電力線通信

(1)

91 2007

05

"!$#$% &(' )+*-,(.(/ 0(1

Yoshiaki MATSUMOTO

,

Takafumi WATANABE

1

2+354+6

2001

7989:;=<=>?=@A=BDCFE=GH9I@=AB=J=KL=M NOQPRSTVUWXZY\[QY ;=@]^D_8V:\EG`]ab c NdeVRSfgWWVU ;=hGiDjklmVno WX=p ? q ;=JKrs?tu Nvw @]xyz{ N|}VRSWW U ;

2006

7

10

~=;\ g `=]=a=b c CFE=G=H9IF9F@=A BJK NV mEGVo WX=p ? q ; V _@ABJKV NVRS ;=@ABJKV_8I F9ZF9F==?= R _ OZPN== o fg I X mVj;@¡ABJKLMV_¢ gf£¤ ;=¥¦§V8¨ © q ?=ª CF«=¬=H9I X

2

+®°¯(±³²

2.1

´=µ=¶·=¸9¹Fº @ABJKVj; _@AVC»DI WVU ?¼½@AB ¾ ; D ?@¿BVCEG Y\f JKHVILMmVnI X @ A9_FÀ=Á=KÂ9CFÃ=Ä Y ;ÆÅÇ

2MHz

È

30MHz

?=`=]=a=b c CEG Y\fÉÊQY\W ÀÁKÂDC@¿BD_Ë Y ;=JKVC h¥HDI X @ÌÍÎÏDCÐÑÒDÑQ\_ÓHÔ mV \D_ÕÖmV×; [ ¢¼DÐØÙÚmVQ\V CF==H9I=Û= N m9×I X

2.2

·=¸=ÜÝ @=A=BJ=K=mDjF;

PLC

=DFm ÉÊZYW À=Á=KÂ9CF» K Y ;ÞKßVj; p ?KÂVCàáÏDâCãG Y\f @äV À=Á=K=ÂD_Få=æ;

PLC

=DFm=ÀÁ=K=ÂD_Fç ÊèY ;=9á é âFÏ=J=K9CFh=¥ Yfg I X=ê=ë=ì C

Fig. 1

_Fí=H X

Fig.1

JK=î=ïñðóòFôöõ÷Fø=ù

2.3

ú=û=üý @þAþBþJ°Kþ? ÉþÊ r°sÿj ;=JþK ? fþg I BþJþKþ? ÉþÊ rþsÿC þGþHÿI ? N mÿnþI X

?D_`]aåÃ

(Orthogonal Frequency

Division Multiplexing

õ

OFDM)

ÉÊ rs;=ØVèÚÏ rs N nI X=ÉÊ rsVj; RS I ¾ "!# $ ;Æ`=]=a=E=G%&;('=@=A ?)* [,+ ;ÆÅ-9F? N./DRS I X ¥0; G@ABJKmDj

3

¢? "12 N34QY\f §Q:\; pS5S ?12 N6 I`] ab c ; ÉÊ rs CEG Y\fg I X

3

¢?172? 78 C

Table. 1

_Fí=H X,9 ?;:=h<=>1;2=m9n=I

HD-PLC

j

Wavelt OFDM

ÉÊ rsDC"?G Y\fg I X@A mVj;

Wavelet OFDM

É=Ê r=s=?BC=m9nI

OFDM

É=Ê r=s _F¢ g=f=£=¤ I X

Table. 1

PLC

? D12 12 E=G=`=]=a=b c É=Ê r=s Å=Ç=J=K=

HomePlug1.0 4.3MHz

È

20.9MHz

OFDM

13.75Mbps

HD-PLC

4MHz

È

28MHz Wavelet OFDM

55Mbps

UPA

4.3MHz

È

20.9MHz

OFDM

13.75Mbps

2.3.1 OFDM

ú=û=ü=ý9¹Fº

OFDM

É=Ê r=s9=jF;FE=a=?HGIHJLK=`=]=a9CMDN9_ ãVo fOP _JKHVIrsmVnI X Ea? GIQJRK` ]am M"NJKHVI WVU _j;=`]a MS?xyDC"T S U + gX xy NVDRg `]a;ØVQRW ?HVI`]aV_X? GIQJRK`]aVC"YZ Y ;Ea ? GI J[K`]aVCÃ\ f ãGHVIrsVC`]aå ÃrsV"]^ X Û?rsDj;=ØVQRW?_`VC EGHVI WDU ;a g `]aÇ c C"b%V_cG Y JK C < RDd I=Û= N m9×=I X

OFDM

É=Ê rs=? ê=ë=ì C

Fig. 2

_í=H X

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ାภߩᒝߐ

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ᖱႎࡆ࠶࠻

Fig.2 OFDM

É=Ê r=s=? ê=ë=ì ðóòFôöõ÷ø=ù

2.3.2 Wavelet OFDM

ú=û=ü=ý9¹º

Wavelet OFDM

j;

OFDM

ÉÊ r=s N Ne PÉ iH I !# _DfgDCFÞ ¾ H g h Cij YW ?=m9n=I X

1

(2)

GIQJ[K=?iD_

Wavelet

É CD-G Y ;N` É i CFH9IFJ=K <=? D!# ? $ C <=H9IF?=m9n=I X

Wavelet

É C-GHVIÛm; "!# ? É iV_ Yf ; QGIHJ[K=`]a9_Z: f I

bit

aDC É i Rd ; hV_ÀÁVC»VIÛ N mV×I X "!# N ÇV× g j Z: f I

bit

aDC9 Y ; D!# NV9RFg j

bit

a9C ¾ H X

3

+®°¯(±³²

3.1

´=µ=¶·=¸

2006

7

11

~@ !¡s"# [ +

HD-PLC

r sñð

Wabelet OFDM

ÉÊ rsù9C?G YW G

PLC

K%$&èâ= N u èR=SDW9X' ï)(9mD?9ÅDÇ9JDKDH

190Mbps

;

TCP

J Kþ? h+* j-,

55Mbps

m nþI X @]^i./0;=EGV`]ab c N N :\JK =?===i N=v1 m g I X

3.2

´=µ=¶·=¸243567

PLC

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•

B ? D!# ?fg ãGHVI`]b c mVj; @: [ + uGHVI !# N @ABD_ÃÄ Y V_HIHVI XEV EG mVj;KJV_

AC

KA$&Dâ;MLRW !N OVâCã G Y\WPQ ;,JRVâSÎ N "!# ÌVI X Û S + ? PQ C "!# àáÏVâ?T gWU ÎÏDâ& _V=H9Û=Fm=;fg9CW4@=I=Û= N m9×=I X

•

K=ÂXY=?fg @B Z¾[ B å\?fg N nI WVU ;=KÂXY N]^ _ÇD×I XU ÎÏVâ& KÂVCX Y RDd I _ m9nI X

•

@=]`a @ABV_`]@ËDCËHV@AB [ + @b] N ` aHVI X

PLC

?E¡G`]aVj;<>?B: ¾ ; cd :V_xyHVI WVU z{e RSfg I XEV m jF;HW éf=¾g b@h=;=B

LAN

Fx=y=H9I X

•

E9 [ B=?=¥=¦ ?@ABiV×j w jklmBsmiV×j Sf g I X klmBsVj

3

?BVCiV×nj w ;

3

?po q

1

jKØm;rè:

2

?

100V

W ! Ñ gsS [ _FK=Â-CF? d IF?=m-n=I N M4t B ðMl=ù_u N o W :HMDS=?J=K9F;wv%oB ð 6 l=ù5_u N o W mVjKÂ?xyQ:\r N6 I X MlV_z ¤ ; 6 l ? jKÂ?XY N ÇV×V:;9Û? EV [ B? {9÷| N K=ÂXY=?=î _ ==o f=g I X

•

å=@} EV ? [ BVC ,HVIå@}Vj; ¡D _jJ ^~ ¢mVnI XZY\[QY ;=@A?ÇV× E _e ?@¿BVCiA N nV:\;9Û?V8)oÍØVj e A _å@} N å [Sfg I X6 I"e A o Y j RSfg I WVU ;=å@}VC Wg ÔJKVj m9×= g=X

3.3

¥70?@ABJKVj V mãGHVI ; 9^ _ <F?z{ N uG Y ; _B "!# KÂXY?z {VjM"NV_æ Y S U JK N mV× gX= G V NDRSW

2006

7Vj;

PLC

!# àá Ï â-T × U ¡Î¡Ï â¡-& N¡¡ R S¡f g [ o W Û¡ ; . Y\g hEG? N34QYfg [ o W Û [ + ; VCDo WN ÕÖmD× g g o N aÞ H+S=W=X ¥ 0Vj ; F!7# C uG¡HVI7 ? j s

PLC

F! # àáÏVâTV× U ÎÏVâ&V_uA;HM"NV_Vj U ÎÏDâ&DC¬ Rs ÐÑÒVÑQ_"ÕÓHVÛmh *=

10Mbps

=?=J=K N=9 m=E=G===m9n=I X W Ô Y ; "!# àáÏVâTV× U ÎÏVâ&Vj2 N 4;

Ethernet

_z ¤ I=IDÐFØö N ÇD× gW9U34 _ o f¡g g ? N ¥¦¡mVnI X=W ;B

LAN

? >Dj=Ô ===m9n9:;9Û S 34 C¡4¢ f=g I X

4

£¤¥§¦ -¨© Nª @ + S ¢ ¢ n¡I¡Û ¾ ; VQ« UA¬ ?® [ + ; © q VQ\V @ N H H 34 HDIÛ N¯ @ +\S I X VVQ F9=jF;°&4±Z ÐFÏ ¾ =9âw² !# ?v g[,+ ; =9 JK N U +S I

AV

Dè\V;: d³ ? w C PR YW ¼D d³ eVè\D_å [S I?V ¯ @ +S I X=p ?4´Fm

PLC

jF;=B

LAN

¾

Bluetooth

g o W BJKV >HVI WVU _`]ab c C e Z Y W ¼V? N ; D ? d³ eVQVmEG R S I?Vµy S I X=ÉÊ rs?i¶V_8V:\@]`A@ g CW)@F¢=¢

PLC

?==i N=v9UU ;

AV

9èF9=_ -=Gm9×=I= N n9:;