Improved random channel access for OFDMA wireless networks
- Author
- Goutam Das (UGent) , Bart Lannoo (UGent) , Didier Colle (UGent) , Mario Pickavet (UGent) and Piet Demeester (UGent)
- Organization
- Abstract
- In this paper we propose a new random channel access protocol to reduce the channel access delay in a multichannel orthogonal frequency division multiple access (OFDMA) wireless networks. In particular, we propose a two dimensional random walk through time and frequency domain slots simultaneously to reduce the random channel access delay for the IEEE 802.16e-2005 based WiMAX media access control (MAC) protocol. We prove through simulation that our proposed scheme improves upon the existing random channel access mechanism with truncated binary back-off, currently implemented in WiMAX. We demonstrated that with our proposed channel access mechanism, a mobile node with real time traffic requirements will have minimum service disruption due to the reduced delay in the initial ranging and the bandwidth request phase while changing rooms.
- Keywords
- WiMAX, OFDMA, Random Channel Access
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-1268195
- MLA
- Das, Goutam, et al. “Improved Random Channel Access for OFDMA Wireless Networks.” IEEE Wireless Communications and Networking Conference (WCNC), IEEE, 2011, pp. 315–20, doi:10.1109/WCNC.2011.5779150.
- APA
- Das, G., Lannoo, B., Colle, D., Pickavet, M., & Demeester, P. (2011). Improved random channel access for OFDMA wireless networks. IEEE Wireless Communications and Networking Conference (WCNC), 315–320. https://doi.org/10.1109/WCNC.2011.5779150
- Chicago author-date
- Das, Goutam, Bart Lannoo, Didier Colle, Mario Pickavet, and Piet Demeester. 2011. “Improved Random Channel Access for OFDMA Wireless Networks.” In IEEE Wireless Communications and Networking Conference (WCNC), 315–20. Piscataway, NJ, USA: IEEE. https://doi.org/10.1109/WCNC.2011.5779150.
- Chicago author-date (all authors)
- Das, Goutam, Bart Lannoo, Didier Colle, Mario Pickavet, and Piet Demeester. 2011. “Improved Random Channel Access for OFDMA Wireless Networks.” In IEEE Wireless Communications and Networking Conference (WCNC), 315–320. Piscataway, NJ, USA: IEEE. doi:10.1109/WCNC.2011.5779150.
- Vancouver
- 1.Das G, Lannoo B, Colle D, Pickavet M, Demeester P. Improved random channel access for OFDMA wireless networks. In: IEEE Wireless Communications and Networking Conference (WCNC). Piscataway, NJ, USA: IEEE; 2011. p. 315–20.
- IEEE
- [1]G. Das, B. Lannoo, D. Colle, M. Pickavet, and P. Demeester, “Improved random channel access for OFDMA wireless networks,” in IEEE Wireless Communications and Networking Conference (WCNC), Cancun, Mexico, 2011, pp. 315–320.
@inproceedings{1268195, abstract = {{In this paper we propose a new random channel access protocol to reduce the channel access delay in a multichannel orthogonal frequency division multiple access (OFDMA) wireless networks. In particular, we propose a two dimensional random walk through time and frequency domain slots simultaneously to reduce the random channel access delay for the IEEE 802.16e-2005 based WiMAX media access control (MAC) protocol. We prove through simulation that our proposed scheme improves upon the existing random channel access mechanism with truncated binary back-off, currently implemented in WiMAX. We demonstrated that with our proposed channel access mechanism, a mobile node with real time traffic requirements will have minimum service disruption due to the reduced delay in the initial ranging and the bandwidth request phase while changing rooms.}}, articleno = {{12031286}}, author = {{Das, Goutam and Lannoo, Bart and Colle, Didier and Pickavet, Mario and Demeester, Piet}}, booktitle = {{IEEE Wireless Communications and Networking Conference (WCNC)}}, isbn = {{9781612842547}}, keywords = {{WiMAX,OFDMA,Random Channel Access}}, language = {{eng}}, location = {{Cancun, Mexico}}, pages = {{12031286:315--12031286:320}}, publisher = {{IEEE}}, title = {{Improved random channel access for OFDMA wireless networks}}, url = {{http://doi.org/10.1109/WCNC.2011.5779150}}, year = {{2011}}, }
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