Scheduling two-component products on parallel machines

We consider a scheduling problem in which N products are processed on M identical parallel machines. Each product comprises two components. Because the components of a product are processed in a fixed order, one is conveniently called as first-component and the other is as second-component. First-components are fabricated in batches, each of which is initiated with a set-up. As for second-components, they are manufactured individually. Two components of a product are restrictedly processed on the same machine. A product is completed when both its two components have been completed and are available. We propose two heuristics to build up near-optimal schedules with respect to minimizing the total completion time of products. The performances of both heuristics are compared with a lower bound. Especially, within the experimental range, one heuristic not only dominates over the other all the time but also is much more timesaving.Two-component product Scheduling Setup

Ultra-high-definition video transmission for mission-critical communication systems applications

With the standardization of ultra-high-definition formats and their increasing adoption within the multimedia industry, it has become vital to investigate how such a resolution could impact the quality of experience with respect to mission-critical communication systems. While this standardization enables improved perceptual quality of video content, how it can be used in mission-critical communications remains a challenge, with the main challenge being processing. This chapter discusses the challenges and potential solutions for the deployment of ultra-high-definition video transmission for mission-critical applications. In addition, it examines the state-of-the-art solutions for video processing and explores potential solutions. Finally, the authors predict future research directions in this area