reducing ran infrastructure resources by leveraging 5g ran transport technologies

Slide subtitle

Reduce RAN infrastructure costby leveraging 5G RAN Transport technologies

Michael GronoviusDirector Business DevelopmentEricsson

Evolving Mobile Transport Networks Toward 5G

IWPC Workshop 12/5/2017

Evolving Mobile Transport Networks Toward 5G | Public | © Ericsson AB 2017 | 2017-12-05 |

Manufacturing

Energy and

utilities

Public Safety

Healthcare

Public Transport

Media and

entertainment

Financial

Services

Retail

Agriculture

113

101

78

76

74

62

48

30

29

9

Automotive Total revenue opportunity

for Telecom operators

USD 619 billion

IWPC Workshop - Evolving Mobile Transport Networks Toward 5G - Michael Gronovius | Public | @Ericsson AB 2017 | 12/5/2017


5G Cloud RAN Architecture

L3L2 high

L3L2L1

L3L2L1

(e)S1

(e)S1

(e)X2

F1

(e)S1

E5

(e)CPRI

F1

L2 lowL1

(e)CPRI

L2 lowL1

› Distributed RAN

› Centralized RAN

› Virtualized RAN

› Elastic RAN



5G TransportRequirements

F1 eS1eCPRI

Virtual Packet Processor

(vPP)

Virtual Radio Controller

(vRC)

Radio Processor

(RP)

at radio or hub site

5G New Radio

(NR)

10-25G /sector

< 30µs -75µs+/-10G /site

<5ms One-Way

+/-40G

depending on

connected

RPs

Time/Phase

sync.

≤±1.5µs

Core

L3

L2 high

L2 low

L1



5G RouterRequirements

Capacity

10-100G Cell Site

Tbit aggregation

10T Core

# of

Queues

100x

Strict Priority

WRR

CoS-aware

Security

Scalable

Distributed

IPsec

Sec GW

MACSec

Buffer

Size

Bursty traffic

Congestion

>50ms @ line

rate

Sync

Sync-E

1588v2 (PTP)

T-BC & GM

(G.8275.1/2)

GPS Backup

SDN

Programmable

Network Slicing

Netconf/Yang

Interface

10G

100G

IPoWDM



Optical Transceiversfor mobile networks

50%

100%

150%

200%

250%

300%

2018 2019 2020 2021 2022

$/Gbps relative transceiver costs[ 10km, high temp]

10G 25G 100G

50%

100%

150%

200%

250%

300%

2018 2019 2020 2021 2022

$/Gbps relative transceiver costs[ 100m - 500m , high temp]

10G 25G 100G

Follow the transceiver cost curve for deployments



Macro with Massive MIMOCPRI vs. eCPRI

100G

100G

100G

100G

10G

10G

10G

10G

CPRI based design

200 Gb/s CPRI per antennaeCPRI based design

20 Gb/s eCPRI per antenna

64T64R, 16 layers, 100MHz air bandwidth


50%

100%

150%

200%

250%

300%

350%

400%

2018 2019 2020 2021 2022

Relative cost of a 100G vs. 10G transceiver[ 10km, Hi Temp]

10G 100G


NR Macro D-RAN SiteTransport options

4G Baseband

5G vPP virtual Packet Processing

5G vRC virtual Radio Control

CSR

5G RP

4G

RRU

4G

RRU4G

RRU

4G

RRU4G

RRU

4G

RRU4G

RRU

4G

RRU

NR

γNR

βNR

α

S1/X2/OAM

1-10G

F1

10G

Hub Site

Agg. Router Agg. Router

Macro Antenna Site

10GE, <5ms

F1, S1, X2, OAM

4G

RRU4G

RRU4G

RRU4G

RRU

CPRI

Packet

Network

eCPRI



$-

$200,000

$400,000

$600,000

$800,000

$1,000,000

$1,200,000

$1,400,000

$1,600,000

$1,800,000

$2,000,000

Existing Full Site on T1s Roof cabinet, Fronthaul

CapEx - Site Acq CapEx - Construction CapEx - Equipment 10 Yr OpEx

Rooftop Fronthaul 10 Yr savingsFiber & Smaller footprint

1.2MUSD savings over 10 yrs:

Monthly OpEx reductions:

Power: $500/Month

Site Rent: $3,300/Month

T1>Fiber: $10,000/Month

T1

Backhaul

Site

Rent

Power

Power

Rent

Fiber

Ca

pE

xO

pE

x

Op

Ex o

nly

(e

xis

tin

g s

ite

)

Equipment

Construction



5G NR Macro to C-RANTransport options

4G

RRU

4G

RRU4G

RRU

4G

RRU4G

RRU

4G

RRU4G

RRU

4G

RRU

NR

γNR

βNR

α

Macro Antenna Site

4G

RRU4G

RRU4G

RRU4G

RRU

CPRIeCPRI

S1/X2,

F1

CPRI

C-RAN Hub

eCPRI

vPP, vRC

Packet

Network

Fronthaul

10GE, <5ms

F1, S1, X2, OAM


Fronthaul

Fronthaul

Agg. Router

5G RP

4G Baseband


›5G NR Micro site on utility pole

–3 sectors, 1 band

›3x 28GHz NR

–2x 10G each, 6x10G total

›Passive DWDM Fronthaul

–Reduce fiber lease

›Latency requirement

–75µs one-way between NR and RP

–+/- 15km

5G NR Small Cells

Permits

Pole Lease

Fiber Lease



Sync distributionCritical for C-RAN Hubs

Agg.

Router

Router as

1588v2 GM

Agg.

Router

G.8275.1/2

Telecom Profile

Packet

Network

Backup

Grandmaster

Clock (GM)

G.8275.1

L2 Multicast

RP as G.8275.1

Slave Ordinary

Clock

Redundant GPS

to Router



5G is coming, ready or notChoose ready

› Prepare the RAN transport TODAY for tomorrows 5G

– Capacity

– Latency

– Queues & Buffers

– Synchronization

› Evolve current RAN transport network

– Match network with business goals

› D-RAN and C-RAN and V-RAN



Contact:[email protected]

https://www.linkedin.com/in/michaelgronovius/


mailto:[email protected]

reducing ran infrastructure resources by leveraging 5g ran transport technologies

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