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1

2 IC IC IC (MDA) 20% 60% i

3 UHF MH MH ii

4 1 RFID(Radio Frequency Identification) Bluetooth UWB(Ultra Wide Band) ZigBee Transmission range Long Wireless LAN Bluetooth ZigBee RFID UWB Short Low Carrying capacity High 1.1: 1

5 Power consumption High Wireless LAN Bluetooth ZigBee UWB RFID Low Low Carrying capacity High 1.2: UWB LAN UWB LAN UWB UWB Bluetooth LAN ZigBee Bluetooth RFID UWB UWB LAN Bluetooth ZigBee 2.45GH 3m 1.3 2

6 10m Electrical field intensity[ V/m] V/m 35 V/m 322MH 500 V/m 150GH 1 100k 1M 10M 100M 1G 10G 100G 1000G Frequency[H] 1.3: 3m 2 480kH 315MH 433MH 480kH 3 315MH 433MH IC 3m 3 2 IC

7 2 480kH 315MH 433MH 480kH ISM(Industrial Scientific and Medical Band ) RFID 315MH MH 3m 500µV/m 322MH 10GH 35µV/m 433MH ISM ISM kH 4

8 2.1: Frequency Distance between transmitting and receiving antennas Output power 480kH 3m 20.86dBm 3m SG(Signal Generator) SG 480kH 20.86dBm ± m 50cm dBm 480kH T Antenna R Antenna Signal Generator Cable Spectrum Analyer 3m 2.1: ( ) 5

9 R Antenna (Loop) Spectrum Analyer 2.2: ( ) UZ-K1 6

10 380mm 340mm 15 0 ± : 10mm 9mm 100mm 5mm 3mm 50mm 0 0 ± 2.4 7

11 Large Small 2.4: [deg.] [dbm] Loop Antenna Bar Anntena(Large) Bar Anntena(Small) 2.5: 3m 8

12 2.2 UHF CMOS Chipcon UHF IC CC1000 CC1020 IC IC 2 IC RSSI(Recieving Signal Strength Indicator) / Chipcon ( ) Chipcon SmartRF Studio IC IC 50Ω m 20dBm dB 9

13 y T Board(-Plane) Rotater Standard dipole Cable Spectrum Analyer 2.6: ( y ) MH CC CC MH 1000MH MH ISM/SRD(Short Range Device) CC1020 CC : CC1000 X-tal Frequency X-tal Accuracy MH 20ppm RF Frequency Frequency Separation Data Rate Data Format RF Output Power Mode Distance between transmitting and receiving antennas 64kH 2.400kBaud Manchester -20dBm T 3m 10

14 y 2.7: CC1000 CC dBm 85dBm 35dB 11

15 0-70[dBm] 0-70[dBm] y -110 y 180 [deg.] y-plane Vertical Polariation Horiontal Polariation 180 [deg.] y-plane 2.8: CC1000 3m 0 [dbm] [dbm] y -140 y 180 [deg.] y-plane 180 [deg.] y-plane Vertical Polariation(Open) Horiontal Polariation Vertical Polariation(Termination) Horiontal Polariation 2.9: CC1000 3m 12

16 MH CC CC MH 470MH 804MH 940MH CC CC dBm 106dBm 50dB y 2.10: CC

17 2.3: CC1020 X-tal Frequency MH X-tal Accuracy 5ppm RF Frequency Frequency Separation 4.950kH Data Rate 4.800kBaud Data Format NRZ(Non Return to Zero) RF Output Power -20dBm Channel Spacing 25kH Modulation FSK Mode T Pseudo Random Distance between transmitting and receiving antennas 3m 0-70[dBm] 0-70[dBm] y -110 y 180 [deg.] y-plane Vertical Polariation Horiontal Polariation 180 [deg.] y-plane 2.11: CC1020 3m 14

18 0-120[dBm] 0-120[dBm] y -140 y 180 [deg.] y-plane Vertical Polariation(Open) Horiontal Polariation Vertical Polariation(Termination) Horiontal Polariation 180 [deg.] y-plane 2.12: CC1020 3m LF 2.13 UHF?? m 3.0m LF 40dB 50dB 315MH 12dB 15dB 433MH 16.5dB 18.5dB LF UHF LF 3m UHF UHF 3m 15

19 Propagation loss[dbm] Distance[m] Loop Anntena(Large Area) (Small Area) Large Bar Anntena(Large Area) (Small Area) Small Bar Anntena(Large Area) (Small Area) 2.13: 16

20 50 45 Propagation loss[dbm] Distance[m] CC1000 Horiontal-polariation (y-plane) (y-plane) Vertical-polariation (y-plane) (y-plane) CC1020 Horiontal-polariation (y-plane) (y-plane) Vertical-polariation (y-plane) (y-plane) 2.14: 17

21 MH p(w ) r(m) Em 3.1 p Em = (3.1) r 315MH 3m 500µV/m Em r 3m p 50nW 50nW 50nW 3m 500µV/m IC IC IC IC IC 3.1 CC1000 CC CC

22 CC MH 3.1 y IC IC d 2.9 y 315MH 47.6cm 44.6cm CC m 105.6dBm 3.1 CC y 3.1:

23 3.1: Half-wave length 47.6cm Element length 44.6cm Direction of standard dipole Horiontal direction Distance between transmitting and receiving antenna 2.3m -95 Electrical field intensity(dbm) d(mm) 3.2: 3.2 3cm CC

24 cm 3cm y 30cm 20dBm y y IC RFOUT y y y y L h C L=433mm h=30mm C=5mm 3.3: 21

25 y -63dBm(+17dBm) 3.4: (y ) y -57dBm(+36dBm) 3.5: ( ) 1m 10dBm

26 a b dBm y T Board 315MH 10dB Radiator Standard dipole Rotater 3cm 1m 3.6: 0-50 [dbm] [deg.] a b 3.7: ( ) 23

27 3.2 λ 2 λ 2 ( ) λ 2 λ 2 ( ) Radiator Reflector Director 3.8: 1m 10dBm CC

28 3cm 3.9 y T Board Director Standard dipole Cable Spectrum Analyer Rotater 1m 3.9: 3.10 a b 25

29 0-70 [dbm] 0-70 [dbm] [deg.] 47.6cm 0-70 [dbm] 180 [deg.] 47cm 0-70 [dbm] cm [deg.] a b cm [deg.] 3.10: 3cm 3cm 44cm 3.11 a b 26

30 -70 - [dbm] [deg.] [dbm] [deg.] [dbm] [deg.] [dbm] [deg.] +3cm +6cm +9cm +12cm b a 3.11: 44cm 27

31 3.2.2 CC1000 3cm 3.12 y T Board(-Plane) Reflector Rotater Standard dipole Cable Spectrum Analyer 3.12: 3.13 a b 28

32 0-70 [dbm] 0-70 [dbm] [deg.] 48.6cm 0-70 [dbm] 180 [deg.] 47.6cm 0-70 [dbm] cm [deg.] a b cm [deg.] 3.13: 3cm cm 47.6cm 3.14 a b 29

33 0-70 [dbm] 0-70 [dbm] cm [deg.] 0-70 [dbm] 180-6cm [deg.] 0-70 [dbm] cm [deg.] a b cm [deg.] 3.14: 47.6cm 3cm 3cm 47.6cm 30

34 ( ) 3.2 3cm 47.6cm ( ) a b c b y Reflector T Board Standard dipole Radiator Rotater 3cm 3cm 1m 3.15: 31

35 0-50 [dbm] [deg.] 3.16: a b c d 31.1dBm 7.51dBm 5.42dBm 13.38dBm : [dbm] FB [db] ( )

36 4 3 (MDA) MDA N N =6 N =0 b MDA MDA b a N 4.1: MDA(N =6) MDA cm 33

37 CC1000 (5.4cm 10.2cm) NEC2 NEC2 315MH MDA a =5.4cm b =10.2cm N MH 1.91dB dB 1200 Resonant Frequency[MH] N 4.2: 34

38 315MH N =8 MDA 4.1 MDA 315MH MDA MDA Feeding Point (1 9) 4.3: MDA 0 Amplitude[dB] Number 4.4: 35

39 4.5 22dB NEC2 MDA 4.6 CC a b c 10.2cm 5.4cm y y 1mm 3cm 4.5: 4.1 MDA 36

40 4.6: MDA 0-50 [dbm] [deg.] 4.7: a b c 10.85dBm 12.62dBm NEC2 37

41 MDA y a y b 3.2 (47.6cm) NEC2 300MH 3cm 300MH NEC2 300MH 4.8 a b 4.8: 300MH a b b a b

42 -76 Electrical field intensity[dbm] b[mm] 4.9: b a = 125(mm) b = 250(mm) 300MH j 315MH j 3cm 300MH 315MH 50Ω MDA y 315MH 50Ω N =6 b b = 274mm y a =50mm 58% MDA

43 L m2 a m1 0.5a L a m1 m2 274mm 50mm 5.0mm 9.0mm 4.10: 4.11: CC1000 3cm 4.12 a b c 0-50 [dbm] [deg.] 4.12: 40 a b c

44 F/B 3.51dB F/B 4.81dB CC a b c d 4.14 a b c 0-50 [dbm] [deg.] 4.13: a b c d 41

45 0-50 [dbm] [deg.] 4.14: a b c 16.87dBm 4.12dBm 13.38dBm : [dbm] FB [db] ( )

46 5 315MH CC1000 CC Ω CC1000 IC RFOUT 23.63dBm 3cm 5.44dBm 31.1dBm 13.38dBm MDA 10.85dBm 7.79dBm 16.87dBm 43

47 44

48 KDDI 45

49 [1] / pp October [2] IC CC1020 pp Novenber [3] :CQ, [4] RCS May [5] B-II Vol.J80-B-II No.12 pp December [6] B-II Vol.J81-B-I I No.2 pp Febrary [7], 4 1 B Vol.J86-B No.9 pp September [8], IC RF UWB ZigBee,, [9]

3 16 2 27 4497 LAN(Local Area Network) OFDM(Orthogonal Frequency Division Multiplexing) 12 3 3 12 3 12 33. F/B 22.7dB 3 F/B i 1 1 2 3 8 2.1................................. 8 2.2.............................

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