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Rural & Remote

Use Cases of Small Cells

2nd March, 2015

Aya Mukaikubo

SoftBank Mobile Corp.

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Solution for Wireless backhaul

Rural and RemoteSmall Cells

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Rural & Remote Area Overview

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Both Macro and IP base stations are used to cover

Rural and Remote

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Rural & Remote Area Overview

4,300 Satellite NBs in serviceat Rural & Remote of Japan

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QuestionWhy Rural

& Remote?

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AnswerCustomers’

Satisfaction

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Legacy satellite usage

Large bandwidth

is needed

Dedicated satellite bandwidth is assigned to NB

SBM method(Bandwidth sharing)

Just small

bandwidth is

enough

Satellite bandwidth can be allocate dynamically

How can SBM reduce satellite cost?

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Coming soon!

Till now, down link MAX

2Mbps

After next April, MAX speed

?

How much speed? Can works for LTE?

Is speed an issue?

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Permanent Deployment

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Rural Use Cases

Temporary Deployment

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Permanent Rural Case Studies

Secluded Station

Mountain Trail

Ski Resort

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Secluded Station (1)

Rough landscape and rarely visited stations.But popular among railroad fans.

Sometimes, bears

stop by at

the platform.

Secluded = Hikyo Station

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Secluded Station (2) trend of visitors

Not much specific trend can be found by the day of week

Nov.2014 Dec. Feb.Jan.2015

Mon Tue Wed Thu Fri Sat Sun

Number of visitors

No specific trend can be seenby seasonal so far

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Mountain Trail (Japan Alps) (1)

Very rough but popular trailplace, mainly used in summer.Not be able to covered by macro base stations.

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Mountain Trail (Japan Alps) (2)

Jul.2014 Sep. Nov. Jan.2015

Weekends (esp. Saturdays) have higher visitors than the others.

Summer and autumn >>> Winter

Number of visitors

Mon Tue Wed Thu Fri Sat Sun

Number of visitors

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Ski Resort (1)

Deployed at a parking lot of a popular ski resort. A macro station also covers this area with different frequency.

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Ski Resort (2) trend of visitors

Apr. Jul. Oct. Dec.Jan.2014

Weekends (esp. Sundays) have higher visitors than the others.

Winter >>> other seasons

Number of visitors

Mon Tue Wed Thu Fri Sat Sun

Number of visitors

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Temporary Deployment

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Rural Use Cases

Permanent Deployment

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Examples of temporary solutions (emergency)

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Temporary Deployment - Emergency Backhaul -

500 Satellite NBs were operated on 2011 Earthquake

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Temporary Deployment

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Improvement of “Temporary” Deployment

Before After

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System of “Temporary” Deployment

All this type of deployment in the 2011 disaster area are gone now and replaced

by solutions with concrete poles

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Provisional housings

It’s been 4 years since the earthquake.

However,155 IP base stations are still active at provisional

housings as shown.

Jan.2014 Apr. Jul. Oct. Dec.

Number of Visiting users

Continuous assistance to the affected people is highly appreciated.

Even now, each site has several dozen visitors

per day.

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Summary

Updates on Subscribers & ARPU

Rural & Remote Small cells

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Thank You