Improving Spatial Reuse of Wireless LAN Uplink Using BSS Color and Proximity Information

Author:

Kim HyerinORCID,So JungminORCID

Abstract

With the density of wireless networks increasing rapidly, one of the major goals in next-generation wireless LANs (Local Area Networks) is to support a very dense network with a large number of closely deployed APs (Access Points) and crowded users. However, the CSMA (Carrier-Sense Multiple Access)-based medium access control of current wireless network systems suffers from significantly degraded performance when the network becomes dense. Recent WLAN (Wireless Local Area Networks) standards include measures for increasing spatial reuse such as BSS (Basic Service Set) coloring, but the schemes based on BSS coloring such as OBSS/PD (Overlapping BSS/Preamble Detection) have limitations in improving spatial reuse. In this paper, we propose a spatial reuse method for uplink which can utilize BSS color and proximity information to improve the efficiency of carrier sensing and thus spatial reuse. Specifically, through the BSS color and the proximity information, a node receiving a preamble can figure out how far the receiver of the ongoing traffic is located. This information is used to determine whether the node should aggressively start transmitting or defer its transmission to protect the ongoing transmission. Simulation results show that the proposed method outperforms existing methods in terms of throughput and fairness.

Funder

National Research Foundation of Korea

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Cooperate or Not Cooperate: Transfer Learning With Multi-Armed Bandit for Spatial Reuse in Wi-Fi;IEEE Transactions on Machine Learning in Communications and Networking;2024

2. Behavior of IEEE 802.11 devices under interference;2023 IEEE 28th International Conference on Emerging Technologies and Factory Automation (ETFA);2023-09-12

3. An Analysis of the Mixed IEEE 802.11ax Wireless Networks in the 5 GHz Band;Sensors;2023-05-22

4. More WiFi for everyone: Increasing spectral efficiency in WiFi6 networks using a distributed OBSS/PD mechanism;Turkish Journal of Electrical Engineering and Computer Sciences;2023-05-01

5. Improving Spatial Reuse of Wireless LANs using Contextual Bandits;IEEE Transactions on Wireless Communications;2023

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