IEEE 802.11ax UORA Performance Enhancement through Temporal Resource Recycling 


Vol. 50,  No. 9, pp. 1409-1416, Sep.  2025
10.7840/kics.2025.50.9.1409


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  Abstract

In this paper, we propose an efficient reuse method for UL TXOP(Uplink Transmission Opportunity) in UORA(Uplink OFDMA Random Access) mechanism within IEEE 802.11ax-based OFDMA (Orthogonal Frequency Division Multiple Access) environments. Unlike 802.11ax standard, our proposed mechanism enhances performance by providing additional transmission opportunities to other stations when data transmission completes earlier than the allocated UL TXOP time or when collisions occur, effectively reallocating these resources. Simulation results demonstrate that the proposed mechanism exhibits superior performance compared to the standard method in terms of throughput and channel utilization, with particularly significant performance improvements as the length of the UL TXOP interval increases.

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[IEEE Style]

D. Lee and H. Baek, "IEEE 802.11ax UORA Performance Enhancement through Temporal Resource Recycling," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 9, pp. 1409-1416, 2025. DOI: 10.7840/kics.2025.50.9.1409.

[ACM Style]

Dongkyu Lee and Hoki Baek. 2025. IEEE 802.11ax UORA Performance Enhancement through Temporal Resource Recycling. The Journal of Korean Institute of Communications and Information Sciences, 50, 9, (2025), 1409-1416. DOI: 10.7840/kics.2025.50.9.1409.

[KICS Style]

Dongkyu Lee and Hoki Baek, "IEEE 802.11ax UORA Performance Enhancement through Temporal Resource Recycling," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 9, pp. 1409-1416, 9. 2025. (https://doi.org/10.7840/kics.2025.50.9.1409)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880