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NP-1098

Introduction ofMaritime VSAT Antenna (Ku-Mate)

June 2011Mitsubishi Electric Corporation

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NP-1098

FEATURES:

1. 1.0 meter dish with 8W Block up converter (BUC )2. Eutelsat EESS 502 STANDARD M approved3. Robust and reliable antenna control keeping sa tellite

tracking error of ±±±±0.2deg. compliant with ITU-R requirementunder severe vessels motion and vibration condition

4. 3-axes stabilized mount for full hemispherical coverage at severe motion condition

5. Single IF cable between ADU and BDU multiplyi ng Transmit, Receive and control signal

6. Quickly and easily replaceable components for easy maintenance7. Easy to maintain and diagnosis by user-friend ly PC based

program 8. Compatible with MODEM of iDirect and KVH(ViaSa t)

1 Ku-Mate

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NP-1098

ADU

SX-5031,5033

ACU

KU-100AC

/HS-4030

BUC

MOTOR

ENCODER

Vessel UPS50/60Hz

ROUTER(Vessel LAN)

TX IFRef 10MHz

HeadingNMEA0183 (HE,HC HDT HDM)

ViaSatMODEMRX IF

100-240 VACGyroCompass

Ethernet

MOTOR

ENCODER

MOTOR

ENCODER

DIP

DCM

LNA

MPS

ASM

ADM

GPS

MOTOR

ENCODER

LNA

KVHServer

Above Deck Below Deck

ADU

ACU

4

NP-10982. Major Performance1m Antenna

Reflector Size 1mRadome Size Approx. 1.60m(D) x 1.75m(H)Weight Approx. 175kgMount 3-axis servo controlTransmit 14.00 - 14.50 GHz / 950 - 1,450 MHz

13.75 - 14.50GHz /950-1,700MHz(option)Receive 10.95 - 12.75 GHz / 950 - 1,700 MHzTransmit LinearReceive Linear Transmit >30dBReceive >30dB

49.0dBW typ. @14.25GHz with 8W BUC18.4dB/K typ. @12.50GHz

Method Conical Scan + Rate SensorAccuracy +/- 0.2 deg. (o-p)Az 540 deg. (continuous)El -25 to +115deg.Average 40m / secMaximum 60m / secRoll +/-30deg/ 7secPitch +/-10deg/ 5secYaw +/- 4deg/ 20secTurning Rate +/- 6deg/sec

Vessel I/F Navigation Gyro Compass (NMEA0183)Temperature -25 to +55 degCDamp-Heat +40degC 93%RH 1cycle

100-240VAC 50/60Hz +/-5%

(*Note) Comply with IEC60945

Gimbal Angle Coverage

System EIRPSystem G/T

Power Supply

Environmental Condition (*)

Vessel Motion

Item

Antenna

Wind Load

RF/IF Frequency

Polarization

Cross Polarization Discrimination

Tracking

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NP-1098Radiation Performance

-20

-10

0

10

20

30

40

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180

Offset Angle [deg]

e.i.r.p. densi

ty [

dB

W/40kH

z]

Co-pol

Off-axis(Co)

-20

-10

0

10

20

30

40

-180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180

Offset Angle [deg]

e.i.r.p. densi

ty [

dB

W/40kH

z]

Co-pol

Off-axis(Co)

Pattern freq.14.25GHz E-plane Pattern freq.14.25GHz H-plane

Low side lobe radiation pattern,Eutelsat EESS 502 STANDARD M approved

Ku-Mate can transmit power density up to 39.7dBW/40kHzdue to well suppressed side lobe radiation pattern.It enables Ku-Mate to transmit higher EIRP density than othercompetitor’s VSAT !

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NP-1098

Fig.5.2Fig.5.2Fig.5.2Fig.5.2----2 Tracking test2 Tracking test2 Tracking test2 Tracking test

Under high elevation conditionUnder high elevation conditionUnder high elevation conditionUnder high elevation condition

Tracking performance test under specified motion condition

Fig.5.2Fig.5.2Fig.5.2Fig.5.2----3 Tracking test3 Tracking test3 Tracking test3 Tracking test

Under low elevation conditionUnder low elevation conditionUnder low elevation conditionUnder low elevation condition

Tracking Performance

Repeated and accurate verification provide reliable tracking performance

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NP-1098

Tracking Error performance under specified motion condition

TRACKING ERROR,RSSI（Elevation+25deg　ROLL±30deg/7sec PITCH±10deg/5sec YAW±4deg/14sec）

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0.16

0.18

0.2

0 50 100 150 200 250 300

Time（sec）

Tra

ckin

g Err

or（

degr

ee）

-45

-44

-43

-42

-41

-40

-39

-38

-37

-36

-35

RSSI（

dBm

）

Tracking Error

RSSI

TRACKING ERROR,RSSI（Elevation+55deg　ROLL±30deg/7sec PITCH±10deg/5sec YAW±4deg/14sec）

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

0.16

0.18

0.2

0 50 100 150 200 250 300

Time（sec）

Tra

cki

ng

Err

or(

degr

ee）

-45

-44

-43

-42

-41

-40

-39

-38

-37

-36

-35

RS

SI（

dB

m）

Tracking Error

RSSI

Fig.3.1Fig.3.1Fig.3.1Fig.3.1----4 Tracking Error result4 Tracking Error result4 Tracking Error result4 Tracking Error result

At Elevation angle 25deg.At Elevation angle 25deg.At Elevation angle 25deg.At Elevation angle 25deg.

Roll+Roll+Roll+Roll+----30deg.7sec, Pitch+30deg.7sec, Pitch+30deg.7sec, Pitch+30deg.7sec, Pitch+----10deg./5sec, Yaw+10deg./5sec, Yaw+10deg./5sec, Yaw+10deg./5sec, Yaw+----4deg./14sec4deg./14sec4deg./14sec4deg./14sec

Fig.3.1Fig.3.1Fig.3.1Fig.3.1----5 Tracking Error result5 Tracking Error result5 Tracking Error result5 Tracking Error result

At Elevation angle 55deg.At Elevation angle 55deg.At Elevation angle 55deg.At Elevation angle 55deg.

Tracking Performance

Tracking error results show withinthe specification +-0.2degree

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NP-1098

How to use Ku-Mate ® Navigator

-Showing the status of Ku-Mate® during operation-Various settings and adjustment-Transfers necessary parameters-The status can be stored to the PC every one(1) second

(Functions of Maintain Ku-Mate are written by red character.)

ADU (Above Deck Unit)

Maintenance Support

KVH SERVER

ViaSat MODEMHUB

ROUTER

Maint-PC

WINDOWS PC

Vessel network

ACU

Ku-Mate ®

Navigator

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NP-1098

MELCO Future Product Plan

1. 1.2m class maritime VSAT

2. 0.6m class maritime VSAT

Appendix

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NP-1098

CBB Airborne

（（（（2004～～～～2006）））） Ku-Mate ®（（（（2009））））

HeｌｌｌｌiSat（（（（2009））））

(with 40cm antenna)

Vehicle mount SNG （（（（2010））））

(with 40cm antenna)

MELCO has been developing variety kind of antennas for mobile,helisat system and vehicle mount terminal following Ku-Mate as shown below.

MELCO mobile satellite antenna Roadmap

Maritime VSAT

with 0.6m antenna

Maritime VSAT

with 1.26m antenna

Under development

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NP-10981.26m Antenna

写真

Current 1.0m Antenna

New 1.26m Antenna

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NP-1098

Features

● Higher antenna gain expands service area.

● Radome size and weight are kept the same size

as those of current 1m antenna.

● Remote monitoring, remote software version up

are available.

1.26m Antenna

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NP-1098

Interface Unit(IFU)

1.26m Antenna Block Diagram

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NP-1098

1m AntennaReflector Size 1.26mRadome Size Approx. 1.60m(D) x 1.75m(H)Weight Approx. 175kgMount 3-axis servo controlTransmit 14.00 - 14.50 GHz / 950 - 1,450 MHz

13.75 - 14.50GHz /950-1,700MHz(option)Receive 10.7 - 12.75 GHz / 950 - 1,700 MHzTransmit LinearReceive Linear Transmit >30dBReceive >30dB

51.0dBW typ. @14.25GHz with 8W BUC20dB/K typ. @12.50GHz

Method Conical Scan + Rate SensorAccuracy +/- 0.2 deg. (o-p)Az No-rewindEl -25 to +115deg.Average 40m / secMaximum 60m / secRoll +/-30deg/ 7secPitch +/-10deg/ 5secYaw +/- 4deg/ 20secTurning Rate +/- 6deg/sec

Vessel I/F Navigation Gyro Compass (NMEA0183)Temperature -25 to +55 degCDamp-Heat +40degC 93%RH 1cycle

100-240VAC 50/60Hz +/-5%

(*Note) Comply with IEC60945

Item

Antenna

Wind Load

RF/IF Frequency

Polarization

Cross Polarization Discrimination

Tracking

Gimbal Angle Coverage

System EIRPSystem G/T

Power Supply

Environmental Condition (*)

Vessel Motion

Major Performance of 1.26m Antenna

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NP-10980.6m Antenna

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NP-1098

Interface Unit(IFU)

0.6m Block Diagram

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NP-1098

1m AntennaReflector Size 0.6mRadome Size Approx. 0.75m(D) x 0.85m(H)Weight Approx. 70kgMount 3-axis servo controlTransmit 14.00 - 14.50 GHz / 950 - 1,450 MHz

13.75 - 14.50GHz /950-1,700MHz(option)Receive 10.7 - 12.75 GHz / 950 - 1,700 MHzTransmit LinearReceive Linear Transmit >30dBReceive >30dB

39.0dBW typ. @14.25GHz with 8W BUC13.5dB/K typ. @12.0GHz

Method Conical Scan + Rate SensorAccuracy +/- 0.2 deg. (o-p)Az No-rewindEl -15 to +105deg.Average 40m / secMaximum 60m / secRoll +/-30deg/ 7secPitch +/-10deg/ 5secYaw +/- 4deg/ 20secTurning Rate +/- 6deg/sec

Vessel I/F Navigation Gyro Compass (NMEA0183)Temperature -25 to +55 degCDamp-Heat +40degC 93%RH 1cycle

100-240VAC 50/60Hz +/-5%

(*Note) Comply with IEC60945

Power Supply

Environmental Condition (*)

Vessel Motion

Item

Antenna

Wind Load

RF/IF Frequency

Polarization

Cross Polarization Discrimination

Tracking

Gimbal Angle Coverage

System EIRPSystem G/T

Major Performance of 0.6m Antenna