Dedicated Restricted Target Wake Time for Real-Time Applications in Wi-Fi 7
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2024
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866917597307469824 |
|---|---|
| author | Belogaev, Andrey Shen, Xiaoman Pan, Chun Jiang, Xingfeng Blondia, Chris Famaey, Jeroen |
| author_facet | Belogaev, Andrey Shen, Xiaoman Pan, Chun Jiang, Xingfeng Blondia, Chris Famaey, Jeroen |
| contents | Real-time applications (RTA) tend to play a crucial role in people's everyday life. Such applications are among the key use cases for the next generations of wireless technologies. RTA applications are characterized by strict guaranteed delay requirements (in the order of a few milliseconds). One of the pillars of enabling RTA in next-generation Wi-Fi standards is Restricted Target Wake Time (R-TWT), which provides Wi-Fi stations exclusive channel access within negotiated service periods (SPs). If each RTA data flow uses dedicated SPs for data transmission, they are completely isolated from each other and do not experience any contention. To ensure the satisfaction of RTA QoS requirements while minimizing the channel airtime consumption, it is important to properly select the R-TWT parameters, namely the duration of SPs and the period between SPs. In this paper, we develop a mathematical model that estimates the delay probability distribution and packet loss probability for a given set of network, traffic and R-TWT parameters. Using this model, the access point can select the optimal R-TWT parameters for the given QoS requirements. The high accuracy of the model is proven by means of simulation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_15900 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Dedicated Restricted Target Wake Time for Real-Time Applications in Wi-Fi 7 Belogaev, Andrey Shen, Xiaoman Pan, Chun Jiang, Xingfeng Blondia, Chris Famaey, Jeroen Networking and Internet Architecture Real-time applications (RTA) tend to play a crucial role in people's everyday life. Such applications are among the key use cases for the next generations of wireless technologies. RTA applications are characterized by strict guaranteed delay requirements (in the order of a few milliseconds). One of the pillars of enabling RTA in next-generation Wi-Fi standards is Restricted Target Wake Time (R-TWT), which provides Wi-Fi stations exclusive channel access within negotiated service periods (SPs). If each RTA data flow uses dedicated SPs for data transmission, they are completely isolated from each other and do not experience any contention. To ensure the satisfaction of RTA QoS requirements while minimizing the channel airtime consumption, it is important to properly select the R-TWT parameters, namely the duration of SPs and the period between SPs. In this paper, we develop a mathematical model that estimates the delay probability distribution and packet loss probability for a given set of network, traffic and R-TWT parameters. Using this model, the access point can select the optimal R-TWT parameters for the given QoS requirements. The high accuracy of the model is proven by means of simulation. |
| title | Dedicated Restricted Target Wake Time for Real-Time Applications in Wi-Fi 7 |
| topic | Networking and Internet Architecture |
| url | https://arxiv.org/abs/2402.15900 |