1

Bridging the Rural Digital Divide:

Connectivity and Applications

2

Ingredients for 4th Revolution in Agriculture

• Mechanical Science – Mechanization

• Chemical Science – Fertilizers, Pesticides, Herbicides

• Bio Science – Hybrids, Genetics

• Data Science – Huge Scale analytics, field management

• Big Data manipulation

• Data Collection & Sensors (IoT)

• Connectivity

• Useable data presentation to end users in the field

3

20 Countries are home to 4 billion people with no Internet service

Even USA and Russia have 80M+ people with no internet ~ 20%

WEF

2014

4

Why is this the case?

WEF

2014

5

Ruralstar

• Lower TCO

• Ultra-Wide Coverage

• Rural MBB

6

Lower TCO Rural Coverage Solutions Based On Scenarios

Macro cell (donor) MBB Coverage

(RuralStar)

Country Side/Rural

Small Village Road

Macro cell Coverage Continuous Coverage Accurate Coverage

Tower height > 30m 24m, 30m 9/12/18m

Distance to donor site NA 10~40 km 10~60 km

Coverage distance 8~15km 4~8km 2~4km

Coverage population >7000 3000~7000 1500~3000

Continuous Coverage

(RuralStar)

7

RuralStar: Profitable Rural Coverage, Connecting the Unconnected

(Macro BTS with LTE)

Donor BTS

Relay BTS

RualStar TCO Reduced 70%

Relay MW/SAT

Tower

Diesel

Generator.

Pole

Solar

ROI in 3 years @Ghana

-4 000 000

-2 000 000

0

2 000 000

4 000 000

6 000 000

-3 000 000

-2 000 000

-1 000 000

0

1 000 000

2 000 000

Y1 Y2 Y3 Y4 Y5 Y6

Free cash flow(FCF) Accumulated FCF

• Voice ~220Erl, Data increased ~1GB, and 1000 SMS/day

• Enables Mobile Money service to rural area -- increasing continuously

Donor BTS

Relay BTS

18km

8

Overview of RuralStar Installation Solution – Cost Reduction

Solar Panel

• Monocrystal silicon: 265W/300W

• Efficiency: 16.3%/18.4%

• Anti-theft bolt & wire

• Pole-mounted

Solar Optimizer

• 375W Optimizer efficiency: 99.6%

• Connection: 1 optimizer for 1 PV

• Communication: PLC

Smart DC Distributor

• Pole-mounted, “0” space

• 3 routes for -48VDC output (RRU/DU/MW)

• 1 route reserved for others (Camera/portable light/illumination)

• Energy and component monitor

SPM-NetEco

Battery Cabinet

• Battery hybrid use: lead-acid 170Ah * 3 & 48V lithium 150Ah * 1

• 93% charging & discharging efficiency

• High temperature battery(45℃）, natural cooling

12V

lead-acid battery Lithium battery

Mobile APP

In-band

Concrete-free

9

IoT Applications and Agriculture and Rural economy Use Cases

Field Logging / Precision Agriculture

Predictive Maintenance

(EU)

10

IoT Applications and Agriculture and Rural economy Use Cases

Optimized Greenhouse

(Shandong)

Animal Husbandry

(Inner Mongolia)

Coldchain/Blockchain

(Kenya)

• Mobile Money

• Remote Medicine

• Remote Education

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