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We evaluate the power savings achievable in the design of optical core networks considering design alternatives to solve LTD and RWA problems. Results show that an appropriate design can increase energy efficiency in WDM networks.
This paper presents two novel architectures for two-dimensional (2-D) Haar wavelet transform (HWT) of transform block in face recognition systems. The proposed architectures comprises 2-D HWT with transpose-based computation and dynamic partial reconfiguration (DPR) that have been synthesised using VHDL and implemented on Xilinx Virtex-5 FPGAs. To evaluate the proposed architecture, comparison for...
Wavelength-Routing (WR) networks are the most common solution for core networks. With the access segment moving from copper to Passive Optical Networks (PON), core networks will become one of the major culprits of Internet power consumption. However, WR networks offer some design flexibility which can be exploited to mitigate their energy requirements. One of the main steps which has to be faced in...
This paper describes a new dynamic partial reconfiguration (DPR) design flow and environment for image processing algorithms. The functionality and design techniques are demonstrated through an efficient implementation of colour space conversion (CSC) intellectual property (IP) core used in many image processing applications such as compression. Furthermore, an evaluation and application flow example...
Demands for electricity in Malaysia are expected to rise between five to six per cent for the next two to three years in line with increasing urbanization and rapid industrialization in the country. Malaysia is currently enjoying a healthy generating reserve capacity in the electricity sector, with an additional increase of 4,780 megawatt (MW) new generating capacity. Based on actual ratio/percentage...
The development of the security layers between the wireless terminals is one of the biggest trends in wireless communications. Bluetooth can be described as the short range and the low power supplements that holds the connection protocol through various devices. This paper presents the development of a secure wireless connection terminals on a field programmable gate array (FPGA). The wireless connection...
This paper describes the design and implementation of 3D Haar wavelet transform (HWT) with transpose based computation and dynamic partial reconfiguration (DPR). As a result of the separability property of the multi-dimensional HWT, the proposed architecture has been implemented using a cascade of three N-point 1D HWT and two transpose memory for a 3D volume of N ?? N ?? N, suitable for 3D medical...
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