Attachment Schedule S DOC 10

This document pretains to SES-LIC-20120426-00397 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012042600397_951169

INM-KA RETURN LINK BUDGET (SIGNALLING ) FADED Table no. A.XX-2 General Unit SEATEL 100cm User terminal type - Typ-100cm-1 Carrier designator - 5M00G7W Data rate (kbps) (kbps) 9.6 Coding rate - 1/2 Modulation - BPSK Occupied bandwidth (kHz) 5000 Allocated bandwidth (kHz) 5000 Uplink Beam EC Frequency (GHz) 29.507 User Terminal EIRP (dBW) 52.5 Antenna tx gain dBi 47.9 Uplink power (dBW) 4.6 Uplink p.s.d. (dBW/Hz) -62.4 Path loss (dB) 213.5 Rain loss (dB) 4.0 Mean Atmospheric loss (dB) 0.4 Satellite G/T (EOC) (dB/K) -11.0 Up-path C/No (dBHz) 52.2 Up-path C/N (dB) -14.8 Downlink Beam Feeder Frequency (GHz) 18.207 Max pfd per crx @ earth surface(beam (dBW/m2/1MHz) -138.9 peak) Beam Peak to Edge of Coverage (dB) 3.0 Max pfd per crx @ earth surface(EOC) (dBW/m2/1MHz) -141.9 Satellite EIRP (EOC) (dBW) 27.2 Path loss (dB) 209.4 Rain loss (dB) 5.6 Mean Atmospheric loss (dB) 0.4 Earth Station G/T (dB/K) 42.0 G/T degradation due to rain (dB) 2.5 Rx terminal Pointing loss (dB) 0.1 Co-Channel / adj . beam interf. (dn) (dBHz) 90.0 Down-path C/No (dBHz) 79.4 Down-path C/N (dB) 12.4 Total Mean satellite C/Imo (dBHz) 84.1 Mean Overall C/No (dBHz) 52.1 Total C/I (adjacent satellite interference) (dB) 16.3 Mean Overall C/N (incl. a.s.i) (dB) -14.9 Margin

C/N required (dB) -22.0 C/N margin (dB) 7.1 C/I calculations Orbital separation (interferor 1) degree 2.0 Worst case topocentric angle (1) degree 2.09 Uplink C/I Interferor 1 Max. uplink p.s.d (dBW/Hz) -56.0 Other's sidelobe at 2 deg. sep X-25log(t) 29.0 Tx Sidelobe gain at 2 deg sep dBi 21.0 Inm-Ka C/I up1 dB 16.5 Downlink C/I Interferor 1 Max. ground PFD (dBW/m2/MHz) -126.9 Max. downlink EIRP s.d (dBW/Hz) -24.8 Inm Rx sidelobe gain at 2 deg sep dBi 21.0 Inm-Ka C/I dn1 dB 29.8 Total C/I (adjacent satellite interference) dB 16.3


Document Created: 2012-05-08 12:07:48
Document Modified: 2012-05-08 12:07:48
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