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1

2 LAN(Local Area Network) OFDM(Orthogonal Frequency Division Multiplexing) F/B 22.7dB 3 F/B i

3 Port Port Short Pin ii

4 1 LAN LAN LAN (IEEE) IEEE b IEEE g IEEE a 3 IEEE b IEEE g 2.4 GHz 2.4 GHz ISM (Industry Science Medical band) Bluetooth IEEE a 5 GHz 5 GHz OFDM OFDM IEEE a 36 Mbps 54 Mbps 1.1 [1], [2] 1

5 Transmit Receive 1.1: 19 GHz LAN 1.2 [3]-[5] F/B 2 db 6 [6] F/B 1 db [7] 7 9 GHz 6 F/B 1 db 12 [8].2 λ.4 λ 2

6 refector Monopole Yagi-Uda 1.2: 12 [9]-[11] 19GHz LAN λ MSAT(Mobile Satellite) [12], [13] 4 [14], [15] 9 4 F/B (Front to back raito) 6 [16]-[18] 3

7 F/B 5 Ω F/B F/B 15 db λ Driven element Feed Point Parasitic element 1.3: 6 4

8 3 F [19] 1.4 F F λ/4 x F x F x x Inverted F Antenna Monopole z y x 1.4: F 5

9 Ω Patch TLMA 1.5: 3 z 1 [dbi] -1 z x x 18 5Ω Terminal 1.6: Feed 6

10 CST Microwave Studio 7

11 Port 1 Patch 1 Port 2, 3 Patch 2, 3 Port Patch1,2,3 rs 5 GHz rs 18 mm 1. mm mm 8

12 Port2 Patch2 Port1 Port3 Patch1 Patch3 y z x 2.1: ps pin hs rs rs d -9 x 9 y rs=18mm pin=1.mm εr=2.6 t=1.6mm z x 2.2: 9

13 Port 1 ps hs d Port x Port ps ps 8 mm 9 mm 1 mm zx : hs x d Port 17. mm 3. mm 1. mm 5 Ω Return Loss [db] ps=4mm ps=45mm ps=5mm Frequency [GHz] 2.3: 1

14 2 [dbi] 2 [dbi] GHz 5.51GHz 2.4: ps =8mm GHz 2.5: ps =9mm 5.51GHz 27 2 [dbi] GHz 2.6: ps = 1 mm 5.52GHz 11

15 2.2.2 hs hs 13 mm 15 mm 17 mm zx : ps x d Port 8. mm 3. mm 1. mm 5 Ω -1 Return Loss [db] hs=13mm hs=15mm hs=17mm Frequency [GHz] 2.7: 12

16 2 [dbi] 2 [dbi] GHz 2.8: hs =13mm 4.67GHz GHz 2.9: hs =15mm 27 2 [dbi] GHz 2.1: hs =17mm 13

17 2.2.3 d d.8 mm 1. mm 1.2 mm zx GHz 5.5 GHz f1 f2 f1 Patch 1 f2 Patch 1 2.3: ps hs x Port 8. mm 17. mm 3. mm 5 Ω Return Loss [db] d=.8mm d=1.mm d=1.2mm Frequency [GHz] 2.11: 14

18 2 [dbi] 2 [dbi] GHz 2.12: d =.8 mm 5.53GHz GHz 2.13: d = 1. mm 5.51GHz 27 2 [dbi] GHz 5.51GHz 2.14: d = 1.2 mm 15

19 2.2.4 Port Port x x 7 mm 3 mm 3 mm 7 mm zx Port x 3 mm 3 mm f1 x 7 mm 7 mm f2 2.4: Port ps hs d Port 8. mm 17. mm 1. mm 5 Ω Return Loss [db] -1-2 x= 7mm -3 x= 3mm x=-3mm x=-7mm Frequency [GHz] 2.15: Port 16

20 2 [dbi] 2 [dbi] GHz 5.5GHz GHz 5.5GHz 2.16: x = 7 mm 2.17: x = 3 mm 2 [dbi] 2 [dbi] GHz 5.5GHz GHz 5.5GHz 2.18: x =3mm 2.19: x =7mm 17

21 2.2.5 Port 2, 3 5 Ω zx : ps hs d x 8. mm 17. mm 1. mm 3. mm Return Loss [db] Ω terminal open short Frequency [GHz] 2.2: 18

22 2 [dbi] 2 [dbi] GHz 5.5GHz GHz 5.5GHz 2.21: 5 Ω 2.22: 2 [dbi] GHz 5.52GHz 2.23: 19

23 2.2.6 f1 f2 f1 f2 3 a b c d e d d s s λg/2 λg/2 r r s s s λg/2 λg/2 radiator director -9 x 9 x radiator reflector y director -9 x 9 x y z λg/2=18mm t=1.6mm s=16mm r=22mm d=1.5mm e=2mm x z λg/2=18mm t=1.6mm s=16mm r=22mm d=1.5mm x 2.24: a 2.25: b d d e s s λg/2 r s λg/2 r director -9 x 9 x reflector radiator y z λg/2=18mm t=1.6mm s=16mm r=22mm d=1.5mm e=2.mm x 2.26: c zx

24 [db] a b c 2.27: zx 9 F/B [17] F/B [2] 2 21

25 Port 1 Element 1 Port 2, 3 Element 2, 3 Port Element 1, 2, 3 rs 5 GHz rs 1.8 mm 1. mm mm 22

26 Element2 Port2 Short Pin Port1 Port3 Element3 Element1 y z x 3.1: ps pin pin hs rs rs d rd y rs=1.8mm pin=1.mm εr=2.6 t=1.6mm z x 3.2: 23

27 3.1.1 Port Port Port 1 Port 2, 3 3. a. Port 2, 3 5 Ω b. Port 2, 3 c. Port 2, Port f1 f2 f1 f2 zx xy f1 f2 b, c F/B 1 db a 2.1 db Port 5 Ω 3.1: ps 6. mm hs 9. mm rd 2. mm d 1. mm 24

28 Retrun Loss [db] -5-1 a b c Frequency [GHz] 3.3: 3.2: Terminal Condition f1 f2 a 4.84GHz 5.1GHz b 4.79GHz 5.2GHz c 4.86GHz 5.15GHz 25

29 1 [dbi] 1 [dbi] a b c 18 a b c 3.4: f1 zx 3.5: f2 zx 1 [dbi] 1 [dbi] xy-plane a b c 18 xy-plane a b c 3.6: f1 xy 3.7: f2 xy 26

30 3.1.2 f1 3.8 Element 1 Element 2, 3 Element 1 Element 2, Element 1 Element 2, 3 Element 1 3.8: f1 Element2 Element3 Element1 3.9: f1 27

31 3.1 f2 Element 1 Element 2, 3 Element 1 Element 2, 3 f Element 1 3.1: f2 Element2 Element3 Element1 3.11: f2 28

32 F/B ps hs d Port Short Pin rd ps ps 48 mm 64 mm 3.3 F/B 3.12 F/B F/B ps 48 mm Front to back ratio [db] : hs rd d 7. mm 2. mm.9 mm ps [mm] 3.12: ps F/B Horizontal power beam width 29

33 3.2.2 hs hs 6. mm 1. mm 3.4 F/B 3.13 F/B F/B F/B hs 9. mm Front to back ratio [db] : ps rd d 48. mm 2. mm.9 mm hs [mm] 3.13: hs F/B Horizontal power beam width 3

34 3.2.3 d d.7 mm 1.2 mm 3.5 F/B 3.14 F/B F/B d 1.1 mm rd F/B d.8 mm Front to back ratio [db] : ps hs rd 48. mm 9. mm 2. mm d [mm] 3.14: d F/B Horizontal power beam width 31

35 3.2.4 Port Short Pin Port Short Pin rd rd 2. mm 3.5 mm 3.6 F/B 3.15 F/B F/B d 1.1 mm rd 2. mm F/B d.8 mm rd 2.5 mm F/B 1 db d.8 mm F/B Front to back ratio [db] 3.6: Port Short Pin ps hs d mm 9. mm.8 mm 48. mm 9. mm 1.1 mm d=.8mm d=1.1mm rd [mm] 3.15: rd F/B Horizontal power beam width 32

36 F/B (Model A) F/B (Model C) (Model B) zx xy F/B Model A Model B Model C : 3 Model ps hs d rd A 64. mm 7. mm.9 mm 2. mm B 6. mm 9. mm 1. mm 2.5 mm C 48. mm 9. mm.8 mm 2.5 mm Return Loss [db] Model A Model B Model C Frequency [GHz] 3.16: 3 33

37 z 1 [dbi] x 1 [dbi] x y Eθ 18 Eφ 18 xy-plane 3.17: Model A z 1 [dbi] x 1 [dbi] x y Eθ 18 Eφ 18 xy-plane 3.18: Model B 34

38 z 1 [dbi] x 1 [dbi] x y Eθ 18 Eφ 18 xy-plane 3.19: Model C 3.8: 3 Model A B C Front to back ratio [db] Horizontal half power beam width Maximum Directivity [dbi] Tilt angle Frequency [GHz] Return Loss [db] db Bandwidth [MHz]

39 3.9: Terminal Condition a b c Maximum Directivity [dbi] Radiation efficiency [%] Total efficiency [%] Model C 3 a. Port 2, 3 5 Ω b. Port 2, 3 c. Port 2, % 5 Ω 6.6 % 96 % Port 5 Ω 6.6 % Port 1 Port 2, 3 5 Ω F/B 6.3 dbi Port 1 36

40 3.3 F/B : 3.21: 37

41 3.22 5MHz zx xy yz F/B 1dB Return Loss [db] mea. cal Frequency [GHz] 3.22: 38

42 1 [dbd] 1 [dbi] Eθ Eφ : zx 3.24: zx 1 [dbd] 1 [dbi] xy-plane Eθ Eφ 18 xy-plane 3.25: xy 3.26: xy 39

43 1 [dbd] 1 [dbi] yz-plane Eθ Eφ 18 yz-plane 3.27: yz 3.28: yz 4

44 Port 1.9 mm Port 1. mm 1.4 mm 1.3 mm Short Pin rd.5 mm sp fp sp gap feed fp = 1. mm Short Pin patch substrate plate sp = 1. mm sp fp sp connector c fp = 1.3 mm fh = 1.4 mm c = 4. mm fh ph patch substrate plate Short Pin (through hole) sp = 1. mm ph = 1.9 mm 3.29: 3.3: 41

45 MHz Return Loss [db] mea. cal.(gap) cal.(coaxial) Frequency [GHz] 3.31: 42

46 1 [dbi] 1 [dbi] Eθ Eφ 18 xy-plane Eθ Eφ 3.32: zx 3.33: zx 1 [dbi] yz-plane Eθ Eφ 3.34: yz 43

47 Ω F/B F/B d Port Short Pin rd F/B 22.7dB 3 44

48 D3 45

49 [1],,,,, AP94-35, pp.1-8, August [2],,,, (B-II), Vol.J78-B-II, No.9, pp , September [3],,,, B-1-92, March [4],,, LAN, (B-II), Vol.J8-B-II, No.5, pp , May [5],,,,, AP97-8, pp.1-8, August [6] H. Arai, Y. Ebine, 6-Sector Antenna Using Proximity Coupled Taper Slot For Multi- Media Mobile System, IEEE AP-S Digest, pp , June [7],,, PCTSA 6,, B-1-15, Octorber [8],,, PCTSA 12,, B-1-154, March [9],,,, 6,, B-1-122, March 2. [1],,,,, AP2-4, pp.61-66, July 2. 46

50 [11],,,,,, Vol.J85-B, No.9, pp , September 2. [12] J. Huang, Planar microstrip Yagi array antenna, IEEE AP-S Digest, pp , June [13] J. Huang and A. C. Densmore, Microstrip Yagi Array Antenna for Mobile Satellite Vehicle Application, IEEE Trans. Antennas Propagat., Vol.39, pp , July [14] D. Gray, J. W. Lu, and D. V. Thiel, Electronically steerable Yagi-Uda microstrip patch antenna array, IEEE AP-S Digest, p. 187, June [15] D. Gray, J. W. Lu and D. V. Thiel, Electronically Steerable Yagi-Uda Microstrip PatchAntenna Array, IEEE Trans. Antennas Propagat., Vol.46, No.5, pp.65-68, May [16],,,,,, B-1-12, August 21. [17],,,, 6,, AP21-81, pp.53-58, October 21. [18] N. Honma, F. Kira, T. Maruyama, K. Cho and H. Mizuno, Compact Six-Sector Antenna Employing Patch Yagi-Uda Array with Common Director, 22 IEEE AP- S Digest, Vol. 1, pp , June 22. [19],,, 8, Octorber [2],

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