Impact of hidden nodes on uplink transmission in IEEE 802.11ax heterogeneous network

被引：0
|
作者：
Ali, M. Zulfiker [1 ]
Misic, Jelena [1 ]
Misic, Vojislav B. [1 ]
机构：
[1] Ryerson Univ, Toronto, ON M5B 2K3, Canada
来源：
2018 14TH INTERNATIONAL WIRELESS COMMUNICATIONS & MOBILE COMPUTING CONFERENCE (IWCMC) | 2018年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The IEEE 802.11ax draft of high efficiency (HE) amendment to the ubiquitous 802.11 standard aims at increasing spectral and power efficiency of the network. However, the performance degradation due to hidden terminal problem had always been a concern especially in uplink transmission. Although the trigger based uplink transmission in IEEE 802.11ax is successful to some extent, the hidden node problem still persists in coexisting network. In particular, the uplink throughput is drastically reduced with the increase of packet arrival rate in presence of hidden node. To combat the hidden terminal problem, we propose to increase the carrier sensing threshold (CSTH) of STAs during association with HE access point (AP). Our analysis shows that this approach allows collision probability in uplink transmission to be reduced significantly.
引用
收藏
页码：118 / 123
页数：6
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