OFDMA中继系统中视频传输JCCA资源分配

2014 23rd International Conference on Computer Communication and Networks (ICCCN) Pub Date : 2014-09-29 DOI:10.1109/ICCCN.2014.6911834

Yimin Zhang, Guizhong Liu

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引用次数: 0

摘要

本文提出了一种用于OFDMA中继系统视频传输的联合内容感知和信道感知(JCCA)资源分配算法。它可以最大限度地积累分配的子载波对视频传输的贡献，从而在资源受限的条件下提高用户接收视频的整体质量。该算法从分组调度、路径选择和子载波分配三个方面来实现，同时考虑时变的数据内容和信道状态。在仿真结果中，我们将JCCA资源分配算法与其他用于OFDMA中继系统视频传输的资源分配算法进行了比较。实验表明，该算法能较好地提高用户接收视频的整体质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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JCCA resource allocation for video transmission in OFDMA relay system

In this paper, we propose a joint content and channel aware (JCCA) resource allocation algorithm for video transmission in OFDMA relay system. It can maximize accumulation of allocated subcarriers' contribution for video transmission so as to improve overall quality of users' received video under resource constrained conditions. As is explained in this work, the algorithm is implemented by packet scheduling, path selection and subcarrier allocation, in which time-varying data content and channel state are jointly considered at the same time. In the simulation results, we make comparison between the JCCA resource allocation algorithm and others for video transmission in OFDMA relay system. It is demonstrated that the proposed algorithm can perform better in improving overall quality of users' received video.

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2014 23rd International Conference on Computer Communication and Networks (ICCCN)

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