소형 다중대역 UWB-MIMO 안테나의 설계 및 분석 Martins Chidozie Ezuma 지도교수: 변재영교수, Ph. D. 조선대학교 대학원 정보통신공학과 초 광대역 무선 통신 기술(Ultra-wide band (UWB) communication technology)은 근거리 데이터 집약 무선통신기술의 가장 효율적인 대안 기술로 각광받고 있다. 이는 미국연방통신위원회(FCC)에서 UWB통신을 위한 방대한 무허가 ...
소형 다중대역 UWB-MIMO 안테나의 설계 및 분석 Martins Chidozie Ezuma 지도교수: 변재영교수, Ph. D. 조선대학교 대학원 정보통신공학과 초 광대역 무선 통신 기술(Ultra-wide band (UWB) communication technology)은 근거리 데이터 집약 무선통신기술의 가장 효율적인 대안 기술로 각광받고 있다. 이는 미국연방통신위원회(FCC)에서 UWB통신을 위한 방대한 무허가 대역폭을 배정하였기 때문이다. 또한 UWB 기술은 다중매체 영상 스트리밍과 같은 초고속 통신에 적합하다. 더욱이, 사물간 인터넷 (Internet of Things, IoT) 시대가 도래함에 따라 UWB통신은 실내 위치 기반 시스템, 홈 네트워킹 시스템, 그리고 의료시스템을 위한 인체통신 등에서 또다시 주목을 받고 있다. 기기 제작자들은 이러한 적용가능성을 기반으로 휴대하기 쉽고 초고속 통신에 접속이 가능한 장치의 제작에 관심을 보이고 있다.
소형 다중대역 UWB-MIMO 안테나의 설계 및 분석 Martins Chidozie Ezuma 지도교수: 변재영교수, Ph. D. 조선대학교 대학원 정보통신공학과 초 광대역 무선 통신 기술(Ultra-wide band (UWB) communication technology)은 근거리 데이터 집약 무선통신기술의 가장 효율적인 대안 기술로 각광받고 있다. 이는 미국연방통신위원회(FCC)에서 UWB통신을 위한 방대한 무허가 대역폭을 배정하였기 때문이다. 또한 UWB 기술은 다중매체 영상 스트리밍과 같은 초고속 통신에 적합하다. 더욱이, 사물간 인터넷 (Internet of Things, IoT) 시대가 도래함에 따라 UWB통신은 실내 위치 기반 시스템, 홈 네트워킹 시스템, 그리고 의료시스템을 위한 인체통신 등에서 또다시 주목을 받고 있다. 기기 제작자들은 이러한 적용가능성을 기반으로 휴대하기 쉽고 초고속 통신에 접속이 가능한 장치의 제작에 관심을 보이고 있다.
Design and Analysis of a Compact Multi-band UWB-MIMO Antenna Martins Chidozie Ezuma Advisor: Prof. Jae-Young Pyun, Ph.D. Dept. of Information and Communication Engineering. Graduate School of Chosun University The Ultra-wide band (UWB) communication technology has received so much publicity over the...
Design and Analysis of a Compact Multi-band UWB-MIMO Antenna Martins Chidozie Ezuma Advisor: Prof. Jae-Young Pyun, Ph.D. Dept. of Information and Communication Engineering. Graduate School of Chosun University The Ultra-wide band (UWB) communication technology has received so much publicity over the years as the most efficient solution for short distance data intensive wireless communication. This is mainly because of the enormous unlicensed bandwidth assigned by the federal communications commission (FCC) for UWB communication. Also, the UWB technology is well suited for high data rate communications like multimedia video streaming. Furthermore, as the world welcomes the dawn of the Internet of Things (IoT) era, UWB communication is regaining some renewed attention for indoor location based systems, home networking systems and intra-body communications for medical healthcare systems. In these application areas, device manufacturers are interested in making their devices very portable and equipped with high data rate connectivity. The UWB technology meets these requirements. This thesis presents the design and analysis of an innovative two-port Ultra-wide band multiple-input-multiple-output (UWB-MIMO) antenna for multiband wireless application. The proposed MIMO antenna achieves a higher diversity than a single monopole antenna and is thus suitable for high speed wireless applications. In order to design the MIMO antenna, first, a UWB monopole antenna is designed by carefully cutting out beveling slot from the sides of a rectangular monopole antenna. This technique enhances the impedance bandwidth of the antenna and helps in achieving multiband resonance characteristics. The antenna achieves a bandwidth of about 5.5 GHz with resonant modes at 5 GHz, 6 GHz, 7 GHz and 9 GHz respectively. This makes the antenna suitable for multiband wireless communication. The two port MIMO antenna is then designed by cascading the monopole antenna on a planar FR4 dielectric substrate of dimension 34 × 72 mm2. Each of the elements of the MIMO is feed separately by a 50 Ω microstrip feedline. Also, this thesis presents a detailed analysis of the effects of the bevel slots, dimensions of the antenna, and separation distance between the elements of the MIMO antenna on the performance of the proposed UWB monopole antenna and the MIMO antenna as well. The results are simulated with the help of the three-dimensional (3D) high frequency structure simulator (HFSS) software. The simulation results shows that the antenna is suitable for multiband UWB-MIMO wireless application.
Design and Analysis of a Compact Multi-band UWB-MIMO Antenna Martins Chidozie Ezuma Advisor: Prof. Jae-Young Pyun, Ph.D. Dept. of Information and Communication Engineering. Graduate School of Chosun University The Ultra-wide band (UWB) communication technology has received so much publicity over the years as the most efficient solution for short distance data intensive wireless communication. This is mainly because of the enormous unlicensed bandwidth assigned by the federal communications commission (FCC) for UWB communication. Also, the UWB technology is well suited for high data rate communications like multimedia video streaming. Furthermore, as the world welcomes the dawn of the Internet of Things (IoT) era, UWB communication is regaining some renewed attention for indoor location based systems, home networking systems and intra-body communications for medical healthcare systems. In these application areas, device manufacturers are interested in making their devices very portable and equipped with high data rate connectivity. The UWB technology meets these requirements. This thesis presents the design and analysis of an innovative two-port Ultra-wide band multiple-input-multiple-output (UWB-MIMO) antenna for multiband wireless application. The proposed MIMO antenna achieves a higher diversity than a single monopole antenna and is thus suitable for high speed wireless applications. In order to design the MIMO antenna, first, a UWB monopole antenna is designed by carefully cutting out beveling slot from the sides of a rectangular monopole antenna. This technique enhances the impedance bandwidth of the antenna and helps in achieving multiband resonance characteristics. The antenna achieves a bandwidth of about 5.5 GHz with resonant modes at 5 GHz, 6 GHz, 7 GHz and 9 GHz respectively. This makes the antenna suitable for multiband wireless communication. The two port MIMO antenna is then designed by cascading the monopole antenna on a planar FR4 dielectric substrate of dimension 34 × 72 mm2. Each of the elements of the MIMO is feed separately by a 50 Ω microstrip feedline. Also, this thesis presents a detailed analysis of the effects of the bevel slots, dimensions of the antenna, and separation distance between the elements of the MIMO antenna on the performance of the proposed UWB monopole antenna and the MIMO antenna as well. The results are simulated with the help of the three-dimensional (3D) high frequency structure simulator (HFSS) software. The simulation results shows that the antenna is suitable for multiband UWB-MIMO wireless application.
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