SIP

1

2014 2015 2016 2017 20XX

1.2.3.

1.

2.

3.

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250 300

99%

98m 239m0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 50 100 150 200 250 300

95%

144m

CACC

. 4

760MHz760 Hz

760MHz

75

186

( )

0

1

2

3

4

5

6

0 10 20 30 40 50 60

[ ]

A

( )

( )

( )

( )

0

1

2

3

4

5

6

0 10 20 30 40 50 60

[ ]

C

( )

( )

( )

( )

77

2 100km/h 350m 6 72

11 10C1

1.3t

mm

A(Merging car)

BSlowdown car C

280m, 400m

180m, 260m

0

10

20

30

40

50

60

70

80

90

100

020040060080010001200

[%]

[m]

0

10

20

30

40

50

60

70

80

90

100

050100150200250300

[%]

[m]

0.7

0.75

0.8

0.85

0.9

0.95

1

-300 -200 -100 0 100 200 300

Ave

rage

pac

ket d

eliv

ery

rate

Location of receiving vehicle station (m)

RS1

2

1

RS2

(m)

24020m

12 3 TC

LDPC

A B C

Repeat-Accumulate

QPSK1/3

500 1,000

ITS

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