2018
DOI: 10.1109/twc.2018.2845410
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Uplink Access Protocol in IEEE 802.11ac

Abstract: The IEEE 802.11ac amendment enhances WLAN throughput by exploiting the spatial diversity of the antennas in a multi-user multi-input multi-output downlink transmission. Still, network resources remain under-utilized in uplink transmission due to single-user communication. In this paper, we propose an access point-controlled MAC protocol (A-MAC) that enables simultaneous transmissions from multiple STAs in uplink. The protocol uses the EDCA channel access technique to initiate multi-user transmission and the OF… Show more

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Cited by 6 publications
(2 citation statements)
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“…as discussed in [6]. Finally, probability of successful transmission in the presence of hidden nodes can be expressed as γ k,h = γ k f ncoll , where γ k is the probability of successful transmission but without any hidden node.…”
Section: Modeling Hidden Nodesmentioning
confidence: 99%
See 1 more Smart Citation
“…as discussed in [6]. Finally, probability of successful transmission in the presence of hidden nodes can be expressed as γ k,h = γ k f ncoll , where γ k is the probability of successful transmission but without any hidden node.…”
Section: Modeling Hidden Nodesmentioning
confidence: 99%
“…When a non-HE STA wins the contention, a single user transmission will take place. This limitation has been removed in a recently proposed multi-user access protocol for uplink [6] which allows multiple legacy STAs to transmit in uplink direction using MU-MIMO technique.…”
Section: Introductionmentioning
confidence: 99%