Cross-layer Resource Allocation with Outdated Channel State Information in Wireless Multi-hop Networks
-
摘要: 对于无线多跳网络跨层资源分配算法的研究大多是建立在假定每个节点能获得网络中其他节点的完美的信道状态信息(CSI)的基础上。但是由于信道的时变特性和CSI的反馈延时,在动态变化较快的无线网络中,节点所获得的CSI很可能是过时或者部分过时的。基于这个前提,该文首次在动态无线多跳网络跨层资源优化分配算法中考虑了CSI这种变化的影响,并提出了一种相应的分布式联合拥塞控制和功率分配算法。仿真结果证明该算法能够极大地提高网络效用和能量效用。Abstract: Most of the existing works on the cross-layer design of dynamic resource allocation in wireless multi-hop networks assume that every node can avail perfect Channel State Information (CSI) of other nodes in the networks. However, because of the channel fluctuations and the feedback delay, the availed CSI is usually outdated or partly outdated in a dynamic wireless network. In this paper, the impact of outdated channel information is firstly investigated in wireless multi-hop network, and a distributed joint congestion control and power control algorithm with outdated CSI is proposed. The simulation results demonstrate that the proposed algorithm significantly improves network efficiency and energy efficiency of the multi-hop networks.
期刊类型引用(4)
1. 李敏,年安君,王洁,徐晓明. 基于MAC层优先级调度的宽带电力线跨层资源分配. 信息技术. 2019(01): 142-145+150 . 百度学术
2. 冯维,徐永鑫,刘浩,许晓荣,姚英彪. 无线多跳网络快速跨层资源优化分配算法. 电子与信息学报. 2019(05): 1217-1224 . 本站查看
3. 臧军贺. 基于电力线通信的工业供配电系统研究. 计算机与数字工程. 2018(10): 2083-2088 . 百度学术
4. 王晓楠,巨永锋,高婷,张福泉. 基于粒子群算法的无线信道资源分配算法研究. 计算机科学. 2017(10): 109-112+141 . 百度学术
其他类型引用(6)
-
计量
- 文章访问数: 2008
- HTML全文浏览量: 96
- PDF下载量: 537
- 被引次数: 10