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...
Simplified Gsm Link Budget
This pdf contains code for turbofan analysis. Using this code actual cycle analysis can be done.
This pdf contains code for turbofan analysis. Using this code actual cycle analysis can be done.Full description
Wireless network planning
GSM Link Budget
Link Budget Calculation
Descripción: These will include all the parameters such as: Flux density EIRP Power received Power transmit System noise temperature Carrier to noise power ratio
learn about to make a link budget
Link budget for 900
ANALISIS PERHITUNGAN LINK BUDGET INDOOR 3G WCDMA - 3G Link Budget
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Matlab Code
Matlab CodeDescrição completa
A mat lab program for linear block codes
matlab code of ieee 14 bus systemFull description
EX NO 6
Simulation of satellite link budget analysis
AIM To simulate satellite link budget using MATLAB APPARATUS REQUIRED MATLAB software, PC SOURCE CODE: clear all; clc; disp('ENTER disp( 'ENTER UPLINK PARAMETERS') PARAMETERS') disp('---------------------------------------' disp( '---------------------------------------' ) pt=input('Earth pt=input('Earth station Transmitter output power :'); :'); lbo=input('Earth lbo=input('Earth Station back-off loss : '); '); lbf=input('Earth lbf=input('Earth station branching and feeder losses :'); :'); at=input('Earth at=input('Earth station Transmit antenna gain : '); '); lu=input('Additional lu=input('Additional uplink atmospheric losses : '); '); lp=input('Free-s lp=input('Free-space pace path pat h loss : '); '); gte=input('Satelli gte=input('Satellite te receiver rece iver G/Te ratio : '); '); bfb=input('Satelli bfb=input('Satellite te branching and feeder losses : '); '); br=input('Bit br=input('Bit rate : '); '); disp('--------------------disp('-------------------------------------------------') -------') disp('ENTER disp( 'ENTER DOWNLINK PARAMETERS') PARAMETERS') disp('---------------------------------------' disp( '---------------------------------------' ) disp('' disp( '')) pt2=input('Satelli pt2=input('Satellite te transmitter t ransmitter output power :'); :'); lbo2=input('Satellite lbo2=input('Satellite back-off loss : '); '); lbf2=input('Satelli lbf2=input('Satellite te branching and a nd feeder losses :'); :'); at2=input('Satelli at2=input('Satellite te Transmit T ransmit antenna gain : '); '); ld=input('Additional ld=input('Additional downlink atmospheric losses : '); '); lp2=input('Free-s lp2=input('Free-space pace path pat h loss : '); '); gte2=input('Earth gte2=input('Earth station receiver G/Te ratio : '); '); bfb2=input('Earth bfb2=input('Earth station branching and feeder losses : '); '); br2=input('Bit br2=input('Bit rate : '); ');
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); ebn02=cn02-(10*log10(br2)); fprintf('Eb/No : = %f dB\n',ebn02); cn2=ebn02-10*(log10((40*(10^6))/(br2))); fprintf('for a minimum bandwidth system, C/N = %f dB\n',cn2); a=10^(ebn0/10); b=10^(ebn02/10); ebn0all=(a*b)/(a+b); ebn02db=10*log10(ebn0all); fprintf('Eb/No(overall) : = %f dB\n',ebn02db);
SAMPLE INPUT
ENTER UPLINK PARAMETERS --------------------------------------Earth station Transmitter output power :33 Earth Station back-off loss : 3 Earth station branching and feeder losses :4 Earth station Transmit antenna gain : 64 Additional uplink atmospheric losses : .6 Free-space path loss : 206.5 Satellite receiver G/Te ratio : -5.3 Satellite branching and feeder losses : 0 Bit rate : 120*(10^6) --------------------------------------ENTER DOWNLINK PARAMETERS --------------------------------------Satellite transmitter output power :10 Satellite back-off loss : .1 Satellite branching and feeder losses :.5 Satellite Transmit antenna gain : 30.8 Additional downlink atmospheric losses : .4 Free-space path loss : 205.6 Earth station receiver G/Te ratio : 37.7 Earth station branching and feeder losses : 0 Bit rate : 120*(10^6)
OUTPUT
--------------------------------------UPLINK BUDGET --------------------------------------EIRP (Earth Station) = 90.000000 dBW Carrier power density at the satellite antenna = -117.100000 dBW C/No at the satellite = 106.201209 dB Eb/No : = 25.409397 dB for a minimum bandwidth system, C/N = 30.180609 dB --------------------------------------DOWNLINK BUDGET --------------------------------------EIRP (satellite transponder) = 40.200000 dBW Carrier power density at earth station antenna = -165.800000 dBW C/No at the earth station receiver = 100.501209 dB Eb/No : = 19.709397 dB for a minimum bandwidth system, C/N = 24.480609 dB Eb/No(overall) : = 18.674255 dB
