Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
Localization of sensor nodes is important for wireless sensor networks (WSNs) especially for underwater WSNs (UWSNs). Among the existing UWSN localization approaches, reverse localization scheme (RLS) is an event-driven method suitable for underwater surveillance. RLS adopts the strongest arrival or the first arrival as the direct path, which is however not accurate enough due to the severe multipath...
In underwater wireless sensor networks (USWNs), localizing unknown nodes is essential for most applications while is more complex than that of terrestrial WSNs. In this paper, we propose a range-based localization scheme using deep neural network (DNN). Numerical results suggest that the proposed DNN localization algorithm outperforms traditional schemes using least squares support vector machines...
Data aggregation is a significant issue for marine wireless sensor networks. However, marine sensors are always deployed far away from the security monitoring. Thus, the secure data aggregation for marine sensor networks emerges and attracts the researchers and engineers. Multi-signature enables the data aggregation with a single signature to authenticate the message under different signers. However,...
The article based on Zigbee research a solution which can achieve new freeway vehicles with wireless system to locate and distance measurement. First, according to practical demand of analysing the location and distance measurement system of freeway vehicles propose developing function and technical indicators of the system. Combine with Zigbee technical features designing overall structure, clarifying...
Aiming at farmland information monitoring in remote mountain areas, using wireless sensor networks (WSNs) and unmanned aerial vehicle (UAV) is a good way to collect the information. However, UAV has some limitations, such as energy, that have limitation on the work time of UAV. Therefore, the path planning for UAV is an important factor in order to gather data correctly. Considering the irregularity...
Different from the previous duster-based structure, in this paper, we present a grid-based load-balanced routing method (GLRM) that aims to use a controlled sink to achieve load-balance in a non-uniform distributed network. Cell-header election of each cell is based on three parameters, i.e. the number of data packets that nodes need to relay, the Euclidean distance to the mid-point of cells and residual...
China's medical healthcare system has witnessed a great evolution from clinical normalization phase to pervasive informatization phase. Unquestionably, emergence of IoT (Internet of things) technology contributes to the development of medical healthcare informatization. Yet, it is widely researched and accepted that privacy protection has become a bottleneck of smart medical healthcare nowadays. Consequently,...
A novel model about the local-world linear expanding evolution of wireless sensor networks(WSNs) has been put forward in the basis of the classic BA scale-free model. The four types of internal evolving behaviors in wireless sensor networks are reflected in the dynamic process of the model. With the application of continuous field theory, the characteristics of network nodes' degree distribution are...
Smart Wireless Video Sensor Network (SWVSN) provides a new approach for fire detection and alarm. Compare with traditional approach, the system based on SWVSN proposed in this paper has features of smart event-oriented data processing, convenient arrangement, flexible network organizing. The system consists of three layers including camera node layer, base station layer and control layer. Due to using...
This paper describes an on-line monitor system based on wireless sensor networks, which could test the ingredients of vehicles' off-gases, and also introduces the design of the hardware and software in details, and transplants the Zigbee protocol on the system at last. With the character of portability and the high precision gas sensors, the system could monitor the off-gases and distinguish the ingredients...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.