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University of South Australia
(38 results)-
White Papers
Towards Data Quality and Data Mining Using Constraints in XML
March 1, 2009, 12:00am PST
Quality data is necessary for different data mining techniques and reversely, data mining techniques can be utilized to measure quality of data. Data mining and data quality issues got much...
Provided by University of South Australia
-
White Papers
Current Research in the Bluetooth Security Architecture
August 30, 2009, 12:00am PDT
This paper aims to provide an overall understanding of the Bluetooth specification security architecture and its shortcomings. A technical foundation of the overall security architecture will be...
Provided by University of South Australia
-
White Papers
Computer Security Meets Digital and Network Forensics: New Ideas in Forensically Sound Adaptive Security
March 18, 2010, 12:00am PDT
Substantial developments in security for computers and networks have happened in recent times. This progress has been marked by an increase in the range of novel protocols, novel encryption...
Provided by University of South Australia
-
White Papers
Content Presentation and SMS-Based e-Government
May 28, 2007, 12:00am PDT
An SMS-based e-government model has been previously proposed as appropriate for delivering e-government services in developing countries. SMS has two main limitations: a limited number of...
Provided by University of South Australia
-
White Papers
Outage Probability of the Gaussian Free Space Optical Channel With Pulse-Position Modulation
May 21, 2008, 12:00am PDT
The main drawback in communicating via the free space optical channel is the detrimental effect the atmosphere has on a propagating laser beam. Atmospheric turbulence causes random fluctuations in...
Provided by University of South Australia
-
White Papers
Outage Probability of the MIMO Gaussian Free-Space Optical Channel with PPM
May 21, 2008, 12:00am PDT
The main drawback in communicating via the freespace optical channel is the detrimental effect the atmosphere has on a propagating laser beam. Atmospheric turbulence causes random fluctuations in...
Provided by University of South Australia
-
White Papers
The Impact Of Capital Structure On Agency Costs: Evidence From UK Public Companies
June 18, 2008, 12:00am PDT
This paper aims to provide empirical evidence on the agency costs hypothesis which suggests that increase of leverage may reduce agency costs. Both multivariate tests and Univariate tests are...
Provided by University of South Australia
-
White Papers
Network Coding Capacity: A Functional Dependence Bound
January 29, 2009, 12:00am PST
Explicit characterization and computation of the multi-source network coding capacity region (or even bounds) is long standing open problem. In fact, finding the capacity region requires...
Provided by University of South Australia
-
White Papers
Decoding Network Codes by Message Passing
April 21, 2009, 12:00am PDT
In this paper, the authors show how to construct a factor graph from a network code. This provides a systematic framework for decoding using message passing algorithms. The proposed message...
Provided by University of South Australia
-
White Papers
Lossy Broadcasting in Two-Way Relay Networks With Common Reconstructions
November 22, 2010, 12:00am PST
The broadcast phase (downlink transmission) of the two-way relay network is studied in the source coding and joint source-channel coding settings. The rates needed for reliable communication are...
Provided by University of South Australia
-
White Papers
Asynchronous CDMA Systems With Random Spreading - Part II: Design Criteria
November 26, 2009, 12:00am PST
Totally asynchronous Code-Division Multiple-Access (CDMA) systems are addressed. In Part I, the fundamental limits of asynchronous CDMA systems are analyzed in terms of spectral efficiency and...
Provided by University of South Australia
-
White Papers
Throughput and Latency of Acyclic Erasure Networks With Feedback in a Finite Buffer Regime
December 13, 2010, 12:00am PST
The exact Markov modeling analysis of erasure networks with finite buffers is an extremely hard problem due to the large number of states in the system. In such networks, packets are lost due to...
Provided by University of South Australia
-
White Papers
Study of Throughput and Latency in Finite-Buffer Coded Networks
December 13, 2010, 12:00am PST
Exact queuing analysis of erasure networks with network coding in a finite buffer regime is an extremely hard problem due to the large number of states in the network. In such networks, packets...
Provided by University of South Australia
-
White Papers
Accountability And Sustainability: Davidsons And Taylors Means To Engage The World
July 5, 2010, 12:00am PDT
Many accountants and accounting theorists believe that objective accounts of the external world are possible. This paper critiques such arguments via an examination of the ethical assumptions...
Provided by University of South Australia
-
White Papers
Performance On The Right Hand Side: Organizational Performance As An Independent Variable
July 4, 2010, 12:00am PDT
Organizational performance in most survey-based management control research appears on the "Left hand side of the equation" as a dependent variable. The objective typically being to identify,...
Provided by University of South Australia
-
White Papers
Optimal Data Compression and Filtering: The Case of Infinite Signal Sets
January 5, 2011, 12:00am PST
The authors present a theory for optimal filtering of infinite sets of random signals. There are several new distinctive features of the proposed approach. First, they provide a single optimal...
Provided by University of South Australia
-
White Papers
Compression and Filtering of Random Signals Under Constraint of Variable Memory
June 12, 2009, 12:00am PDT
The authors study a new technique for optimal data compression subject to conditions of causality and different types of memory. The technique is based on the assumption that some information...
Provided by University of South Australia
-
White Papers
Towards a Definition of Referential Integrity Constraints for XML
January 1, 2009, 12:00am PST
In relational data model, two important referential integrity constraints is Inclusion Dependency (ID) and Foreign Key (FK). In last decade, with the growing use of XML as data representation and...
Provided by University of South Australia
-
White Papers
Corporate Social Disclosure In Bangladesh: A Study Of The Financial Sector
March 1, 2011, 12:00am PST
Corporate social disclosure is essential to generate a favorable investment climate and to attract foreign investment, especially in developing countries. This paper investigates corporate social...
Provided by University of South Australia
-
White Papers
ChannelMAC Protocol for Opportunistic Communication in Ad Hoc Wireless Networks
July 28, 2008, 12:00am PDT
Despite significant research effort, the performance of distributed medium access control methods has failed to meet theoretical expectations. This paper proposes a protocol named "Channel MAC"...
Provided by University of South Australia
-
White Papers
RFID Based IT Asset Tracking: Options for South Australia Water
February 1, 2009, 12:00am PST
Adoption of RFID technology in Australia is only recently escalating, due mainly to the new standards that have emerged which have more acceptance as opposed to the previous ones which were...
Provided by University of South Australia
-
White Papers
Throughput Performance of Network-Coded Multicast in an Intermittently-Connected Network
July 6, 2010, 12:00am PDT
Consider an intermittently-connected mobile network consisting of n relay nodes, a single source node, and m destination nodes exhibiting a stochastic model for mobility. Each mobile relay node is...
Provided by University of South Australia
-
White Papers
Asynchronous CDMA Systems With Random Spreading-Part II: Design Criteria
November 26, 2009, 12:00am PST
Totally asynchronous Code-Division Multiple-Access (CDMA) systems are addressed. In Part I, the fundamental limits of asynchronous CDMA systems are analyzed in terms of spectral efficiency and...
Provided by University of South Australia
-
White Papers
Asynchronous CDMA Systems With Random Spreading-Part I: Fundamental Limits
November 28, 2009, 12:00am PST
Spectral efficiency for asynchronous Code Division Multiple Access (CDMA) with random spreading is calculated in the large system limit allowing for arbitrary chip waveforms and frequency-flat...
Provided by University of South Australia
-
White Papers
Security Analysis of Session Initiation Protocol - A Methodology Based on Coloured Petri Nets
December 13, 2010, 12:00am PST
In recent years Voice over Internet Protocol (VoIP) has become a popular multimedia application over the Internet. At the same time critical security issues in VoIP have started to emerge. The...
Provided by University of South Australia
-
White Papers
What Are You Looking For: Identification of Remnant Communication Artefacts in Physical Memory!
December 13, 2010, 12:00am PST
Law enforcement has sound methods for investigating and obtaining data about targets that are using traditional communication services such as the Public Switched Telephone Network. The Internet...
Provided by University of South Australia
-
White Papers
Anomaly Detection Over User Profiles for Intrusion Detection
December 10, 2010, 12:00am PST
Intrusion Detection Systems (IDS) have often been used to analyze network traffic to help network administrators quickly identify and respond to intrusions. These detection systems generally...
Provided by University of South Australia
-
White Papers
On the Detection of Hidden Terrorist Cells Immersed in Peer-to-Peer Networks
November 17, 2011, 12:00am PST
Hidden terrorist cells in high dimensional communications networks arise when terrorists camouflage connectivity to appear randomly connected to the background network. The authors investigate...
Provided by University of South Australia
-
White Papers
Evaluation of Users' Perspective on VoIP's Security Vulnerabilities
December 14, 2011, 12:00am PST
Voice over Internet Protocol (VoIP) represents a major newish trend in telecommunications and an alternative to traditional phone systems. VoIP uses IP networks and therefore inherits their...
Provided by University of South Australia
-
White Papers
IT Governance: On the Way Through Developing and Integrating Effectively
June 1, 2011, 12:00am PDT
For modern businesses with high levels of technology, IT governance frameworks with guidelines reflect the responsible actions of the Board and executive management and also maintain the...
Provided by University of South Australia
-
White Papers
Internet Integrated MANETs Using Mobile IP
January 1, 2012, 12:00am PST
Mobile ad hoc networks are generally considered as stand-alone networks. However, in most practical cases of ad-hoc networking, connectivity to the wider Internet may be possible via some members...
Provided by University of South Australia
-
White Papers
Prioritising Model-Based Debugging Diagnostic Reports
July 2, 2008, 12:00am PDT
Model-based debugging has proved successful as a tool to guide automated debugging efforts, but the technique may suffer from large result sets in practice, since no means to rank or discriminate...
Provided by University of South Australia
-
White Papers
Unifying Analysis and Design of Rate-Compatible Concatenated Codes
August 11, 2010, 12:00am PDT
An improved concatenated code structure, which generalizes parallel and serially concatenated convolutional codes is presented and investigated. The structure is ideal for designing low-complexity...
Provided by University of South Australia
-
White Papers
The Influence of Error Propagation on the Capacity of Wireless Networks
September 30, 2010, 12:00am PDT
In this paper, it is shown that the achievable throughput capacity of wireless networks suffers from a fundamental limitation under finite node resource constraints. It is shown that this...
Provided by University of South Australia
-
White Papers
Linear Detection in Iterative Joint Multiuser Decoding
January 12, 2008, 12:00am PST
In this paper, the authors provide a tutorial-style overview of linear detection in iterative joint multiuser decoding. They show that a generic linear iterative joint multiuser decoder naturally...
Provided by University of South Australia
-
White Papers
Classification of 8PSK Mappings for BICM
January 1, 2012, 12:00am PST
The performance of bit-interleaved coded modulation with iterative decoding is significantly influenced by the mapping of bits to the symbol constellation. A range of mappers have been suggested...
Provided by University of South Australia
-
White Papers
MIMO ARQ With Multi-Bit Feedback: Outage Analysis
March 31, 2011, 12:00am PDT
The authors study the asymptotic outage performance of INcremental Redundancy Automatic-Repeat-Request (INR-ARQ) transmission over Multiple-Input Multiple-Output (MIMO) block-fading channels with...
Provided by University of South Australia
-
White Papers
Error Propagation and the Achievable Throughput-Delay Trade-Off in Wireless Networks
January 1, 2012, 12:00am PST
This paper shows that the threefold approach of spatial reuse, multi-hopping, and time division maximizes the throughput at the expense of the degrading not only the delay, but the...
Provided by University of South Australia
-
White Papers
Error Propagation and the Achievable Throughput-Delay Trade-Off in Wireless Networks
January 1, 2012, 12:00am PST
This paper shows that the threefold approach of spatial reuse, multi-hopping, and time division maximizes the throughput at the expense of the degrading not only the delay, but the...
Provided by University of South Australia
-
White Papers
MIMO ARQ With Multi-Bit Feedback: Outage Analysis
March 31, 2011, 12:00am PDT
The authors study the asymptotic outage performance of INcremental Redundancy Automatic-Repeat-Request (INR-ARQ) transmission over Multiple-Input Multiple-Output (MIMO) block-fading channels with...
Provided by University of South Australia
-
White Papers
Classification of 8PSK Mappings for BICM
January 1, 2012, 12:00am PST
The performance of bit-interleaved coded modulation with iterative decoding is significantly influenced by the mapping of bits to the symbol constellation. A range of mappers have been suggested...
Provided by University of South Australia
-
White Papers
Linear Detection in Iterative Joint Multiuser Decoding
January 12, 2008, 12:00am PST
In this paper, the authors provide a tutorial-style overview of linear detection in iterative joint multiuser decoding. They show that a generic linear iterative joint multiuser decoder naturally...
Provided by University of South Australia
-
White Papers
The Influence of Error Propagation on the Capacity of Wireless Networks
September 30, 2010, 12:00am PDT
In this paper, it is shown that the achievable throughput capacity of wireless networks suffers from a fundamental limitation under finite node resource constraints. It is shown that this...
Provided by University of South Australia
-
White Papers
Unifying Analysis and Design of Rate-Compatible Concatenated Codes
August 11, 2010, 12:00am PDT
An improved concatenated code structure, which generalizes parallel and serially concatenated convolutional codes is presented and investigated. The structure is ideal for designing low-complexity...
Provided by University of South Australia
-
White Papers
Prioritising Model-Based Debugging Diagnostic Reports
July 2, 2008, 12:00am PDT
Model-based debugging has proved successful as a tool to guide automated debugging efforts, but the technique may suffer from large result sets in practice, since no means to rank or discriminate...
Provided by University of South Australia
-
White Papers
Internet Integrated MANETs Using Mobile IP
January 1, 2012, 12:00am PST
Mobile ad hoc networks are generally considered as stand-alone networks. However, in most practical cases of ad-hoc networking, connectivity to the wider Internet may be possible via some members...
Provided by University of South Australia
-
White Papers
IT Governance: On the Way Through Developing and Integrating Effectively
June 1, 2011, 12:00am PDT
For modern businesses with high levels of technology, IT governance frameworks with guidelines reflect the responsible actions of the Board and executive management and also maintain the...
Provided by University of South Australia
-
White Papers
Evaluation of Users' Perspective on VoIP's Security Vulnerabilities
December 14, 2011, 12:00am PST
Voice over Internet Protocol (VoIP) represents a major newish trend in telecommunications and an alternative to traditional phone systems. VoIP uses IP networks and therefore inherits their...
Provided by University of South Australia
-
White Papers
On the Detection of Hidden Terrorist Cells Immersed in Peer-to-Peer Networks
November 17, 2011, 12:00am PST
Hidden terrorist cells in high dimensional communications networks arise when terrorists camouflage connectivity to appear randomly connected to the background network. The authors investigate...
Provided by University of South Australia
-
White Papers
Anomaly Detection Over User Profiles for Intrusion Detection
December 10, 2010, 12:00am PST
Intrusion Detection Systems (IDS) have often been used to analyze network traffic to help network administrators quickly identify and respond to intrusions. These detection systems generally...
Provided by University of South Australia
-
White Papers
What Are You Looking For: Identification of Remnant Communication Artefacts in Physical Memory!
December 13, 2010, 12:00am PST
Law enforcement has sound methods for investigating and obtaining data about targets that are using traditional communication services such as the Public Switched Telephone Network. The Internet...
Provided by University of South Australia
-
White Papers
Security Analysis of Session Initiation Protocol - A Methodology Based on Coloured Petri Nets
December 13, 2010, 12:00am PST
In recent years Voice over Internet Protocol (VoIP) has become a popular multimedia application over the Internet. At the same time critical security issues in VoIP have started to emerge. The...
Provided by University of South Australia
-
White Papers
Asynchronous CDMA Systems With Random Spreading-Part I: Fundamental Limits
November 28, 2009, 12:00am PST
Spectral efficiency for asynchronous Code Division Multiple Access (CDMA) with random spreading is calculated in the large system limit allowing for arbitrary chip waveforms and frequency-flat...
Provided by University of South Australia
-
White Papers
Asynchronous CDMA Systems With Random Spreading-Part II: Design Criteria
November 26, 2009, 12:00am PST
Totally asynchronous Code-Division Multiple-Access (CDMA) systems are addressed. In Part I, the fundamental limits of asynchronous CDMA systems are analyzed in terms of spectral efficiency and...
Provided by University of South Australia
-
White Papers
Throughput Performance of Network-Coded Multicast in an Intermittently-Connected Network
July 6, 2010, 12:00am PDT
Consider an intermittently-connected mobile network consisting of n relay nodes, a single source node, and m destination nodes exhibiting a stochastic model for mobility. Each mobile relay node is...
Provided by University of South Australia
-
White Papers
RFID Based IT Asset Tracking: Options for South Australia Water
February 1, 2009, 12:00am PST
Adoption of RFID technology in Australia is only recently escalating, due mainly to the new standards that have emerged which have more acceptance as opposed to the previous ones which were...
Provided by University of South Australia
-
White Papers
ChannelMAC Protocol for Opportunistic Communication in Ad Hoc Wireless Networks
July 28, 2008, 12:00am PDT
Despite significant research effort, the performance of distributed medium access control methods has failed to meet theoretical expectations. This paper proposes a protocol named "Channel MAC"...
Provided by University of South Australia
-
White Papers
Corporate Social Disclosure In Bangladesh: A Study Of The Financial Sector
March 1, 2011, 12:00am PST
Corporate social disclosure is essential to generate a favorable investment climate and to attract foreign investment, especially in developing countries. This paper investigates corporate social...
Provided by University of South Australia
-
White Papers
Towards a Definition of Referential Integrity Constraints for XML
January 1, 2009, 12:00am PST
In relational data model, two important referential integrity constraints is Inclusion Dependency (ID) and Foreign Key (FK). In last decade, with the growing use of XML as data representation and...
Provided by University of South Australia
-
White Papers
Compression and Filtering of Random Signals Under Constraint of Variable Memory
June 12, 2009, 12:00am PDT
The authors study a new technique for optimal data compression subject to conditions of causality and different types of memory. The technique is based on the assumption that some information...
Provided by University of South Australia
-
White Papers
Optimal Data Compression and Filtering: The Case of Infinite Signal Sets
January 5, 2011, 12:00am PST
The authors present a theory for optimal filtering of infinite sets of random signals. There are several new distinctive features of the proposed approach. First, they provide a single optimal...
Provided by University of South Australia
-
White Papers
Performance On The Right Hand Side: Organizational Performance As An Independent Variable
July 4, 2010, 12:00am PDT
Organizational performance in most survey-based management control research appears on the "Left hand side of the equation" as a dependent variable. The objective typically being to identify,...
Provided by University of South Australia
-
White Papers
Accountability And Sustainability: Davidsons And Taylors Means To Engage The World
July 5, 2010, 12:00am PDT
Many accountants and accounting theorists believe that objective accounts of the external world are possible. This paper critiques such arguments via an examination of the ethical assumptions...
Provided by University of South Australia
-
White Papers
Study of Throughput and Latency in Finite-Buffer Coded Networks
December 13, 2010, 12:00am PST
Exact queuing analysis of erasure networks with network coding in a finite buffer regime is an extremely hard problem due to the large number of states in the network. In such networks, packets...
Provided by University of South Australia
-
White Papers
Throughput and Latency of Acyclic Erasure Networks With Feedback in a Finite Buffer Regime
December 13, 2010, 12:00am PST
The exact Markov modeling analysis of erasure networks with finite buffers is an extremely hard problem due to the large number of states in the system. In such networks, packets are lost due to...
Provided by University of South Australia
-
White Papers
Asynchronous CDMA Systems With Random Spreading - Part II: Design Criteria
November 26, 2009, 12:00am PST
Totally asynchronous Code-Division Multiple-Access (CDMA) systems are addressed. In Part I, the fundamental limits of asynchronous CDMA systems are analyzed in terms of spectral efficiency and...
Provided by University of South Australia
-
White Papers
Lossy Broadcasting in Two-Way Relay Networks With Common Reconstructions
November 22, 2010, 12:00am PST
The broadcast phase (downlink transmission) of the two-way relay network is studied in the source coding and joint source-channel coding settings. The rates needed for reliable communication are...
Provided by University of South Australia
-
White Papers
Decoding Network Codes by Message Passing
April 21, 2009, 12:00am PDT
In this paper, the authors show how to construct a factor graph from a network code. This provides a systematic framework for decoding using message passing algorithms. The proposed message...
Provided by University of South Australia
-
White Papers
Network Coding Capacity: A Functional Dependence Bound
January 29, 2009, 12:00am PST
Explicit characterization and computation of the multi-source network coding capacity region (or even bounds) is long standing open problem. In fact, finding the capacity region requires...
Provided by University of South Australia
-
White Papers
The Impact Of Capital Structure On Agency Costs: Evidence From UK Public Companies
June 18, 2008, 12:00am PDT
This paper aims to provide empirical evidence on the agency costs hypothesis which suggests that increase of leverage may reduce agency costs. Both multivariate tests and Univariate tests are...
Provided by University of South Australia
-
White Papers
Outage Probability of the MIMO Gaussian Free-Space Optical Channel with PPM
May 21, 2008, 12:00am PDT
The main drawback in communicating via the freespace optical channel is the detrimental effect the atmosphere has on a propagating laser beam. Atmospheric turbulence causes random fluctuations in...
Provided by University of South Australia
-
White Papers
Outage Probability of the Gaussian Free Space Optical Channel With Pulse-Position Modulation
May 21, 2008, 12:00am PDT
The main drawback in communicating via the free space optical channel is the detrimental effect the atmosphere has on a propagating laser beam. Atmospheric turbulence causes random fluctuations in...
Provided by University of South Australia
-
White Papers
Content Presentation and SMS-Based e-Government
May 28, 2007, 12:00am PDT
An SMS-based e-government model has been previously proposed as appropriate for delivering e-government services in developing countries. SMS has two main limitations: a limited number of...
Provided by University of South Australia
-
White Papers
Computer Security Meets Digital and Network Forensics: New Ideas in Forensically Sound Adaptive Security
March 18, 2010, 12:00am PDT
Substantial developments in security for computers and networks have happened in recent times. This progress has been marked by an increase in the range of novel protocols, novel encryption...
Provided by University of South Australia
-
White Papers
Current Research in the Bluetooth Security Architecture
August 30, 2009, 12:00am PDT
This paper aims to provide an overall understanding of the Bluetooth specification security architecture and its shortcomings. A technical foundation of the overall security architecture will be...
Provided by University of South Australia
-
White Papers
Towards Data Quality and Data Mining Using Constraints in XML
March 1, 2009, 12:00am PST
Quality data is necessary for different data mining techniques and reversely, data mining techniques can be utilized to measure quality of data. Data mining and data quality issues got much...
Provided by University of South Australia
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