11 권건섭.hwp

Size: px
Start display at page:

Download "11 권건섭.hwp"

Transcription

1 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 25(2, ISSN (Print ISSN X (Online 20 GHz Analysis of Channel Characteristics at Around 20 GHz for Satellite On-The-Move Terminal 권건섭 허종완 황기민 임철민 유흥균 Kun-Sup Kwon Jong-Wan Heo Ki-Min Hwang Chul-Min Lim Heung-Gyoon Ryu* 요약 OTM(On-The-Move: GHz,. Markov, ACD(Average Connection Duration, AFD(Average Fade Duration, LCR(Level Crossing Rate,. Abstract This paper describes the analysis results of channel characteristics in the operating area of satellite OTM(On-The-Move terminal. The communication channel between the Koreasat-5 and OTM terminal on a test car is measured and recorded from Daejeon to Daecheon, using the downlink frequency of around 20 GHz. And the measurement data are divided into two classes ; highway environment and national road environment, and then are statistically analyzed. The statistical evaluation of satellite channel is conducted by using probability density function and Markov model and then presents average connection duration(acd, average fade duration(afd, and level crossing rate(lcr of highway environment and national road environment. Finally the statistics data of the two environments are compared with each other. Key words: Satellite Communication Channel, On-The-Move, Average Connection Duration, Average Fade Duration, Level Cross- ing Rate. 서론 OTM,.,., L, S, X, Ku, K, Ka. (Agency for Defense Development * (Department of Electronic Engineering, Chungbuk National University Manuscript received October 8, 2013 ; Revised November 25, 2013 ; Accepted December 1, (ID No Corresponding Author: Kun-Sup Kwon ( kevin.kwon@add.re.kr c Copyright The Korean Institute of Electromagnetic Engineering and Science. All Rights Reserved. 223

2 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 25, no. 2, Feb OTM., (shadowing (blockage,.,,. Ka OTM [1]. OTM (urban, (open or rural, (highway [1] [7].,,,. OTM,. OTM (blockage. [1] [7]., Markov. Gilbert Markov [8],.. 20 GHz.. 채널측정방법및조건 2-1 시험개요 그림 1. Fig. 1. The pictures of a test car with OTM terminal. 표 1. OTM [13] Table 1. The main specifications of OTM terminal [13]. : GHz : GHz : 1.2 : km/h 0.15 rms Ka OTM, 20 GHz. Ka OTM,, RF,. OTM 1 1. OTM 5. SNR 500 Hz, (SNR 40 db

3 20 GHz 그림 2. OTM Fig. 2. Block diagram of receiving path in OTM terminal. 그림 4. Fig. 4. Receiving antenna pattern of OTM terminal.,, , 2., 그림 3. Fig. 3. Routing path for measurement. 표 2. Table 2. Description of routing path. IC IC 42.8 km IC 56.7 km :,, 2, 100 Hz. 2-2 채널에영향을주는요소 OTM,,. OTM 0.15 rms , ±0.8 deg Fitting. ( 0.15 rms 99.7 % 1.3 db. 1.3 db (threshold. LOS (Line of Sight 1.3 db...., 225

4 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 25, no. 2, Feb 그림 5. ( Fig. 5. Signal power variation vs distance(highway env.. 그림 6. ( Fig. 6. Signal power variation vs distance(national road env.. [6] , 1 m. (shadowing db,. 6,.,,, 4 5 db.. 통계적분석및결과 [1] [6]. 3, (probability density models, (discrete models, 2 (second order statistics: Average Fade Duration, Average Connection Duration, Level Crossing Rate. 그림 7. ( Fig. 7. Data description for terminology(national road env.. 226

5 20 GHz [2]. 2., 6 9,700 m 수신신호세기에대한확률밀도모델 (single model (mixture model.,., [9] [11]. OTM LOS, [3]. 20 GHz LOS. LOS, (Ricean non-central chi-square., (1, S, K (direct-to-multipath signal power ratio; rice factor, 1 0 (modified zero-order Bessel function of the first kind. (1 LOS 1,., LOS - - (lognormal [10]., (Rayleigh central chi- square., (2.. (3., ln exp log (3,, (blockage [10],[11]. OTM LOS [3]., (4.,. 8 9, curve fitting. 3., 16 [1],[2]. 3,,. 227

6 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 25, no. 2, Feb 그림 8. ( Fig. 8. Probability density of receiving signal power(national road env.. 그림 10. complementary CDF Fig. 10. Complementary CDFs for received signal power in two test environment(national road and highway.. 10 ( 5 db 1.1 %, 1.3 db. 1.3 db LOS., 10 OTM. 95 % 2.8 db. 그림 9. ( Fig. 9. Probability density of receiving signal power(highway env.. 표 3. Table 3. Probability density model parameters db db db CC- DF(Complementary Cumulative Distribution Function 3-2 이산모델 - Markov 모델, curve fitting, (second order statistics. OTM Markov [1] [6], Gilbert [8], Gilbert, Markov 228

7 20 GHz (5, (6 Complementary CDF. P r P r (10 그림 11. Two-state Markov Fig. 11. Two-state Markov model.. Markov (state (threshold Good, Bad, 11 p gb, p bg. Good Good p gg, Bad p gb,.. Good D g, Bad D b [6]. P r P r (5 (6 Good ACD(Average Connection Duration Bad AFD(Average Fade Duration. (5 (6 P r P r (11 (Random Variable.,, (threshold Connection duration Fade duration CCDF. fitting ( : 6.5 db, : 4.5 db. Connection duration Fade duration ACD ( : m, : m, AFD( : 21.3 m, : 10.1 m, (7, (8,., (10, ( (7 (8 [6]. (9 그림 12. Connection duration CCDF( Fig. 12. CCDF of connection duration(national road env.. 229

8 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 25, no. 2, Feb 그림 13. Fade duration CCDF( Fig. 13. CCDF of fade duration(national road env.. 그림 16. (Lutz [2] Fig. 16. Satellite channel simulator(lutz model [2] Lutz [2]. Markov e(t. (12 그림 14. Connection duration CCDF( Fig. 14. CCDF of connection duration(highway env.., (White Gaussian noise 차통계량 (Second Order Statistics 그림 15. Fade duration CCDF( Fig. 15. CCDF of fade duration(highway env.. 3-1,. OTM 2 Fade duration, Connection duration, LCR(Level Crossing Rate, 3-2,.,,,, 230

9 20 GHz 그림 17. connection duration CCDF (, threshold= 3, 5, 10 db Fig. 17. CCDFs of connection duration vs threshold(national road env., threshold= 3, 5, 10 db. 그림 19. fade duration CCDF(, threshold= 3, 5, 10 Fig. 19. CCDFs of fade duration vs threshold(national road env., threshold= 3, 5, 10 db. 그림 18. connection duration CCDF (, threshold= 3, 5, 10 db Fig. 18. CCDFs of connection duration vs threshold(highway env., threshold= 3, 5, 10 db db, 5 db, 10 db Connection duration Fade duration CCDF. Connection duration, Fade duration., Connection duration, Fade duration 그림 20. fade duration CCDF(, threshold= 3, 5, 10 db Fig. 20. CCDFs of fade duration vs threshold(highway env., threshold= 3, 5, 10 db.., connection duration, fade duration ACD, AFD ACD, AFD. ACD AFD 231

10 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 25, no. 2, Feb 그림 21. ACD Fig. 21. Comparison of ACDs as a function of threshold. (LOS , 3 4 db ACD, AFD, (shadow edge: 7., db., 3 db (blockage:, ACD AFD. LCR, 7. LCR AFD, [12]. Pr 그림 22. AFD Fig. 22. Comparison of AFDs as a function of threshold.,, [6] ACD AFD ( (blockage ACD AFD. ACD, AFD ACD. 그림 23. LCR Fig. 23. Comparison of LCRs as a function of threshold. 232

11 20 GHz, LCR. LCR. 23 LCR.., 3 4 db ACD, AFD LCR.. 결론 OTM 100 Hz,.,., connection duration fade duration CCDF, ACD, AFD, LCR. ACD AFD, LCR. OTM. 3.,,...,.. References [1] J. B. Schodorf, "EHF satellite communications on the move: Baseband considerations", MIT Lincoln Lab. Technical Report TR-1055, Feb [2] E. Lutz., "Land mobile satellite channel - recording and modeling", Proceedings of the 4th International Conference on Satellite Systems for Mobile Communications and Navigation, London, pp , Oct [3] E. Lutz, D. Cygan, M. Dippold, F. Dolainsky, and W. Papke, "The land mobile satellite communication channel-recording, statistics, and channel model", IEEE Trans. Vehicular Tech., vol. 40, no. 2, pp , [4] M. Rice, et al., "K-band land-mobile satellite characterization using ACTS", Intl. J. Sat. Comm., pp , Jan [5] R. K. Crane, A. W. Dissanayake, "ACTS propagation experiment: Attenuation distribution observations and prediction model comparisons", Proceedings of the IEEE, vol. 85, no. 6, p. 891, Jun [6] J. B. Schodorf, "EHF satellite communications on the move: Experimental results", MIT Lincoln Lab. Technical Report TR-1087, Aug [7] W. M. Smith, "Channel characterization for EHF satellite communications on the move", MIT Lincoln Lab. Technical Report TR-1109, Jul [8] E. N. Gilbert, "Capacity of a burst-noise channel", Bell System Technical Journal, pp , Sep [9] C. Loo, "A statistical model for land mobile satellite link", IEEE Trans. Vehicular Tech., vol. 34. no. 3, pp , Aug [10] H. Suzuki, "A statistical model for urban radio propagation", IEEE Trans. Vehicular Tech., vol. Com-25. no. 7, pp , Jul [11] Perez F. Fontan, Marino P. Espineira, Modeling the Wireless Propagation Channel A Simulation Approach with MATLAB, Wiley, [12] G. E. Corazzo, F. Vatalaro, "A statistical model for land 233

12 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 25, no. 2, Feb mobile satellite channels and its application to nongeostationary orbit system", IEEE Trans. Vehicular Tech., pp , Aug 권건 섭 년 월 한양대학교 전파공학과 (공학 사 년 월 한양대학교 전파공학과 (공학 석사 년 현재 국방과학연구소 연구원 년 현재 충북대학교 전자공학과 박 사과정 [주 관심분야] 위성통신 시스템, 안테나/RF 설계 : : 2006 : 2012 : 허종 완 년 월 충남대학교 전자공학과 (공학 사 년 월 충남대학교 전자공학과 (공학 석사 년 월 현재: 국방과학연구소 연구원 위성통신 시스템 : : [주 관심분야] 황기 민 년 월 경북대학교 전자공학과 (공학 사 년 월 경북대학교 전자공학과 (공학 석사 년 월 현재: 국방과학연구소 연구 원 [주 관심분야] 위성통신 시스템, 협력통신 : : [13] 허종완, "차량용 OTM 단말(탐색개발 상세설계 보고 서", 국방과학연구소, ADDR , 2013년. 임철 민 년 월 한양대학교 전자통신공학과 공학사 년 월 한양대학교 전자통신공학과 공학석사 년 현재 국방과학연구소 연구원 위성통신 시스템 : ( : ( 1988 : [주 관심분야] 유흥 균 년 현재: 충북대학교 전자공학과 교 수 2002년 3월 2004년 2월: 충북대학교 컴퓨 터정보통신연구소 소장 1996년 현재: IEEE, IET 논문 심사위원 2002년: 한국전자파학회 학술상 수상 2008년: ICWMC 2008 국제학술대회 "Best Paper Award" 수상 2009년: SPACOMM 2009 국제학술대회 "Best Paper Award" 수상 [주 관심분야] 무선통신시스템, B4G/5G 이동통신 시스템, 위성 통신, 통신회로 설계 및 통신 신호 처리 1988

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 26(11),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 26(11), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Nov.; 26(11), 985991. http://dx.doi.org/10.5515/kjkiees.2015.26.11.985 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Analysis

More information

04 최진규.hwp

04 최진규.hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Aug.; 26(8), 710717. http://dx.doi.org/10.5515/kjkiees.2015.26.8.710 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) RF ESPAR

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jun.; 27(6),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jun.; 27(6), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Jun.; 276), 504511. http://dx.doi.org/10.5515/kjkiees.2016.27.6.504 ISSN 1226-3133 Print)ISSN 2288-226X Online) Near-Field

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jun.; 27(6),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jun.; 27(6), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Jun.; 27(6), 495 503. http://dx.doi.org/10.5515/kjkiees.2016.27.6.495 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Design

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 10, Oct ,,. 0.5 %.., cm mm FR4 (ε r =4.4)

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 10, Oct ,,. 0.5 %.., cm mm FR4 (ε r =4.4) THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2018 Oct.; 29(10), 799 804. http://dx.doi.org/10.5515/kjkiees.2018.29.10.799 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Method

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 28(11),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 28(11), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2017 Nov.; 28(11), 837 842. http://dx.doi.org/10.5515/kjkiees.2017.28.11.837 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) 8PSK-TCM

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 6, Jun Rate). STAP(Space-Time Adaptive Processing)., -

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 6, Jun Rate). STAP(Space-Time Adaptive Processing)., - THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2018 Jun.; 29(6), 457463. http://dx.doi.org/10.5515/kjkiees.2018.29.6.457 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Sigma-Delta

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 27(12),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 27(12), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Dec.; 27(12), 1036 1043. http://dx.doi.org/10.5515/kjkiees.2016.27.12.1036 ISSN 1226-3133 (Print) ISSN 2288-226X (Online)

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 29(2), IS

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 29(2), IS THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2018 Feb.; 29(2), 93 98. http://dx.doi.org/10.5515/kjkiees.2018.29.2.93 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) UHF-HF

More information

04 김영규.hwp

04 김영규.hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 214 Nov.; 25(11), 1121 1127. http://dx.doi.org/1.5515/kjkiees.214.25.11.1121 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Planar

More information

(JBE Vol. 21, No. 1, January 2016) (Regular Paper) 21 1, (JBE Vol. 21, No. 1, January 2016) ISSN 228

(JBE Vol. 21, No. 1, January 2016) (Regular Paper) 21 1, (JBE Vol. 21, No. 1, January 2016)   ISSN 228 (JBE Vol. 1, No. 1, January 016) (Regular Paper) 1 1, 016 1 (JBE Vol. 1, No. 1, January 016) http://dx.doi.org/10.5909/jbe.016.1.1.60 ISSN 87-9137 (Online) ISSN 16-7953 (Print) a), a) An Efficient Method

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 30(3),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 30(3), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2019 Mar.; 30(3), 223 228. http://dx.doi.org/10.5515/kjkiees.2019.30.3.223 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Analysis

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 28(3),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 28(3), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2017 Mar.; 28(3), 163 169. http://dx.doi.org/10.5515/kjkiees.2017.28.3.163 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) PCB

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jul.; 27(7),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jul.; 27(7), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Jul.; 27(7), 625634. http://dx.doi.org/10.5515/kjkiees.2016.27.7.625 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Near-Field

More information

09권오설_ok.hwp

09권오설_ok.hwp (JBE Vol. 19, No. 5, September 2014) (Regular Paper) 19 5, 2014 9 (JBE Vol. 19, No. 5, September 2014) http://dx.doi.org/10.5909/jbe.2014.19.5.656 ISSN 2287-9137 (Online) ISSN 1226-7953 (Print) a) Reduction

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Sep.; 30(9),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Sep.; 30(9), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2019 Sep.; 30(9), 712 717. http://dx.doi.org/10.5515/kjkiees.2019.30.9.712 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) MOS

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 26(1),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 26(1), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Jan.; 26(1), 113118. http://dx.doi.org/10.5515/kjkiees.2015.26.1.113 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) A Retro-Directive

More information

¼º¿øÁø Ãâ·Â-1

¼º¿øÁø Ãâ·Â-1 Bandwidth Efficiency Analysis for Cooperative Transmission Methods of Downlink Signals using Distributed Antennas In this paper, the performance of cooperative transmission methods for downlink transmission

More information

, V2N(Vehicle to Nomadic Device) [3]., [4],[5]., V2V(Vehicle to Vehicle) V2I (Vehicle to Infrastructure) IEEE 82.11p WAVE (Wireless Access in Vehicula

, V2N(Vehicle to Nomadic Device) [3]., [4],[5]., V2V(Vehicle to Vehicle) V2I (Vehicle to Infrastructure) IEEE 82.11p WAVE (Wireless Access in Vehicula THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 215 Jul.; 26(7), 66 612. http://dx.doi.org/1.5515/kjkiees.215.26.7.66 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Dual-Band

More information

09È«¼®¿µ 5~152s

09È«¼®¿µ5~152s Korean Journal of Remote Sensing, Vol.23, No.2, 2007, pp.45~52 Measurement of Backscattering Coefficients of Rice Canopy Using a Ground Polarimetric Scatterometer System Suk-Young Hong*, Jin-Young Hong**,

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 25(3),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 25(3), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Mar.; 25(3), 304310. http://dx.doi.org/10.5515/kjkiees.2014.25.3.304 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Analysis

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 26(11),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 26(11), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Nov.; 26(11), 978 984. http://dx.doi.org/10.5515/kjkiees.2015.26.11.978 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Transceiver

More information

<35335FBCDBC7D1C1A42DB8E2B8AEBDBAC5CDC0C720C0FCB1E2C0FB20C6AFBCBA20BAD0BCAE2E687770>

<35335FBCDBC7D1C1A42DB8E2B8AEBDBAC5CDC0C720C0FCB1E2C0FB20C6AFBCBA20BAD0BCAE2E687770> Journal of the Korea Academia-Industrial cooperation Society Vol. 15, No. 2 pp. 1051-1058, 2014 http://dx.doi.org/10.5762/kais.2014.15.2.1051 멤리스터의 전기적 특성 분석을 위한 PSPICE 회로 해석 김부강 1, 박호종 2, 박용수 3, 송한정 1*

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE May; 27(5),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE May; 27(5), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 May; 27(5), 454462. http://dx.doi.org/10.5515/kjkiees.2016.27.5.454 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Research

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 26(3),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 26(3), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 215 Mar.; 26(3), 248 256. http://dx.doi.org/1.5515/kjkiees.215.26.3.248 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Metal

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 26, no. 9, Sep GHz 10 W Doherty. [4]. Doherty. Doherty, C

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 26, no. 9, Sep GHz 10 W Doherty. [4]. Doherty. Doherty, C THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Sep.; 26(9), 783 789. http://dx.doi.org/10.5515/kjkiees.2015.26.9.783 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) GaN-HEMT

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 28(2),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 28(2), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2017 Feb.; 28(2), 129138. http://dx.doi.org/10.5515/kjkiees.2017.28.2.129 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) PT- Doppler

More information

04 박영주.hwp

04 박영주.hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 216 Mar.; 27(3), 253 26. http://dx.doi.org/1.5515/kjkiees.216.27.3.253 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) LPDA Design

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jul.; 27(7),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jul.; 27(7), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 16 Jul.; 27(7), 64662. http://dx.doi.org/./kjkiees.16.27.7.646 ISSN 1226-3133 (Print)ISSN 2288-226 (Online) 2D Microwave Image

More information

±è¼ºÃ¶ Ãâ·Â-1

±è¼ºÃ¶ Ãâ·Â-1 Localization Algorithms Using Wireless Communication Systems For efficient Localization Based Services, development of accurate localization algorithm has to be preceded. In this paper, research trend

More information

. 서론,, [1]., PLL.,., SiGe, CMOS SiGe CMOS [2],[3].,,. CMOS,.. 동적주파수분할기동작조건분석 3, Miller injection-locked, static. injection-locked static [4]., 1/n 그림

. 서론,, [1]., PLL.,., SiGe, CMOS SiGe CMOS [2],[3].,,. CMOS,.. 동적주파수분할기동작조건분석 3, Miller injection-locked, static. injection-locked static [4]., 1/n 그림 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Feb.; 27(2), 170175. http://dx.doi.org/10.5515/kjkiees.2016.27.2.170 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Analysis

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 27, no. 8, Aug [3]. ±90,.,,,, 5,,., 0.01, 0.016, 99 %... 선형간섭

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 27, no. 8, Aug [3]. ±90,.,,,, 5,,., 0.01, 0.016, 99 %... 선형간섭 THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Aug.; 27(8), 693700. http://dx.doi.org/10.5515/kjkiees.2016.27.8.693 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Design

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 26(1), IS

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 26(1), IS THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Jan.; 26(1), 54 62. http://dx.doi.org/10.5515/kjkiees.2015.26.1.54 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Design

More information

RRH Class-J 5G [2].,. LTE 3G [3]. RRH, W-CDMA(Wideband Code Division Multiple Access), 3G, LTE. RRH RF, RF. 1 RRH, CPRI(Common Public Radio Interface)

RRH Class-J 5G [2].,. LTE 3G [3]. RRH, W-CDMA(Wideband Code Division Multiple Access), 3G, LTE. RRH RF, RF. 1 RRH, CPRI(Common Public Radio Interface) THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Mar.; 26(3), 276 282. http://dx.doi.org/10.5515/kjkiees.2015.26.3.276 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) RRH

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Sep.; 26(10),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Sep.; 26(10), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Sep.; 26(10), 907 913. http://dx.doi.org/10.5515/kjkiees.2015.26.10.907 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Prediction

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 26(12),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 26(12), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Dec.; 26(12), 1100 1107. http://dx.doi.org/10.5515/kjkiees.2015.26.12.1100 ISSN 1226-3133 (Print) ISSN 2288-226X (Online)

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Oct.; 27(10),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Oct.; 27(10), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Oct.; 27(10), 935 940. http://dx.doi.org/10.5515/kjkiees.2016.27.10.935 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Directed

More information

05 목차(페이지 1,2).hwp

05 목차(페이지 1,2).hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Oct.; 25(10), 10771086. http://dx.doi.org/10.5515/kjkiees.2014.25.10.1077 ISSN 1226-3133 (Print)ISSN 2288-226X (Online)

More information

03 장태헌.hwp

03 장태헌.hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2013 Aug.; 24(8), 772 780. http://dx.doi.org/10.5515/kjkiees.2013.24.8.772 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) HEMP

More information

05 목차(페이지 1,2).hwp

05 목차(페이지 1,2).hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Apr.; 25(4), 418 425. http://dx.doi.org/10.5515/kjkiees.2014.25.4.418 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Doppler

More information

광덕산 레이더 자료를 이용한 강원중북부 내륙지방의 강수특성 연구

광덕산 레이더 자료를 이용한 강원중북부 내륙지방의 강수특성 연구 Study on the characteristic of heavy rainfall in the middle northern Gangwon Province by using Gwangdeoksan radar data 2004. 12. 10. Fig. 2.2.1 Measurement range of Gwangdeoksan radar site Fig. 2.2.2

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 25(1), IS

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 25(1), IS THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Jan.; 25(1), 47 52. http://dx.doi.org/10.5515/kjkiees.2014.25.1.47 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Circuit

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 25(12),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 25(12), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Dec.; 25(12), 12751283. http://dx.doi.org/10.5515/kjkiees.2014.25.12.1275 ISSN 1226-3133 (Print)ISSN 2288-226X (Online)

More information

11 함범철.hwp

11 함범철.hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2012 Aug.; 23(8), 958 966. http://dx.doi.org/10.5515/kjkiees.2012.23.8.958 ISSN 1226-3133 (Print) LTCC Bluetooth/WiFi A Bluetooth/WiFi

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Oct.; 27(10),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Oct.; 27(10), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Oct.; 27(10), 926 934. http://dx.doi.org/10.5515/kjkiees.2016.27.10.926 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Multi-Function

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 26, no. 3, Mar (NFC: non-foster Circuit).,. (non-foster match

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 26, no. 3, Mar (NFC: non-foster Circuit).,. (non-foster match THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Mar.; 26(3), 283 291. http://dx.doi.org/10.5515/kjkiees.2015.26.3.283 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Negative

More information

인문사회과학기술융합학회

인문사회과학기술융합학회 Vol.5, No.5, October (2015), pp.471-479 http://dx.doi.org/10.14257/ajmahs.2015.10.50 스마트온실을 위한 가상 외부기상측정시스템 개발 한새론 1), 이재수 2), 홍영기 3), 김국환 4), 김성기 5), 김상철 6) Development of Virtual Ambient Weather Measurement

More information

Microsoft Word - 1-차우창.doc

Microsoft Word - 1-차우창.doc Journal of the Ergonomics Society of Korea Vol. 28, No. 2 pp.1-8, May 2009 1 하이브리드 환경하의 인간기계시스템 제어실 평가에 관한 연구 차 우 창 김 남 철 금오공과대학교 산업시스템공학과 A Study of the Evaluation for the Control Room in Human Machine

More information

<C7A5C1F620BEE7BDC4>

<C7A5C1F620BEE7BDC4> 연세대학교 상경대학 경제연구소 Economic Research Institute Yonsei Universit 서울시 서대문구 연세로 50 50 Yonsei-ro, Seodaemun-gS gu, Seoul, Korea TEL: (+82-2) 2123-4065 FAX: (+82- -2) 364-9149 E-mail: yeri4065@yonsei.ac. kr http://yeri.yonsei.ac.kr/new

More information

DBPIA-NURIMEDIA

DBPIA-NURIMEDIA 한국소음진동공학회 2015추계학술대회논문집년 Study of Noise Pattern and Psycho-acoustics Characteristic of Household Refrigerator * * ** ** Kyung-Soo Kong, Dae-Sik Shin, Weui-Bong Jeong, Tae-Hoon Kim and Se-Jin Ahn Key Words

More information

10(3)-09.fm

10(3)-09.fm w y wz 10«3y 253~258 (2010.12.) Journal of Korean Society of Urban Environment ³ w Á» Á Á y w y œw (2010 11 22, 2010 12 9 k) Study on Determine of Detention Pond in Small Developed Area In-Soo Chang ½

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 10, Oct , EBG. [4],[5],. double split ring resonator (D

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. vol. 29, no. 10, Oct , EBG. [4],[5],. double split ring resonator (D THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2018 Oct.; 29(10), 739 744. http://dx.doi.org/10.5515/kjkiees.2018.29.10.739 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) DSRR

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Sep.; 26(10),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Sep.; 26(10), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Sep.; 26(10), 876 884. http://dx.doi.org/10.5515/kjkiees.2015.26.10.876 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Design

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 29(3),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Mar.; 29(3), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2018 Mar.; 29(3), 233240. http://dx.doi.org/10.5515/kjkiees.2018.29.3.233 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) RCS Comparative

More information

°í¼®ÁÖ Ãâ·Â

°í¼®ÁÖ Ãâ·Â Performance Optimization of SCTP in Wireless Internet Environments The existing works on Stream Control Transmission Protocol (SCTP) was focused on the fixed network environment. However, the number of

More information

<31372DB9DABAB4C8A32E687770>

<31372DB9DABAB4C8A32E687770> 김경환 박병호 충북대학교 도시공학과 (2010. 5. 27. 접수 / 2011. 11. 23. 채택) Developing the Traffic Severity by Type Kyung-Hwan Kim Byung Ho Park Department of Urban Engineering, Chungbuk National University (Received May

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Aug.; 30(8),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Aug.; 30(8), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2019 Aug.; 30(8), 629639. http://dx.doi.org/10.5515/kjkiees.2019.30.8.629 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Analysis

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 26(12),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Dec.; 26(12), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Dec.; 26(12), 1044 1049. http://dx.doi.org/10.5515/kjkiees.2015.26.12.1044 ISSN 1226-3133 (Print) ISSN 2288-226X (Online)

More information

Microsoft Word - KSR2015S030

Microsoft Word - KSR2015S030 2015 년도한국철도학회춘계학술대회논문집 KSR2015S030 고속철도를위한 LTE 무선통신에서도플러효과분석 Analysis of Doppler Effect on LTE Wireless Communication for High-Speed Railway 최진규 *, 조한벽 *, 오현서 *, 유일선 **, 유흥균 *** Jin-Kyu Choi *, Hanbyeog

More information

???? 1

???? 1 The Korean Journal of Applied Statistics (2014) 27(1), 13 20 DOI: http://dx.doi.org/10.5351/kjas.2014.27.1.013 Maximum Tolerated Dose Estimation by Stopping Rule and SM3 Design in a Phase I Clinical Trial

More information

(Exposure) Exposure (Exposure Assesment) EMF Unknown to mechanism Health Effect (Effect) Unknown to mechanism Behavior pattern (Micro- Environment) Re

(Exposure) Exposure (Exposure Assesment) EMF Unknown to mechanism Health Effect (Effect) Unknown to mechanism Behavior pattern (Micro- Environment) Re EMF Health Effect 2003 10 20 21-29 2-10 - - ( ) area spot measurement - - 1 (Exposure) Exposure (Exposure Assesment) EMF Unknown to mechanism Health Effect (Effect) Unknown to mechanism Behavior pattern

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Aug.; 27(8),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Aug.; 27(8), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2016 Aug.; 27(8), 709 716. http://dx.doi.org/10.5515/kjkiees.2016.27.8.709 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Development

More information

08김현휘_ok.hwp

08김현휘_ok.hwp (Regular Paper) 21 3, 2016 5 (JBE Vol. 21, No. 3, May 2016) http://dx.doi.org/10.5909/jbe.2016.21.3.369 ISSN 2287-9137 (Online) ISSN 1226-7953 (Print) a), a) An Audio Coding Technique Employing the Inter-channel

More information

8-VSB (Vestigial Sideband Modulation)., (Carrier Phase Offset, CPO) (Timing Frequency Offset),. VSB, 8-PAM(pulse amplitude modulation,, ) DC 1.25V, [2

8-VSB (Vestigial Sideband Modulation)., (Carrier Phase Offset, CPO) (Timing Frequency Offset),. VSB, 8-PAM(pulse amplitude modulation,, ) DC 1.25V, [2 VSB a), a) An Alternative Carrier Phase Independent Symbol Timing Offset Estimation Methods for VSB Receivers Sung Soo Shin a) and Joon Tae Kim a) VSB. VSB.,,., VSB,. Abstract In this paper, we propose

More information

<313920C0CCB1E2BFF82E687770>

<313920C0CCB1E2BFF82E687770> 韓 國 電 磁 波 學 會 論 文 誌 第 19 卷 第 8 號 2008 年 8 月 論 文 2008-19-8-19 K 대역 브릭형 능동 송수신 모듈의 설계 및 제작 A Design and Fabrication of the Brick Transmit/Receive Module for K Band 이 기 원 문 주 영 윤 상 원 Ki-Won Lee Ju-Young Moon

More information

04김호걸(39~50)ok

04김호걸(39~50)ok Journal of Environmental Impact Assessment, Vol. 22, No. 1(2013) pp.39~50 Prediction of Landslides Occurrence Probability under Climate Change using MaxEnt Model Kim, Hogul* Lee, Dong-Kun** Mo, Yongwon*

More information

03-서연옥.hwp

03-서연옥.hwp 농업생명과학연구 49(4) pp.31-37 Journal of Agriculture & Life Science 49(4) pp.31-37 Print ISSN 1598-5504 Online ISSN 2383-8272 http://dx.doi.org/10.14397/jals.2015.49.4.31 국가산림자원조사 자료를 적용한 충남지역 사유림경영율 추정 서연옥

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 25(11),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Nov.; 25(11), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Nov.; 25(11), 11351141. http://dx.doi.org/10.5515/kjkiees.2014.25.11.1135 ISSN 1226-3133 (Print)ISSN 2288-226X (Online)

More information

책임연구기관

책임연구기관 2009. 2. 책임연구기관 - i - - ii - - iii - - iv - 6.3.1 Sample Collection and Analysis 161 6.3.1.1 Sample Collection 161 6.3.1.2 Sample Analysis 161 6.3.2 Results 162 6.3.2.1 Dalian 162 6.3.2.2 Xiamen 163 6.3.3

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 27(1), ISSN

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Jan.; 27(1), ISSN THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 216 Jan.; 27(1), 17. http://dx.doi.org/1.5515/kjkiees.216.27.1.1 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) Switch 1.5 GHz

More information

DBPIA-NURIMEDIA

DBPIA-NURIMEDIA 논문 10-35-03-03 한국통신학회논문지 '10-03 Vol. 35 No. 3 원활한 채널 변경을 지원하는 효율적인 IPTV 채널 관리 알고리즘 준회원 주 현 철*, 정회원 송 황 준* Effective IPTV Channel Control Algorithm Supporting Smooth Channel Zapping HyunChul Joo* Associate

More information

Journal of Educational Innovation Research 2018, Vol. 28, No. 1, pp DOI: A study on Characte

Journal of Educational Innovation Research 2018, Vol. 28, No. 1, pp DOI:   A study on Characte Journal of Educational Innovation Research 2018, Vol. 28, No. 1, pp.381-404 DOI: http://dx.doi.org/10.21024/pnuedi.28.1.201803.381 A study on Characteristics of Action Learning by Analyzing Learners Experiences

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE May; 26(5),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE May; 26(5), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 May; 26(5), 435444. http://dx.doi.org/10.5515/kjkiees.2015.26.5.435 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) 77 GHz

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Apr.; 29(4),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Apr.; 29(4), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2018 Apr.; 29(4), 299 307. http://dx.doi.org/10.5515/kjkiees.2018.29.4.299 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Design

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 30(2),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 30(2), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2019 Feb.; 30(2), 124131. http://dx.doi.org/10.5515/kjkiees.2019.30.2.124 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) MIMO

More information

07김동회_ok.hwp

07김동회_ok.hwp (Regular Paper) 19 4, 2014 7 (JBE Vol. 19, No. 4, July 2014) http://dx.doi.org/10.5909/jbe.2014.19.4.510 ISSN 2287-9137 (Online) ISSN 1226-7953 (Print) IEEE 802.11n WLAN A-MPDU a), a) Block Ack-based Dynamic

More information

<30312DC1A4BAB8C5EBBDC5C7E0C1A4B9D7C1A4C3A52DC1A4BFB5C3B62E687770>

<30312DC1A4BAB8C5EBBDC5C7E0C1A4B9D7C1A4C3A52DC1A4BFB5C3B62E687770> Journal of the Korea Institute of Information and Communication Engineering 한국정보통신학회논문지(J. Korea Inst. Inf. Commun. Eng.) Vol. 19, No. 2 : 258~264 Feb. 2015 ID3 알고리즘 기반의 귀납적 추론을 활용한 모바일 OS의 성공과 실패에 대한

More information

10 이지훈KICS2015-03-068.hwp

10 이지훈KICS2015-03-068.hwp 논문 15-40-05-10 The Journal of Korean Institute of Communications and Information Sciences '15-05 Vol.40 No.05 http://dx.doi.org/10.7840/kics.2015.40.5.851 가로등 인프라를 활용한 안전한 스마트 방범 시스템 차 정 화, 이 주 용 *, 이

More information

µðÇÃÇ¥Áö±¤°í´Ü¸é

µðÇÃÇ¥Áö±¤°í´Ü¸é 2013. JAN. FEB. VOL.23 2013. JAN. FEB. VOL.23 Review Preview Company Technical Point Focus Issue Market Trend Industrial Trend Policy Report KDIA News Tour Statistics KDIA 02 10 11 12 15 16 22 28 36 38

More information

Journal of Educational Innovation Research 2017, Vol. 27, No. 4, pp DOI: A Study on the Opti

Journal of Educational Innovation Research 2017, Vol. 27, No. 4, pp DOI:   A Study on the Opti Journal of Educational Innovation Research 2017, Vol. 27, No. 4, pp.127-148 DOI: http://dx.doi.org/11024/pnuedi.27.4.201712.127 A Study on the Optimization of Appropriate Hearing-impaired Curriculum Purpose:

More information

DBPIA-NURIMEDIA

DBPIA-NURIMEDIA The e-business Studies Volume 17, Number 4, August, 30, 2016:319~332 Received: 2016/07/28, Accepted: 2016/08/28 Revised: 2016/08/27, Published: 2016/08/30 [ABSTRACT] This paper examined what determina

More information

29 Ⅰ. 서론 물리학자들이 전파의 이론을 정립한 이후, 이를 기술적으로 실현함은 물론 적정 수준의 19세기 물리학자인 페러데이, 맥스웰, 헤르츠 등의 연구 결과로 인류는 전기장과 자기장의 변화 에 따른 전파를 만들어 낼 수 있게 되었고, 인류에 게 있어 없어서는 안되

29 Ⅰ. 서론 물리학자들이 전파의 이론을 정립한 이후, 이를 기술적으로 실현함은 물론 적정 수준의 19세기 물리학자인 페러데이, 맥스웰, 헤르츠 등의 연구 결과로 인류는 전기장과 자기장의 변화 에 따른 전파를 만들어 낼 수 있게 되었고, 인류에 게 있어 없어서는 안되 Journal of Communications & Radio Spectrum SPECIAL ISSUE 28 TREND REPORT 통신 및 비통신용 전파응용 기술 이슈 및 시사점 글 황태욱 경희대학교 연구교수 (031) 201-3254, twhwang@khu.ac.kr 주제어: 밀리미터파, 테라헤르츠파, 전파응용 기술, ISM 기기 전파자원의 부족문제에 대한

More information

(72) 발명자 정진곤 서울특별시 성북구 종암1동 54-398 이용훈 대전광역시 유성구 어은동 한빛아파트 122동 1301 호 - 2 -

(72) 발명자 정진곤 서울특별시 성북구 종암1동 54-398 이용훈 대전광역시 유성구 어은동 한빛아파트 122동 1301 호 - 2 - (51) Int. Cl. (19) 대한민국특허청(KR) (12) 등록특허공보(B1) H04B 7/04 (2006.01) H04B 7/02 (2006.01) H04L 1/02 (2006.01) (21) 출원번호 10-2007-0000175 (22) 출원일자 2007년01월02일 심사청구일자 2008년08월26일 (65) 공개번호 10-2008-0063590 (43)

More information

<352EC7E3C5C2BFB55FB1B3C5EBB5A5C0CCC5CD5FC0DABFACB0FAC7D0B4EBC7D02E687770>

<352EC7E3C5C2BFB55FB1B3C5EBB5A5C0CCC5CD5FC0DABFACB0FAC7D0B4EBC7D02E687770> 자연과학연구 제27권 Bulletin of the Natural Sciences Vol. 27. 2013.12.(33-44) 교통DB를 이용한 교통정책 발굴을 위한 통계분석 시스템 설계 및 활용 Statistical analytic system design and utilization for transport policy excavation by transport

More information

½Éº´È¿ Ãâ·Â

½Éº´È¿ Ãâ·Â Standard and Technology of Full-Dimension MINO Systems in LTE-Advances Pro Massive MIMO has been studied in academia foreseeing the capacity crunch in the coming years. Presently, industry has also started

More information

878 Yu Kim, Dongjae Kim 지막 용량수준까지도 멈춤 규칙이 만족되지 않아 시행이 종료되지 않는 경우에는 MTD의 추정이 불가 능하다는 단점이 있다. 최근 이 SM방법의 단점을 보완하기 위해 O Quigley 등 (1990)이 제안한 CRM(Continu

878 Yu Kim, Dongjae Kim 지막 용량수준까지도 멈춤 규칙이 만족되지 않아 시행이 종료되지 않는 경우에는 MTD의 추정이 불가 능하다는 단점이 있다. 최근 이 SM방법의 단점을 보완하기 위해 O Quigley 등 (1990)이 제안한 CRM(Continu 한 국 통 계 학 회 논 문 집 2012, 19권, 6호, 877 884 DOI: http://dx.doi.org/10.5351/ckss.2012.19.6.877 Maximum Tolerated Dose Estimation Applied Biased Coin Design in a Phase Ⅰ Clinical Trial Yu Kim a, Dongjae Kim

More information

05 목차(페이지 1,2).hwp

05 목차(페이지 1,2).hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Sep.; 25(9), 944 951. http://dx.doi.org/10.5515/kjkiees.2014.25.9.944 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) A Study

More information

,.. 2, , 3.. 본론 2-1 가상잡음신호원생성원리, [8].,. 1.,,. 4 km (13.3 μs).,. 2 (PN code: Pseudo Noise co- 그림 2. Fig. 2. Pseudo noise code. de). (LFSR: Line

,.. 2, , 3.. 본론 2-1 가상잡음신호원생성원리, [8].,. 1.,,. 4 km (13.3 μs).,. 2 (PN code: Pseudo Noise co- 그림 2. Fig. 2. Pseudo noise code. de). (LFSR: Line THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Jun; 26(6), 546 554. http://dx.doi.org/10.5515/kjkiees.2015.26.6.546 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) Proof-of-Concept

More information

Bluetooth

Bluetooth 무선기기명 (Certification Ordinance) 제품상세 MCA Radio equipment for land mobile or command 1) (Item 1-4of Article 2 station used for MCA land mobile communications (antenna power: 50W or less) 2) 3) 4) 5) 6)

More information

05 목차(페이지 1,2).hwp

05 목차(페이지 1,2).hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2014 Oct.; 25(10), 1028 1039. http://dx.doi.org/10.5515/kjkiees.2014.25.10.1028 ISSN 1226-3133 (Print) ISSN 2288-226X (Online)

More information

DBPIA-NURIMEDIA

DBPIA-NURIMEDIA The e-business Studies Volume 17, Number 6, December, 30, 2016:275~289 Received: 2016/12/02, Accepted: 2016/12/22 Revised: 2016/12/20, Published: 2016/12/30 [ABSTRACT] SNS is used in various fields. Although

More information

???? 1

???? 1 The Korean Journal of Applied Statistics (2013) 26(1), 201 208 DOI: http://dx.doi.org/10.5351/kjas.2013.26.1.201 A Note on Model Selection in Mixture Experiments with Process Variables Jung Il Kim a,1

More information

232 도시행정학보 제25집 제4호 I. 서 론 1. 연구의 배경 및 목적 사회가 다원화될수록 다양성과 복합성의 요소는 증가하게 된다. 도시의 발달은 사회의 다원 화와 밀접하게 관련되어 있기 때문에 현대화된 도시는 경제, 사회, 정치 등이 복합적으로 연 계되어 있어 특

232 도시행정학보 제25집 제4호 I. 서 론 1. 연구의 배경 및 목적 사회가 다원화될수록 다양성과 복합성의 요소는 증가하게 된다. 도시의 발달은 사회의 다원 화와 밀접하게 관련되어 있기 때문에 현대화된 도시는 경제, 사회, 정치 등이 복합적으로 연 계되어 있어 특 한국도시행정학회 도시행정학보 제25집 제4호 2012. 12 : pp.231~251 생활지향형 요소의 근린주거공간 분포특성 연구: 경기도 시 군을 중심으로* Spatial Distribution of Daily Life-Oriented Features in the Neighborhood: Focused on Municipalities of Gyeonggi Province

More information

Chapter4.hwp

Chapter4.hwp Ch. 4. Spectral Density & Correlation 4.1 Energy Spectral Density 4.2 Power Spectral Density 4.3 Time-Averaged Noise Representation 4.4 Correlation Functions 4.5 Properties of Correlation Functions 4.6

More information

<B8F1C2F72E687770>

<B8F1C2F72E687770> Transactions of the KSNVE, 23(12) : 1056~1065, 2013 23 12, pp. 1056~1065, 2013 http://dx.doi.org/10.5050/ksnve.2013.23.12.1056 ISSN 1598-2785(Print), ISSN 2287-5476(Online) A Study on the Improvement Plan

More information

08 조영아.hwp

08 조영아.hwp THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 Jan.; 26(1), 6370. http://dx.doi.org/10.5515/kjkiees.2015.26.1.63 ISSN 1226-3133 (Print)ISSN 2288-226X (Online) 900 MHz

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 26(2),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE Feb.; 26(2), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 15 Feb.; (), 1. http://dx.doi.org/1.5515/kjkiees.15... ISSN 1-3133 (Print)ISSN -X (Online) An Analysis on Harmonic Effects of

More information

October Vol. 42 13

October Vol. 42 13 12 Journal of Communications & Radio Spectrum October Vol. 42 13 14 Journal of Communications & Radio Spectrum October Vol. 42 15 16 Journal of Communications & Radio Spectrum October Vol. 42 17 18 Journal

More information

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE May; 26(5),

THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE May; 26(5), THE JOURNAL OF KOREAN INSTITUTE OF ELECTROMAGNETIC ENGINEERING AND SCIENCE. 2015 May; 26(5), 483 491. http://dx.doi.org/10.5515/kjkiees.2015.26.5.483 ISSN 1226-3133 (Print) ISSN 2288-226X (Online) TACAN

More information