Evolution of iot: An industry PErsPEctivE

(c) 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.[EN] Mobile ad hoc networks have evolved since the early 1990s: over two decades. However, the unique concept of wireless deviceto-device networking has now ballooned into a major technology and industry revolution with applications impacting many facets of our lives. In fact, it has paved the way for the Internet of Things and smart cities. In this article, the evolution of IoT through mobile ad hoc networks is discussed, and its penetration into defense, society, and industries through ZigBee, Z-Wave, and other technologies is revealed. Finally, a discussion is presented of IoT architecture, connectivity, cloud, and analytics, and its implications on the realization of future smart citiesCano, J.; Berrios, V.; Garcia, B.; Toh, C. (2018). Evolution of iot: An industry PErsPEctivE. IEEE Internet of Things Magazine. 1(2):2-7. https://doi.org/10.1109/IOTM.2019.1900002S271

A UAV-Based Content Delivery Architecture for Rural Areas and Future Smart Cities

[EN] Content delivery in vehicular environments can serve multiple purposes, such as safety, entertainment, and news delivery that can be geographically relevant to vehicles traveling within a certain area. The traditional approach to address this problem, based on fixed networking infrastructure, suffers from the following two drawbacks: First, the efficient delivery of large-sized contents to multiple moving receivers simultaneously can be hard to achieve, and second, most of the roads outside the main urban areas lack such fixed infrastructures due to economic reasons. In this paper, we tackle both these issues by proposing rapidly deployable wireless access infrastructures combining RaptorQ-protected content diffusion and unmanned aerial vehicles (UAVs). We performed experiments using actual vehicles and UAVs, and our results showed that RaptorQ-based content dissemination mechanisms is highly efficient when transmitting to multiple moving receivers simultaneously, and UAVs can serve as cheap, effective, and rapidly deployable mobile wireless access elements.Ortiz-Mayordomo, S.; Tavares De Araujo Cesariny Calafate, CM.; Cano, J.; Manzoni, P.; Toh, C. (2019). A UAV-Based Content Delivery Architecture for Rural Areas and Future Smart Cities. IEEE Internet Computing. 23(1):29-36. https://doi.org/10.1109/MIC.2018.2884277S293623

The Cholecystectomy As A Day Case (CAAD) Score: A Validated Score of Preoperative Predictors of Successful Day-Case Cholecystectomy Using the CholeS Data Set

Background Day-case surgery is associated with significant patient and cost benefits. However, only 43% of cholecystectomy patients are discharged home the same day. One hypothesis is day-case cholecystectomy rates, defined as patients discharged the same day as their operation, may be improved by better assessment of patients using standard preoperative variables. Methods Data were extracted from a prospectively collected data set of cholecystectomy patients from 166 UK and Irish hospitals (CholeS). Cholecystectomies performed as elective procedures were divided into main (75%) and validation (25%) data sets. Preoperative predictors were identified, and a risk score of failed day case was devised using multivariate logistic regression. Receiver operating curve analysis was used to validate the score in the validation data set. Results Of the 7426 elective cholecystectomies performed, 49% of these were discharged home the same day. Same-day discharge following cholecystectomy was less likely with older patients (OR 0.18, 95% CI 0.15–0.23), higher ASA scores (OR 0.19, 95% CI 0.15–0.23), complicated cholelithiasis (OR 0.38, 95% CI 0.31 to 0.48), male gender (OR 0.66, 95% CI 0.58–0.74), previous acute gallstone-related admissions (OR 0.54, 95% CI 0.48–0.60) and preoperative endoscopic intervention (OR 0.40, 95% CI 0.34–0.47). The CAAD score was developed using these variables. When applied to the validation subgroup, a CAAD score of ≤5 was associated with 80.8% successful day-case cholecystectomy compared with 19.2% associated with a CAAD score >5 (p < 0.001). Conclusions The CAAD score which utilises data readily available from clinic letters and electronic sources can predict same-day discharges following cholecystectomy

Diffusion of a Si atom on the Si(001)-2×1 surface: A Monte Carlo study

10.1103/PhysRevB.45.11120Physical Review B451911120-1112

Effects of an anomalous strain accommodating behavior of Si ad-dimers on the nucleation of regular and defect islands

Surface Science3143L889-L896SUSC

Adatom-dimer interaction on the Si(001)-2 × 1 surface

Surface Science3031-2L348-L353SUSC

Diffusion and interconversion of 'defect' ad-dimers on the Si(001) 2*1 surface: A molecular statics study

10.1088/0953-8984/5/5/006Journal of Physics: Condensed Matter55551-55

Kink assisted growth of single height steps on the Si(001)-2 × 1 surface

Surface Science2921-2114-120SUSC