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 future of Moore's Law is in jeopardy. The number of cores of many-core systems is steadily increasing for every technology node generation. Voltage scaling does not keep pace with the unabated decrease of transistor size. Higher leakage power and manufacturing variabilities are the consequences and lead to extremely critical power as well as thermal issues. These phenomena can downgrade the performance...
Many recent studies have proposed energy efficient approaches that use various techniques such as Dynamic Voltage Scaling (DVFS), CPU idling, and server consolidation in data centers. Also, many networking problems could be introduced by server consolidation techniques. In this research, we introduce an enhanced technique called Network and Power Aware (NPA) server consolidation that will dynamically...
Multi-NoC (multiple network-on-chip) has demonstrated its advantages in power gating for reducing leakage power. This work presents Chameleon, a novel heterogeneous Multi-NoC design. Chameleon employs a fine-grained power gating algorithm which exploits power saving opportunities at different levels of granularity simultaneously. Integrated with a performance-aware traffic allocation policy, Chameleon...
The last decade witnesses a dramatic advance of cloud computing research and techniques. One of the key faced challenges in this field is how to reduce the massive amount of energy consumption in cloud computing data centers. To address this issue, many power-aware virtual machine (VM) allocation and consolidation approaches are proposed to reduce energy consumption efficiently. However, most of those...
In this paper, the antenna location in distributed antenna system with hybrid user distribution is discussed. Instead of maximizing the cell ergodic rate, we focus on minimizing the expectation of squared distance applying selective transmission schemes. Using the weighted expectation of squared distance criterion (WESDC), the optimization problem of antenna location is proved to be convex when two...
In recent years there has been renewal of interest in the relation between Green IT and High Performance Computing. The growing use of supercomputers has caused marked energy burden, putting negative pressure on electricity cost of computing centers. Scientists could foresee that the power consumption of computing facilities will double, triple, or even more in the next decade. Each year more and...
Public resource computing depends on the availability of computing resources that have been contributed by individuals. The amount of resources can be increased by incentivizing resource providers through payment for resources. However, there are costs associated with providing resources for public grid computing. Without an understanding of these costs, it is impossible for a provider to judge if...
We propose a novel distributed cross-layer optimization approach for cognitive radio wireless networks. A cognitive radio is a wireless device that is capable of sensing the prevailing environmental conditions and automatically adapting its operating parameters in order to enhance the performance of both the system and potentially the whole network. Given the lack of a centralized intelligence to...
The computing power of microprocessors has exponentially increased in the past few decades, so the support to compute intensive multimedia applications has increased too. With such improved computing power, memory subsystem deficiency becomes the major barrier to support video decoder on the Digital Signal Processor (DSP). H.264/AVC becomes the next generation of video codec for embedded systems....
In this paper, we address the issue of transmission power control (TPC) in wireless ad hoc networks. Power control plays an important role in energy saving and network performance enhancement. However, the existing TPC schemes either face the problem of hidden and exposed terminal or have additional hardware requirements. We propose a novel distributed power control protocol, called Receiver Initiated...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.