v2session

SkyV2X · mirall-multi-its-20260914T220131Z.pcap
⇓ PDF summary
messages4986
duration58 s
stations20
types6
Session log · message timeline
CAMCPMDENMSPATEMMAPEMSREM0s6s12s18s23s29s35s41s47s53s58s
Situational map
~1364 m · CAM trail · CPM object · DENM · basemap needs network

Perception · CPM

objects reported294
collective perception msgs57
mean measurement Δt144 ms
mean CAM ↔ CPM gap25.7 m

Mean CAM ↔ CPM gap = nearest-neighbor distance per perceived object, not one measurement — and not necessarily the same physical vehicle on both sides.

Congestion · first pass

index75
speed drop (vs own peak)80%
peak concurrent stations17 (100% of all seen)
CAM cadence degradation44%

Signals · SPATEM

SPATEM224
MAPEM228

Latest signal-group phases

stop / redprotected greenstop / redprotected greenstop / redprotected greenstop / redprotected greenpermissive amberstop / redpermissive amberstop / redpermissive amberstop / redpermissive amberstop / redpermissive amberstop / red

Security envelope

No signing layer — facility messages travel unsecured. TS 103 097 SignedData (certificate, PSID, generationTime, ECDSA signature) is absent.

Kinematics · speed over time
510km/h58s
1610612747161061273616106127511610612739161061275016106127431610612744161061274616106127491610612737161061274816106127451610612741161061274016106127421610612738
Kinematics · acceleration over time

No acceleration data in this capture.

Kinematics · yaw rate over time

No yaw rate data in this capture.

Inventory
StationRoleMsgsRateSeen
1610612741passenger car2223.8 Hz58 s
1610612743passenger car2434.2 Hz58 s
1342209735roadside unit71912.3 Hz58 s
1610612744passenger car2424.2 Hz58 s
1610612745passenger car2233.8 Hz58 s
1610612749bus2334.0 Hz58 s
1610612736passenger car2995.1 Hz58 s
1610612740passenger car2213.8 Hz58 s
1610612742passenger car2213.9 Hz57 s
1610612746passenger car2404.1 Hz58 s
1610612747heavy truck3185.5 Hz58 s
1610612750bus2454.2 Hz58 s
1610612751motorcycle2744.7 Hz58 s
1610612737passenger car2304.0 Hz58 s
1610612748bus2374.1 Hz58 s
1610612739passenger car2634.6 Hz58 s
1342218796signal controller · MAPEM1132.0 Hz57 s
1342186180signal controller · SPATEM1122.0 Hz57 s
1342238549signal controller · MAPEM1132.0 Hz57 s
1610612738passenger car2183.8 Hz57 s
MessageCountRate/stationEmitters
CAM39754.0 Hz17
DENM4918.4 Hz1
MAPEM2281.0 Hz4
SPATEM2241.0 Hz4
CPM571.0 Hz1
SREM110.2 Hz1

A single station can run above or below this mean — see Conformance for per-station gap violations.

DENM events
First seenStationCauseValidRetx
0.0 s1342209735stationary vehicle300 s24 (50.0 s)
0.1 s1342209735stationary vehicle300 s23 (49.9 s)
0.3 s1342209735stationary vehicle300 s20 (50.1 s)
1.1 s1342209735stationary vehicle300 s30 (51.0 s)
1.2 s1342209735stationary vehicle300 s30 (51.1 s)
1.7 s1342209735stationary vehicle300 s15 (50.4 s)
4.1 s1342209735stationary vehicle300 s30 (51.2 s)
4.7 s1342209735stationary vehicle300 s16 (50.1 s)
4.8 s1342209735stationary vehicle300 s18 (50.4 s)
5.4 s1342209735stationary vehicle300 s24 (50.8 s)
5.6 s1342209735stationary vehicle300 s21 (50.5 s)
6.2 s1342209735stationary vehicle300 s107 (50.8 s)
6.5 s1342209735stationary vehicle300 s24 (51.6 s)
7.1 s1342209735stationary vehicle300 s28 (51.0 s)
7.1 s1342209735stationary vehicle300 s29 (51.1 s)
8.8 s1342209735stationary vehicle300 s15 (40.3 s)
17.7 s1342209735stationary vehicle300 s15 (40.5 s)
38.7 s1342209735stationary vehicle300 s6 (10.3 s)
38.9 s1342209735stationary vehicle300 s6 (10.3 s)
54.4 s1342209735stationary vehicle300 s5 (0.9 s)
57.0 s1342209735stationary vehicle300 s5 (1.3 s)
Conformance · first pass