激光技术, 2016, 40 (3): 451, 网络出版: 2016-05-11   

基于空分复用的多信道机间紫外光通信定向MAC协议

Multi-channel directional media access control protocol for airborne ultraviolet communication based on space division multiplexing
作者单位
空军工程大学 信息与导航学院,西安 710077
摘要
为了弥补飞行编队任务分配情况和不同模式下紫外光定向通信存在“耳聋”问题的缺陷,采用一种基于空分复用的多信道机间紫外光通信定向信道接入协议,建立了机间紫外光通信网络模型。通过在紫外节点安装多个不同方向的紫外收发装置来实现多信道信息交换,并仿真验证了多信道通信使“耳聋”问题得到明显缓解,提高了网络吞吐量,降低了网络时延,使得网络性能显著改善。结果表明,多信道通信与单信道通信相比,网络吞吐量增加,平均时延减小,网络性能大幅度提高,并且采用三信道通信模式通信效果最佳。
Abstract
To make up for the deafness of ultraviolet directional communication, a multi-channel media access control protocol for airborne ultraviolet communication based on space division multiplexing was designed and an ultraviolet communication network model was established. Several UV transceivers with different directions were installed on an ultraviolet node to realize multi-channel information exchange. The performance of the new protocol was simulated and evaluated. The results show that compared with the single-channel communication protocol, the multi-channel communication protocol has the characteristics of low delay and high throughput so that the “deafness” problem can be significantly alleviated and the network performance is greatly improved. Three-channel communication mode is the best option.

张曦文, 赵尚弘, 李勇军, 邓博于, 程振. 基于空分复用的多信道机间紫外光通信定向MAC协议[J]. 激光技术, 2016, 40(3): 451. ZHANG Xiwen, ZHAO Shanghong, LI Yongjun, DENG Boyu, CHENG Zhen. Multi-channel directional media access control protocol for airborne ultraviolet communication based on space division multiplexing[J]. Laser Technology, 2016, 40(3): 451.

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