PROJECT TITLE :

20 Years of Turbo Coding and Energy-Aware Design Guidelines for Energy-Constrained Wireless Applications

ABSTRACT:

During the last two decades, wireless communication has been revolutionized by near-capacity error-correcting codes (ECCs), like turbo codes (TCs), that offer a lower bit error ratio (BER) than their predecessors, without requiring an increased transmission energy consumption (EC). Hence, TCs have found widespread employment in spectrum-constrained wireless communication applications, such as cellular telephony, wireless local space network, and broadcast systems. Recently, but, TCs have also been considered for energy-constrained wireless communication applications, such as wireless sensor networks and therefore the 'Net of Things.' In these applications, TCs might additionally be utilized for reducing the desired transmission EC, instead of improving the BER. However, TCs have comparatively high computational complexities, and hence, the associated signal-processing-connected ECs don't seem to be insignificant. Therefore, when parameterizing TCs for employment in energy-constrained applications, each the processing EC and also the transmission EC should be jointly thought-about. In this tutorial, we have a tendency to investigate holistic style methodologies conceived for this purpose. We tend to start by introducing turbo coding intimately, highlighting the numerous parameters of TCs and characterizing their impact on the encoded bit rate, on the radio frequency bandwidth demand, on the transmission EC and on the BER. Following this, energy-efficient TC decoder application-specific integrated circuit (ASIC) design styles are exemplified, and therefore the processing EC is characterised as a operate of the TC parameters. Finally, the TC parameters are selected so as to minimize the sum of the processing EC and therefore the transmission EC.


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