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A comparative analysis of three replicated experiments comparing inspection and unit testing

Code inspections and structural unit testing are two common defect detection methods in software development. This paper analyses three replications of an experiment aimed at comparing which method finds more defects. The first two experiments use the same experimental design and materials, including the programs to be inspected or tested, while the third experiment replaces the programs with code

A High-Speed QR Decomposition Processor for Carrier-Aggregated LTE-A Downlink Systems

This paper presents a high-speed QR decomposition (QRD) processor targeting the carrier-aggregated 4 × 4 Long Term Evolution-Advanced (LTE-A) receiver. The processor provides robustness in spatially correlated channels with reduced complexity by using modifications to the Householder transform, such as decomposing-target redefinition and matrix real-valued decomposition. In terms of hardware desig

Performance modelling and simulation of the Mobile Cloud Network

The Mobile Cloud Network is an emerging distributed cloud infrastructure paradigm that attempts to accommodate the evolution of application’s execution paradigms and how content is distributed. The Mobile Cloud Network employs a distributed cloud infrastructure with data centres of varying capacity, embedded in the core and access networks. Resources are thinned over the network and arguably decay

Supporting Intelligibility in a Healthcare scenario using Palcom

In this paper we describe a scenario for supporting healthcare at home and identify some demands for intelligibility in this situation. In such a system we have identified a need for flexible adding and removing medical devices, and to support changing functionality depending on if a nurse is present or not. We suggest that this kind of variability can be addressed by introducing guards in our rul

A 90 nm CMOS 14.5 GHz injection locked LO generator with digital phase control

A 14.5 GHz Injection Locked Oscillator (ILO) with digital output phase control has been implemented in a 90 nm CMOS process. It is intended for LO signal generation in integrated phased array transceivers. The chip, measuring 360x530 μm2 including pads, was characterized using on-wafer probing. It consumes 9.4 mA from a 1.2 V supply and has a 1.4 GHz frequency range where full 3600 phase range is

Convex programming-based resource management for uncertain execution platforms

An approach to constrained resource allocation for real time software components executing on nondeterministic hardware is considered. A model for resource consumption based on execution rate is investigated together with an event-based measurement and parameter estimation scheme. Finally, an algorithm for real time constrained optimization of resources is presented together with results from a ca

An On-Demand WebRTC and IoT Device Tunneling Service for Hospitals

In this paper we present the implementation of a WebRTC gateway service that can forward ad-hoc RTP data plane traffic from a browser inside a local hospital network to a browser on a local home network. The gateway leverages the same infrastructure used by the hospital to tunnel sensor and control data for medical devices in home-care deployments. In our use case, doctors at hospitals can only ac

eavesROP: Listening for ROP Payloads in Data Streams (preliminary full version)

We consider the problem of detecting exploits based on return-oriented programming. In contrast to previous works we investigate to which extent we can detect ROP payloads by only analysing streaming data, i.e., we do not assume any modifications to the target machine, its kernel or its libraries. Neither do we attempt to execute any potentially malicious code in order to determine if it is an att

An optimization model for communication networks resilient to partial multiple link failures

This submission is devoted to optimization of networks that permanently experience fluctuations of the capacity available on their links. This is an important and novel topic since limited link availability is a fundamental feature in wireless networks and yet majority of work in survivable network design is restricted to the total single link failures. We assume a given finite set of network stat