Attachment Schedule S DOC 23

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

IBFS_SESLIC2012042600397_951156

INM-KA RETURN LINK BUDGET (COMMS. HCP ) General Unit SEATEL 100cm User terminal type - Typ-100cm- 1 Carrier designator - 2M45G7W Data rate (kbps) (kbps) 2636 Coding rate - 3/4 Modulation - QPSK Occupied bandwidth (kHz) 2041.7 Allocated bandwidth (kHz) 2450.1 Uplink Beam User-Spot (HCP) Frequency (GHz) 29.25 User Terminal EIRP (dBW) 52.5 Antenna tx gain dBi 47.9 Uplink power (dBW) 4.6 Uplink p.s.d. (dBW/Hz) -58.5 Path loss (dB) 213.5 Rain loss (dB) 7.0 Mean Atmospheric loss (dB) 1.7 Satellite G/T (EOC) (dB/K) 11.0 Up-path C/No (dBHz) 69.8 Up-path C/N (dB) 6.7 Downlink Beam Feeder Frequency (GHz) 18 Max pfd per crx @ earth surface(beam peak) (dBW/m2/1MHz) -134.4 Beam Peak to Edge of Coverage (dB) 3.0 Max pfd per crx @ earth surface(EOC) (dBW/m2/1MHz) -137.4 Satellite EIRP (EOC) (dBW) 27.7 Path loss (dB) 209.3 Rain loss (dB) 5.6 Mean Atmospheric loss (dB) 0.7 Earth Station G/T (dB/K) 42.0 G/T degradation due to rain (dB) 2.6 Rx terminal Pointing loss (dB) 0.1 Co-Channel / adj . beam interf. (dn) (dBHz) 86.1 Down-path C/No (dBHz) 79.1 Down-path C/N (dB) 16.0 Total Mean satellite C/Imo (dBHz) 84.7 Mean Overall C/No (dBHz) 69.2 Total C/I (adjacent satellite interference) (dB) 20.6 Mean Overall C/N (incl. a.s.i) (dB) 6.0 Margin C/N required (dB) 5.6 C/N margin (dB) 0.4

Availability (%) 98.6 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 21.4 Downlink C/I Interferor 1 Max. ground PFD (dBW/m2/MHz) -121.1 Max. downlink EIRP s.d (dBW/Hz) -19.0 Inm Rx sidelobe gain at 2 deg sep dBi 21.0 Inm-Ka C/I dn1 dB 28.4 Total C/I (adjacent satellite interference) dB 20.6


Document Created: 2012-05-08 12:02:59
Document Modified: 2012-05-08 12:02:59
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