Survey and Perspective on Extremely High Throughput (EHT) WLAN — IEEE 802.11be

Yang, Mao; Li, Bo

doi:10.1007/s11036-020-01567-7

Cited by 29 publications

(14 citation statements)

References 64 publications

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“…2 and evaluate the performance of a MLO BSS as well as its coexistence with other MLO and legacy BSSs. 3…”

Section: Performance and Coexistence Of Mlomentioning

confidence: 99%

“…There will be 628 million Wi-Fi hotspots by 2023, four times up from 2018, 11% of which adopting Wi-Fi 6 and 6E [1], [2]. Meanwhile, a new generation of Wi-Fi-IEEE 802.11be, or Wi-Fi 7-is in the making, with technical discussions underway to determine the specific implementation of several disruptive new features [3]- [8]. The new capabilities of IEEE 802.11be will include 320 MHz bandwidth channels, 16 spatial streams, hybrid automatic repeat request (HARQ), and multi-band/channel aggregation and operation [9].…”

Section: Introductionmentioning

confidence: 99%

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Performance and Coexistence Evaluation of IEEE 802.11be Multi-link Operation

Carrascosa¹,

Giordano²,

Jönsson³

et al. 2022

Preprint

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Wi-Fi 7 is already in the making, and Multi-Link Operation (MLO) is one of the main features proposed in its correspondent IEEE 802.11be amendment. MLO will allow devices to coordinate multiple radio interfaces to access separate channels through a single association, aiming for improved throughput, network delay, and overall spectrum reuse efficiency. In this work, we study three reference scenarios to evaluate the performance of the two main MLO implementations-Multi-Link Multi-Radio (MLMR) and Multi-Link Single-Radio (MLSR)-, the interplay between multiple nodes employing them, and their coexistence with legacy Single-Link devices. Importantly, our results reveal that the potential of MLMR is mainly unleashed in isolated deployments or under unloaded network conditions. Instead, in medium-to high-load scenarios, MLSR may prove more effective in reducing the latency while guaranteeing fairness with contending Single-Link nodes.

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“…2 and evaluate the performance of a MLO BSS as well as its coexistence with other MLO and legacy BSSs. 3…”

Section: Performance and Coexistence Of Mlomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance and Coexistence Evaluation of IEEE 802.11be Multi-link Operation

Carrascosa¹,

Giordano²,

Jönsson³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…This section introduces the main technologies under discussion in TGbe for both PHY and MAC layers and discusses to what extent they would help to satisfy low-latency requirements. In general terms, and following the traditional IEEE 802.11 evolution, IEEE 802.11be will adopt IEEE 802.11ax contributions [ 5 ], further refining and extending them, and adding some new features [ 18 , 19 , 20 ].…”

Section: Ieee 80211bementioning

confidence: 99%

Time-Sensitive Networking in IEEE 802.11be: On the Way to Low-Latency WiFi 7

Adame

Carrascosa

Bellalta

2021

Sensors

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A short time after the official launch of WiFi 6, IEEE 802.11 working groups along with the WiFi Alliance are already designing its successor in the wireless local area network (WLAN) ecosystem: WiFi 7. With the IEEE 802.11be amendment as one of its main constituent parts, future WiFi 7 aims to include time-sensitive networking (TSN) capabilities to support low latency and ultra-reliability in license-exempt spectrum bands, enabling many new Internet of Things scenarios. This article first introduces the key features of IEEE 802.11be, which are then used as the basis to discuss how TSN functionalities could be implemented in WiFi 7. Finally, the benefits and requirements of the most representative Internet of Things low-latency use cases for WiFi 7 are reviewed: multimedia, healthcare, industrial, and transport.

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“…Now, the industry and academia are focusing on the key technology research and standardization of IEEE 802.11be, which is the next generation of IEEE 802.11ax. The IEEE 802.11be, also called extremely high throughput (EHT) or WiFi 7, is expected to be officially released in 2024 or 2025 [4]- [6]. It is worth noting that the IEEE 802 Standard Committee established the ultra-high reliability (UHR) study group (UHR SG) that is supposed to be the next generation WLAN standard beyond IEEE 802.11be in September 2022.…”

Section: Introductionmentioning

confidence: 99%

Insights on the Next Generation WLAN: High Experiences (HEX)

Yang¹,

Li²,

Yan³

2023

Preprint

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Wireless local area network (WLAN) witnesses a very fast growth in the past 20 years by taking the maximum throughput as the key technical objective. However, the quality of experience (QoE) is the most important concern of wireless network users. In this article, we point out that poor QoE is the most challenging problem of the current WLAN, and further analyze the key technical problems that cause the poor QoE of WLAN, including fully distributed networking architecture, chaotic random access, awkward "high capability", coarse-grained QoS architecture, ubiquitous and complicated interference, "no place" for artificial intelligence (AI), and heavy burden of standard evolving. To the best of our knowledge, this is the first work to point out that poor QoE is the most challenging problem of the current WLAN, and the first work to systematically analyze the technical problems that cause the poor QoE of WLAN. We highly suggest that achieving high experiences (HEX) be the key objective of the next generation WLAN.

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Survey and Perspective on Extremely High Throughput (EHT) WLAN — IEEE 802.11be

Cited by 29 publications

References 64 publications

Performance and Coexistence Evaluation of IEEE 802.11be Multi-link Operation

Performance and Coexistence Evaluation of IEEE 802.11be Multi-link Operation

Time-Sensitive Networking in IEEE 802.11be: On the Way to Low-Latency WiFi 7

Insights on the Next Generation WLAN: High Experiences (HEX)

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