Abstract
Frequency-domain contention is a promising technique that can significantly improve channel utilization. Recently, a novel multi-subcarrier frequency-domain contention protocol called WiFi-BA has been proposed to solve the collision issue between data transmissions in single-subcarrier frequency-domain contention protocols. In this paper, however, we reveal that WiFi-BA has serious design defects, which will cause a new type of collision between data transmission and contention signal. We then analyze the root cause leading to such a collision and provide solutions to fix it.
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CITATION STYLE
Zeng, Y., & Zhao, Q. (2017). A novel collision analysis for multiple-subcarrier frequency-domain contention. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 10251 LNCS, pp. 37–46). Springer Verlag. https://doi.org/10.1007/978-3-319-60033-8_4
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