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Design of Inset Fed Micro Strip Patch Antenna for Wireless Communication at 2.45GHz

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Author(s)
프라드한 사지나
Issued Date
2012
Abstract
요 약

2.45GHz에서 무선 통신을 위한 삽입된 피드 구조의 마이크로 스트립 패치 안테나의 설계



Sajina Pradhan
지도교수: 최동유
조선대학교 대학원 정보통신공학과


마이크로스트립 패치 안테나는 인쇄기판으로 제작하기 때문에 제작이 쉽고, 대량생산에 적합하며 높이가 낮고 견고하다는 등의 여러 가지 특징이 있다. 따라서 무선통신 시스템에 매우 적합한 형태이다. 또한, RF회로와 쉽게 결합할 수 있으며 휴대장치, WLAN, 네비게이션 시스템, 위성통신 및 다양한 애플리케이션에 적용이 가능하다.
본 논문의 목적은 삽입된 피드구조의 특성을 분석하고, 2.45GHz에서 무선통신 시스템을 위한 단일 주파수 마이크로스트립 패치 안테나를 설계하는 것이다.
안테나 시뮬레이션은 Ansoft사의 고주파 구조 시뮬레이터 (HFSS)를 이용하였으며 실험실에서 직접 제작한 후 측정하였다. 제작한 마이크로스트립 패치 안테나 설계 조건은 FR-4 기판 유전율 4.7, 스케일링 팩터 0.95, 손실 탄젠트 0.019이며, 제작한 안테나의 반사손실, 방사패턴, VSWR, 이득과 대역폭 등을 분석하였다.|Abstract

Design of Inset Fed Micro Strip Patch Antenna for Wireless Communication at 2.45GHz



Sajina Pradhan
Advisor: Prof. Dong-You Choi, Ph.D Department of Information and Communication Engineering,
Graduate School of Chosun University


The performance and advantages of micro strip patch antennas such as low weight, low profile, low cost and small size made them the perfect choice for wireless communication system. They have the capability to integrate with microwave circuits and they are well suited for many applications like cell devices, WLAN applications, navigation systems, satellite communications and many others.
The purpose of this thesis is to analysis and design an inset feed, single frequency micro strip patch antenna for wireless communication system at 2.45GHz. Antenna is simulated using Ansoft High Frequency Structure Simulator (HFSS) and fabricated in laboratory. The rectangular inset fed micro strip patch antenna design uses Flame Retardant 4 FR4, micro strip board with dielectric constant 4.7, scaling factor 0.95 and loss tangent is 0.019. The antenna characteristics such as return loss, radiation pattern, VSWR, gain and bandwidth percentages are measured. The results from the simulation and measurement are presented and compared with each other.
Alternative Title
2.45GHz에서 무선 통신을 위한 삽입된 피드 구조의 마이크로 스트립 패치 안테나의 설계
Alternative Author(s)
Sajina Prdhan
Affiliation
정보통신공학과
Department
일반대학원 정보통신공학과
Advisor
최동유
Awarded Date
2012-08
Table Of Contents
Table of Contents............................................................i
List of Tables.................................................................iii
List of Figures................................................................iv
Acronyms........................................................................vi
Abstract(English)...........................................................vii
Abstract(Korean)............................................................ix

I. Introduction.................................................................. 1
A. Overview.............................................................................. 1
B. Objective and scope........................................................... 2
C. Research methodology......................................................... 3
D. Thesis organization.............................................................. 4

II. Literature Review.......................................................6
A. Historical development of micro strip antennas............... 6
B. Basic micro strip antenna................................................... 7
C. Advantages vs. disadvantages of micro strip antennas... 9
D. Applications of micro strip antennas............................... 11
E. Types of patch antennas................................................... 12
F. Substrate materials............................................................. 12
G. Excitation techniques......................................................... 14
1. Micro strip line feed.............................................................. 15
2. Coaxial feed (Coplanar feed)................................................ 17
3. Aperture coupling................................................................... 18
4. Proximity coupling................................................................. 18
H. Analytical model of analysis............................................. 19

III. Antenna Parameters................................................ 26
A. Gain and directivity........................................................... 26
B. Antenna polarization........................................................... 27
C. Input impedance................................................................. 27
D. Voltage standing wave ratio............................................. 29
E. Bandwidth........................................................................... 30

IV. Micro Strip Patch Antenna Design....................... 32
A. Design specifications......................................................... 32
B. Design procedure............................................................... 33
C. Simulation setup and results............................................. 37
D. Fabrication procedure and its results.............................. 42

V. Conclusion and Future Work.................................. 47

References..................................................................... 48
Degree
Master
Publisher
조선대학교 대학원
Citation
프라드한 사지나. (2012). Design of Inset Fed Micro Strip Patch Antenna for Wireless Communication at 2.45GHz.
Type
Dissertation
URI
https://oak.chosun.ac.kr/handle/2020.oak/9512
http://chosun.dcollection.net/common/orgView/200000263305
Appears in Collections:
General Graduate School > 3. Theses(Master)
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