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Performance Analysis of IEEE 802.11ax UL OFDMA-Based Random Access Mechanism | IEEE Conference Publication | IEEE Xplore

Performance Analysis of IEEE 802.11ax UL OFDMA-Based Random Access Mechanism

Publisher: IEEE

Abstract:

Recently, a revolutionary effort to seek fundamental improvement of 802.11, known as IEEE 802.11ax, has been approved to deliver high efficiency wireless local area netwo...View more

Abstract:

Recently, a revolutionary effort to seek fundamental improvement of 802.11, known as IEEE 802.11ax, has been approved to deliver high efficiency wireless local area network (HEW) technologies for dense scenario. The de-facto random access mechanism of IEEE 802.11ax is uplink OFDMA-based random access (UL OFDMA RA) mechanism. In this paper, we provide a simple but accurate analytical model to study the system efficiency and delay performance of UL OFDMA RA under saturated condition, in the assumption of a finite number of stations and ideal channel conditions in a single-hop WLAN. Simulations are conducted to validate analytical results. In addition, we use this analytical model to identify the appropriate OFDMA-based random access parameter set (RAPS) that can maximize the system performance, a feature which is essential for system design and configuration.
Date of Conference: 04-08 December 2017
Date Added to IEEE Xplore: 15 January 2018
ISBN Information:
Publisher: IEEE
Conference Location: Singapore

References

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