A probabilistic approach for V2V relay contention based on channel state information

Sok-Ian Sou, Bing Jyun Lin, Yinman Lee

研究成果: Conference contribution

3 引文 (Scopus)

摘要

In a drive-thru Internet vehicular network, vehicles can communicate with access points (APs) for the Internet services. When a vehicle leaves the AP's transmission range, it encounters intermittent connectivity and unreliable connection. Using vehicle-to-vehicle (V2V) relay can loosen the limitation of transmission coverage. However, the harsh conditions of wireless channel and the rapid change of vehicle topology remain the challenge for relay selection. The relay candidate with a better channel quality can forward the packet with a higher data rate. Therefore, the MAC layer mechanisms are needed to exploit the multi-rate capability in the PHY layer. This paper utilizes the channel state information to exploit good channel quality for the relay link between the sender and the receiver. The objective is to increase the opportunity of channel access for the relay candidate with better channel quality. Considering various issues, such as the collision probability, packet delivery ratio, and delivery delay, we propose an analytical model to dynamically configure the window size for channel contention. Numerical results show that the proposed method outperforms the basic DCF and distance-based DCF.

原文English
主出版物標題2013 IEEE Wireless Communications and Networking Conference, WCNC 2013
頁面505-509
頁數5
DOIs
出版狀態Published - 2013
事件2013 IEEE Wireless Communications and Networking Conference, WCNC 2013 - Shanghai, China
持續時間: 2013 四月 72013 四月 10

Other

Other2013 IEEE Wireless Communications and Networking Conference, WCNC 2013
國家China
城市Shanghai
期間13-04-0713-04-10

指紋

Channel state information
Internet
Analytical models
Topology

All Science Journal Classification (ASJC) codes

  • Engineering(all)

引用此文

Sou, S-I., Lin, B. J., & Lee, Y. (2013). A probabilistic approach for V2V relay contention based on channel state information. 於 2013 IEEE Wireless Communications and Networking Conference, WCNC 2013 (頁 505-509). [6554615] https://doi.org/10.1109/WCNC.2013.6554615
Sou, Sok-Ian ; Lin, Bing Jyun ; Lee, Yinman. / A probabilistic approach for V2V relay contention based on channel state information. 2013 IEEE Wireless Communications and Networking Conference, WCNC 2013. 2013. 頁 505-509
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Sou, S-I, Lin, BJ & Lee, Y 2013, A probabilistic approach for V2V relay contention based on channel state information. 於 2013 IEEE Wireless Communications and Networking Conference, WCNC 2013., 6554615, 頁 505-509, 2013 IEEE Wireless Communications and Networking Conference, WCNC 2013, Shanghai, China, 13-04-07. https://doi.org/10.1109/WCNC.2013.6554615

A probabilistic approach for V2V relay contention based on channel state information. / Sou, Sok-Ian; Lin, Bing Jyun; Lee, Yinman.

2013 IEEE Wireless Communications and Networking Conference, WCNC 2013. 2013. p. 505-509 6554615.

研究成果: Conference contribution

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AB - In a drive-thru Internet vehicular network, vehicles can communicate with access points (APs) for the Internet services. When a vehicle leaves the AP's transmission range, it encounters intermittent connectivity and unreliable connection. Using vehicle-to-vehicle (V2V) relay can loosen the limitation of transmission coverage. However, the harsh conditions of wireless channel and the rapid change of vehicle topology remain the challenge for relay selection. The relay candidate with a better channel quality can forward the packet with a higher data rate. Therefore, the MAC layer mechanisms are needed to exploit the multi-rate capability in the PHY layer. This paper utilizes the channel state information to exploit good channel quality for the relay link between the sender and the receiver. The objective is to increase the opportunity of channel access for the relay candidate with better channel quality. Considering various issues, such as the collision probability, packet delivery ratio, and delivery delay, we propose an analytical model to dynamically configure the window size for channel contention. Numerical results show that the proposed method outperforms the basic DCF and distance-based DCF.

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Sou S-I, Lin BJ, Lee Y. A probabilistic approach for V2V relay contention based on channel state information. 於 2013 IEEE Wireless Communications and Networking Conference, WCNC 2013. 2013. p. 505-509. 6554615 https://doi.org/10.1109/WCNC.2013.6554615