Feedback

Congestion Control in VANET Using Threshold Based Distance Metric with Time Synchronization Approach

 0  3  4  2017-02-01 13:39:32 Report infringing document
Documento informativo
,QWHUQDWLRQDO-RXUQDORI,QQRYDWLRQVLQ(QJLQHHULQJDQG7HFKQRORJ\ ,-,(7  &RQJHVWLRQ&RQWUROLQ9$1(78VLQJ7KUHVKROG %DVHG'LVWDQFH0HWULFZLWK7LPH 6\QFKURQL]DWLRQ$SSURDFK 7ULVKLWD*KRVK Department of Information Technology Gurunanak Institute of Technology, Kolkata, India 0G6KDKULT.KDQ  Department of Information Technology Gurunanak Institute of Technology, Kolkata, India $EVWUDFW7KHPDLQREMHFWLYHRIWKHSURSRVHGPHWKRGRORJ\LVWRPLQLPL]HWKHFRQJHVWLRQLQWKHQHWZRUNEDVHGRQWKH FRPSDULVRQ DPRQJ REWDLQHG GLVWDQFH YDOXH RI WKH QRGHV ZLWK WKH GHILQHG WKUHVKROG YDOXH DQG DSSO\LQJ WLPH V\QFKURQL]DWLRQDSSURDFKWRHQKDQFHWKHQHWZRUNSHUIRUPDQFH$WILUVWLWFDOFXODWHVWKHGLVWDQFHYDOXHEHWZHHQWKHQRGHV DQGWKUHVKROGYDOXHLVSUHGHILQHGIRUHDFKQRGHLQWKHQHWZRUN,WFRPSDUHWKHYDOXHRIWKUHVKROGDQGGLVWDQFHYDOXHDQG DIWHUWKDWLWDSSO\WLPHV\QFKURQL]DWLRQPHWKRG  .H\ZRUGV±6&+&&+568&$999, ,,1752'8&7,21 9HKLFXODUDGKRFQHWZRUNV 9$1(7 LVXVHGIRUFRPPXQLFDWLRQDPRQJYHKLFOHVDQGEHWZHHQYHKLFOHV URDGVLGH HTXLSPHQW 9$1(7V DUH FRPSRVHG RI YHKLFOHV HTXLSSHG ZLWK DGYDQFHG ZLUHOHVV FRPPXQLFDWLRQ GHYLFHV ZLWKRXW DQ\EDVHVWDWLRQV(DFKYHKLFOHHTXLSSHGZLWK9$1(7VGHYLFHZLOOEHDQRGHLQWKHDGKRFQHWZRUNDQGFDQUHFHLYH DQGUHOD\RWKHU¶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±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lgorithm:  'LVWDQFHYDOXH ,QSXWQRGHVZLWKFRRUGLQDWHYDOXHV [\  2XWSXW'LVWDQFHYDOXHGV 3URFHVV  ,QLWLDOL]HWKHQHWZRUN  )RUHDFKQRGHL L WRQ   )RUHDFKQRGHM M WRQ   ,I LQRWHTXDOWRM   3URFHHG  'LVWDQFHYDOXHGV VTUW^ [±[  \±\ `  (QG     &RPSDULVRQ ,QSXW'LVWDQFHYDOXH 7KUHVKROGYDOXH 2XWSXW3DFNHW7UDQVIHU 3URFHVV  ,QLWLDOL]HWKHQHWZRUN  'HILQHQRGHL L WRQ   'HILQHQRGHM M WRQ   ,I LQRWHTXDOWRM   3URFHHG  ,I GVLVOHVVWKDQWKUHVKROGYDOXH   3URFHHG  3DFNHW7UDQVIHU  HQG   9ROXPH,VVXH$SULO    ,661±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±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³&5D6&+$&RRSHUDWLYH6FKHPHIRU6HUYLFH&KDQQHO5HVHUYDWLRQLQS:$9(9HKLFXODU $G+RF1HWZRUNV´3URFRI,QWHUQDWLRQDO&RQIHUHQFHRQ8OWUD0RGHUQ7HOHFRPPXQLFDWLRQV :RUNVKRSVSS >@ 7ULVKLWD*KRVK 6XODWD0LWUD&RQJHVWLRQ&RQWUROE\'\QDPLF6KDULQJRI%DQGZLGWKDPRQJ9HKLFOHVLQ9$1(7,QWK,QWHUQDWLRQDO &RQIHUHQFHRQ,QWHOOLJHQW6\VWHPV'HVLJQDQG$SSOLFDWLRQV   >@ &&DPSROR $9LQHO $0ROLQDUR DQG
Congestion Control in VANET Using Threshold Based Distance Metric with Time Synchronization Approach
RECENT ACTIVITIES
Autor
Documento similar

Congestion Control in VANET Using Threshold Based Distance Metric with Time Synchronization Approach

Livre