Abstract
The random obstacles in the shallow sea environment, the irregular underwater pavement and the high quality requirements of multimedia transmission make the multimedia applications of shallow sea face the problems of high bit error rate, low transmission rate and low video quality. In order to solve these problems, this paper proposes a multimedia transmission mechanism and its architecture for wireless communication in shallow water based on time-frequency mode autonomous separation. Firstly, based on the complex and changeable seabed structure, the underwater biota movement track and the dynamic topology of end to end communication, a shallow sea wireless multimedia transmission system is constructed. Secondly, based on the performance of multimedia streaming in the time domain and frequency domain, a real-time multimedia transmission control mechanism for the time frequency separation of autonomous controlled multimedia signals from FS and TS is proposed. Finally, the simulation experiment and the field test results of shallow sea show that the proposed algorithm has superior performance in transmission rate, transmission efficiency, delivery rate and real-time performance.
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Acknowledgements
1. The National Natural Science Foundation of China (NSFC)(No.61762086).
2. National natural science foundation. No.11671119.
3. The Scientific and Technological Research Program of Henan Province. No.172102210111.
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Sun, Ln., Li, Wp. & Yasen, A. MTSW-SSTF: a wireless multimedia transmission scheme based on self-separation of time-frequency mode for shallow water. Multimed Tools Appl 78, 8827–8839 (2019). https://doi.org/10.1007/s11042-018-6457-8
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DOI: https://doi.org/10.1007/s11042-018-6457-8