• 제목/요약/키워드: Communication Integration

Search Result 1,209, Processing Time 0.026 seconds

A Comparison with SNR Performance of Coherent Integration and Non-coherent Integration to Estimate Target Detection Range in Radar System (레이더 시스템에서 목표물 탐지 거리 추정을 위한 코히런트 집적과 비 코히런트 집적의 SNR 성능 비교)

  • Ga, Gwan-U;Ham, Sung-Min;Lee, Kwan-Hyeong
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
    • /
    • v.7 no.2
    • /
    • pp.86-91
    • /
    • 2014
  • This paper compare with SNR performance of coherent integration and non-coherent integration in radar system. This paper to prevent distortion of transmit signal and radar return in radar system is used to pulsed waveform. This paper to estimate target detection range and to compare with SNR performance used to coherent integration performed before the envelope detector and non-coherent integration processed after the envelope detector. Through simulation, SNR performance of coherent integration and non-coherent integration were comparatively analyzed. SNR performance of coherent integration is good proof higher than non-coherent integration.

A Comparison on Coherent Integration and Non-coherent Integration to Estimate Detection Range about Radar Cross Section in Radar System (레이더 시스템에서 레이더 단면적에 따른 탐지 거리 추정을 위한 코히런트 집적과 비 코히런트 집적에 대한 비교)

  • Ham, Sung-min;Ga, Gwan-u;Lee, Kwan-hyeong
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
    • /
    • v.7 no.2
    • /
    • pp.100-105
    • /
    • 2014
  • This paper comparatively analyze to integration case to have a influence detection range estimation about radar cross section in radar system. This paper estimate detection range used to probability of detection in radar equation that used to swerling case 1 in case of radar cross section is small and used to swerling case 3 in case of radar cross section is large. Through simulation, coherent integration and non-coherent integration about swerling case difference were comparatively analyzed. Through simulation, non-coherent integration case is outstanding detection range and we known that coherent integration don't suitable for detection range estimation.

Mental Image Expression by Media Integration ~COMICS (Computer Organized Media Integration & Communication System)

  • Inoue, Seiki
    • Proceedings of the Korean Society of Broadcast Engineers Conference
    • /
    • 1996.06b
    • /
    • pp.122-127
    • /
    • 1996
  • We introduce the outline of our research plans concerning mental image expression for the purpose of communication. We are studying the Computer Organized Media Integration & Communication System (COMICS)as a flexible media handling environment. The system can expand the potential of mental image expression by freely handling and integrating various kinds of media. An experimental COMICS is also introduced.

  • PDF

A Study on Target Direction and Rage Estimation using Radar Single Pulse (레이더 단일 펄스를 이용한 목표물 방향과 거리 추정에 대한 연구)

  • Lee, Kwan-Hyeong
    • The Journal of the Institute of Internet, Broadcasting and Communication
    • /
    • v.14 no.6
    • /
    • pp.107-112
    • /
    • 2014
  • In this paper, we analysed a performance signal to noise ratio about pulse, integration coherent, and integration non coherent system in radar system. It compared existing with proposal method in order to estimation two target direction of arrival. Generally, radar system radiate pulse wave in order to decreasing distortion of return wave and transmission wave. We analysed the performance integration coherent and integration non coherent. Integration coherent is processing system before doing envelop detection, and integration non coherent is processing system after doing envelop detection. Through simulation, we analysed a performance signal to noise ratio to estimation two target range detection and estimated target direction of arrival. We showed that integration coherent system is the most good performance.

A Study on Integration Scheme of Wireless Communications in Railway Wireless Network (철도 무선통신망 연동 방안 연구)

  • Cho, Woong;Choi, Hyun-Kyun;Cho, Han-Byeog
    • The Journal of the Korea institute of electronic communication sciences
    • /
    • v.10 no.6
    • /
    • pp.659-664
    • /
    • 2015
  • The current railway wireless network uses various communication scheme depending on the section of railway. Therefore, in the train, it is required a specific communication device for the corresponding communication scheme to communicate and exchange data with the control center. To enhance data rate and support various services, LTE-R scheme has been developed for the next generation railway communications. To use both the existing communication and LTE-R schemes, it is required an integration method for encompassing all communication schemes. In this paper, we overview existing railway communications and LTE-R scheme. Then, we develop a network integration method which can be applied by using one terminal in the train. In addition, implementation issues for the integration are also considered.

On Analysis Performance for Target Rage Detection Estimation of Radar Cross Section using Swerling Case (스웰링 경우를 이용한 레이더 단면적의 목표물 탐지 거리 추정 성능 분석)

  • Lee, Kwan-Hyeong
    • The Journal of the Institute of Internet, Broadcasting and Communication
    • /
    • v.14 no.6
    • /
    • pp.113-117
    • /
    • 2014
  • This paper comparatively analyze to integration case to have a influence detection range estimation about radar cross section in radar system. This paper estimate detection range used to probability of detection in radar equation that used to swerling case 1 in case of radar cross section is small and used to swerling case 3 in case of radar cross section is large. Through simulation, coherent integration and non-coherent integration about swerling case difference were comparatively analyzed. In the result of comparative analysis, non-coherent integration case is outstanding detection range and we known that coherent integration don't suitable for detection range estimation.

Bridging the Age-Related Communication Gap: An Encounter Between Senior Citizens and Communication Students Towards Social Integration

  • Bantugan, Brian Saludes;Bantugan, Fe C.;Urbano, Ricardo C.
    • Asian Journal for Public Opinion Research
    • /
    • v.5 no.2
    • /
    • pp.84-103
    • /
    • 2018
  • This paper is built upon an attempt to answer the question: "What can be done to facilitate social integration between the elderly of Bagac, Bataan and the communication students of St. Paul University Manila?" The research was designed as a qualitative inquiry that involved an outreach activity by 24 dominantly female students of Development Communication to the senior citizens of Bagac, Bataan (Philippines) and a reflection period involving the students. The students were tasked to pay special attention to the digital engagements and/or disengagements of the elderly to allow them to learn more about the difficulties and potential of using social media in development-related projects involving senior citizens. The actual two-hour encounter involved socialization between the elderly and the students. The students, prior to the encounter, were tasked to generate the funds, use them to acquire and prepare the gifts, develop the program during the actual encounter based on research-based guidelines, and photo document the entire activity. They were given guide questions for reflections a week after. The reflections were thematically analyzed and revealed that in order to facilitate greater social integration between the elderly and the communication students. The university should address the health and digital aversion issues that intensify the sense of isolation of the elderly experience daily. This can be done by enhancing the communication skills of the communication students in 16 areas.

Critical Factors in the Integration of Information and Communication Technologies in Early Childhood Education in Kenya : A Case of Nairobi County

  • Begi, Nyakwara
    • Journal of Information Technology Applications and Management
    • /
    • v.21 no.3
    • /
    • pp.79-96
    • /
    • 2014
  • In Kenya during the last one decade, public and private sectors have invested a lot of resources in computer based Information and Communication Technologies (ICT) to improve the quality of education in schools. The main objective has been to integrate ICT in the delivery of curriculum in order to improve the quality of teaching-learning and to produce ICT literate workforce. The computer based technologies are used in management, pedagogy, and communication. This paper presents results from a study that was conducted in Nairobi County in Kenya to determine the key factors in the integration of computer based ICT in teaching-learning in pre-primary and lower primary schools. Results had revealed that the use of computer based ICT in teaching-learning by both pre-primary and lower primary schools was influenced by accessibility of resources, capacity to use the technology, availability of time, and provision of technical support.

A study on the Integration of Intelligent Robot Workcell using Real Time Communication (실시간 통신을 사용한 Intelligent Robot Workcell의 구성에 관한 연구)

  • Kim, Dong-Jun;Kim, Kab-Il;Jang, Hyuk-Soo;Lee, Byung-Do
    • Proceedings of the KIEE Conference
    • /
    • 1993.07a
    • /
    • pp.406-409
    • /
    • 1993
  • Integration of intelligent robot workcell is now a hot issue in CIM and robotics area. This paper dealt with relatively low level essential topics. i. e., multi-robot coordination and real-time communication for the integration of intelligent robot workcell. For the coordination of multi-robot system, the tightly-coupled coordination is proposed using the various sensors. In order to handle the numerous communication data, time-critical communication network (field-bus) is introduced and investigated. Finally, intelligent robot workcell is suggested using the mini-MAP and field-bus.

  • PDF

A study of Integrated Management Center of u-City (u-City의 도시통합운영센터 구축 연구)

  • Yoo, Jae-Duck;Park, Hong-Tae;Shin, Hyun-Sik
    • The Journal of the Korea institute of electronic communication sciences
    • /
    • v.2 no.3
    • /
    • pp.191-198
    • /
    • 2007
  • It needs an Integration Management Center in u-City to mange all events for an efficiency of city function, to enhance an installed infrastructure of information, and to provide u-Service like residence, administration, and culture in real time. Integration Management Center is a place to provide a city information from gathering data of communication network, traffic network, and facilities. The u-Services in Integration Management Center need an Integrated Platform to integrate verticality and horizontality between service layer. This paper study an infrastructure of Integration Operation Center and Integrated Platform. Lastly the topics are suggested how to make it a success in u-City.

  • PDF