OPTIMIZING TRANSMISSION OF WIRELESS VIDEO SURVEILLANCE USING COMBINED UEP STRATEGY
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 4, Issue 7
Abstract
Applications of Wireless communications are undergoing major expansion and have attracted a great attention not only in the media but also in imagination of the public. However, wireless channels are known to generate a high number of errors which perturb complex multimedia applications such as image or video transmission. While transmitting source-encoded data, not all information bits are equally important, due to the different sensitivity of the source decoder to errors. We have studied rate-compatible punctured convolutional (RCPC) codes concatenated with hierarchical modulation to achieve bit stream for video application. In order to optimize the protection rate and ensure better protection an Unequal Error Protection (UEP) strategy is introduced, where we take the hierarchy of the information into account.
Authors and Affiliations
Allah-ngoi Yorbana*
Keywords
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