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.
The growing availability of sensors integrated in smartphones provides much more opportunities for context-aware services, such as location-based and profile-based applications. Power consumption of the sensors contributes a significant part of the overall power consumption on current smartphones. Furthermore, smartphone sensors have to be activated in a stable period to match to the request frequency...
GPU can offer more powerful computing capabilities compared to that of the CPU, but the problem of the energy consumption is particularly prominent and affects its application in a broader filed. In solving this problem, DVFS (Dynamic Voltage Frequency Scaling) becomes an effective solution. The previous works use the linear approaches and ignore other component characteristics in system at software...
Task assignment is one of the essential steps to enhance the cooperation of robotic fish sensor network effectively. Meanwhile, reasonable task assignment also improves the lifetime of the whole network due to the fact that robotic fish are battery-operated. Therefore, a new energy-saving task assignment method is proposed based on artificial fish swarm algorithm. First, the modeling of energy consumption...
Energy efficiency is a key issue in the design of wireless sensor networking systems because each sensor node carries power source of limited capacity and cannot be easily replaced. To achieve high energy efficiency, a typical approach is to cluster the sensor nodes in some way so that energy is conserved. In practice, it is critical to select some nodes as cluster-heads to form clusters so that the...
Network lifetime is one of important performance index for wireless sensor networks. It is essential that the tasks are assigned in the wireless sensor networks in order to complement this index. Therefore, a new energy-saving task assignment method is proposed. This method describes a cost function based on entropy theory according to the nodes status, such as computing resources, the residual energy...
Nowadays as low carbon economy is greatly advocated worldwide, the electricity consumption caused by a huge number of embedded computer systems is gaining more and more attention. Different instruction set, software algorithm and high-level software architecture can significantly affect the system energy consumption. In this paper, we first analyze the relations between software power consumption...
The energy consumption optimization of embedded systems can be undertaken in multiple levels of hardware and software. In this paper, based on the energy consumption measurement of embedded software, the generating reasons and influencing factors of embedded software energy consumption on the micro-structure and circuit level of hardware were analyzed firstly. Then, to reduce the energy consumption...
In embedded systems, the frequent execution of software drives the activities of hardware, which causes the energy consumption of systems. In this paper, we first propose an improved C source-level code program energy model by considering the energy consumption of instruction fetching phase, in which a accurate energy algorithm is used. Then, we implement a method to dynamically calculate the run-time...
Energy is a limited resource in wireless sensor networks. The reduction of energy consumption is crucial to prolong the lifetime of wireless sensor networks. Dynamic power management (DPM), which is to reduce power dissipation by putting the sensor node into different states, should be carefully taken into account in wireless sensor networks. In this paper, a new method of DPM is proposed. In this...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.