Abstract
AbstractIn today’s life, the multimedia transmission is becoming an integral part of wireless communication. However, the transmission of a multimedia file requires sending a large amount of data which consume a huge amount of bandwidth. Due to the limitations in bandwidth utilization in wireless mobile communication, different compression techniques are used, and they reduce the amount of information to be transmitted. However, the compression techniques very often reduce the quality of a multimedia file because of their inherent nature. In addition, the quality may further be deteriorated after wireless transmission due to the presence of fading. In this work, we compared two compression techniques JPEG and JPEG2000 that are widely used in still image compression. From the study, it has been observed that the JPEG2000 performs better in low SNR environment, while JPEG performs better in high SNR environment. In addition, the performance of both the techniques improves, while using maximal ratio diversity combining technique as compared to selection combining technique.KeywordsImage compressionFading channelsDiversity techniquePSNR
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