ANALISIS PERHITUNGAN LINK BUDGET INDOOR 3G WCDMA - 3G Link Budget
Data Link Basics - The Link Budget
Link budget analysis provides: • Coverage design thresholds • EIRP needed to balance the path • Maximum allowable path loss • It is important that the uplink and downlink paths be balanced, oth...
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v1-AMR12.2K &VoLTE Existing Link budget+ for -3G,LTE,IoTFull description
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ΧΑΡΟΚΟΠΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ Τμήμα Γεωγραφίας Πρόγραμμα Μεταπτυχιακών Σπουδών «Εφαρμοσμένη Γεωγραφία και Διαχείριση του Χώρου» Κατεύθυνση: Ανάπτυξη και Διαχείριση του Ευρωπαϊκού χώρου ΝΕΕΣ ΚΟΙΝΩΝΙΚ...
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clear all; clc; disp('ENTER UPLINK PARAMETERS') disp('-----------------disp('------------------------------------------------------') -----') pt=input('Earth station Transmitter output power :'); lbo=input('Earth Station back-off loss : '); lbf=input('Earth station branching and feeder losses :'); at=input('Earth station Transmit antenna gain : '); lu=input('Additional uplink atmospheric losses : '); lp=input('Free-space path loss : '); gte=input('Satellite receiver G/Te ratio : '); bfb=input('Satellite branching and feeder losses : '); br=input('Bit rate : '); disp('-----------------disp('------------------------------------------------------') -----') disp('ENTER DOWNLINK PARAMETERS') disp('-----------------disp('------------------------------------------------------') -----') disp('') pt2=input('Satellite transmitter output power :'); lbo2=input('Satellite back-off loss : '); lbf2=input('Satellite branching and feeder losses :'); at2=input('Satellite Transmit antenna gain : '); ld=input('Additional downlink atmospheric losses : '); lp2=input('Free-space path loss : '); gte2=input('Earth station receiver G/Te ratio : '); bfb2=input('Earth station branching and feeder losses : '); br2=input('Bit rate : ');
disp('---------------------------------------') EIRP=pt+at-lbo-lbf; disp('UPLINK BUDGET') disp('---------------------------------------') %EIRP (Earth Station) fprintf('EIRP (Earth Station) = %f dBW \n',EIRP); c1=EIRP-lp-lu; %Carrier power density at the satellite antenna : fprintf('Carrier power density at the satellite antenna = %f dBW\n',c1); cn0=c1+gte-(10*log10(1.38*(10^(-23)))); fprintf('C/No at the satellite = %f dB\n',cn0); ebn0=cn0-(10*log10(br)); fprintf('Eb/No : = %f dB\n',ebn0); cn=ebn0-10*(log10((40*(10^6))/(br))); fprintf('for a minimum bandwidth system, C/N = %f dB\n',cn); disp('---------------------------------------') disp('DOWNLINK BUDGET') disp('---------------------------------------') %EIRP (satellite transponder) EIRP2=pt2+at2-lbo2-lbf2; fprintf('EIRP (satellite transponder) = %f dBW \n',EIRP2); c12=EIRP2-lp2-ld; %Carrier power density at the earth station antenna : fprintf('Carrier power density at earth station antenna = %f dBW\n',c12); cn02=c12+gte2-(10*log10(1.38*(10^(-23)))); fprintf('C/No at the earth station receiver = %f dB\n',cn02);
