Communication Satellite Payload Product & Heritage Version 2014 V1.
-
Upload
sharleen-robertson -
Category
Documents
-
view
219 -
download
2
Transcript of Communication Satellite Payload Product & Heritage Version 2014 V1.
Communication Satellite Payload
Product & Heritage
Version 2014 V1
Background
30 years’ experience in design, manufacturing, integration and test
More than 20 GEO payloads has been supplied. In-orbit operating time accumulates up to over 1400 years.
Frequency bands: UHF, L, S, C, Ku, Ka
Max. power per channel: 300W
Total RF power: 5000W
Max. number of antenna per sat.: 7
Design lifetime: 15 years
NigcomSat-1R
SinoSat-3
SinoSat-6
2
Multi-bands, multi-channels, multi-antennas,
high power and high gain payload
High reliability and long life system > 15 years
Anti-interference Switchable channels between different beams Steep roll-off antenna Steerable antenna
On-Board auto-tracking Mono-pulse tracking with 0.06 degree accuracy
On-Board processing Frequency hopping, spread spectrum, Circuit transfer, ATM, IP transfer, sub-band transfer TDMA, FDMA, CDMA Adaptive modulated rate: 2-300Mbps Adaptive demodulated rate: 2-54Mbps
Technique & Benefits
VeneSat-1
PakSat-1R
TKSAT-13
* International program
Heritage
Program Launch Freq. Band Channels*Power (W)
DFH2 1984.04.081986.02.01 C 2 * 8
DFH-2A1988.03.071988.12.221990.02.04
C 4 * 10
DFH-3 1997.05.12 C 18 * 86 * 16
ChinaSat-22 2000.01.26UHF 6 * 25
C 7 * 20
ChinaSat-20 2003.11.15C 8 * 20
Ku 4 * 55
ChinaSat-22A 2006.09.13UHF 6 * 25
C 1 * 20Ka 2 * 60
Nigcomsat-1* 2007.05.14
L 2 * 62/45C 4 * 60
Ku 14 * 150Ka 8 * 70/50
Sinosat-3 2007.06.01 C 10 * 50
Nigcomsat-1R* 2011.12.20
L 2 * 62/45C 4 * 60
Ku 14 * 150Ka 8 * 70
Program Launch Freq. Band Channels*Power (W)
Tianlian I2008.04.252011.07.112012.07.25
S/Ka 1 * 50Ka/S 1 * 40Ka 5 * 50/20
Venesat-1* 2008.10.30C 14 * 60
Ku 12 * 120Ka 2 * 50
Sinosat-6 2010.09.05S 1 * 120C 24 * 80
Ku 8 * 150
ChinaSat-20A 2010.11.25C 2 * 20
Ku 6 * 55
Paksat-1R* 2011.08.12C 12 * 40
Ku 18 * 100
Zhongxing-1A 2011.09.19UHF 6 * 25
C 1 * 20Ka 12 * 100
Zhongxing-2A 2012.05.26Ku 11 * 150/300Ka 6 * 100
Zhongxing-11 2013.05.02C 26*84
Ku 19*150
TKsat-1* 2013.12.21
C 2*60Ku 22*100/4*120
Ka 2*100
4
SINOSAT-6• Configuration
– Ku band, 8 * 150W – C band, 24 * 80W All channels can be switched between two beams– S band, 1 * 120W Can be switched to Ku band channel– 4 antenna Including 2 dual gridded antenna
• chiefly technique– C band pre-distortion IMUX– 13 channels C band OMUX– Dual grid antenna– Steep roll-off antenna
• Launched in Sep. 2010
Heritage
5
ZHONGXING-11
Heritage
Zhongxing-11
• Configuration
– Ku band, 19 channels (150W/Channel) 4 beams, 5 channels are switchable– C band, 26 channels (84W/channel) Standard/extended C band, dual polarization – 5 antenna (including 1 Steerable antenna)
• chiefly technique
– C-serial Bus, TWTA with Dual EPC– Matrix command and telemetry (HLC/LLC)– Ku band dielectric resonator IMUX– Wideband feed (4 ports, C band)– 16 channels C band OMUX
• Launched in May 2013
6
Typical Payload Performance
Frequency offset from center (MHz)
Flatness(dBp-p)
±10.0 0.6
±12.0 1.0
±14.0 1.2
±16.0 2.0
±18.0 2.4
Frequency offset from center (MHz)
Group delay (ns)
±0 5.0
±8.0 10.0
±12.0 25.0
±16.0 45
±18.0 88
Frequency offset from center (MHz)
Rejection (dB)
±22.0MHz±25.0MHz±30.0MHz
-20-30-50
C band 36MHz channel
7
C band 54MHz channel
Frequency offset from center (MHz)
Flatness(dBp-p)
±18.0 1.0
±27.0 2.4
Frequency offset from center (MHz)
Group delay (ns)
±18.0 30
±27.0 82
Frequency offset from center (MHz)
Rejection (dB)
±32.0MHz±37.5MHz±45.5MHz
-20-30-50
Typical Payload Performance
8
Ku band 36MHz channel
Frequency offset from center (MHz)
Flatness(dBp-p)
±12.0 1.0
±18.0 3.0
Frequency offset from center (MHz)
Group delay (ns)
±0 3.0
±9.0 10.0
±12.0 25.0
±16.0 45
±18.0 95
Frequency offset from center (MHz)
Rejection (dB)
±22.0MHz±25.0MHz±30.0MHz
-20-30-50
Typical Payload Performance
9
Ku band 54MHz channel
Frequency offset from center (MHz)
Flatness(dBp-p)
±18.0 1.0
±27.0 2.8
Frequency offset from center (MHz)
Group delay (ns)
±0 3.0
±13.0 10.0
±18.0 25.0±24.0 45±27.0 80
Frequency offset from center (MHz)
Rejection (dB)
±33.0MHz±38.0MHz±45.5MHz
-20-30-50
Typical Payload Performance
10
Multi narrow beams coverage to improve EIRP & G/T performance
Frequency reused with times to increase useful bandwidth and
communication capacity
Frequency isolation with beam isolation
Program under development: ChinaSat-16
Multi-Beam Payload
Stowed status Deployed status
11
ChinaSat-16A High Throughput Satellite at Ka band
3 gateway beams
26 user beams
Multi-Beam Payload
12
RTN Link FWD Link
50W TWTA6 channelsEIRP: 55dBWG/T:13dB/K
100W TWTA20 channelsEIRP: 59.5dBWG/T: 13dB/K
C/I: 15dB
Multi-Beam Payload
ChinaSat-16
13
For more information please contact: [email protected]