To minimize enormous havoc from disasters, permanent environment monitoring is necessarily required. Thus, we propose a novel energy management protocol for harvesting wireless sensor networks, named the adaptive node (ASMP). The proposed makes system components to systematically control their performance conserve energy. Through this protocol, nodes autonomously activate an additional conserva...

This paper presents a novel design concept of low-cost permanent monitoring system for rail-track problems. The introduced is theoretically overcome the currant in-use designs in terms providing accurate observations detecting irregularities all railway network during service time using integrated sensors. investigates common by identifying issues, presenting challenges, and highlighting limita...

This paper studies the repeated prisoners’ dilemma with private monitoring for arbitrary number of players. It is shown that a mixture of a grim trigger strategy and permanent defection can achieve an almost e¢cient outcome for some range of discount factors if private monitoring is almost perfect and symmetric, and if the number of players is large. This approximate e¢cieicny result also holds...

Engineering structures such as bridges, tunnels, dams or towers are beginning to approach their service lifetime. To give an example, more than 20,000 bridges in Germany currently require immediate rehabilitation; similar situations apply in other countries. Thus, efficient and cost-effective structural health monitoring systems are needed to ensure serviceability and structural safety through ...

, commonly known as WiMAX (Worldwide Interoperability for Microwave Access Forum), is one of the most promising broadband wireless access technology for next generation all-IP networks. This access technology allows reaching high bit rate and covering large areas with a single Base Station (BS). Thanks to these features, IEEE 802.16 opens the way for the use and the introduction of wireless tec...

The work is devoted to research in the field of development and modernisation universal measuring equipment (measuring probes) obtain information on deformation processes pavement layers subgrade soil under dynamic loads moving transport highways, as well specially created testing grounds. presented allows receiving data automatic mode day night transmitted a remote server via wireless channel....

The hidden nature of subgrades makes the effective monitoring their deformation very difficult. This paper addresses this issue by proposing use fiber Bragg grating (FBG) sensing technology. Here, an FBG is encapsulated within a tube formed from polyvinyl chloride tube, and one end fixed perpendicular to concrete column, forming cantilever beam system. assessed according theoretical relationshi...