Networks

    Hybrid Wireless Mesh Networks (WMN) can be quickly deployed at disasters sites to provide high-capacity wireless communications. As with other WMN networks, a routing protocol is required to find a path between non-neighboring source and destination nodes. The routing metric used by the routing protocol can have a significant impact...

    Provided By University of Queensland

  • White Papers // Sep 2008

    Scalable Semantics - The Silver Lining of Cloud Computing

    Semantic inferencing and querying across large-scale RDF triple stores is notoriously slow. The objective is to expedite this process by employing Google's MapReduce framework to implement scale-out distributed querying and reasoning. This approach requires RDF graphs to be decomposed into smaller units that are distributed across computational nodes. RDF Molecules...

    Provided By University of Queensland

  • White Papers // Sep 2008

    Performance of Vector Perturbation Multiuser MIMO Systems With Limited Feedback

    This paper considers the multiuser Multiple-Input Multiple-Output (MIMO) Rayleigh fading broadcast channel. The authors consider the case where the multiple transmit antennas are used to deliver independent data streams to multiple users via a multi-user technique known as vector perturbation. They propose lattice-theoretic and rate-distortion based approaches to analyze the...

    Provided By University of Queensland

  • White Papers // Sep 2008

    A Qualitative Analysis Of The Retention And Recruitment Of Rural General Practitioners In Australia

    Australian estimates of the doctor-to-population ratios for the cities, regional and remote areas seem to exceed the 0.71:1,000 benchmark ratios of the Commonwealth Department of Health and Ageing. However, statistics are misleading because they do not account for the time and distance involved to see a doctor in the less...

    Provided By University of Queensland

  • White Papers // Jul 2008

    Price Regulation And Investment: A Real Options Approach

    This paper examines a three-period model of an investment decision in a network industry characterized by demand uncertainty, economies of scale and sunk costs. In the absence of regulation the authors identify the market conditions under which a monopolist decides to invest early as well as the underlying overall welfare...

    Provided By University of Queensland

  • White Papers // Jun 2008

    Equity Between Overlapping Generations

    This note is a demonstration that, in the presence of overlapping generations and under standard conditions for a social welfare ordering (Pareto optimality, transitivity, independence), the only ordering consistent with utilitarianism for all people currently alive at any given point in time is one based on weighting all people equally,...

    Provided By University of Queensland

  • White Papers // May 2008

    User Centric Identity Management

    Identity management is traditionally seen from the service providers' point of view, meaning that it is an activity undertaken by the service provider to manage service user identities. Traditional identity management systems are designed to be cost effective and scalable primarily for the service providers, but not necessarily for the...

    Provided By University of Queensland

  • White Papers // Apr 2008

    Challenges and Recent Advances in QoS Provisioning in Wireless Mesh Networks

    Wireless Mesh Networks (WMNs) comprising of mobile and static nodes connected wirelessly are emerging as a key technology for future generation of wireless networks. WMNs self-organize, self-configure and selfheal themselves and can increase the coverage of conventional infrastructure-based wireless LANs and MANs without significant additional infrastructure deployments. Due to these...

    Provided By University of Queensland

  • White Papers // Jan 2009

    Amateur Content Production, Networked Innovation And Innovation Policy

    The central common feature of a number of recent technological developments (collectively referred to as Web 2.0) is collaborative production of content on an amateur basis, that is, for motives other than commercial reward. Amateur production of content generates significant external benefits that are shared by society in general. Indeed...

    Provided By University of Queensland

  • White Papers // Jan 2009

    Unemployment Policy: Unemployment, Underemployment And Labour Market Insecurity

    In this paper the authors argue that Australia's labour market features too much unemployment, underemployment or associated forms of labour market insecurity. The later term implies a weak or tenuous connection to the labour force through underemployment or involuntary casual or part-time work and/or low wages or other manifestations of...

    Provided By University of Queensland

  • White Papers // Sep 2010

    Economic Growth And Transition In Vietnam And China And Its Consequences For Their Agricultural Sectors: Policy And Agricultural Adjustment Issues

    Secondary data are used to discuss and compare the consequences for agriculture of economic growth and transition in Vietnam and China. It is found that China and Vietnam have experienced similar adjustments in their agricultural sectors and face at this time, similar agricultural policy problems. China began its economic reforms...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Sustainable Development And Intergenerational Equity: Issues Relevant To India And Globally

    As outlined, recurring concerns have surfaced since the 1700s that economic growth may prove to be unsustainable. These concerns have been expressed again and have intensified in recent decades but their foundation differs from that of Malthus. The rapid economic growth of China and India has added to these worries....

    Provided By University of Queensland

  • White Papers // Mar 2011

    Economics As A Social Science: Financial Regulation After The Crisis

    One of the most striking developments of the late 20th century was the explosion in the volume, speed and complexity of international financial transactions, and the resulting breakdown of effective regulatory control over the global financial system. The speed with which this process has gone into reverse since the onset...

    Provided By University of Queensland

  • White Papers // Jun 2008

    Equity Between Overlapping Generations

    This note is a demonstration that, in the presence of overlapping generations and under standard conditions for a social welfare ordering (Pareto optimality, transitivity, independence), the only ordering consistent with utilitarianism for all people currently alive at any given point in time is one based on weighting all people equally,...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Eclectic Rule-Extraction From Support Vector Machines

    Support Vector Machines (SVMs) have shown superior performance compared to other machine learning techniques, especially in classification problems. Yet one limitation of SVMs is the lack of an explanation capability which is crucial in some applications, e.g. in the medical and security domains. In this paper, a novel approach for...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Performance Analysis of Space-Time Trellis Coded OFDM System

    This paper presents the performance analysis of Space-Time Trellis Codes in Orthogonal Frequency Division Multiplexing Systems (STTC-OFDMs) over quasi-static frequency selective fading channels. In particular, the effect of channel delay distributions on the code performance is discussed. For a STTCOFDM over multiple-tap channels, two extreme conditions that produce the largest...

    Provided By University of Queensland

  • White Papers // Apr 2011

    3D Motion Reconstruction for Real-World Camera Motion

    This paper addresses the problem of 3D motion reconstruction from a series of 2D projections under low reconstructibility. Reconstructibility defines the accuracy of a 3D reconstruction from 2D projections given a particular trajectory basis, 3D point trajectory, and 3D camera center trajectory. Reconstructibility accuracy is inherently related to the correlation...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Challenges and Recent Advances in QoS Provisioning, Signaling, Routing and MAC Protocols for MANETs

    Mobile Ad hoc Networks (MANET), which comprise of mobile nodes connected wirelessly, are emerging as a very important technology for future generation of wireless mobile and ubiquitous computing. MANETs are being used in numerous application domains from emergency rescue and relief to wireless sensor networks. To support real-time communications (such...

    Provided By University of Queensland

  • White Papers // May 2008

    User Centric Identity Management

    Identity management is traditionally seen from the service providers' point of view, meaning that it is an activity undertaken by the service provider to manage service user identities. Traditional identity management systems are designed to be cost effective and scalable primarily for the service providers, but not necessarily for the...

    Provided By University of Queensland

  • White Papers // Jan 2009

    Web Security: The Emperor's New Armour

    The World Wide Web originally provided no security services because it was not designed to support sensitive applications. As the Web evolved to become a platform for all types of Internet applications security mechanisms were added. Many Internet players, especially in the e-commerce sector, claim that the Web now can...

    Provided By University of Queensland

  • White Papers // Sep 2008

    Scalable Semantics - The Silver Lining of Cloud Computing

    Semantic inferencing and querying across large-scale RDF triple stores is notoriously slow. The objective is to expedite this process by employing Google's MapReduce framework to implement scale-out distributed querying and reasoning. This approach requires RDF graphs to be decomposed into smaller units that are distributed across computational nodes. RDF Molecules...

    Provided By University of Queensland

  • White Papers // Jan 2010

    An Identity Management Framework and Maturity Model for the Australian and New Zealand Higher Education Sector

    The CAUDIT Standing Committee for Technical Standards has developed an online compendium of information to assist large institutions and research centers with Identity and Access Management (IAM). This compendium was developed from the Middleware Action Plan and Strategy (MAPS) Project that comes under the Australian Government's Systemic Infrastructure Initiative. This...

    Provided By University of Queensland

  • White Papers // Jan 2010

    An FPGA Network Architecture for Accelerating 3DES - CBC

    This paper presents a DES/3DES core that will support Cipher Block Chaining (CBC) and also has a built in keygen that together take up about 10% of the resources in a Xilinx Virtex II 1000-4. The core will achieve up to 200Mbit/s of encryption or decryption. Also presented is a...

    Provided By University of Queensland

  • White Papers // Aug 2009

    An Extended AODV Protocol for VoIP Application in Mobile Ad Hoc Network

    In this paper, the problem of voice calls over a mo-bile ad hoc network that employs IEEE 802.11b standard for the lowest communication layer is considered. The Distributed Coordination Function (DCF) s assumed as the basic medium access protocol. Two DCF access mechanisms for VoIP conversation are considered. A new...

    Provided By University of Queensland

  • White Papers // Oct 2008

    ALARM: An Adaptive Load-Aware Routing Metric for Hybrid Wireless Mesh Networks

    Hybrid Wireless Mesh Networks (WMN) can be quickly deployed at disasters sites to provide high-capacity wireless communications. As with other WMN networks, a routing protocol is required to find a path between non-neighboring source and destination nodes. The routing metric used by the routing protocol can have a significant impact...

    Provided By University of Queensland

  • White Papers // Apr 2008

    Challenges and Recent Advances in QoS Provisioning in Wireless Mesh Networks

    Wireless Mesh Networks (WMNs) comprising of mobile and static nodes connected wirelessly are emerging as a key technology for future generation of wireless networks. WMNs self-organize, self-configure and selfheal themselves and can increase the coverage of conventional infrastructure-based wireless LANs and MANs without significant additional infrastructure deployments. Due to these...

    Provided By University of Queensland

  • White Papers // Oct 2009

    Evaluating Adjacent Channel Interference in IEEE 802.11 Networks

    The performance of 802.11-based multi-channel wireless mesh networks is affected by the interference due to neighboring nodes operating on same or adjacent channels. In this paper, the authors have performed extensive measurements on the conducted testbed to evaluate the effects of Adjacent Channel Interference (ACI) in 802.11 networks, under the...

    Provided By University of Queensland

  • White Papers // Oct 2010

    Price Regulation And The Cost Of Capital

    This paper investigates how price regulation under moral hazard can affect a regulated firm's cost of capital. The authors consider stylised versions of the two most typical regulatory frameworks that have been applied over the last decades by regulators: Price Cap and Cost of Service. They show that there is...

    Provided By University of Queensland

  • White Papers // Mar 2011

    Regime-Shifts & Post-Float Inflation Dynamics

    Australia's inflation rate and inflation uncertainty during the post-float period 1983Q3-2006Q4 has acted as an important barometer of Australia's macroeconomic performance. The mainstream Friedman paradigm predicts that increase in the average rate of inflation increases inflation uncertainty distorting the price and interest rate mechanisms resulting in temporal and intertemporal allocative...

    Provided By University of Queensland

  • White Papers // Jan 2010

    Systems Thinking, Market Failure, And The Development Of Innovation Policy: The Case Of Australia

    Innovation policy is increasingly informed from the perspective of a National Innovation System (NIS), but, despite the fact that research findings emphasize the importance of national differences in the framing conditions for innovation, policy prescriptions tend to be uniform. Justifications for innovation policy by organizations such as the OECD generally...

    Provided By University of Queensland

  • White Papers // Jun 2009

    Macroeconomic Risk And The Size Of Government-Do Globalisation And Institutions Matter?

    The authors present an empirical model where output growth volatility and government expenditure are jointly endogenous and both are affected by policies and institutions. They find that output volatility increases government expenditure, but higher expenditure, causes greater output volatility. This suggests that discretionary government intervention is destabilising. Trade openness drives...

    Provided By University of Queensland

  • White Papers // Jun 2009

    Exploring The Links Between Corruption And Growth

    Corruption is a widespread phenomenon, but relatively little is confidently known about its macroeconomic consequences. This paper explicitly models the transmission channels through which corruption indirectly affects growth. Results suggest that corruption hinders growth through its adverse effects on investment in physical capital, human capital, and political instability. Concurrently, corruption...

    Provided By University of Queensland

  • White Papers // Sep 2009

    Radio Sleep Mode Optimization in Wireless Sensor Networks

    Energy-efficiency is a central challenge in sensor networks, and the radio is a major contributor to overall energy node consumption. Current energy-efficient MAC protocols for sensor networks use a fixed low power radio mode for putting the radio to sleep. Fixed low power modes involve an inherent trade-off: deep sleep...

    Provided By University of Queensland

  • White Papers // Jan 2010

    Design of Testbed for Wireless Mesh Networks

    Wireless mesh technology applied to 802.11 devices allows for the benefits of infrastructure based wireless communication without costly wired back-haul. It allows for multi-hop network topologies which offer increased capacity as well as self-healing routes when certain links are affected by interference or movement, as long as adequate redundant routes...

    Provided By University of Queensland

  • White Papers // Mar 2009

    Detecting Man-in-the-Middle and Wormhole Attacks in Wireless Mesh Networks

    Wireless networks are being used increasingly in industrial, health care, military and public-safety environments. In these environments security is extremely important because a successful attack against the network may pose a threat to human life. To secure such wireless networks against hostile attack requires both preventative and detective measures. In...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Evaluation of Wireless Mesh Network Handoff Approaches for Public Safety and Disaster Recovery Networks

    In Public Safety and Disaster Recovery (PSDR) scenarios, reliable communication is an imperative. Unfortunately, communication infrastructure is often destroyed or overwhelmed by whatever precipitated the scenario (e.g., a hurricane or terrorist attack). Thus, the PSDR workers must often deploy their own communications infrastructure on-site. Wireless Mesh Networks (WMN) has been...

    Provided By University of Queensland

  • White Papers // Jan 2011

    Evaluation of Parameterised Route Repair in AODV

    One of the key challenges for routing protocols in wireless multi-hop networks is to deal with link failures, and to repair the routes in these situations. In the Ad-hoc On Demand Distance Vector (AODV) protocol, routes can either be repaired by re-establishing a new route from scratch starting from the...

    Provided By University of Queensland

  • White Papers // Apr 2009

    MeshVision: An Adaptive Wireless Mesh Network Video Surveillance System

    The major surveillance camera manufacturers have begun incorporating wireless networking functionality into their products to enable wireless access. However, the video feeds from such cameras can only be accessed within the transmission range of the cameras. These cameras must be connected to backbone infrastructure in order to access them from...

    Provided By University of Queensland

  • White Papers // Sep 2008

    Performance of Vector Perturbation Multiuser MIMO Systems With Limited Feedback

    This paper considers the multiuser Multiple-Input Multiple-Output (MIMO) Rayleigh fading broadcast channel. The authors consider the case where the multiple transmit antennas are used to deliver independent data streams to multiple users via a multi-user technique known as vector perturbation. They propose lattice-theoretic and rate-distortion based approaches to analyze the...

    Provided By University of Queensland

  • White Papers // Dec 2008

    An Empirical Investigation Of The Mergers Decision Process In Australia

    In this paper the authors examine a database assembled from an Australian public register of 553 merger decisions taken between March 2004 and July 2008. The two major findings are: the existence of entry barriers and the existence of undertakings are highly correlated with the regulator's decision to closely scrutinise...

    Provided By University of Queensland

  • White Papers // Jul 2008

    Price Regulation And Investment: A Real Options Approach

    This paper examines a three-period model of an investment decision in a network industry characterized by demand uncertainty, economies of scale and sunk costs. In the absence of regulation the authors identify the market conditions under which a monopolist decides to invest early as well as the underlying overall welfare...

    Provided By University of Queensland

  • White Papers // Sep 2008

    A Qualitative Analysis Of The Retention And Recruitment Of Rural General Practitioners In Australia

    Australian estimates of the doctor-to-population ratios for the cities, regional and remote areas seem to exceed the 0.71:1,000 benchmark ratios of the Commonwealth Department of Health and Ageing. However, statistics are misleading because they do not account for the time and distance involved to see a doctor in the less...

    Provided By University of Queensland

  • White Papers // Dec 2010

    A Tool For Scrutinizing Bank Bailouts Based On Multi-Period Peer Benchmarking

    In the wake of the recent global financial crisis central banks and regulators are concerned about redirection of bailout funds into dividends. Yet, the authors do not know much about the extent banks follow dividend policies and funding decisions optimal to generating shareholders' wealth because banks have been mostly absent...

    Provided By University of Queensland

  • White Papers // Dec 2010

    Sensitivity Analysis Of Network DEA Illustrated In Branch Banking

    Users of Data Envelopment Analysis (DEA) often presume efficiency estimates to be robust. While traditional DEA has been exposed to various sensitivity studies, Network DEA (NDEA) has so far escaped similar scrutiny. Thus, there is a need to investigate the sensitivity of NDEA, further compounded by the recent attention it...

    Provided By University of Queensland

  • White Papers // Nov 2010

    Efficiency And Technological Change In Health Care Services In Ontario

    This paper presents productivity measurement results for hospital services using panel data for Ontario hospitals between 2003 and 2006. The paper uses the Malmquist Productivity index (MPI) obtained through the application of Data Envelopment Analysis (DEA) which is decomposed into Efficiency CHange (ECH), i.e., movement towards the best practice frontier...

    Provided By University of Queensland

  • White Papers // Aug 2010

    No Trade, Informed Trading, And Accuracy Of Information

    The authors present a model in which there is uncertainty about realization of a risky asset value for an informed trader. Then, they show that the informed trader does not trade in equilibrium if the inside information the informed trader has is not sufficiently accurate. They use the framework presented...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Toward Behavioural Innovation Economics - Heuristics And Biases In Choice Under Novelty

    A framework for 'Behavioural innovation economics' is proposed here as a synthesis of behavioural economics and innovation economics in the specific context of choice under novelty. The authors seek to apply the heuristics and biases framework of behavioural economics to the study of the innovation process in order to map...

    Provided By University of Queensland

  • White Papers // Nov 2008

    Implications Of The Financial Crisis

    Risk' has become a central theme in 21st-century policy thinking. In particular, there has been considerable discussion of the 'Great Risk Shift', that is, the process by which the burden of risk has been shifted away from governments and employers and on to workers and households. The financial crisis that...

    Provided By University of Queensland