Presentation held at POF Symposium, OFC 2017. Topic: Research project about the future of in-building and in-home communication technologies; details: CoolPOF, G.hn, G.9960, HomePON, technology and chipsets, SDN / NFV solutions.

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High Bitrate Transmission over SI-POF
Marco Dietrich, Philipp Neuber, Dr. Andreas Bluschke, Philipp Rietzsch

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Content
▪ Introduction
▪ CoolPOF activities as starting point
▪ Overview and news about G.hn?
▪ News from the POF? àHomePON
▪ Future investigation using virtualisation
▪ Conclusion and outlook

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CoolPOF activities as starting point
Core messages from earlier OFCs
Introduction – CoolPOF
CoolPOF was a project inside the Saxon Cool Silicon excellence cluster with the following partners:
- albis-elcon system Germany GmbH
(former: ELCON Systemtechnik GmbH)
- Teleconnect GmbH
- ZAFT e.V. within HTW Dresden
Goal: Development of an energy-efficient
POF media converter for bit-rates higher than Fast Ethernet
Realisation based on new ITU-T recommendation G.9960
(aka G.hn)

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G.hn supports a set of media for transmission
▪ G.hn has been standardized/recommended by the ITU‐T as G.9960
and is approved by over 190 countries
▪ G.hn is the unification of POF‐, coax‐, phoneline‐ and powerline transmission systems
G.hn
power-
line
phone-
line
coax
SI-POF
simplex
SI-POF
duplex
G.hn
power-
line
phone-
line
coax
SI-POF
simplex
SI-POF
duplex

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Using G.hn technology for high bitrate communication
▪ G.hn profiles can scale data rate
from kbps to > 2 Gbps
▪ Power consumption and complexity of devices
are proportional to the supported throughput
▪ Max throughput (PHY rate) is proportional
to the product of Bandwidth x
Spectral Efficiency x Duty Cycle
▪ Full interoperability between low-complexity
and full-performance devices

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Do you remember?
Our presentation at the OFC 2012

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Do you remember?
Our presentation at the OFC 2013

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OFC 2014
How is that positioned today?

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What are the news from G.hn?
A short update
ITU G.9960 Bandplan „200 MHz – SB“ can now be reality!
G.hn chipsets are available now for 200 MHz!
2 Gbps are possible now to reach for G.hn-based connections!
11/2016 Rec. ITU-T G.9960 (2015)/Cor. 3
Extension of 200 MHz-baseband profile

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G.hn chipset vendors (today mainly for 100 MHz profile)
▪ HiSilicon
▪ Marvell Semiconductor
▪ Metanoia Communications
▪ Sigma Designs
▪ Triductor Technology
▪ Xingtera

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G.hn chipset for 200 MHz
Marvell Wave-2:
Marvell’s 88LX5153 digital baseband processor and Marvell’s 88LX2730 analog front-end
chipsets are fully ITU-T G.hn standard-compliant for interoperable solutions:
- 2 Gbps PHY rate
- Chipset size fits easily into an SFP along with its low power consumption
- Powerline, coax, phone line and POF in a single technology, reducing overall costs and
time to market
- Compliant with ITU-T G.9960/61/62/63/64 (including 200 MHz coax and 100 MHz MIMO
powerline band plans)
- Compliant with ITU-T G.9979 and IEEE 1905.1a
- Compliant with Broadband Forum TR-069
- Compliant with IEEE 802.1 and IEEE 802.3
- Available in both Commercial and Industrial grade
- Fully interoperable with previous generation of 1 Gbps G.hn products

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Very hot measurement results for G.hn 200 MHz
PHY rate: 1802 Mbps
Throughput: 1745 Mbps
for profile COAX 200 MHz
SNR
Throughput
(RFC2544)

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Do you remember our results from 2014?
In 2017 PHY rate nearly
two times higher (2x)
(for electrical connection)!
Great progress!
How can this progress be used
for optical communication?
We will test it for POF/ GOF
later on.
POF: Plastic
GOF: Glas

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Our recent activities
▪ Adding following technologies to the G.hn scenario:
A) PON-like environments for POF and GOF
B) GOF (Glas Optical Fiber)
C) Free Space Optics / Visible Light Communication (VLC)

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What are the news from the POF?
à HomePON (earlier called POF PON)

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HomePON example using POF
▪ Provides network access to three
independent flats in one apartment
house
▪ Domain master is connected to the
three flats using a transmissive star
coupler.
▪ Nodes are not able to directly
communicate with their neighbors
(typical for access networks)
▪ Node-to-node communication can
be allowed by the domain master
acting as a repeater.
Flat
1 Flat
2
Flat
3
G.hn
node
1x3
G.hn
domain
master
G.hn
node
G.hn
node
Basement

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Example link power budget
for 3-node HomePON using POF
▪ optical source (+8 dBm) inside the domain master node
▪ 2×3 transmissive star coupler (POF splitter)
▪ optical output power of 0 dBm available on the connectors of POF splitter
▪ losses by the couplers can be compensated and loop lengths of 50 m SI-POF can be realized
▪ opposite direction is re-
alized by a green LED with
0 dBm optical transmitting
power in this example
▪ POF PON over 50 m
standard SI-POF
with a power margin of
about 7 dB
▪ minimum receiver sen-
sitivity of ‑20 dBm
-9 dBm -13 dBm
optical interface (OIF)
opt. Transmitter
opt. Receiver
OIF+8 dBm
+7 dBm
+1 dBm
+0 dBm -8 dBm
0 dBm-1 dBm
-2 dBm
-7 dBm
-8 dBm-9 dBm-13 dBm
50 m
SI-POF
...
...

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HomePON in the European Standardisation:
ETSI TS 105 175-1-1 V.1.1.1 (2015-10)
4.5.5 G.hn
G.hn (ITU‑T Recommendation G.9960 [i.1]) is the big strategic move of the home networking
industry trying to join together all the cable technologies in the home, coaxial, phone line and
power line, guaranteeing interoperability.
The bit rates provided by G.hn go up to several hundreds of Mbps. G.hn will be used in most of
the houses where the existing cabling provides enough coverage. QoS is stable during
operation time for all types of wires.
G.hn provides both prioritized and parameterized QoS und solves the PLC problem of shared
media by a Neighbouring Domain Interference Mitigation (NDIM) function. There are also some
issues in some EU countries with the radiated power of these technologies.
Further G.hn advantages are information privacy by end-to-end encryption, and profiles adapted
to complexity of CPE, e.g., residential gateways with high data rate and home automation
devices with low data rate.
Usage of star topology and passive optical splitters in simplex POF networks offers
P2MP and MP2MP communication possibilities.

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G.hn – transceiver variants
electrical
duplex wireless
simplex
MACPHY
G.hn
DFE
DAC
G.hn
AFE
ADC
GbE
PHY
el.
transceiver
Coax,
Powerline
or
Phoneline
opt.
transmitter
opt.
receiver
opt.
transceiver
light
TX
light
RX
opt.
receiver
light
RX/TX
directional
coupler
opt.
transceiver
G.hn
Chipset
opt.
transmitter
ourextensionstoG.hn

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HomePON with GOF in the European Standardisation:
ETSI TS 102 247 V.1.1.1 (2015-09)
Architecture No. 1 – centralized mode
according to ITU-T G.9960 (G.hn) – P2MP
On the Access Network side a RG/IAD/ONT/ONU
with for instance GbE interface is located. The
G.hn module is connected to a 1:N Splitter.
(1 : 2; 1 : 4; 1 : 8.... are possible) using an optical
DMT Frontend (OFE). The N splitter ports are
connected to N G.hn modules using N OFEs.
The OFE can be realized as BIDI modules
working for example at 1300 nm.
This setup does not allow the direct
communication between customers (splitter
ports). The communication between the
customers (splitter ports) can only be realized via
the uplink port (the 1 in 1:N; northbound port in
the figure above).

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HomePON with GOF in the European Standardisation:
ETSI TS 102 247 V.1.1.1 (2015-09)
Architecture No. 2 – peer to peer-mode
according to ITU-T G.9960 (G.hn) – MP2MP
On the Access Network a RG/IAD/ONT/ONU
with for instance GbE interface is located. The
G.hn module is connected to a 1:N Splitter.
(1 : 2; 1 : 4; 1 : 8.... are possible) using an optical
DMT Frontend (OFE). The N-1 splitter ports are
connected to (N-1) G.hn modules using N-1
OFEs. The common port of the 1:N splitter (1 in
1:N) is equipped with an mirror.
The OFE can be realized as BIDI modules
working for example at 1300 nm.
This setup does allow direct communication
between customers (splitter ports).

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G.hn media overview (current status)
G.hn
power-
line
phone-
line
coax
SI-POF
simplex
SI-POF
duplex
GOF
simplex
GOF
duplex
POF/GOF
PON
Free Space
Optics /
VLC
G.hn
power-
line
phone-
line
coax
SI-POF
simplex
SI-POF
duplex
GOF
simplex
GOF
duplex
POF/GOF
PON
Free Space
Optics /
VLC
G.hn
power-
line
phone-
line
coax
SI-POF
simplex
SI-POF
duplex
G.hn
power-
line
phone-
line
coax
SI-POF
simplex
SI-POF
duplex
G.hn
power-
line
phone-
line
coax
G.hn
power-
line
phone-
line
coax

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Further investigation using virtualization
▪ buildup highly connected
systems using virtualization
methods
▪ reduce the system costs (TCO)
▪ enhance the flexiblity of
new services and applications
at the user side
▪ make the configuration and
provisioning easier
▪ reduce latency
▪ improve performance,
QoS and QoE

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CLOUD sphere
USER sphere
Further investigation using virtualization
Packet Forwarding Hardware
Feature Feature
Packet Forwarding Hardware
Packet Forwarding Hardware
Packet Forwarding Hardware
Operating
System
Operating
System
Operating
System
Operating
System
Network OS
Feature Feature
Feature Feature
Feature Feature
Feature Feature

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Further investigation using virtualization
West East
AEOS as operating system
Metro Integrator (Hybrid mode)
SDN Controller
OpenFlow
OpenFlow
Service Mgmt
Perf Mgmt
Fault Mgmt Network Service
Functions
OF-Config
Gateway Hardware
NETCONF SNMP NETCONF
REST / SOAP
SDN/ NFV Applications
REST, etc

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Conclusion and outlook
▪ 200 MHz G.hn chipsets available now and Phy rates doubled in early tests
▪ Numerous media added to G.hn possibilities
▪ Future investigations using virtualisation to:
- reduce the system costs (TCO)
- enhance the flexiblity of new services at the user side
- make the configuration and provisioning easier
- reduce latency
- improve performance, QoS and QoE

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albis-elcon system Germany GmbH
Obere Hauptstrasse 10
09232 Hartmannsdorf
Germany
Marco Dietrich
(marco.dietrich@albis-elcon.com)
Philipp Neuber
(philipp.neuber@albis-elcon.com)
Teleconnect GmbH
Am Lehmberg 54
01157 Dresden
Germany
Dr. Andreas Bluschke
(blua@teleconnect.de)
Philipp Rietzsch
(riep@teleconnect.de)
Contact

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Thank you very much!

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technical progress. Errors and printing mistakes may occur. 29
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