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Kings College London
(29 results)-
Whitepapers
Measuring and Improving Latency to Avoid Test Suite Wear Out
July 22, 2010, 12:00am PDT
This paper introduces the concept of test suite latency. The more latent a test suite, the more it is possible to repeatedly select subsets that achieve a test goal (such as coverage) without...
Provided by Kings College London
-
Whitepapers
Open Problems in Testability Transformation
February 21, 2008, 12:00am PST
Testability transformation (tetra) seeks to transform a program in order to make it easier to generate test data. The test data is generated from the transformed version of the program, but it is...
Provided by Kings College London
-
Whitepapers
Why the Virtual Nature of Software Makes It Ideal for Search Based Optimization
January 10, 2010, 12:00am PST
This paper provides a motivation for the application of search based optimization to Software Engineering, an area that has come to be known as Search Based Software Engineering (SBSE). SBSE...
Provided by Kings College London
-
Whitepapers
A Manifesto for Higher Order Mutation Testing
July 15, 2010, 12:00am PDT
The authors argue that higher order mutants are potentially better able to simulate real faults and to reveal insights into bugs than the restricted class of first order mutants. The mutation...
Provided by Kings College London
-
Whitepapers
On the Outage and TIFR Capacity of Sensing Enhanced Spectrum Sharing Systems
May 24, 2012, 12:00am PDT
The potential of improving the achievable throughput of spectrum sharing cognitive radio networks by enhancing them with spectrum sensing capabilities has recently lead to the introduction of a...
Provided by Kings College London
-
Whitepapers
Interference Alignment With Cyclic Unidirectional Cooperation
May 24, 2012, 12:00am PDT
Breaking the interference barrier has been set to be a major challenge in fulfilling the demands for high spectral efficiency in the future generations of wireless cellular networks. Recently, the...
Provided by Kings College London
-
Whitepapers
Outage and TIFR Capacity of Sensing Enhanced Spectrum Sharing Cognitive Radio Networks With Missed Detection Protection Constraints
May 24, 2012, 12:00am PDT
Spectrum sharing has been considered an effective method of mitigating the spectrum scarcity in wireless communications by allowing the coexistence of both unlicensed and licensed devices in the...
Provided by Kings College London
-
Whitepapers
Introducing Multi-Plane Routing for Next-Generation All-IP Wireless Access Networks
May 24, 2012, 12:00am PDT
It becomes more and more recognized that using IP as the underlying foundation for the next-generation of wireless networks makes strong economic sense. This is evident in installation and...
Provided by Kings College London
-
Whitepapers
On Dynamic Policies to Switch Off Relay Nodes
May 24, 2012, 12:00am PDT
Regenerative (or non-regenerative) wireless relays have recently emerged as a key technology for future and emerging mobile wireless networks, since they allow quick network roll out and improved...
Provided by Kings College London
-
Whitepapers
Coordinated Beamforming Using Semidefinite Programming
May 24, 2012, 12:00am PDT
In this paper, the authors study a Coordinated BeamForming (CBF) scheme for a multi-cell scenario where pre-coding/beamforming vectors for all coordinating Base Stations (BSs) are jointly designed...
Provided by Kings College London
-
Whitepapers
Opportunistic Load and Spectrum Management for Mobile Communications Energy Efficiency
April 27, 2011, 12:00am PDT
Dynamic load and spectrum usage management techniques can significantly improve the energy efficiency of mobile communications systems. This paper considers: the opportunistic reallocation of...
Provided by Kings College London
-
Whitepapers
A Decentralized Downlink Beamforming Algorithm for Multicell Processing
November 21, 2012, 12:00am PST
In this paper, the authors tackle the problem of intercell-interference in the absence of cooperation amongst Base Stations (BSs). The problem originates from the simultaneous transmissions of...
Provided by Kings College London
-
Whitepapers
On Energy Efficient Routing Using Cooperative Physical Layer Network Coding
November 21, 2012, 12:00am PST
In this paper, the authors focus on energy efficient routing in wireless ad hoc networks. They exploit modulo combining of continuous-time signals arriving at a receiving node from a number of...
Provided by Kings College London
-
Whitepapers
Identifying Network Failure via Detecting Changes in Power Profile
January 24, 2012, 12:00am PST
Failure in the network devices can be identified by detecting changes in the behavior of the network. Such a network can be part of the communication infrastructure, which will play a significant...
Provided by Kings College London
-
Whitepapers
TCP-Aware Resource Allocation in Wireless Networks Via Utility Maximisation
May 11, 2009, 12:00am PDT
Motivated by the fact that a plethora of different applications, ranging from streaming video to file transferring, are using TCP the authors propose a set of utility functions that capture these...
Provided by Kings College London
-
White Papers
Contrasting Compile-Time Meta-Programming in Metalua and Converge
June 15, 2007, 12:00am PDT
Powerful, safe macro systems allow programs to be programatically constructed by the user at compile-time. Such systems have traditionally been largely confined to LISP-like languages and their...
Provided by Kings College London
-
White Papers
Automatically Compute Information Flow Quantity Via Probabilistic Semantics
June 11, 2009, 12:00am PDT
Measuring information flow in software has recently become an active research topic in the security community. Information about confidential inputs may flow to public outputs in batch programs....
Provided by Kings College London
-
White Papers
Quantitative Analysis of Secure Information Flow Via Probabilistic Semantics
July 6, 2009, 12:00am PDT
The authors present an automatic analyzer for measuring information flow within software systems. In this paper, they quantify leakage in terms of information theory and incorporate this...
Provided by Kings College London
-
White Papers
Semantics and Refinement of Behavior State Machines
March 10, 2008, 12:00am PDT
In this paper, the authors present an axiomatic semantics for UML 2 behavior state machines, and give transformation rules for establishing refinements of behavior state machines, together with...
Provided by Kings College London
-
White Papers
Green Spectrum Management for Mobile Operators
November 13, 2010, 12:00am PST
This paper proposes intra-operator dynamic spectrum access, i.e., dynamic spectrum access by an operator's networks of its available spectrum bands, as a means to improve power efficiency. It is...
Provided by Kings College London
-
White Papers
Efficient Multi-Granularity Service Composition
May 12, 2011, 12:00am PDT
Dynamic composition of services provides the ability to build complex distributed applications at run time by combining existing services, thus coping with a large variety of complex requirements...
Provided by Kings College London
-
White Papers
Traffic Grooming on Path Network
January 1, 2012, 12:00am PST
In traffic grooming the authors are given an optical network with nodes linked by optical fiber strand that support a number of wavelengths (light-path) with fixed bandwidth capacity, C. A demand...
Provided by Kings College London
-
White Papers
Constructing Subtle Faults Using Higher Order Mutation Testing
May 15, 2008, 12:00am PDT
Traditional mutation testing considers only first order mutants, created by the injection of a single fault. Often these first order mutants denote trivial faults that are easily killed. This...
Provided by Kings College London
-
White Papers
Test Data Augmentation : Generating New Test Data From Existing Test Data
July 13, 2008, 12:00am PDT
Existing automated test data generation techniques tend to start from scratch, implicitly assuming no pre-existing test data are available. However, this assumption may not always hold, and where...
Provided by Kings College London
-
White Papers
Search Based Software Engineering: A Comprehensive Analysis and Review of Trends Techniques and Applications
April 9, 2009, 12:00am PDT
In the past five years there has been a dramatic increase in work on Search Based Software Engineering (SBSE), an approach to software engineering in which search based optimisation algorithms are...
Provided by Kings College London
-
White Papers
An Analysis and Survey of the Development of Mutation Testing
September 21, 2009, 12:00am PDT
Mutation Testing is a fault - based software testing technique that has been widely studied for over three decades. The literature on Mutation Testing has contributed a set of approaches, tools,...
Provided by Kings College London
-
White Papers
Evolving Gzip Matches Kernel From an NVidia CUDA Template
February 5, 2010, 12:00am PST
Rather than attempting to evolve a complete program from scratch the authors demonstrate genetic interface programming by automatically generating a parallel CUDA kernel with identical...
Provided by Kings College London
-
White Papers
Evolving a CUDA Kernel From an NVidia Template
July 13, 2010, 12:00am PDT
The authors automatically generate an nVidia parallel CUDA graphics card kernel with identical functionality to existing highly optimised ancient sequential C code. Essentially generic GPGPU C++...
Provided by Kings College London
-
Whitepapers
Cognitive Delay Tolerant Wired-Cum-Wireless Multimedia Networks
November 30, 2009, 12:00am PST
It is surprising to note that as of 2010 the significantly larger bulk of electronic data is neither delivered via a wireless nor a wired interface - it is simply posted. A significant constituent...
Provided by Kings College London
-
Whitepapers
TCP-Aware Resource Allocation in Wireless Networks Via Utility Maximisation
May 11, 2009, 12:00am PDT
Motivated by the fact that a plethora of different applications, ranging from streaming video to file transferring, are using TCP the authors propose a set of utility functions that capture these...
Provided by Kings College London
-
Whitepapers
Identifying Network Failure via Detecting Changes in Power Profile
January 24, 2012, 12:00am PST
Failure in the network devices can be identified by detecting changes in the behavior of the network. Such a network can be part of the communication infrastructure, which will play a significant...
Provided by Kings College London
-
Whitepapers
On Energy Efficient Routing Using Cooperative Physical Layer Network Coding
November 21, 2012, 12:00am PST
In this paper, the authors focus on energy efficient routing in wireless ad hoc networks. They exploit modulo combining of continuous-time signals arriving at a receiving node from a number of...
Provided by Kings College London
-
Whitepapers
A Decentralized Downlink Beamforming Algorithm for Multicell Processing
November 21, 2012, 12:00am PST
In this paper, the authors tackle the problem of intercell-interference in the absence of cooperation amongst Base Stations (BSs). The problem originates from the simultaneous transmissions of...
Provided by Kings College London
-
Whitepapers
Opportunistic Load and Spectrum Management for Mobile Communications Energy Efficiency
April 27, 2011, 12:00am PDT
Dynamic load and spectrum usage management techniques can significantly improve the energy efficiency of mobile communications systems. This paper considers: the opportunistic reallocation of...
Provided by Kings College London
-
Whitepapers
Coordinated Beamforming Using Semidefinite Programming
May 24, 2012, 12:00am PDT
In this paper, the authors study a Coordinated BeamForming (CBF) scheme for a multi-cell scenario where pre-coding/beamforming vectors for all coordinating Base Stations (BSs) are jointly designed...
Provided by Kings College London
-
Whitepapers
On Dynamic Policies to Switch Off Relay Nodes
May 24, 2012, 12:00am PDT
Regenerative (or non-regenerative) wireless relays have recently emerged as a key technology for future and emerging mobile wireless networks, since they allow quick network roll out and improved...
Provided by Kings College London
-
Whitepapers
Introducing Multi-Plane Routing for Next-Generation All-IP Wireless Access Networks
May 24, 2012, 12:00am PDT
It becomes more and more recognized that using IP as the underlying foundation for the next-generation of wireless networks makes strong economic sense. This is evident in installation and...
Provided by Kings College London
-
Whitepapers
Outage and TIFR Capacity of Sensing Enhanced Spectrum Sharing Cognitive Radio Networks With Missed Detection Protection Constraints
May 24, 2012, 12:00am PDT
Spectrum sharing has been considered an effective method of mitigating the spectrum scarcity in wireless communications by allowing the coexistence of both unlicensed and licensed devices in the...
Provided by Kings College London
-
Whitepapers
Interference Alignment With Cyclic Unidirectional Cooperation
May 24, 2012, 12:00am PDT
Breaking the interference barrier has been set to be a major challenge in fulfilling the demands for high spectral efficiency in the future generations of wireless cellular networks. Recently, the...
Provided by Kings College London
-
Whitepapers
On the Outage and TIFR Capacity of Sensing Enhanced Spectrum Sharing Systems
May 24, 2012, 12:00am PDT
The potential of improving the achievable throughput of spectrum sharing cognitive radio networks by enhancing them with spectrum sensing capabilities has recently lead to the introduction of a...
Provided by Kings College London
-
Whitepapers
A Manifesto for Higher Order Mutation Testing
July 15, 2010, 12:00am PDT
The authors argue that higher order mutants are potentially better able to simulate real faults and to reveal insights into bugs than the restricted class of first order mutants. The mutation...
Provided by Kings College London
-
Whitepapers
Why the Virtual Nature of Software Makes It Ideal for Search Based Optimization
January 10, 2010, 12:00am PST
This paper provides a motivation for the application of search based optimization to Software Engineering, an area that has come to be known as Search Based Software Engineering (SBSE). SBSE...
Provided by Kings College London
-
Whitepapers
Open Problems in Testability Transformation
February 21, 2008, 12:00am PST
Testability transformation (tetra) seeks to transform a program in order to make it easier to generate test data. The test data is generated from the transformed version of the program, but it is...
Provided by Kings College London
-
Whitepapers
Measuring and Improving Latency to Avoid Test Suite Wear Out
July 22, 2010, 12:00am PDT
This paper introduces the concept of test suite latency. The more latent a test suite, the more it is possible to repeatedly select subsets that achieve a test goal (such as coverage) without...
Provided by Kings College London
-
Whitepapers
Cognitive Delay Tolerant Wired-Cum-Wireless Multimedia Networks
November 30, 2009, 12:00am PST
It is surprising to note that as of 2010 the significantly larger bulk of electronic data is neither delivered via a wireless nor a wired interface - it is simply posted. A significant constituent...
Provided by Kings College London
-
White Papers
Evolving a CUDA Kernel From an NVidia Template
July 13, 2010, 12:00am PDT
The authors automatically generate an nVidia parallel CUDA graphics card kernel with identical functionality to existing highly optimised ancient sequential C code. Essentially generic GPGPU C++...
Provided by Kings College London
-
White Papers
Evolving Gzip Matches Kernel From an NVidia CUDA Template
February 5, 2010, 12:00am PST
Rather than attempting to evolve a complete program from scratch the authors demonstrate genetic interface programming by automatically generating a parallel CUDA kernel with identical...
Provided by Kings College London
-
White Papers
An Analysis and Survey of the Development of Mutation Testing
September 21, 2009, 12:00am PDT
Mutation Testing is a fault - based software testing technique that has been widely studied for over three decades. The literature on Mutation Testing has contributed a set of approaches, tools,...
Provided by Kings College London
-
White Papers
Search Based Software Engineering: A Comprehensive Analysis and Review of Trends Techniques and Applications
April 9, 2009, 12:00am PDT
In the past five years there has been a dramatic increase in work on Search Based Software Engineering (SBSE), an approach to software engineering in which search based optimisation algorithms are...
Provided by Kings College London
-
White Papers
Test Data Augmentation : Generating New Test Data From Existing Test Data
July 13, 2008, 12:00am PDT
Existing automated test data generation techniques tend to start from scratch, implicitly assuming no pre-existing test data are available. However, this assumption may not always hold, and where...
Provided by Kings College London
-
White Papers
Constructing Subtle Faults Using Higher Order Mutation Testing
May 15, 2008, 12:00am PDT
Traditional mutation testing considers only first order mutants, created by the injection of a single fault. Often these first order mutants denote trivial faults that are easily killed. This...
Provided by Kings College London
-
White Papers
Traffic Grooming on Path Network
January 1, 2012, 12:00am PST
In traffic grooming the authors are given an optical network with nodes linked by optical fiber strand that support a number of wavelengths (light-path) with fixed bandwidth capacity, C. A demand...
Provided by Kings College London
-
White Papers
Efficient Multi-Granularity Service Composition
May 12, 2011, 12:00am PDT
Dynamic composition of services provides the ability to build complex distributed applications at run time by combining existing services, thus coping with a large variety of complex requirements...
Provided by Kings College London
-
White Papers
Green Spectrum Management for Mobile Operators
November 13, 2010, 12:00am PST
This paper proposes intra-operator dynamic spectrum access, i.e., dynamic spectrum access by an operator's networks of its available spectrum bands, as a means to improve power efficiency. It is...
Provided by Kings College London
-
White Papers
Semantics and Refinement of Behavior State Machines
March 10, 2008, 12:00am PDT
In this paper, the authors present an axiomatic semantics for UML 2 behavior state machines, and give transformation rules for establishing refinements of behavior state machines, together with...
Provided by Kings College London
-
White Papers
Quantitative Analysis of Secure Information Flow Via Probabilistic Semantics
July 6, 2009, 12:00am PDT
The authors present an automatic analyzer for measuring information flow within software systems. In this paper, they quantify leakage in terms of information theory and incorporate this...
Provided by Kings College London
-
White Papers
Automatically Compute Information Flow Quantity Via Probabilistic Semantics
June 11, 2009, 12:00am PDT
Measuring information flow in software has recently become an active research topic in the security community. Information about confidential inputs may flow to public outputs in batch programs....
Provided by Kings College London
-
White Papers
Contrasting Compile-Time Meta-Programming in Metalua and Converge
June 15, 2007, 12:00am PDT
Powerful, safe macro systems allow programs to be programatically constructed by the user at compile-time. Such systems have traditionally been largely confined to LISP-like languages and their...
Provided by Kings College London
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