Vertical XPD Multipath Outage XPDg antenna Wavelength XPIF XPD0 Multipath margin C0/I λ No occurrence = probability P0 p0/100 kXP Q C (dB) separation (m) (dB) (dB) (dB) activity st MXPD η factor (%) p0 PXP (m) (dB) 1 138.7 1.387 40 0 0.15 15 0 40 0.2256 0.700 9.4372 49.4372 34.4372 4.9930E-4 2 974.3 9.743 30 1 0.05 20 0 35 0.6681 0.7005 13.1845 48.1845 28.1845 1.4799E-2 3 9.652 0.09652 42 2 0.0375 25 20 40 0.0340 0.7034 6.0542 46.0542 41.0542 7.5717E-6 4 Validation examples for predicting XPD outage due to precipitation effects (§ 4.2.2 of Recommendation ITU-R P.530-14) Input values Intermediate values Final results Outage Latitude Longitude Frequency Path length Pol XPIF f d C0/I τ No (dB) (dB) probability U0 A0.01 U V Ap m n (°N) (°E) (GHz) (km) (°) (dB) (dB) PXPR 25.8058 48.42 20.84 151.21 39.2786 -5.3357 4.6169e-08 1 317 13 20 90 15 15 12 –22.5 55.6038 52.66 22.17 29.73 15.0952 -1.3288 4.6901 e-04 2 1.17 103.51 18 10 0 20 15 0
No Multipath occurrence factor p0 (%) P0 = p0/100 XPDg (dB) Vertical antenna separation st (m) Wavelength λ (m) C0/I (dB) XPIF (dB) XPD0 (dB) Multipath activity η kXP Q C XPD margin MXPD (dB) Outage probability PXP 1 138.7 1.387 40 0 0.15 15 0 40 0.2256 0.700 9.4372 49.4372 34.4372 4.9930E-4 2 974.3 9.743 30 1 0.05 20 0 35 0.6681 0.7005 13.1845 48.1845 28.1845 1.4799E-2 3 9.652 0.09652 42 2 0.0375 25 20 40 0.0340 0.7034 6.0542 46.0542 41.0542 7.5717E-6 4 Validation examples for predicting XPD outage due to precipitation effects (§ 4.2.2 of Recommendation ITU-R P.530-14) Input values Intermediate values Final results No Latitude (°N) Longitude (°E) Frequency f (GHz) Path length d (km) Pol τ (°) C0/I (dB) U0 XPIF (dB) A0.01 (dB) U V Ap (dB) m n Outage probability PXPR 1 –22.5 317 13 20 90 15 15 12 25.8058 48.42 20.84 151.21 39.2786 -5.3357 4.6169e-08 2 1.17 103.51 18 10 0 20 15 0 55.6038 52.66 22.17 29.73 15.0952 -1.3288 4.6901 e-04
Validation%20examples%20for%20Rec.%20ITU-R%20P.530.docx