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1. Zhang, Junyi. MAC Layer DATA/ACK Handshake in the Hybrid VLC-RF System.

Degree: MS, Engineering, 2016, Rice University

The hybrid VLC-RF system utilizes a uni-directional VLC link for downlink and the legacy Wi-Fi link for uplink transmission. However, simply integrating the two links without any modi cation in the MAC layer would cause problems for the MAC layer DATA/ACK handshake. The acknowledgements for VLC packets have to be transmitted via ra- dio. Because of the Wi-Fi channel's contention based random access, the transmission will be delayed and degrades the performance of the legacy Wi-Fi, especially when the Wi-Fi channel is heavily loaded. In my the- sis, I design and analyze the Spoofed NAV Triggered Multi-client ACKs (STMA) scheme to transmit the delay-sensitive VLC ACK timely while keep the degradation of legacy Wi-Fi under-control. I implement the key components of STMA and evaluate its performance with a combination of over-the-air experiments and trace-driven simulations. The result shows that in a dense WLAN scenario, STMA reduces the response delay and legacy Wi-Fi degradation signi cantly in comparison to 802.11 contention- based approach. Advisors/Committee Members: Knightly, Edward W (advisor).

Subjects/Keywords: Hybrid VLC-RF; MAC Protocol; DATA/ACK Handshake

DATA/ACK handshake cannot be implemented in those systems. Therefore, when packet loss occurs… …sublayer receives the VLC ACK and forward it up to the VLC MAC, thus the DATA/ACK handshake is… …transmit MAC layer acknowledgement (called VLC ACK) for the downlink VLC data packets… …implement the RF part of STMA in the ns-3 simulator and collect the VLC ACK transmission data in… …take the VLC ACK transmission data as input. The result shows that in a dense WLAN scenario… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Zhang, J. (2016). MAC Layer DATA/ACK Handshake in the Hybrid VLC-RF System. (Masters Thesis). Rice University. Retrieved from http://hdl.handle.net/1911/96544

Chicago Manual of Style (16th Edition):

Zhang, Junyi. “MAC Layer DATA/ACK Handshake in the Hybrid VLC-RF System.” 2016. Masters Thesis, Rice University. Accessed October 17, 2019. http://hdl.handle.net/1911/96544.

MLA Handbook (7th Edition):

Zhang, Junyi. “MAC Layer DATA/ACK Handshake in the Hybrid VLC-RF System.” 2016. Web. 17 Oct 2019.

Vancouver:

Zhang J. MAC Layer DATA/ACK Handshake in the Hybrid VLC-RF System. [Internet] [Masters thesis]. Rice University; 2016. [cited 2019 Oct 17]. Available from: http://hdl.handle.net/1911/96544.

Council of Science Editors:

Zhang J. MAC Layer DATA/ACK Handshake in the Hybrid VLC-RF System. [Masters Thesis]. Rice University; 2016. Available from: http://hdl.handle.net/1911/96544

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