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- 검색키워드
- 저자 : Yoshihiro YASUTAKE (검색결과 3 건)
- 무료
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DEVELOPMENT OF A WIRELESS COMMUNICATION SYSTEM BASED ON BLUETOOTH ENABLE MOBILE PHONE
Yukiko YAMAKAWA,Yoshihiro YASUTAKE,Koichiro TANAKA 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
This paper presents a communication system with a mobile phone which supports Bluetooth wireless communication technologies, and reports evaluation of the system. To make various devices transfer data anytime, anywhere, we adopt the mobile phone as a gateway that becomes a core in the wireless communication. We evaluate the performance of Bluetooth equipped in the mobile phone at first, and develop a communication gateway program on Symbian OS. The evaluation is performed in demonstration experiment. The result shows that our system on the mobile phone satisfies the requirements as the communication gateway. Moreover, for improving the performance of data transfer time, we develop data compression program. We have confirmed that our system achieved the effective and on-demand wireless communication.
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Hiroyuki Maeda,Yoshihiro Yasutake,Azumi Iihoshi,Koichiro Tanaka 대한전자공학회 2018 IEIE Transactions on Smart Processing & Computing Vol.7 No.1
The training of embedded software engineers in educational institutions is required for embedded systems companies. We focus on computer architecture education for learning about the operations and architectures of processors. We use the Kyutech Easily Reconstructive Naked Educational (KERNEL) system, which was designed for computer architecture education. The KERNEL system enables users to observe the internal architecture and states of processors during execution. It helps beginners to learn the basics of a computer architecture by writing their programs into the KERNEL memory so they can observe the processor’s execution. This paper describes a field-programmable gate array (FPGA)-based educational system cooperating with mobile applications, and offers a performance evaluation of its wireless communications. The system consists of an FPGA board implemented with one"s own K16 model processor that designed for computer hardware educations in the KERNEL system and mobile applications that become a console for setting and displaying the internal state of the processor. It is possible for users to write their programs, set registers in the processor, and observe the internal state of the processor during execution by using a mobile application. Communications between the FPGA and the mobile application uses classic Bluetooth and Bluetooth Low Energy technology.
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A GUI-based Application for Learning Computer Architecture using Educational Microprocessor
Ayato UEDA,Hiroyuki MAEDA,Yoshihiro YASUTAKE 대한전자공학회 2015 ITC-CSCC :International Technical Conference on Ci Vol.2015 No.6
For learning CPU architecture, we take advantage of the educational microprocessor called KERNEL. It is designed to visually present register value and signal flow. In this research, we implement KERNEL on a FPGA board and its console on a mobile computer. Our proposed system on FPGA board has the function of transmitting internal state of processor to console with Bluetooth communication. And, console is realized by a GUIbased application on a mobile computer and shows the processor state sent by FPGA board. In addition, it also has the simulator of microprocessor. This system enables educational processor to be provided at low cost and contributes flexible learning environment.
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