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A large number of temperature-aware routing algorithms have been proposed to prevent the damage of surrounding tissues caused by temperature rise in wireless body sensor network. But, since the existing temperature-aware routing algorithms for WBSN have not taken account of human postural mobility, large of packet are lost due to topological partitioning. To solve this problem, in this paper, we propose...
The current Internet, while successful in many aspects, has a set of associated architectural and business problems. This article discusses problems of the Internet and presents challenges of the future Internet, with a particular focus on manageability. This paper advocates that the data, control, and management planes should be separated; this provides more granular path control selection for traffic...
One of the most fundamental management aspects of the Future Internet is the representation of management and operational data. The vast majority of languages and data structures used by network device manufacturers, such as SNMP-based designs and Command Line Interfaces, are data-oriented and are incapable of representing semantics. In addition, such languages have no ability to represent business...
An energy efficient multi hop sensor network cannot avoid the energy hole problem, which is the rapid decrease in the energy of nodes around the sink. Also as a sensor network has a limited node resources and unexpected changes of external environment, its nodes should show energy efficiency, reliable data transmission, and topological adaptation to the change of external environment. This study proposes...
As a sensor network has a limited node resources and unexpected changes of external environment, its nodes should show energy efficiency, reliable data transmission, and topological adaptation to the change of external environment. However, it is not easy to satisfy these requirements at the same time. This study proposes Robust and Energy efficient Dynamic Single path routing (REDS), a routing mechanism...
Previous key management methods are not adequate for secure data communication through cluster-based routing. Because the cluster head is changed at each round in cluster-based routing, it has to take the step of authentication or shared key setting with each member node. In addition, because most of previous key management mechanisms do not assign mobility to all nodes in the sensor network, there...
In this paper, we studied the multi-hop broadcast algorithms for delivery of safety message in inter vehicle communication environment. In MANET environment, there are three multi-hop broadcasting schemes such as probability based methods, area based methods and topology based methods. We simulate MANET based multi-hop broadcasting schemes and evaluate the performance of our work in order to analyze...
With research effort of Ubiquitous computing development, Wireless Sensor Networks have also been studied and deployed in many places. Recently various works for sharing the existing sensor data have been tried. In this paper we propose a P2P based system for sharing sensor data. It uses a structured P2P - Pastry to provide DHT based routing without server and has been deployed in KOREN. We classify...
We present the method for five-step (pad-pad short-pad open-short-open) on-chip parasitic de-embedding. Its validation is verified by gate electrode resistance and input capacitance of transistors based on 45 -nm CMOS process. Optimized dummy structures to remove the parasitic components due to the pad and routing metal are proposed. Parameters extracted by the proposed method have excellent physical...
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