The main idea behind the Global System Mobile (GSM) cellular radio system is frequency reuse. Due to the increasing demand in the cellular radio, there is a need to increase the capacity of the system. Consider a case where initially, a cluster size of N=7 hexagonal cells is employed by the network planning engineer in Batu Pahat in year 2000. The area is covered by 6 clusters to support full coverage in Batu Pahat area. The allocated spectrum is 35 MHz and the traffic intensity of each subscriber is estimated to be 0.1 Erlang. Calculate the number of users that can communicate simultaneously in Batu Pahat area. (b) Given a Grade of Service (GOS) of 2%, calculate the number of users that can be supported in the Batu Pahat area.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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The main idea behind the Global System Mobile (GSM) cellular radio system is frequency
reuse. Due to the increasing demand in the cellular radio, there is a need to increase the
capacity of the system. Consider a case where initially, a cluster size of N=7 hexagonal cells
is employed by the network planning engineer in Batu Pahat in year 2000. The area is covered
by 6 clusters to support full coverage in Batu Pahat area. The allocated spectrum is 35 MHz
and the traffic intensity of each subscriber is estimated to be 0.1 Erlang.
(a)
(b)
Calculate the number of users that can communicate simultaneously in Batu Pahat
area.
Given a Grade of Service (GOS) of 2%, calculate the number of users that can be
supported in the Batu Pahat area.
Transcribed Image Text:Q1 The main idea behind the Global System Mobile (GSM) cellular radio system is frequency reuse. Due to the increasing demand in the cellular radio, there is a need to increase the capacity of the system. Consider a case where initially, a cluster size of N=7 hexagonal cells is employed by the network planning engineer in Batu Pahat in year 2000. The area is covered by 6 clusters to support full coverage in Batu Pahat area. The allocated spectrum is 35 MHz and the traffic intensity of each subscriber is estimated to be 0.1 Erlang. (a) (b) Calculate the number of users that can communicate simultaneously in Batu Pahat area. Given a Grade of Service (GOS) of 2%, calculate the number of users that can be supported in the Batu Pahat area.
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