Metnet brochure pdf

Metnet
The world’s first self-organising
small cell microwave backhaul
The small cell backhaul challenge
Small cells will be essential alongside LTE macro
cells to increase network densification to meet
future capacity requirements. But a lack of viable
backhaul has been a major roadblock to outdoor
deployment.
The more complex and dynamic nature of small
cell deployment means that traditional backhaul
technologies are often not sufficiently cost-effective
and flexible.
Mobile data traffic continues to surge and network operators are struggling to meet capacity requirements.
The CCS approach
CCS set out to create a totally new approach
with Metnet, the world’s first self-organising
small cell microwave backhaul.
It’s the only solution that meets all key requirements for high capacity and low latency,
reliability, rapid deployment and low-cost operation in a small, low-impact design.
Self-organising, self-healing links automatically reconfigure themselves to optimise
performance across a resilient, multipoint-to-multipoint architecture. It’s easy to
install each node in less than 15 minutes, with no need for radio planning or manual
alignment. And it’s easy to scale, with no need to re-align existing nodes as new ones
are added.
These unique attributes are key to delivering the lowest TCO for any small cell
backhaul technology. The CCS Metnet system enables small cell deployment in a
flexible, organic way, as additional capacity is required, maintaining a quality of service
that meets customer expectations.
The first commercial deployment was for China Mobile, the world’s largest mobile
operator, in one of the first live deployments of metro cells not just in China, but the
world.
We’ve won global recognition for our pioneering approach, which is a significant
validation of the unrivalled technical and business benefits our system delivers.
It’s the first backhaul solution that makes outdoor small cells truly viable.
“ A significant advance
for the communications
sector.”
IET, The Institution of Engineering and
Technology
“ Innovative architectural
approach to the significant
challenges of backhaul.”
Small Cell Forum
2014
Winner
The only small cell backhaul system
that meets all key requirements
Self-organising and optimising
Metnet nodes connect autonomously to form self-organising,
self-healing links that dynamically reconfigure to optimise
performance and spectral efficiency as LOS circumstances or
traffic levels change, whilst minimising interference. The system
polls the network continually and automatically determines
the optimal topology to deliver capacity where needed. Each
cluster runs a Spatial-TDMA transmission schedule, which
allows links to operate simultaneously to increase the overall
capacity delivered to each small cell location.
Small form factor
Form factor is critical in the small cell environment. The Metnet
system comprises small, lightweight and robust units for
discreet installation on street furniture, sides of buildings and
roofs. Each multipoint node has a wide 270-degree field of
view, so only one unit is required per site, rather than multiple
radios required by V/E-band solutions. This is not only more
acceptable to urban planners, but contributes significant
CAPEX and OPEX savings.
Each Metnet node has a wide 270-degree field of
view so only one unit is required per site.
Quick to deploy
Operators will ultimately need to roll out thousands of small
cells, so rapid, low-cost deployment is crucial. It takes less
than 15 minutes to install each Metnet node, with no need for
radio planning or manual alignment. The wide 270-degree field
of view with support for multiple connections, allows plugand-play installation by local contractors rather than telecom
engineers, which reduces CAPEX considerably. A single type
of outdoor unit with integrated power performs all network
functions, to further simplify deployment.
Lowest TCO
The Metnet system delivers the lowest TCO for any small cell
backhaul technology.
The Metnet system is designed for large-scale, low-cost
deployment and operation. Its unique, self-organising capability
coupled with a resilient multipoint-to-multipoint architecture
is key to delivering the lowest TCO for any small cell backhaul
technology. A recent analysis by Senza Fili estimated TCO
CAPEX savings of 42% and OPEX savings of 34% for CCS’ selforganising solution compared to V/E-band solutions. It’s the
first backhaul that makes outdoor small cells truly viable.
The unique combination of self-organising, self-healing links with a highly resilient multipoint-to-multipoint architecture.
Easy to scale
Low latency and high capacity
The expectation is that operators will gradually expand the
number and density of small cells over time – where and when
they are needed. There’s no need to re-visit existing sites when
new Metnet nodes are added, because existing nodes will
automatically re-organise and re-align. This creates large OPEX
savings compared to PTP systems, which will need continual
re-planning and re-alignment as the small cell network grows.
Interference management enables the system to scale to many
thousands of nodes. Only one unit is required to add a new link.
Designed with LTE in mind, the Metnet system accommodates
evolving traffic demands. It offers low latency – averaging
150μs per hop – and high capacity at 480Mbps per node or
960Mbps for dual-node installations. Ethernet QoS can be
provisioned to provide guaranteed capacity to the small cells.
Performance has been independently verified by Chronos
Technology.
High availability and resiliency
Each Metnet node is uniquely capable of providing GPS-derived
local master synchronisation (SyncE and 1588.v2) to the small
cell, enabling operation in challenging environments when
the small cell’s own GPS may fail. The system also supports
1588.v2 Transparent Clock from the core network to the small
cell. Metnet nodes can recover synchronisation and fall back
to core network-provided SyncE and 1588.v2. Distributed
timing recovery provides further synchronisation resilience to
overcome GPS failures.
The system has a unique multipoint-to-multipoint architecture
to provide higher resiliency and redundancy at no incremental
capex. Self-organising, self-healing links automatically re-route
traffic in the event of node failure or LOS obstacles, while the
unit's wide 270-degree field of view ensures it's not affected by
pole-sway. The system can be uniquely deployed in a hybrid
mesh, PTP and PMP topology for ultimate flexibility.
Flexible synchronisation
Planning and managing the Metnet system
The Metnet Element Management
System (EMS) is an intuitive,
web-based application to plan,
configure and monitor the network.
It provides simple topology views
together with industry standard
network management features.
Network status
Network management
Metnet backhaul networks are easily monitored and accessed
from a central management overview. The network topology
for all installations is provided based on accurate GPS locations.
Radio link status and quality can be queried for each node in
real time. Street map and satellite views are also available.
Fault management
Network planning
The EMS includes an integrated planning tool for operators to
model a Metnet multipoint-to-multipoint backhaul network,
to determine the optimal location and configuration of units to
meet network requirements.
Operators can plan extensions to existing small cell networks to
understand the effect of adding new sites and ensure backhaul
requirements are met.
A detailed view of all alarms across the network is provided,
with the ability to query the alarm status of each node and link.
Current alarms and historical statistics can be filtered based on
priority and Metnet node ID to aid troubleshooting, which can
be exported into a data file for backup and further analysis.
Configuration management
Bandwidth can be assigned on a per-node basis for both peak
and mean traffic demands, and in the uplink and downlink
directions. Based on Metnet node demands, the system
automatically configures the network topology and resources
to best meet requirements.
Performance management
Detailed node and link statistics are accessible over selected
periods of time. Link traffic, RF parameters and Metnet node
statistics such as traffic, latency and temperature can all be
added to interactive graphs to aid troubleshooting. Data is
exportable in industry standard formats.
Network upgrade
New software releases can be remotely upgraded and
managed throughout the Metnet backhaul network. These can
be scheduled for automatic Installation with minimal operator
input required.
Northbound interface
Northbound SNMP fault and performance management is
provided for integration into operators’ central monitoring
systems, along with northbound exportable data in industry
standard formats.
The Metnet Element Management System provides a network-wide
view and real-time performance monitoring.
Metnet node specifications
Metnet self-organising node
Technology
Capacity
Self-organising multipoint-to-multipoint system
480Mbps – single node
960Mbps – dual node
112MHz channel
In a dense urban environment, the use of Spatial TDMA will allow the simultaneous use of the same RF channel.
Nodes employ dynamic interference monitoring to minimise inter-node interference, thereby optimising
capacity from the efficient use of spectrum
Radio
Frequency bands
Antenna
26GHz, 28GHz
Future support for higher
frequency bands
Standards conformance
ITU-R F.748-4 & CEPT ERC 13.02E
ETSI/R&TTE Approved and CE
Compliant. FCC
Radio access method
TDD
Future support: FDD, Dual-TDD
Radio transmit power
+24dBm
Power control
Adaptive
Channel sizes
112MHz, 100MHz (USA)
Single frequency channel used
across all nodes
Modulation and coding
Hitless Adaptive Modulation and
Coding using FEC and LDPC
Services
Ethernet Services and QoS
Antenna gain
Antenna coverage
Native Ethernet
802.1Q (VLAN tagging)
802.1p (Class of service)
802.1ad (QinQ)
Differentiated Services Code Point
(DSCP)
1588v2 Transparent Clock
Size
Weight
Range
Interfaces
Proprietary distributed radio
synchronisation to overcome GPS
failures
Typically 150μs per hop
Scalability
Interference management enables
the system to scale to many
thousands of nodes
External high-gain directional
antennas
Standard node - +19 dBi
High Gain - +31dBi
Standard node - 270° horizontal x
20° vertical
High Gain node - 4° horizontal x
4° vertical
Standard node - 185mm height;
202mm diameter
High Gain node - 260mm height;
535mm width; 270mm length
AC 100V – 240V / 50-60Hz, 48
VDC and PoE
Power connection via IP67-rated
connector
Standard node - 4.2kgs
High Gain node - 6.85kgs
Standard node - up to 1km
High Gain node - up to 2kms
Recovery from core network
SyncE and 1588v2
Latency
Integrated wide beam width highgain antennas
Unit characteristics
Power requirements
GPS-derived synchronisation
providing local master SyncE and
1588v2 clock to the small cell
Synchronisation
Antenna options
Further information
Please visit www.ccsl.com for more information on CCS and our products.
2 gigabit Ethernet interfaces are
exposed externally via IP67-rated
connectors
Cambridge Communication Systems Ltd
3rd Floor, Mount Pleasant House
Huntingdon Road
Cambridge CB3 0RN
United Kingdom
+44 (0)1223 314197
info@ccsl.com
www.ccsl.com
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