summaryrefslogtreecommitdiff
path: root/3446/CH3/EX3.8
diff options
context:
space:
mode:
authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
commit7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch)
treedbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3446/CH3/EX3.8
parentb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff)
downloadScilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz
Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2
Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip
initial commit / add all books
Diffstat (limited to '3446/CH3/EX3.8')
-rw-r--r--3446/CH3/EX3.8/Ex3_8.sce22
1 files changed, 22 insertions, 0 deletions
diff --git a/3446/CH3/EX3.8/Ex3_8.sce b/3446/CH3/EX3.8/Ex3_8.sce
new file mode 100644
index 000000000..8290c4bd8
--- /dev/null
+++ b/3446/CH3/EX3.8/Ex3_8.sce
@@ -0,0 +1,22 @@
+// Exa 3.8
+// TO find coverage radius of an access point.
+
+clc;
+clear all;
+
+SNRmin=12;//in dB
+n=3; //No of floors
+Backgroundnoise=-115; //dBm
+pt=100 //in dBm
+
+//solution
+pt_db=10*log10(pt);
+Sr=Backgroundnoise+SNRmin; //receiver sensitivity
+Lpmax=pt_db-Sr;
+//Refering table 3.4
+Lp_d0=38; //ref path loss at the first meter(dB)
+Lf=15+4*(n-1); //signal attenuation through n floors
+y=3; //path loss exponent
+X=10; //Shadowing effect(dB)
+d=10^((Lpmax-Lp_d0-Lf-X)/30); //max allowable path loss
+printf('Coverage radius of an access point = %d m \n',round(d));