Chapter 2 Part 2 – Wireless Networks

Q 2) Using the following data for a GSM network, estimate the voice and traffic per subscriber. If there are 40 BTS sites, calculate voice and data traffic per cell.

Subscriber usage per month: 150 minutes
Day per month: 24
Busy hours per day: 6
Allocated spectrum: 4.8 MHz
Frequency reuse plan: 4/12
RF channel width: 200kHz(full rate)
Present number of subscribers in a zone: 50,000
Subscriber growth per year: 5%
Network roll-over period: 4year
Number of packet calls per session (NPCS): 5
Number of packets within a packet call (NPP):25
Reading time between packet calls (Tr): 120s
Packet size (NBP): 480 bytes
Time interval between two packets inside a packet call (Tint): 0.01 s
Total packet service holding time during one hour( T tot): 3000 s
Busy hour packet sessions per subscriber:0.15
Penetration of data subscriber: 25%
Data rate of each subscriber: 48kbps
Packet transmission time: 10 s

Chapter 2: Planning and Design of Wide Area Wireless Networks Numericals. Mumbai University, Semester 8. Electronics and Telecommunications Engineering.

Playlist: https://www.youtube.com/playlist?list=PLKhAMheLIZKCx5Ek6ePhbjSzobUWedvMN .