Analysis of Site2 - Site3

Summary

Summary A>>B (1e-003) B>>A (1e-003) Quality Objectives Not Respected OK Availability Objectives Not Defined Not Defined

Global link estimation over an average year BER:1e-003(Plain) Cut Off Duration 1884 h 27 mn 27 sec Percent of non-cut off 78,487926 %

Budgetm m

47

57

67

77

87

97

107

117

127

137

47

57

67

77

87

97

107

117

127

137

0 2000 4000 6000 8000 10000 m

A>>B (1e-003) No I B>>A (1e-003) No I Calculated thermal fade margin 59,94 dB 59,94 dB Quality (Worst Month) 0 % 99,996575 % Availability (Average Year) > 99.999 % > 99.999 %Frequency Band : 18 GHz Length : 10 715 m

Link Specifications

Sites Site A Site B Names Site2 Site3 Longitude 647'39,74"E 653'59,3"E Latitude 3326'25,55"N 3328'46"N Height 63 m 61 m Coordinate Syst. WGS 84

Antennas Site A Site B Main Antenna Names HP8-180-B1A HP8-180-B1A Height 30 m 30 m Azimuth 66.05 (+0.00) 246.11 (+0.00) Tilt -0.06 (+0.00) -0.04 (+0.00) Gain 51,2 dBi 51,2 dBi Diameter 2,4 m 2,4 m Near Field 718,08 m 718,08 m

Beamwidth 0.24 0.24 XPD Value 30 dB 30 dB

Repeaters Site P Site Q Passive Name n/a n/a Type n/a n/a Surface n/a n/a Waveguide n/a n/a Cross Polarisation n/a n/a Passive Repeaters A>>B Gain n/a n/a Passive Repeaters B>>A Gain n/a n/a Beamwidth between Tx and Rx n/a n/a

Equipment Site A Site B Model SRA18-16 SRA18-16 Hierarchy PDH PDH Modulation 4-PSK 4-PSK Payload Rate 1,9 MBits/s 1,9 MBits/s Capacity E1 E1 Minimal Channel Bandwidth 1 MHz 1 MHz Configuration 1 + 1 1 + 1

Transmission A >> B B >> A Transmitted Power 16 dBm 16 dBm EIRP 67,2 dBm 67,2 dBm Power Control On No No Total Losses 0 dB 0 dB Transmission Losses Details Filter Losses 0 dB 0 dB Port Connection Losses 0 dB 0 dB Waveguide and Cable Losses 0 dB 0 dB Connection Loss 0 dB 0 dB Shared Losses 0 dB 0 dB Shielding Losses 0 dB 0 dB Channel and Frequency System Configuration Space Diversity Backup (HSB) Sub-Band Channels List Calculated Channel n/a (18 700 MHz) n/a (18 700 MHz) Polarisation Vertical Vertical

Reception A>>B (1e-003) B>>A (1e-003)Sensitivity -81 dBm -81 dBm

A >> B B >> A Overflow threshold -10 dBm -10 dBm Thermal Noise Threshold -94,61 dBm -94,61 dBmMin C/I - XPIF -94,61 dB -94,61 dB Total Losses 0 dB 0 dB Reception Losses Details Filter Losses 0 dB 0 dB Port Connection Losses 0 dB 0 dB Waveguide and cables Losses 0 dB 0 dB Connection Losses 0 dB 0 dB Shared Losses 0 dB 0 dB Shielding Factor 0 dB 0 dB

Geoclimatic Parameters Environment Type Open areas

Climatic Zone Temperate MaritimeClimatic Factor 1,5 Temperature 15 C Water Vapour Density 10 g/m Atmospheric Pressure 1 013,25 hPa Relative Humidity 4,1 % Earth Curvature Factor (k) 1,38 Median value of the k factor 1,38 Effective Earth Curvature Factor (ke at 99.9 %) 0,66 Percentage of time when the refractivity gradient (1000 km) (1.5 - 5 Mbps) (Ignored) BBER Intermediate Country (>1000 km ) BBER (Ignored) Availability Objectives SESR n/a

Propagation A >> B B >> A Nominal received Level C -21,06 dBm -21,06 dBmTotal Attenuation 139,46 dB 139,46 dB Free Space Loss 138,44 dB 138,44 dB Dry Air 0,1 dB 0,1 dB Due to Water Vapour 0,92 dB 0,92 dB Diffraction 0 dB 0 dB Antenna Losses 0 dB 0 dB Tropospheric Scattering 0 dB 0 dB Vegetation Att. (0) dB (0) dB Epsilon 0,19 mrad 0,19 mrad Path type Full LOS Full LOS

Non-quality due to multi-path (Clear-Air) A>>B (1e-003) No I B>>A (1e-003) No I Total Outage (Worst Month) 1e+002 % 3,425e-003 % Non-Outage (Worst Month) 0 % 99,996575 % Worst Month Duration (Objective) 730 h 0 mn 0 sec (2 mn 41 sec) 1 mn 30 sec (2 mn 41 sec)Total Outage (Average Year) 2,15112e+001 % 7,37e-004 % Non-Outage (Average Year) 78,488763 % 99,999263 % Average Duration (for Average Year) 1884 h 23 mn 3 sec 3 mn 52 sec Worst Month Details Dispersive Fadings 1e+002 % 1,17678e-006 % Selective Fading 5,05609e-015 % 2,50587e-008 %

Enhancement Forecast 3,424e-003 % 3,424e-003 % Fadings due to discrim. reduction 9,28e-004 % 9,28e-004 % Improving Factor(s) n/a Space Diversity 0 n/a Phase difference (in no. of wavelengths) 0 n/a Frequency Diversity n/a n/a Phase difference (in f) n/a n/a Multipath Occurrence 1,16 % 1,16 % Performance Objectives (Probability) SESR (Required SESR) 1e+000 (6,145e-005) 3,425e-005 (6,145e-005)

Unavailability due to rain A>>B (1e-003) No I B>>A (1e-003) No I Total Interruptions (Worst Months) 9,44e-004 % 9,44e-004 % Non-interruptions (Worst Month) 99,999056 % 99,999056 % Worst Month Duration (Objective) 24 sec (730 h 0 mn 0 sec) 24 sec (730 h 0 mn 0 sec)Total Outage (Average Year) 1e-004 % 1e-004 % Non-interruption (Average Year) 99,9999 % 99,9999 % Average Duration (for Average Year) 31 sec 31 sec Details for the Average Year Rain Fadings 1e-004 % 1e-004 % Rain attenuation 1,8 dB/km 1,8 dB/km Fadings due to discrim. reduction 0e+000 % 0e+000 % Performance Objectives (Probability) SESR (Required SESR) 9,44e-006 (n/a) 9,44e-006 (n/a)

Unavailability due to failures Hot Standby available YesPerformance Objective (%) ?