Attachment 1 to Annex 1 Calculation of minimum field strength and minimum median equivalent field strength The minimum field strength and minimum median equivalent field strength values calculated using the following equations: + 10 log (k F T0 B) = + Ps min C/N Pn + 10 log (1.642/4 ) G = + Ps min Aa Lf φmin – = + 120 + 10 log (120 ) Emin φmin = + 145.8 φmin = + + for roof top level fixed reception Emed Emin Pmmn Cl = + + + for portable outdoor and mobile Emed Emin Pmmn Cl Lh reception = + + + + portable indoor and mobile Emed Emin Pmmn Cl Lh handheld reception t = µ Cl t = where: : receiver noise input power (dBW) Pn : receiver noise figure (dB) F : Boltzmann’s constant (k = 1.38 10–23 (J/K)) k : absolute temperature (T0 = 290 (K)) T0 : receiver noise bandwidth (B = 7.61 106 (Hz)) B : minimum receiver input power (dBW) Ps min : RF at the receiver input required by the system (dB) C/N S/N : effective antenna aperture (dBm2) Aa : antenna gain related to half dipole (dBd) G : wavelength of the signal (m) : minimum pfd at receiving place (dB(W/m2)) φmin loss (dB) Lf : equivalent minimum field strength at receiving place (dB(V/m)) Emin : minimum median equivalent field strength, planning value (dB(V/m)) Emed : allowance for man-made noise (dB) Pmmn : height loss (reception point at 1.5 m above ground level) (dB) Lh : building or vehicle entry loss (dB) Lb
Attachment 1 to Annex 1 Calculation of minimum field strength and minimum median equivalent field strength The minimum field strength and minimum median equivalent field strength values calculated using the following equations: F + 10 log (k T0 B) Ps min = C/N + Pn G + 10 log (1.642/4 ) φmin = Ps min – Aa + Lf Emin = φmin + 120 + 10 log (120 ) = φmin + 145.8 Emed = Emin + Pmmn + Cl for roof top level fixed reception Emed = Emin + Pmmn + Cl + Lh for portable outdoor and mobile reception Emed = Emin + Pmmn + Cl + Lh + portable indoor and mobile handheld reception Cl = µ t t = where: Pn : receiver noise input power (dBW) F : receiver noise figure (dB) k : Boltzmann’s constant (k = 1.38 10–23 (J/K)) T0 : absolute temperature (T0 = 290 (K)) B : receiver noise bandwidth (B = 7.61 106 (Hz)) Ps min : minimum receiver input power (dBW) C/N : RF S/N at the receiver input required by the system (dB) Aa : effective antenna aperture (dBm2) G : antenna gain related to half dipole (dBd) : wavelength of the signal (m) φmin : minimum pfd at receiving place (dB(W/m2)) Lf loss (dB) Emin : equivalent minimum field strength at receiving place (dB(V/m)) Emed : minimum median equivalent field strength, planning value (dB(V/m)) Pmmn : allowance for man-made noise (dB) Lh : height loss (reception point at 1.5 m above ground level) (dB) Lb : building or vehicle entry loss (dB)