Performance of 802.11be Wi-Fi 7 with Multi-Link Operation on AR Applications

被引:3
|
作者
Alsakati, Molham [1 ]
Pettersson, Charlie [2 ]
Max, Sebastian [3 ]
Moothedath, Vishnu Narayanan [1 ]
Gross, James [1 ]
机构
[1] KTH Royal Inst Technol, Dept Intelligent Syst, Stockholm, Sweden
[2] Ericsson Res, Stockholm, Sweden
[3] Ericsson Res, Aachen, Germany
关键词
Wi-Fi; 7; IEEE; 802.11be; MLO; Multi-link; AR;
D O I
10.1109/WCNC55385.2023.10118866
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Since its first release in the late 1990s, Wi-Fi has been updated to keep up with evolving user needs. Recently, Wi-Fi and other radio access technologies have been pushed to their edge when serving Augmented Reality (AR) applications. AR applications require high throughput, low latency, and high reliability to ensure a high-quality user experience. The 802.11be amendment - which will be marketed as Wi-Fi 7 - introduces several features that aim to enhance its capabilities to support challenging applications like AR. One of the main features introduced in this amendment is Multi-Link Operation (MLO) which allows nodes to transmit and receive over multiple links concurrently. When using MLO, traffic is distributed among links using an implementation-specific traffic-to-link allocation policy. This paper aims to evaluate the performance of MLO, using different policies, in serving AR applications compared to Single-Link (SL). Experimental simulations using an event-based Wi-Fi simulator have been conducted. Our results show the general superiority of MLO when serving AR applications. MLO achieves lower latency and serves a higher number of AR users compared to SL with the same frequency resources. In addition, increasing the number of links can improve the performance of MLO. Regarding traffic-to-link allocation policies, we found that policies can be more susceptible to channel blocking, resulting in possible performance degradation.
引用
收藏
页数:6
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