DTN Communication in a Mine

Teemu Kärkkäinen

Aalto University

TIVIT Future Internet Programme

16.2.2011

Mining

Mining

Communications in Mines

• Real-time voice communications are critical for safety– This works: Leaky feeder, VoIP over WiFi

• Data communications for sensor data and work orders1. WiFi: Heavy infrastructure, coverage limited by topology, cannot be

installed in development areas.

Communications in Mines

Communications in Mines

• Real-time voice communications are critical for safety– This works: Leaky feeder, VoIP over WiFi

• Data communications for sensor data and work orders1. WiFi: Heavy infrastructure, coverage limited by topology, cannot be

installed in development areas.

2. Leaky feeder: Low capacity, unstable, expensive, cannot be installed in development areas.

3. Manual transfer: Limited to one transfer per shift, subject to human errors, risk of malfunctions due to dirt.

Can We do Better?

Node Mobility in Mines

05:30 14:00

I1

t2 t3 t4t1

E1 E2 E2 E1C C

05:30 14:00

I2

t6 t8 t9t5

C E1 E2 CC C

t7

E2

I: Intermediary node, E: Equipment node, C: Control room, t: time

Node Mobility in Mines

05:30 14:00

E1

C

E2

I1

t2

t1

I1

t3

t4

I1

I1t6

t5

t7

I2

I2

t8

t9

I2

t11

t10

I3, p=0.5

I3, p=0.5

t12

Node Mobility in Mines

DTN Communication in a Mine

Thank You!

Teemu Kärkkäinen

Aalto University

TIVIT Future Internet Programme

16.2.2011