• 제목/요약/키워드: Hardware + Software

검색결과 2,804건 처리시간 0.03초

Analysis of Verification Methodologies Based on a SoC Platform Design

  • Lee, Je-Hoon;Kim, Sang-Choon
    • International Journal of Contents
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    • 제7권1호
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    • pp.23-28
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    • 2011
  • In a SoC (system-on-chip) design, a design complexity is a big bottleneck. In order to overcome the design complexity, platform based design method is widely adopted for designers. Most complex SoCs need a heterogeneous design development environment for hardware and software co-design. In this paper, we discuss about some kinds of verification approaches with platform based design methodology at various abstraction levels of SoC design. We separate the verification process to two steps according to the different levels of verification. We employ a flexible SoC design environment to support simultaneous hardware and software development. We demonstrate the verification strategy of a target SoC design, IEEE 802.11a WLAN SoC.

틸팅차량 속도 향상에 따른 규정(안) 연구 (A Study on Speed Regulations in Accordance with Speed-up for Tilting Train)

  • 정종덕;김정국;홍용기;김원경;편장식
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2004년도 춘계학술대회 논문집
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    • pp.837-841
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    • 2004
  • In order to improve the speed of railway, several parameters and/or technical issues, which are affecting speed improvement negatively, need to be considered in addition to the enhancement of physical performance of the railway system such as maximum speed, speed at curve, and speed at turnout track. The parameters under complicated situation of railway system are from the areas of rolling stocks, track, power system, signalling, etc. In general, two different aspects of technical issues can be evaluated; Technical issues in the hardware aspect and technical issues in the software aspect. The hardware parameters include running performance, braking performance, and power performance, while the software factors are rules, regulations, and riding quality. In this investigation, a comparison study between hardware and software aspects in technical issues was conducted to provide technical information on the amendment of railway speed-up regulations.

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COSIM(HARDWARE-SOFTWARE COSIMULATOR): JAVABEANS-BASED TOOL FOR WEB APPLICATIONS

  • Lee, Kangsun;Jaeho Jung;Youngsuk Hwang
    • 한국시뮬레이션학회:학술대회논문집
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    • 한국시뮬레이션학회 2001년도 The Seoul International Simulation Conference
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    • pp.354-358
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    • 2001
  • Cosim (Hardware and Software Co-Simulator) is a JavaBeans-based simulation tool fur validating systems architecture and estimating performance of web applications. Cosim has four components: Modeler, Translator, Engine and Scenario. Users start from Modeler to describe systems architecture in UML(Unified Modeling Language) deployment diagram, and then specify hardware & software performance parameters such as execution delay, network topology, and frame size. All information specified on Modeler are sent to Translator, and then automatically converted to Java programs. Scenario is responsible to run the Java program and produce results in text reports and graphs. Developers can reduce development time and cost by validating systems architecture of web applications before the actual deployment.

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VLSI Implementation of H.264 Video Decoder for Mobile Multimedia Application

  • Park, Seong-Mo;Lee, Mi-Young;Kim, Seung-Chul;Shin, Kyoung-Seon;Kim, Ig-Kyun;Cho, Han-Jin;Jung, Hee-Bum;Lee, Duk-Dong
    • ETRI Journal
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    • 제28권4호
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    • pp.525-528
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    • 2006
  • In this letter, we present a design of a single chip video decoder called advanced mobile video ASIC (A-MoVa) for mobile multimedia applications. This chip uses a mixed hardware/software architecture to improve both its performance and its flexibility. We designed the chip using a partition between the hardware and software blocks, and developed the architecture of an H.264 decoder based on the system-on-a-chip (SoC) platform. This chip contains 290,000 logic gates, 670,000 memory gates, and its size is $7.5\;mm{\times}7.5\;mm$ (using 0.25 micron 4-layers metal CMOS technology).

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HW/SW 협동설계에 기반을 둔 임베디드시스템 (An Embedded Systems based on HW/SW Co-Design)

  • 박춘명
    • 한국정보통신학회:학술대회논문집
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    • 한국해양정보통신학회 2011년도 춘계학술대회
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    • pp.641-642
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    • 2011
  • 본 논문에서는 21세기 정보기술의 중심 중에 한 분야인 하드웨이/소프트웨어 협동설계에 기반을 둔 임베디드시스템 구성에 대해 논의하였다. 이를 위해 본 논문에서는 임베디드시스템의 분류와 그 필요성에 대해 기술하였고, 또한, 임베디드 시스템 구성시에 고려할 사항과 분류에 대해 논의하였다. 그리고 임베디드시스템 모델링에 대해 논의하였다. 제안한 하드웨어/소프트웨어 협동설계에 기반을 둔 임베디드시스템은 최근에 그 중요성이 높아지고 있으며 향 후 많은 분야의 차세대 IT 분야에 접목이 될 것으로 기대된다.

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VMS(Variable Message Signboard)의 서브 컨트롤부 설계 (Design of Sub Control Part for VMS(Variable Message Signboard))

  • 신재흥;이상철;문성창
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2004년도 학술대회 논문집 전문대학교육위원
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    • pp.80-83
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    • 2004
  • Previously, in order to send information from the local controller to the display board, the hardware or software had to be handled and run through 3-phases, which include the PC-card or PC-add Board, I-F card and Sub board. This study will attempt to design a board that handles information by connecting the USB port of the PC directly to the Sub board. In addition, an MPU will be attached to the previously complex hardware circuit to design a software drive engine module, which allows for the development of new products by modifying only the software engine and not the hardware.

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가변형 교통 표지판의 서브 컨트롤부 구현 (Implementation of Sub Control Part for Variable Message Signboard)

  • 신재홍;김홍렬;이상기
    • 전기학회논문지P
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    • 제53권1호
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    • pp.7-13
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    • 2004
  • Previously, in order to send information from the local controller to the display board, the hardware or software had to be handled and run through 3-phases, which include the PC-card or PC-add Board, I/F card and Sub board. This study will attempt to design a board that handles information by connecting the USB port of the PC directly to the Sub board. In addition, an MPU will be attached to the previously complex hardware circuit to design a software drive engine module, which allows for the development of new products by modifying only the software engine and not the hardware.

In-Circuit 시스템 온 칩 검증 방법과 디버깅 환경 (In-Circuit System-on-Chip Verification and Debugging Environment)

  • Lee, Jae-Gon;Ando Ki;Kyung, Chong-Min
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2003년도 하계종합학술대회 논문집 II
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    • pp.1007-1010
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    • 2003
  • This paper presents in-circuit system-on-chip verification and debugging environment. To maximize the emulation speed, the software part is compiled natively for the host computer and the hardware part is mapped into FPGA. The two parts communicate with each other in transaction level. The operation of the hardware part and the software part is recorded independently during the emulation, and after the emulation is over, they are merged in a waveform to give user a unified view that covers both hardware and software.

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A Performance Analysis of Virtualization using Docker for Radar Signal Processing

  • Ji, Jong-Hoon;Moon, Hyun-Wook;Sohn, Sung-Hwan;Hong, Sung-Min;Kwon, Se-Woong;Kang, Yeon-Duk
    • International journal of advanced smart convergence
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    • 제9권2호
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    • pp.114-122
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    • 2020
  • When replacing hardware due to obsolescence, discontinuation, and expansion of software-equipped electronic equipment, software changes are required in the past, but if virtualization technology is applied, it can be applied without software changes. In this regard, we studied in order to apply virtualization technology in the development of naval multi-function radar signal processing, we studied hardware and OS independency for Docker and performance comparison between Docker and virtual machine. As a result, it was confirmed that hardware and OS independence exist when using Docker and that high-speed processing is possible compared to the virtual machine.

모바일 시스템의 MDDI 프로토콜 구현 (MDDI protocol implementation of Mobile system)

  • 반태학;이병권;주강;조휘경;정회경
    • 한국정보통신학회:학술대회논문집
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    • 한국정보통신학회 2012년도 추계학술대회
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    • pp.689-691
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    • 2012
  • 본 논문에서는 디스플레이장치에 필요한 MDDI 프로토콜 패킷생성방법을 소프트웨어로 구현하는 것을 제안한다. 이 논문에서는 최소한의 하드웨어 구성을 가지며, 소프트웨어를 이용하여 MDDI 프로토콜 패킷을 생성한다. 이것의 구현을 위해 고속 마이크로프로세와 FPGA로 하드웨어를 설계하였다. 소프트웨어로 생성한 패킷은 FPGA를 통해 LVDS 신호로 변환되어 출력된다.

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