Computer Science – Networking and Internet Architecture
Scientific paper
2012-01-11
International Journal of Wireless & Mobile Networks (IJWMN) Vol. 3, No. 6, December 2011, 71-90
Computer Science
Networking and Internet Architecture
20 pages, IJWMN journal paper; ISSN:0975-3834 (Online); 0975-4679 (Print)
Scientific paper
10.5121/ijwmn.2011.3606
This paper is a thorough study of a digital broadcasting system adapted to the small mountainous island of Mauritius. A digital LAN was designed with MPEG-2 signals. The compressed signals were transmitted using DVB-T and QAM modulators. QAM-16 and QAM-64 modulators were designed and tested with a simulator under critical conditions of AWGN and phase noises. Results obtained from simulation have shown that Digital video broadcast with a single frequency network (SFN) is possible in Mauritius with QAM-64 and QAM-16 modulators applying COFDM mode of transmission. However, this study has also shown that QAM-16 modulator had a better performance at low AWGN values (less than 12 dB) and can be adopted for Mauritius Island, provided that the number of transmitted channels is not high enough.
Armoogum Sheeba
Armoogum Vinaye
Gopaul Jayprakash
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