Guest editorial: Building performance and sustainable infrastructure: unsustainable return to practice

Guest Editorial Cloud-Based Mobile Media: Infrastructure, Services and Applications

The proliferation of smart phones and tablets have fuelled a new wave of demand for mobile services. Today's users not only expect ubiquitous network connections, but also seek a rich media experience wherever they go and whenever they need. The thrive of mobile media gives rise to a multi-fold of technical challenges. It is hard to sustain satisfactory quality of experience over inherently unr...

Guest editorial - the turbo principle: from theory to practice II

INTRODUCTION I N 1997, Hagenauer coined the phrase " the turbo principle " to describe the fundamental strategy underlying the success of turbo decoding, namely the iterated exchange of soft information between different blocks in a communications receiver in order to improve overall system performance. This principle, embodied in the iterative decoding of parallel concatenated " turbo codes " ...

Guest Editorial: Performance Evaluation of Wireless Systems

Guest editorial Eight essentials of performance measurement

A well-designed performance measurement system is vital for ensuring that organisations deliver cost-effective, high-quality services that meet the needs of service users. Without feedback on all important aspects and a system for ensuring that the organisation acts on that information, managers are struggling in the dark to improve services. However, performance measurement is not easy, partic...

Technology and Change in Educational Practice (Guest Editorial)

14 ISSN 1436-4522 (online) and 1176-3647 (print). © International Forum of Educational Technology & Society (IFETS). The authors and the forum jointly retain the copyright of the articles. Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage a...