Link Adaptation for Wireless Video Communication Systems
Husameldin Mukhtar

TL;DR
This thesis develops algorithms to optimize throughput, power, and complexity in wireless video communication systems using HARQ and turbo codes, achieving significant power savings and improved performance.
Contribution
It introduces novel power optimization, complexity reduction, and content-aware HARQ algorithms tailored for wireless video transmission.
Findings
Power savings of up to 80% with new algorithms
Complexity reduction through coding gain analysis
Enhanced throughput with CRC-free HARQ for short packets
Abstract
This PhD thesis considers the performance evaluation and enhancement of video communication over wireless channels. The system model considers hybrid automatic repeat request (HARQ) with Chase combining and turbo product codes (TPC). The thesis proposes algorithms and techniques to optimize the throughput, transmission power and complexity of HARQ-based wireless video communication. A semi-analytical solution is developed to model the performance of delay-constrained HARQ systems. The semi-analytical and Monte Carlo simulation results reveal that significant complexity reduction can be achieved by noting that the coding gain advantage of the soft over hard decoding is reduced when Chase combining is used, and it actually vanishes completely for particular codes. Moreover, the thesis proposes a novel power optimization algorithm that achieves a significant power saving of up to 80%.…
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Taxonomy
TopicsAdvanced Wireless Network Optimization · Advanced MIMO Systems Optimization · Cooperative Communication and Network Coding
