Medium access control mechanism and performance analysis for in band full duplex wireless networks

被引：0
|
作者：
Sun Y. [1 ]
Qu Q. [1 ]
Wang B. [1 ]
Zuo H. [1 ]
Wang X. [1 ]
机构：
[1] School of Information and Control Engineering, China Univ. of Mining and Technology, Xuzhou
来源：
| 2018年 / Science Press卷 / 45期
关键词：
In-band full-duplex; MAC mechanism; Performance analysis; Throughput; Wireless networks;
D O I：
10.3969/j.issn.1001-2400.2018.03.022
中图分类号：
学科分类号：
摘要：
This paper considers an in-band full-duplex wireless network that consists of an AP with full-duplex capability and multiple clients without full-duplex capability. When AP initiates a channel access request, the uplink of the AP is in the idle state in the data transmission stage, which limits the increase of network throughput. Therefore, a new MAC mechanism called Asymmetrical Full Duplex (AFD) is proposed, which can establish an asymmetric IBFD bidirectional link through primary channel access. No matter what node wins the channel, the mechanism can ensure that the uplink flow and the downlink flow of the AP communicate simultaneously at the same frequency. In this way, the throughput of the wireless network is greatly improved. Both analysis and numerical simulations are carried out to evaluate the performance of the proposed MAC mechanism. The results show that the throughput of the AFD-MAC is nearly doubled compared with the RTS/CTS mechanism. © 2018, The Editorial Board of Journal of Xidian University. All right reserved.
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页码：123 / 129
页数：6
相关论文
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