Evolution of Maritime Satcoms Services & Equipment: Technical Innovation … · Evolution of Maritime Satcoms Services & Equipment: Technical Innovation for an Expanding Market June

Evolution of Maritime Satcoms

Services & Equipment: Technical

Innovation for an Expanding Market

June 2013

Mike Gold

VP Sales, Europe, Russia and Israel

Comtech EF Data

Technical Innovation...Why?

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Comtech EF Data Proprietary 3


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Technical Innovation…Why?

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MORE DATA!

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FEED ME!

• Reasons for this win

• The opex to run the network stays the same, but the throughput to each ship

will be increased dramatically

• The legacy system could not support the market driven network growth

• Comparing the alternatives, their 5 year analysis shows that the Comtech

system will save multiple $M over the existing legacy technology

FEED ME!

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O3b Networks claims that the service, O3bMaritime, will deliver over 500Mbps in aggregate

bandwidth to a single vessel. It will also offer much lower latency, some 1256m satellite to ground round

trip time, than the 550ms latency Inmarsat's geostationary satellites.

Inmarsat's FleetBroadband service for ships offers only 432kbps. Iridium - which is a low earth orbit satellite system - offers OpenPort,

which it bills as a 'broadband' service but maximum bandwidth is only 128kbps. Iridium is planning to launch starting in 2015 a new

constellation of 66 low earth orbit satellites that will offer bandwidths up to 8Mbps - still well short of what O3b is promising.

However it is not clear how many vessels O3b will be able to support with the service. It claims to achieve its impressive bandwidth with

"... dedicated steerable beams [that] will track a ship's course continuously, optimising performance for the guests onboard."

It is positioning the service as a competitive differentiator for cruise ship operators. "Cruise operators facing increasing competition from

luxury shore based resorts no longer need to suffer the performance compromise necessitated by today's maritime connections, O3b

says.

"Guests can surf, download, work, watch, speak and stream in the same way they do on land, unlocking new revenue opportunities for

operators and reinforcing best-in-brand service in all aspects of the cruise experience."

O3b promises 500Mbps broadband to ships at sea

O3b Networks - the company planning a global network of low earth orbit

broadband satellites - is set to take on long time maritime communications market

leader, Inmarsat, with a broadband service for ships that it claims will offer much

higher bandwidths that presently available.

• Reasons for this win

• The need existed for constant monitoring of cargo status

• Constant monitoring = lowered insurance costs

• Because of the required Committed Information Rate, a TDMA

return link was dismissed

FEED ME!

8

Where to Innovate?

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Present Future

Antenna Technology

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Past Future Present

Satellites

• Emphasis on maritime friendly satellites

only a recent development

• Large deployment of High Throughput

Satellites (HTS)

• Multi-Spot Beam (MSB) architectures

• Hybrid Ka/Ku/C systems

= more performance, more

coverage, more ground choices!

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Baseband Ground Equipment

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• Two main types of access schemes – SCPC and

TDMA systems

• Source of most of the “revolutionary” innovations in

the past 10 years.

• Technology focus on “maritime market” only a recent

emphasis.

• Many of the new innovations will be in overcoming

the unique challenges of maritime operations.

– Ships move

– They are hard to get to

– Not an equipment friendly environment

Four Pillars of Optimizing

Throughput

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Coding Gain

Physical Layer Enhancements

Adaptive Coding and Modulation

WAN Optimization

Coding / FEC

(Forward Error Correction)

• Does not change your Signal to Noise ratio

• Does nothing to improve your signal quality

• FEC’s simply correct errors lost in transmission

• But not all FECs are created equally

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Coding / FEC

(Forward Error Correction)

• Shannon-Hartley Bound: There is a maximum bound

on the amount of error free data that can be

transmitted though a noisy transmission medium

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Coding Type Vs. Shannon Bound

Sequential or Viterbi + 4-8 dB

Turbo Product Codes + 2-3 dB

Versa FEC + 1-2 dB

DVB-S2 / DVB-S2-EB1 + 0.7 – 1.5 dB

Advances in Coding Gain on:

Fixed BW Maximize Throughput

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Vit + RS TPC DVB-S2 DVB-S2-EB1

Fixed C/N 6.0 dB 6.0 dB 6.0 dB 6.0 dB

Best Modulation /

Coding for Es/No

QPSK ½ QPSK ¾ QPSK 5/6

(.827)

QPSK

155/180

Spectral Efficiency 0.92 bits / Hz 1.5 bits / Hz 1.61 bits / Hz 1.67 bits / Hz

BW = SR 5.0 MHz 5.0 MHz 5.0 MHz 5.0 MHz

User Data Rate 4.6 Mbps 7.5 Mbps 8.1 Mbps 8.4 Mbps


Throughput

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Coding Gain



WAN Optimization

Carrier Manipulation

• Carrier in Carrier

– Use cancellation techniques in duplex circuits to take

advantage of BW re-use and balance PEB

• Reduced Roll Off Figures (ROF) DVB-S2-EB1

– Allows carriers to use more symbols in a given amount of

allocated BW

• dSCPC (Dynamic SCPC)

– Allows carriers to be dynamically created and sized to the

remote site data demand

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DoubleTalk® Carrier-in-Carrier®

• Based on patented “Adaptive Cancellation”, Carrier-in-Carrier (CnC) allows carriers in a Duplex satellite link to occupy the same transponder space

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Without DoubleTalk Carrier-in-Carrier With DoubleTalk Carrier-in-Carrier

Carrier-in-Carrier is a Registered Trademark of Comtech EF Data

DoubleTalk is a Registered Trademark of Applied Signal Technology, Inc.

Carrier in Carrier (CnC) Advantage

• What type of advantage is CnC?

– CnC is a calculable and definitive advantage

– CnC is a static, unchanging advantage

– The advantage due to CnC will not change as conditions

change

– Throughput increases and BW/Power savings are

guaranteed for the life of the circuit

• What are the restrictions?

– Both ends of the link must be able to see their own uplink

– Asymmetric circuit ratios (3:1) based on Symbol Rate

– Power ratio limitations on TX vs. RX (+/-7 dB PSD)

Extreme Spectral Efficiency

• Carrier-in-Carrier can be used to achieve

extreme spectral utilization that would not

otherwise be possible

• Best DVB-S2 Spec Efficiency = 4.45 b/Hz

– Asia: 16APSK ¾ FEC --- 90 Mbps DPLX in 15.5MHz

Spectral Eff = 5.78 b/Hz = 64QAM

– US: 32APSK ¾ FEC --- 217 Mbps DPLX in 30MHz

Spectral Eff = 7.24 b/Hz = 256QAM

– THESE ARE CABLE MODEM FIGURES

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Additional Roll Off Figures

• Roll off Figures (ROF) also referred to as “alpha” or

“α” change the spectral shape of a carrier

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New Roll Off Figures

15%, 10%, 5%

Lower ROF Advantages

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• What is the advantage to lower ROF figures? – ROF can be used to calculate occupied BW by some satellite

operators

– Reducing your ROF may reduce your occupied BW and thus

reduce your BW payment

– Alternatively you can keep your occupied BW and increase your

Symbol Rate

• What are the restrictions / drawbacks? – Reducing occupied BW will reduce your available Power Equivalent

BW (PEB) which reduces Es/No by about the same % as your

savings in BW

– Keeping occupied BW and power fixed while increasing your

symbol rate will lower the Es/No by about the same % as your

increase in Symbol Rate

– Many operators may not let you use SR+ROF as occupied BW

dSCPC

• SCPC Negatives

– Each remote requires its own fixed space segment

– Bandwidth is often underutilized because space

segment is designed for peak period

• dSCPC –Dynamic SCPC

– Creates a custom sized SCPC circuit at the time it is

required

– Allows each site to be modeled on “average data rate”

instead of peak data rate

This allows sites to get SCPC performance and

“shared” bandwidth economics!

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Dynamic SCPC (dSCPC)

• dSCPC provides dynamic bandwidth and carrier

management

– Share pool(s) of bandwidth with other terminals

– Bandwidth can be increased or decreased on demand

– Lossless switching

Entry Channel

Shared Outbound BW Pools

25 Comtech EF Data Proprietary


Throughput

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Coding Gain



WAN Optimization

Adaptive Coding & Modulation

(ACM)

Adaptive Coding & Modulation (ACM)

• Adaptive Coding & Modulation (ACM)

converts the link margin into increased

capacity – average throughput gain of

100% (or more) is possible, compared

to traditional CCM

– Most of the year, the link operates at

significantly increased throughput

– For the worst few hours of the year, the link

may be available with lower throughput

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Overall Link Margin

• ACM’s value is in the conversion of Link Margin

• Greater the Link Margin the greater the value of ACM

• Most Link Margin boils down to two main factors:

– Link availability (99.8% vs. 99.6%)

– Effects of Rain Fade (Ku-Band vs. C-Band)

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Throughput

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Coding Gain



WAN Optimization

Proper Pt-Pt ACM Implementation

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Monitor WAN

Capacity

Ingest Data

WAN OP

Prioritize Data

based on filter rules

Drain Data

Based on drain rules

Monitor WAN Capacity

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FX QOS/PEP CDM-760

Feedback

TX Capacity

• Constant monitor of the CDM-760 TX WAN capacity

ensures QoS / WAN OP are enforced and maximize

throughput

Voice

Voice

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Ingest Data

FX QOS/PEP

Signalling Voice

Video

HTML Signalling

Voice Video

HTML

• Data Ingest of all traffic destined for the WAN

All Traffic Ingested


Prioritize Data

• Various rules and filters can be used

• All traffic is associated with a priority classification

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Voice Voice

FX QOS/PEP

Signalling

Video

HTML

Signalling

Voice

Video

HTML

Rules / Filters

Protocol

IP Subnet

VLAN ID

DiffServ

Destination Port

Priority Classification

1

2

3

4


Data Drain

• Drain rules are applied to minimize latency and

ensure high priority traffic maintains CIR

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Voice Voice

Signalling

Video

HTML

Signalling

Voice

Video

HTML

Priority Classification

1

2

3

4

Drain Options

Strict Priority

Fair Weighted

Min / Max

Signalling

Signalling

Voice

Voice

Video

Drain Algorithm

WAN Optimization

• Stampede FX add WAN optimization

• TCP Acceleration & Optimization

– Mitigating the effect of “network induced latency”

• Reduces content that needs to traverse the satellite link

– Data compression

– JPEG image reduction & smoothing

– Caching

– Dynamic Data Suppression

(de-duplication)

• Application Acceleration

• Traffic Management

– QoS/Traffic Shaping


Global Roaming

Global IP Roaming


ROSS

• Roaming Oceanic Satellite

Server (ROSS) is the

onboard mobility controller

on a vessel

• Interfaces to the Modem

and the Antenna Control

Unit (ACU)

• Monitors location and

performs beam handover by

providing new pointing

information to the ACU and

the new transmission

parameters to the modem

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Terminal


Pedestal M&C

GPS Info

TX L-Band

RX L-Band

RX L-Band

110/220 VAC

110/220 VAC

CDM-840

Ethernet Switch

110/220 VAC

LAN 100/1000BaseT

ACU

Above Decks

Below Decks

LAN 100/1000 BaseT

PC (Internet/

Intranet/e-mail)

1 2ABC

3DEF

4 5JKL

6MNOGHI

7 8TUV

9WXYZPQRS

* 0OPER

#

7960CISCO IP PHONE

imessages directories

settingsservices VoIP

Video Streaming

LAN 100/1000 BaseT

LAN 100/1000 BaseT

LAN 100/1000 BaseT

Video

Conferencing

dSCPC

ECM

DVB-S2

ROSS Controller

LAN 10/100BAseT M&C

110/220 VAC

Antenna HW CNTL

ROAM

• Comtech’s ROSS Open Antenna Management

protocol (ROAM)

• Adopted by

– SeaTel

– Orbit Marine

– Intellian

– Thrane & Thrane

– KNS

– Mitsubishi

– SpaceTrack


NetVue

Integrated Management System

Full Featured Core Features

• Web based access • Authentication & security • Real-time status • Alarm management • Hierarchical network view • Integrated RF spectrum view • Dashboards • Reporting

Optional Features • Performance management • Custom Reporting • Correlation • Automation

Future Features • Service management • SLA management • Mobility • Notification

43 Comtech EF Data Proprietary &

Confidential

NetVue IMS Architecture

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IP NETWORK Hub-1

Hub-2

Comtech NetVue IMS

NetVue IMS

1U 19” Server

MOXA Serial Gateway

1U 19”, 16 or 32 serial ports

REMOTE SITES

in-band communications to remote modems

serial interfaces

• Centralized Comtech NetVue IMS server

• IP communications to all hub equipment

• Serial Gateway at each hub to convert any serial interfaces to IP

• In-band satellite communications with modems on remote sites

• User can access the system from anywhere,

only requirement is IP connectivity to NetVue IMS server

IP communications for data collection on all hub

equipment and remote site equipment

Users can connection from any location, the only

requirement is IP connectivity to the Comtech INMS server

Hub-3

Comtech EF Data Proprietary &

Confidential

BW Monitoring – Total Customer BW


Confidential

BW Monitoring – Customers

within Beam


Confidential

BW Monitoring – Within Beam

(By Traffic Type)


Confidential

BW Monitoring – Within Beam

(By Application)


Confidential

Advanced Communication Solutions

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Featured Products

Advanced VSAT

Solutions

Portfolio of high-

performance

bandwidth-efficient

solutions

Satellite Modems

CDM-750

CDM-625

CDM-625-EN

CDM-570/L-570/L-IP

CDM-570/LEN-570/L-

IPEN

SLM-5650A

DMD2050

DM240XR

RAN & WAN

Optimization

Memotec CX-U Series

Stampede FX Series

Memotec NetPerformer

Managed Bandwidth

Vipersat Management

System (VMS)

SkyWire MDX420

Satellite Network

Gateway

RF Products

Indoor Products

Frequency

Conversion

L-Band

70/140 MHz

Outdoor Products

Frequency

Conversion

L-Band

70/140 MHz

Amplifiers

Product Positioning

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128 Kbps 256 Kbps 512 Kbps 1Mbps 2Mbps 15Mbps 34Mbps 155Mbps

Dynamically Managed Returns

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Hub VMS Location

Remote VSAT 1

CDM 840 Remote Router

DVB-S2

DVB S2

All carrier sizes shown as example only

VersaFEC dSCPC ReturnECM Contrl CH

LAN

VMS-Server

CTOG-250

CDD880Multi-Receive Router x 2

CDM 800 Gateway

LAN

Remote VSAT 2


LAN

Remote VSAT 3


LAN

Comtech EF Data Proprietary

Return Channel ACM

• Based on VersaFEC ACM

• Allows for automatic change in modulation and code rate in

response to changing link conditions

• Very useful feature for Ku where excessive link budget

margins is build up

• Optimizes channel coding and modulation on a frame-by-

frame basis

• Allows each remote to operate optimally subject to antenna

size, location within the footprint, rain fade and other

impairments


Group QoS

• Group QoS enables multi-level QoS for the shared

outbound

– Provides additional flexibility and control to the network

operator

• Group QoS is fully integrated with ACM / VCM

• Groups are defined by one or more IP address/ subnet

• Each group is assigned a CIR and MIR

• Within the group, QoS can be based on

– DiffServ

– Min/max

– Max/priority

• Detailed stats are provided

• For VCM, MODCODs are assigned to each group


Conclusions/Summary

• The need for “Big Data” in the maritime market is

inevitable.

• Current innovations in the satellite baseband systems

make VSAT business cases justifiable for a large part

of the commercial maritime market.

• Coming changes in satellite and antenna systems

allow all segments of the maritime market to justify

and benefit from satellite communications.

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TDMA Systems Have a Limited

Future

• Higher data requirements means less opportunity to

“share”

• TDMA systems have inherent overheads and

latencies.

• The required efficiencies rely on new features that

aren’t available/cost effective in TDMA.

• Applications such as voice and skype video are

“symmetrical”, real time traffic profiles…not ideally

suited for TDMA

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Industry Awards &

Recognition

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Comtech Maintains Market

Leadership in SCPC And

Satellite Mobile Backhaul

Best Backhaul Solution for

Africa Award

Advanced VSAT Solutions

Product of the Year Award

Comtech Named Dominant

SCPC Satellite Modem

Manufacturer

CDM-750 Modem

2011 Leadership Award

CDM-750 Modem

2010 North American New

Product Innovation of the

Year Award in Satellite

Communications Modems

CDM-625 Modem

2010 Teleport Technology

of the Year Award

&

DoubleTalk® Carrier-in-

Carrier®

2007 Teleport Technology

of the Year Award

MetaCarrier®

2012 Industry Innovators

Award

Documents

Evolution of Maritime Satcoms Services & Equipment: Technical Innovation … · Evolution of Maritime Satcoms Services & Equipment: Technical Innovation for an Expanding Market June