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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3446/CH17/EX17.10/Ex17_10.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3446/CH17/EX17.10/Ex17_10.sce')
| -rw-r--r-- | 3446/CH17/EX17.10/Ex17_10.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/3446/CH17/EX17.10/Ex17_10.sce b/3446/CH17/EX17.10/Ex17_10.sce new file mode 100644 index 000000000..f7ab7a143 --- /dev/null +++ b/3446/CH17/EX17.10/Ex17_10.sce @@ -0,0 +1,27 @@ +//Exa 17.10
+//To calculate No of users that can be supported on the downlink of the WCDMA network.
+
+clc;
+clear all;
+
+Rc=3.84;//chip rate in Mcps
+N=3;//Noise rise in dB
+OF=0.8;//orthogonality factor
+B=0.55;//Interference from other cells
+Eb_N0=4;//in dB
+Sec_Eff=0.85;//Sector efficiency
+Pwr_Eff=0.80;//Power control efficiency
+Y=1.2; //Retransmit rate
+X=10; //10MB at 384Kbps
+X1=2; //2MB at 144Kbps
+X2=1; //1MB at 64Kbps
+
+//solution
+//Assuming Voice activity=Vf=1
+Vf=1;
+AvgDR=Y*X*10^6*(1/3600)+Y*X1*10^6*(1/3600)+Y*X2*10^6*(1/3600);
+CLoad=(N-1)/(N+1);
+DLcap=(Rc*10^6*Pwr_Eff*Sec_Eff)/(((10^(Eb_N0/10))*(B+OF)*Vf));
+Allowcap=CLoad*DLcap;
+users=Allowcap/AvgDR;
+printf('NO of users that can be supported on the downlink of the WCDMA network are %d \n ',round(users));
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