3RUW )XQFWLRQV
-DEEHU õDOO SRUWVô
,I DQ\ LQSXW SRUW LV DFWLYH IRU PRUH WKDQ è PVñ WKH
GHYLFH ZLOO DXWRPDWLFDOO\ WHUPLQDWH DOO WUDQVPLW DFWLYð
LW\ IRU DW OHDVW äç ELW WLPHVï 7KLV ZLOO JLYH ZDLWLQJ SRUWV
DQ RSSRUWXQLW\ WR DFFHVV WKH QHWZRUNï $ SRUW WKDW LV
FRQWLQXRXVO\ EDEEOLQJ ZLOO FRQVWDQWO\ FROOLGH ZLWK
RWKHU SRUWVñ DQG ZLOO HYHQWXDOO\ EH LVRODWHG E\ WKH DXWRð
SDUWLWLRQLQJ IXQFWLRQï
$XWRðSDUWLWLRQLQJ õDOO SRUWVô
$Q\ SRUW WKDW FDXVHV êë FRQVHFXWLYH FROOLVLRQV ZLOO EH
SDUWLWLRQHG DV VKRZQ LQ )LJXUH éï $ SRUW ZLOO DOVR EH
SDUWLWLRQHG LI LW FRQWLQXHV WR EH DFWLYH IRU PRUH WKDQ
ìíí XV DIWHU D FROOLVLRQ KDV RFFXUUHGï 2QFH D SRUW LV
SDUWLWLRQHGñ GDWD UHFHLYHG IURP WKDW SRUW LV QRW
UHSHDWHGñ XQWLO WKH SRUW LV UHðFRQQHFWHGï 7KHUH DUH WZR
UHðFRQQHFWLRQ DOJRULWKPVï 7KH QRUPDO DOJRULWKP
DOORZV D SRUW WR EH UHFRQQHFWHG LI D SDFNHW FDQ EH VXFð
FHVVIXOO\ WUDQVPLWWHG RU UHFHLYHG IURP WKH SRUWï 7KH
DOWHUQDWLYH DOJRULWKP DOORZV UHðFRQQHFWLRQ RQO\ LI D
SDFNHW FDQ EH VXFFHVVIXOO\ WUDQVPLWWHG WR WKH SRUWï )RU
UHðFRQQHFWLRQ WR RFFXUñ DW OHDVW èìë ELW WLPHV RI QRQð
LGOHñ QRQðFROOLVLRQ DFWLYLW\ PXVW RFFXUï 2QFH WKLV KDSð
SHQVñ WKH SRUW LV UHðFRQQHFWHG DIWHU WKH DFWLYLW\ VWRSVï
7KH DFWLYLW\ WKDW FDXVHV WKH UHðFRQQHFWLRQ LV QRW
UHSHDWHGï
/LQN ,QWHJULW\ )XQFWLRQ õìí%$6(ð7 SRUWV RQO\ô
7KH GHYLFH VXSSRUWV WKH /LQN ,QWHJULW\ IXQFWLRQñ ZKLFK
LV XVHG WR GHWHUPLQH LI D ìí%$6(ð7 FRQQHFWLRQ LV
ZRUNLQJï 7KH IXQFWLRQ FDQ EH HQDEOHG RQ D SRUWðE\ð
SRUW EDVLVï :KHQ HQDEOHGñ WKH GHYLFH ORRNV IRU /LQN
,QWHJULW\ 3XOVHV IURP HDFK RI WKH ìí%$6(ð7 SRUWVï
:KHQ WKHVH SXOVHV DUH UHFHLYHG IURP D SRUWñ LW LV SXW
LQWR WKH ¦/LQN 8S§ VWDWHñ HQDEOLQJ WUDQVPLVVLRQV WR WKH
SRUWñ DQG YLFH YHUVDï ,I WKH /LQN ,QWHJULW\ IXQFWLRQ LV
GLVDEOHGñ WKH SRUW LV IRUFHG LQWR WKH /LQN 8S VWDWHï 7KH
GHYLFH JHQHUDWHV /LQN 3XOVHV WR DOO SRUWVñ UHJDUGOHVV RI
WKH /LQN 6WDWH RI DQ\ SRUW RU ZKHWKHU WKH /LQN )XQFWLRQ
LV HQDEOHG RU GLVDEOHGï
/;7äìæîäìç 0XOWLð3RUW +XE 5HSHDWHUV
3RODULW\ 'HWHFWLRQ DQG &RUUHFWLRQ
õìí%$6(ð7 SRUWV RQO\ô
7KH GHYLFH FDQ GHWHFW UHYHUVHG SRODULW\ RQ DQ\
ìí%$6(ð7 SRUW DQG LQWHUQDOO\ FRUUHFW IRU LWï 7KLV
IXQFWLRQ FDQ DOVR EH GLVDEOHG RQ D SRUWðE\ðSRUW EDVLVï
64( 0DVN õ$8, 3RUW RQO\ô
(WKHUQHW 0$8 GHYLFHV õDOVR NQRZQ DV WUDQVFHLYHUVô
W\SLFDOO\ JHQHUDWH DQ 64( VLJQDO õDOVR FDOOHG KHDUWð
EHDWô RQ WKH &, LQSXWV DIWHU HDFK GDWD WUDQVPLVVLRQ WR
WKH 0$8ï 7KLV IXQFWLRQ LV QRUPDOO\ VXSSRVHG WR EH
GLVDEOHG ZKHQ D 0$8 LV DWWDFKHG WR D UHSHDWHUñ EXW
RIWHQ WLPHV WKLV LV RYHUORRNHGï 7KH UHVXOW FDQ EH D FROð
OLVLRQ DW WKH HQG RI HDFK SDFNHW WUDQVPLWWHGï $Q 64(
0DVN IXQFWLRQ LV SURYLGHG WR RYHUFRPH WKLV SUREOHPï
:KHQ WKH 0DVN LV VHWñ 64( KHDUWEHDW VLJQDOV IURP
H[WHUQDO 0$8©V ZLOO QRW EH SDVVHG RQ DV FROOLVLRQVï
5HYHUVH $8, 0RGH
,Q WKH UHYHUVH PRGHñ WKH $8, LQWHUIDFH RSHUDWHV DV D
0$8 UDWKHU WKDQ DV D '7(ï 7KLV DOORZV LW WR GLUHFWO\
LQWHUIDFH WR DQ /;7äíìîäíéîäíæï ,Q WKLV PRGHñ WKH IROð
ORZLQJ DSSO\ã
l 7KH &, SLQV IXQFWLRQ DV RXWSXWVï
l 7KH 0DVN64( IXQFWLRQ GHWHUPLQHV ZKHWKHU RU QRW
WKH GHYLFH JHQHUDWHV 64(îKHDUWEHDW DIWHU HDFK VXFð
FHVVIXO WUDQVPLVVLRQ WR WKH GHYLFHï
l 7KH $8,', SLQV FRQWLQXH WR IXQFWLRQ DV LQSXWVñ DQG
WKH $8,'2 SLQV FRQWLQXH WR IXQFWLRQ DV RXWSXWVï ,I
WKHVH VLJQDOV DUH EHLQJ EURXJKW RXW WR DQ H[WHUQDO
FRQQHFWRUñ WKH\ PXVW EH SK\VLFDOO\ VZDSSHG IURP
WKHLU QRUPDO SRVLWLRQV õ5HIHU WR )LJXUHV ìì DQG ìëïô
l 7KH GHYLFH ZLOO ORRSEDFN GDWD SUHVHQWHG DW WKH
$8,', LQSXWV WR WKH $8,'2 RXWSXWVï
5HGXFHG 6TXHOFK õìí%$6(ð7 SRUWV RQO\ô
7KH VTXHOFK WKUHVKROG RQ WKH ìí%$6(ð7 UHFHLYHUV FDQ
EH ORZHUHGï 7KLV DOORZV WKH GHYLFH WR GHWHFW ZHDNHU
WKDQ QRUPDO VLJQDOVñ DQG FDQ EH XVHG WR VXSSRUW FDEOHV
ORQJHU WKDQ ìííPï ,W DOVR PDNHV WKH GHYLFH PRUH VHQð
VLWLYH WR FURVVðWDON DQG RWKHU QRLVHñ DQG PXVW EH XVHG
ZLWK JUHDW FDUHï
L1
ìëðçê