Revisiting of Channel Access Mechanisms in Mobile Wireless Networks through Exploiting Physical Layer Technologies
Revisiting of Channel Access Mechanisms in Mobile Wireless Networks through Exploiting Physical Layer Technologies
复制标题
通过利用物理层技术重新审视移动无线网络中的信道接入机制
DOI：
10.1155/2018/5967194
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发表时间：
2018-05
影响因子：
--
通讯作者：
Wei Lou
中科院分区：
文献类型：
--
作者：
Junmei Yao;Jun Xu;Yue Ling Che;Kaishun Wu;Wei Lou
随着移动设备的快速发展，无线局域网得到了广泛的部署，并且由于无人机的增长，无线局域网进一步进入了具有基础设施移动性的新应用。然而，无线局域网仍然面临着提高网络吞吐量以满足客户需求和对抗节点移动性的持续挑战。干扰是一个众所周知的问题，它会由于无线信号的广播特性而降低网络性能。此外，随着基础设施的移动性，干扰成为追求信道容量的关键障碍。802.11标准的MAC层设计中通过信道接入控制的传统干扰管理机制存在一些众所周知的缺陷，如暴露和隐藏的终端问题、低效的速率自适应和重传方案，使得高效的干扰管理成为多年来永恒的研究课题。近年来，利用物理层机制进行干扰管理引起了广泛的研究兴趣，并被证明是一种很有前途的提高网络吞吐量的方法，特别是在基础设施移动场景下，它为节点动态提供了更多的指标。本文介绍了一系列具有代表性的物理层技术，并分析了它们是如何用于干扰管理以提高网络性能的。我们还讨论了这一领域的研究挑战，并提出了未来可能的研究课题。
The wireless local area networks (WLANs) have been widely deployed with the rapid development of mobile devices and have further been brought into new applications with infrastructure mobility due to the growth of unmanned aerial vehicles (UAVs). However, the WLANs still face persistent challenge on increasing the network throughput to meet the customer’s requirement and fight against the node mobility. Interference is a well-known issue that would degrade the network performance due to the broadcast characteristics of the wireless signals. Moreover, with infrastructure mobility, the interference becomes the key obstacle in pursuing the channel capacity. Legacy interference management mechanism through the channel access control in the MAC layer design of the 802.11 standard has some well-known drawbacks, such as exposed and hidden terminal problems, inefficient rate adaptation, and retransmission schemes, making the efficient interference management an everlasting research topic over the years. Recently, interference management through exploiting physical layer mechanisms has attracted much research interest and has been proven to be a promising way to improve the network throughput, especially under the infrastructure mobility scenarios which provides more indicators for node dynamics. In this paper, we introduce a series of representative physical layer techniques and analyze how they are exploited for interference management to improve the network performance. We also provide some discussions about the research challenges and give potential future research topics in this area.
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影响因子：
7.9
作者：
Kaishun Wu;Haoyu Tan;Yunhuai Liu;Jin Zhang;Qian Zhang;L. Ni
通讯作者：
Kaishun Wu;Haoyu Tan;Yunhuai Liu;Jin Zhang;Qian Zhang;L. Ni
DOI：
10.1145/2348543.2348555
发表时间：
2014-12
期刊：
IEEE ACM Transactions on Networking
影响因子：
--
作者：
Eugenio Magistretti;Omer Gurewitz;E. Knightly
通讯作者：
Eugenio Magistretti;Omer Gurewitz;E. Knightly
DOI：
10.1109/infcom.2013.6566928
发表时间：
2013-04
期刊：
2013 Proceedings IEEE INFOCOM
影响因子：
--
作者：
Mahanth K. Gowda;Souvik Sen;Romit Roy Choudhury;Sung-Ju Lee
通讯作者：
Mahanth K. Gowda;Souvik Sen;Romit Roy Choudhury;Sung-Ju Lee
影响因子：
3.7
作者：
Sen, Souvik;Choudhury, Romit Roy;Nelakuditi, Srihari
通讯作者：
Nelakuditi, Srihari
DOI：
10.1145/1330107.1330140
发表时间：
2005-10
期刊：
--
影响因子：
--
作者：
Amit P. Jardosh;K. Ramachandran;K. Almeroth;E. Belding-Royer
通讯作者：
Amit P. Jardosh;K. Ramachandran;K. Almeroth;E. Belding-Royer