Sunday 24th of September 2017
 

Cross Layer Optimized Transmission for an Energy Efficient Wireless Image Sensor Network


Alice Abraham and Narendra Kumar G

Compared with traditional WSNs, image and multimedia data in wireless image sensor networks require sophisticated processing transmission techniques to meet the limited energy budget. Further image data require time efficiency and minimal jitter for maintaining the quality of data. Wavelet coding is used to separate an image into imagepixel- position and image-pixel-value information. This intraimage diversity is exploited to reduce the transmitted data by transmitting only the position information of the threshold . Simulation results demonstrates that there is no significant loss in visual quality of image, to the human eye, for the purpose of identifying an object. The resulting lower segment length ensures significantly higher bandwidth utilization, lower jitter and improved energy efficiency. A cross layer design provides adaptive modulation by exploiting intersegment dependencies across Physical, MAC and Application layers.

Keywords: cross layer, DWT, energy efficiency, image transmission, wireless sensor network

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ABOUT THE AUTHORS

Alice Abraham
graduate in Electrical Engineering and a post graduate in Power Electronics , both from University Visvesvayraya College of Engineering, Bangalore, India. Currently a research scholar in Bangalore University in the Department of Electronics & Communication, she is actively involved in research in the areas energy efficiency and applications of wireless sensor networks under the guidance of Professor Narendra Kumar G .

Narendra Kumar G
obtained Masters Degree in Electrical Communication Engineering, (Computer Science & Communication) from Indian Institute of Science, Bangalore, Karnataka, India in 1987. Was awarded PhD in Electrical Engineering(Computer Network) from Bangalore University, Bangalore, Karnataka, India in 2006. Currently Professor in the Department of Electronics & Communication Engineering, University Visvesvaraya College of Engineering., Bangalore University, Bangalore, held the positions of Associate Professor, Lecturer and Director of Students Welfare. Research interests include Mobile Communication, Wireless Communication, E-Commerce, Robotics and Computer Network.


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