2016 2 25

ITS

RAS

RLS(radar)

RLS(radar)

RAS

76.0 77.5 78.0 79.0 81.0

RAS: Radio Astronomy ServiceRLS: Radio Location Service

amat

eur

79GHz WRC-15 2015 11 ITU-RITU-R

77.5 78.0GHz 500MHz

79GHz 24 26GHz UWB 76GHz

2

#2 #1

8 -antenna

4-antenna

Detected

Undetected

Eco

leve

l

Before AfterDetected

Range

Detected

Multiplereceivers

TransmitBeamforming

Signal generationComplementary codes

CorrelationCoherent

integration

Velocity &directionestimation

Multiplereceivers

TransmitterBeamforming

Signal generationComplementary codes

CorrelationCoherent

integration

Velocity &direction

estimation

Detection range:Pedestrian 40mVehicle 100m

Detection range:

Exceed 120

Resolution:Range 20cmAngular 5

3

79GHz

H23 H25

Radar-1

20cm/5120 /100ms

4

27 3 2 6

79GHz

79GHz

A

SR

LR

79GHz

5

Near side

Far side

6

Far sideLong Rage LR

Near sideShort Rage SR

40m

20m

7

2

LRSR

[km/h]LR 0.0 0.0 0.9 0.9 0.4 0.4 0.4SR 1.8 1.8 1.3 0.9 1.3 0.9 1.3

[m]LR 0.2 0.5 0.5 0.5 0.7 0.7 0.5SR 0.9 0.7 0.2 0.5 0.9 0.7 0.7

[km/h]LR 1.3 0.4 2.2 1.3 0.9 0.4 1.1SR 2.7 0.0 4.9 0.4 2.2 2.6 2.1

[m]LR 0.9 0.5 0.9 0.7 0.2 0.9 0.7SR 0.2 0.5 0.5 0.5 0.0 0.2 0.3

0.75m/s

1.0m/s

1.25m/s

[km/h]LR 0.9 0.4 0.9 1.3 1.8 0.9 1.0SR 0.4 2.7 1.8 2.7 2.7 3.5 2.3

[m]LR 0.5 0.7 0.5 0.5 0.5 0.5 0.5SR 0.2 0.2 0.2 0.5 0.5 0.5 0.4

8

9

95%

10

79GHz

: 27 8 17 20: : 79GHz

11

50mm/h 79GHz

SNR50mm/h 40m +3dB

12

27 11 24 27::

13

79GHz

1

79GHz1.

3. ITS

2.2

79GHz

ITS3

15

2

-30 +30 -30 +30

20m

10m

20m

10m

P2P1R

P1 P2R10m20m

79GHz60 1 <0.5km/h

60dB

16