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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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IEMEK Journal of Embedded Systems and Applications
Journal Basic Information
Journal DOI :
Institute of Embedded Engineering of Korea
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Volume & Issues
Volume 2, Issue 4 - Dec 2007
Volume 2, Issue 3 - Sep 2007
Volume 2, Issue 2 - Jun 2007
Volume 2, Issue 1 - Mar 2007
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An Efficient Embedding Structure for Heterogeneous Routing Protocols in Wireless Mesh Routers
Lee, Youngsuk ; Kim, Younghan ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 209~213
In this paper, we propose more efficient implementation architecture for realizing combination of heterogeneous routing protocols in wireless mesh routes. For realizing heterogeneous routing protocol in wireless mesh router, the following should be considered; which position in OS platform protocols should be implemented, how to define the common API for multiple routing protocols, how to provide architecture for providing high data transfer throughput and for supporting multi platform, and finally how to verify the throughput of protocol by using simulator. For solving those consideration, we propose HRPC(Heterogeneous Routing Protocol Coordinator) and describe the method for testing the protocols.
Development of Electronic White-board Based on Embedded Linux
Seo, Chang-Jun ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 214~220
Recently, most embedded systems have the multi-functions mixed the hardware with the software. The existing sequence programming methods are not suitable to implement the embedded system with multi-functions. So, it can be overcome the limit of a facility implementation by introducing the operating system in system. Also, due to the requirement about the better convenient and comfortable meeting or lecture environment, the necessity of electronic white-board is getting higher. Specially, the education using multimedia information is much more desirable for various and improved lecture at the high school and the university. But the sequence program which have been managed in existing electronic white-board system has some difficulties to achieve the software-oriented systems which has to accomplish many functions. In this paper, we propose the method to implement a facility of electronic white-board through using the embedded linux with excellent performance. The embedded linux presents the powerful software environment for the implementation of an embedded system and makes the realization of many various functions easy because it follows kernel characteristics of linux. In this paper, we describe the details for the structure of hardware, kernel source and device driver of a developed electronic white-board.
Control Network Design for Multi Body Robot Based on IEEE1394
Cho, Jung San ; Sung, Young-Whee ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 221~226
This paper propose a control network system based on IEEE1394 for a multi body robot control. The IEEE1394 has the characteristic of high speed(400Mbps), real-time, stability and plug&play. And IEEE1394 also supports freeform daisy chaining, branching and hot plugging, which reduce cabling complexity and make a system simple. Especially, multi host and broad casting support network data sharing method which is suitable for control network for multi body robot. Through experiment, we show that the proposed control network can interface 48 joints (BLDC motors, gears, and encoders) and four 6-axis force/torque sensors with 4Khz communication bandwidth, which is adequate for a multi body robot.
TDOA-Based Sound Source Localization to Control Intelligent Service Robot's Attention
Bae, Kyung-Sook ; Lee, Jae-Yeon ; Kwak, Keun-Chang ; Yoon, Ho-Sub ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 227~232
Dynamic Access Control for Personalized Environment in Ubiquitous Computing
Kim, Yuna ; Shin, IlShik ; Hong, Sung Je ; Kim, Jong ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 233~241
In an ubiquitous environment, for controlling user access according to environment of users, a number of access control models enforcing dynamic environment of users have been proposed. However, they do not support personalized environments of each user and have a run-time overhead of searching active roles. In this paper, we propose a new model, PE-RBAC, that extends the RBAC architecture by addition of a personalized environment component as a constraint to accommodate dynamic and mobile users. In this model, a dynamic role activation is presented by using a new role-to-environment structure instead of the conventional role hierarchy, which makes it efficient to find the active roles according to a user's personalized environment.
A Software Architecture for Highly Reconfigurable Sensor Operating Systems
Kim, Tae-Hwan ; Kim, Hie-Cheol ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 242~250
Wireless sensor networks are subject to highly heterogeneous system requirements in terms of their functionality and performance due to their broad application areas. Though the heterogeneity hinders the opportunity of developing a single universal platform for sensor networks, efforts to provide uniform, inter-operable and scalable ones for sensor networks are still essential for the growth of the industry as well as their technological advance. As a part of our work to develop such a robust platform, this paper presents the software architecture for sensor nodes with focus on our sensor node operating system and its configuration methodology. Addressing principle issues in its design space which includes programming, execution, task scheduling and software layer models, our architecture is highly reconfigurable with respect to system resources and functional requirements and also highly efficient in supporting multi-threading under small system resources.
Development of RTE and Generator for Supporting AUTOSAR Standard Platform for Vehicle
Piao, Shi-Quan ; Jo, Hyun-Chul ; Cho, Sung-Rae ; Ryu, Hyun-Ki ; Jung, Woo-Young ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 251~259
AUTOSAR is a partnership of automotive manufacturers and suppliers working together to develop and establish a de-facto open industry standard for automotive software architectures. In the AUTOSAR architecture, the runtime environment is at in the heart of the AUTOSAR architecture to provides the infrastructure services that enable communication between software components and between software components and basic software components. The RTE generator is an automated generation tool for AUTOSAR specification based RTE according to the ECU configuration. It generates communication API function for the software components and the basic software components like OS and COM of the application. The availability and the accuracy of the RTE generator are important for the automobile software which is based on AUTOSAR architecture, this paper proposes an architectural design of the RTE generator for auto-generation of the AUTOSAR based RTE.
System Software Modeling Based on Dual Priority Scheduling for Sensor Network
Hwang, Tae-Ho ; Kim, Dong-Sun ; Moon, Yeon-Guk ; Kim, Seong-Dong ; Kim, Jung-Guk ;
IEMEK Journal of Embedded Systems and Applications, volume 2, issue 4, 2007, Pages 260~273
The wireless sensor network (WSN) nodes are required to operate for several months with the limited system resource such as memory and power. The hardware platform of WSN has 128Kbyte program memory and 8Kbytes data memory. Also, WSN node is required to operate for several months with the two AA size batteries. The MAC, Network protocol, and small application must be operated in this WSN platform. We look around the problem of memory and power for WSN requirements. Then, we propose a new computing model of system software for WSN node. It is the Atomic Object Model (AOM) with Dual Priority Scheduling. For the verification of model, we design and implement IEEE 802.15.4 MAC protocol with the proposed model.