基于Ising机的QUBO方法和数字退火器的自适应视频传输
Adaptive video transmission using QUBO method and Digital Annealer based on Ising machine
摘要：
随着视频流在网络总流量中的比例急剧增加，开发有效的算法以提高高质量的内容分发服务至关重要。自适应比特率控制（ABR）是根据网络条件选择合适的比特率，从而实现高质量视频流传输的关键技术。本文首次提出了一种基于Ising机的ABR策略，该策略采用二次无约束二进制优化（QUBO）方法和数字退火器（DA）。该方法通过仿真评估与现实世界的实测吞吐量，并与其他国家的最先进的方法进行比较。实验结果表明，该方法的性能优于现有的方法，从而证明了该方法的优越性。
英文摘要：
With the dramatically increasing video streaming in the total network traffic, it is critical to develop effective algorithms to promote the content delivery service of high quality. Adaptive bitrate (ABR) control is the most essential technique which determines the proper bitrate to be chosen based on network conditions, thus realize high-quality video streaming. In this paper, a novel ABR strategy is proposed based on Ising machine by using the quadratic unconstrained binary optimization (QUBO) method and Digital Annealer (DA) for the first time. The proposed method is evaluated by simulation with the real-world measured throughput, and compared with other state-of-the-art methods. Experiment results show that the proposed QUBO-based method can outperform the existing methods, which demonstrating the superior of the proposed QUBO-based method.
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