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In this paper, we introduce a systematic power analysis framework for SoC designs using bottom-up power modeling integrated with top-down power estimation. Four power analysis tools have been realized: (1) PowerBrick, a power characterization tool to construct power libraries for standard cell library and memory compiler, (2) PowerMixer, an RTL/gate-level power estimator for large logic design, (3)...
In this paper, we introduce an integrated power methodology for multi-core SoC designs. It features not only a bottom-up IP-based power modeling for all kinds of IP components ranging from hardware accelerators, processors, and memory blocks, but also a top-down system-wide ESL power estimation formulation. By linking these two methods of different levels of abstraction, one can thereby easily profile...
This paper presents the design and implementation of a software system which provides location tracking and messaging services for mobile group communication in IP networks. This system architecture consists of central tracking, handheld tracking, handheld messaging and Web-based administration subsystems. After prototype development and demonstration, the system is able to offer mobile users a variety...
The advent of ubiquitous IP networks enables users to freely move and continue network services anytime, anywhere by means of mobile handheld devices. This paper exploits network ubiquity and advanced device capability to develop a novel mobile group communication system. Our work presents the design and implementation of a proof-of-concept software system. This system architecture consists of four...
SCTP (Stream Control Transport Protocol) is a latest transport protocol, which is mainly used to transport PSTN coder over IP network. Transport performance of SCTP, TCP and UDP will be compared in generic network. These findings suggest that transport performance of SCTP is greatly inferior to one of TCP and UDP. Relationship between number of SCTP stream and transport performance of SCTP are discussed...
Unidirectional Lightweight Encapsulation (ULE) is made to overcome some efficiency issues that occurred in Multi-Protocol Encapsulation (MPE). ULE reduces data transmission overhead. Sending data through Digital Video Broadcast via Satellite (DVB-S) technology is more cost effective compared to the traditional satellite based Internet Protocol architecture. In this paper, UDL (Unidirectional Link)...
Mobile ad hoc networks (MANETs) are typically considered as stand-alone, autonomous networks that support multihop communication without relying on any existing infrastructure. However, the integration of MANETs and infrastructure networks such as the Internet extends the network coverage and increases the application domain of ad hoc networks. In this paper we propose an architecture for integrating...
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