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Spectrum sharing scenariosfor 5G networks deployment

Arseny Plossky,

Radio Research & Development Institute (NIIR)

(Russian Federation),

Rapporteur of ITU-D Question 4/1,

ITU/BDT Expert

ITU AMERICAS IPEC 2019

ITU Discussion workshop: 5G and new technologies // Taller de

discusión UIT: 5G y nuevas tecnologías

Santo Domingo, Dominican Republic 26-30 August 2019

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Main goal of spectrum management

To ensure that adequate spectrum is provided

over both the short and long term for public

service organizations to fulfil their missions for

public correspondence, for private sector

business communications, and for broadcasting

information to the public

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Main objective of spectrum management

Spectrum management system must provide an

orderly method for allocating frequency bands,

authorizing and recording frequency use,

establishing regulations and standards to govern

spectrum use, resolving spectrum conflicts, and

representing national interests in international

fora

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Infrastructure and spectrum sharing

Active infrastructure sharing - sharing of radio access network

(RAN) elements (antenna, BTS and RNC)

Passive infrastructure sharing - sharing of passive elements of the

network infrastructure (masts, containers, towers, power supply

and air conditioning equipment)

Spectrum sharing - aggregation of frequency bands assigned to

operators

Source: Draft new Recommendation ITU-T D.264 on "Shared use of

spectrum and telecommunication infrastructure as possible methods

for enhancing the efficiency of telecommunications"

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Infrastructure and spectrum sharing

40

30

20

10

Degree of network consolidationFully consolidated

networks

Fully separated

networks

Separated

networks

Shared site/location

(elevation, roofs)

Shared infrastructure

(AC power supply,

ventilation, antennas)

Shared telecom equipment (RF, TX)

National roaming

(regional separation)

Full consolidation

(common network/

equipment)

Действующая

сеть

Network under

construction

2 operators 3 operators

Consolidated

operator

Several operators

AIS, passive part

AIS, active

part

50

40

30

20

10

Cost savings, %

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Spectrum sharing levels

among different radio communication services or applications,

whether at international level for services with a global footprint

(satellite, aeronautical, maritime), based on provisions in the

Radio Regulations and coordination of frequency assignments, or

at national level

among different entities or type of users (e.g. governmental vs

commercial use)

among different licensed users of the same/similar application

(e.g. PMR services, Point-to-point links)

between protected primary users and licence-exempt users (e.g.

radars and EESS vs 5 GHz RLANs)

between different licence-exempt users.

Source: Report ITU-R SM.2404-0 Regulatory tools to support enhanced shared use of

the spectrum

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Spectrum types

LA (Licensed Access) – Exclusive use of spectrum by operator

LSA (Licensed Shared Acess) – Shared use of licenced spectrum

LAA (Licensed Assisted Acess) – Shared use of unlicensed

spectrum together with licensed-based one

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Priority

Source: https://www.qualcomm.com/invention/5g/5g-unlicensed-shared-spectrum

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Concept for spectrum management and spectrum sharing for 5G mobile networks

Source: https://metis-ii.5g-ppp.eu/wp-content/uploads/deliverables/METIS-II_D3.2_V1.0.pdf

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5G usage categories

Extreme Mobile Broadband (xMBB) - high throughputs as well as

and low-latency communications, and extreme coverage with

reliable moderate rates over the coverage area. Mixed low-band

and high-band spectrum, LSA/LAA.

Massive Machine-Type Communications (mMTC) with wireless

connectivity for tens of billions of network-enabled devices with

prioritization on wide area coverage and deep indoor penetration.

Low-band spectrum, LSA.

Ultra-reliable Machine-Type Communications (uMTC) with ultra-

reliable low-latency and/or resilient communication links. Low-

band and high-band spectrum, LA

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5G Frequency Plans

Main

3,5 GHz: ~100 MHz/operator, global harmonization

26-28 GHz: ~ 800 MHz/operator, outdoor-only/hotspot

Additional

600/700 MHz: ~20 MHz/operator, most business cases

2600 MHz: ~40 MHz/operator

4,8; 37 GHz; 40 GHz; 50 GHz; 66 GHz : TBD

WRC-19 should provides some decisions on 5G spectrum

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5G usage and sharing scenarios

Source: https://metis-ii.5g-ppp.eu/wp-content/uploads/deliverables/METIS-II_D3.1_V1.0.pdf

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Regulatory challenges

Necessity to allow spectrum sharing in

national regulations

Increasing complexity of radio monitoring and

radiocontrol

Spectrum conversion

Technology neutrality

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Operators challenges

Commercial agreement

Additional equipment for dynamic spectrum

sharing

More spectrum auctions

15

Thank you very much!!!

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