1. 論文研討： SON XUAT TA, DAO NGOC CHIEN, AND IKMO PARK,“WLAN BAND REJECTION MIMO–UWB ANTENNA WITH ENHANCED ISOLATION COEFFICIENT”, ISAP2011-FOR ANTENNA-ENG-REPORT 報告人： 通訊一甲 MA0S0201 林格名 天線工程期末報告 Southern Taiwan University Department of Electronic Engineering 1

2. OUTLINE Abstract 1. Introduction 2. Antenna Geometry and Characteristics 3. Conclusions References Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 2

3. OUTLINE Abstract 1. Introduction 2. Antenna Geometry and Characteristics 3. Conclusions References 3

4. Abstract 研究方向： 以 MIMO 天線進行設計與研究，以增大隔離度為 目標並運用於 WLAN 及 UWB 應用上。 設計方式： 以共面波導 (CPW) 饋入平面單極天線，在天線接 地面上嵌入槽孔分割的方式改善隔離度的問題。 Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 4

5. OUTLINE Abstract 1. Introduction 2. Antenna Geometry and Characteristics 3. Conclusions References 5

6. Introduction Multi-Input Multi-Output ( MIMO ) Ultrawideband ( UWB ) ： 3.1 GHz ~ 10.6 GHz Wireless Local Area Network ( WLAN ) ： 2.4GHz 、 5.2GHz 、 5.8GHz Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 6

7. OUTLINE Abstract 1. Introduction 2. Antenna Geometry and Characteristics 3. Conclusions References 7

8. Antenna Geometry and Characteristics MIMO 天線除了 Return Loss 需求外，在隔離度上也與一般 天線有不同之需求。 隔離度： -15 dB 基板介電系數： 3.38 厚度： 0.8128 mm 板材： Rogers RO4003 隔離度頻寬： 3 GHz ~11GHz Isolation ≦ -15 dB Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 8

9. Antenna Geometry and Characteristics MIMO 幾何結構圖，此 天線整體尺寸為 60 mm x 50 mm 天線相關參數為 W = 19 mm Slot 1 Slot 2 W Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 9

10. Antenna Geometry and Characteristics Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 10

11. Antenna Geometry and Characteristics Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 11

12. Antenna Geometry and Characteristics Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 12

13. Antenna Geometry and Characteristics Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 13

14. Antenna Geometry and Characteristics Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 14

15. OUTLINE Abstract 1. Introduction 2. Antenna Geometry and Characteristics 3. Conclusions References 15

16. Conclusions 利用 WLAN 來有向帶拒 MIMO-UWB 天線 運用三叉戟槽孔與單天線有相似特點。 有極佳隔離度以及 VSWR 也小於 3 具有良好之全向性輻射天線。 此天線可廣泛運用於 MIMO-UWB 系統。 Son Xuat Ta, Dao Ngoc Chien, and Ikmo park, “WLAN Band Rejection MIMO–UWB Antenna with Enhanced Isolation Coefficient”, iSAp2011-for antenna-Eng-report 16

17. OUTLINE Abstract 1. Introduction 2. Antenna Geometry and Characteristics 3. Conclusions References 17

18. References [1] T. A. Denidni and M. A. Habib, “Broadband printed CPW-fed circular slot antenna,” Electron. Lett., vol. 42, no. 3, pp. 135-136, Feb. 2006. [2] L. Guo, S. Wang, X. Chen, and C. Parini, “A small printed quasi-self complementary antenna for ultra wideband systems,” IEEE Antennas Wireless Propagat. Lett., vol. 8, pp. 554-557, 2009. [3] M. Koohestani and M. Golpour, “Very ultra-wideband printed CPW-fed slot antenna,” Electron. Lett., vol. 45, no. 21, pp. 1066-1067, Oct. 2009. [4] W. P. Lin and C. H. Huang “Coplanar waveguide-fed rectangular antenna with an inverted-L stub for ultrawideband communications,” IEEE Antennas Wireless Propagat. Lett., vol. 8, pp. 228-231, 2009. [5] V. Sadeghi, C. Ghobadi, and J. Nourinia, “Design of UWB semi-circle-like slot antenna with controllable band-notch function,” Electron. Lett., vol. 45, no. 25, pp. 1282-1283, Dec. 2009. [6] K. G. Thomas and M. Sreenivasan, “A simple ultrawideband planar rectangular printed antenna with band dispensation,” IEEE Trans. Antennas Propagat., vol. 58, no. 1, pp. 27-34, Jan. 2010. [7] V. Tran and A. Sibille, “Spatial multiplexing in UWB MIMO communications,” Electron. Lett., vol. 42, no. 16, pp. 931–932, 2006. 18

19. 本人對 UWB 天線看法 對於 Isolation 中， UWB 與 WLAN 高頻部分，免 於受到干擾，可運用 “ 帶拒 ” 的方式。 MIMO 天線中，可增加傳輸速率等優點，與陣 列天線相較之下， 19

20. 問題 : 天線與天線之間的隔離度，如何產生？ 由三叉戟槽孔所產生出來。 20

21. Q&A 謝 謝 聆 聽謝 謝 聆 聽 21