Connection Control by Virtual Admission in Wireless LAN Environment
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The traditional wireless technology confronted with some short-comings in practical use, such as insufficiency for bandwidth, and lack of guaranteed on Quality of Services (QoS). Both of the packet scheduling and connection admission control are the main consideration issues toward QoS networks. These two issues are mutually correlated. In this paper, we propose a measurement based with fake priority scheme for the control of connection admission in WLAN. As the concept of the virtual source and virtual MAC (VS/VMAC) is applied, the proposed scheme will not affect the transmission of existing traffic during traffic probing. The proposed scheme also provides a difference factor (D factor) for the compensation of the performance measured by VMAC. This factor is also applied to control the tightness of the policy of connection acceptance. The simulations results show that the proposed scheme can effectively manage the connection requests while maintaining QoS in WLAN.
KeywordsWLAN Connection Admission Control QoS
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- 3.Bianchi, G., Capone, A., Petrioli, C.: Throughput analysis of end-to-end measurement-based admission control in IP. In: Proc. IEEE INFOCOM 2000, vol. 3, pp. 1461–1470 (2000)Google Scholar
- 5.A New Admission Control Metric for VoIP Traffic in 802.11 Networks, http://www.research.avayalabs.com/techreport/ALR-2002-021-paper.pdf
- 6.Pong, D., Moors, T.: Call Admission Control for IEEE 802.11 Contention Access Mechanism. In: Proc. Globecom 2003, December 1-5, pp. 174–178 (2003)Google Scholar
- 7.Gahng-Seop, A., Campbell, A.T., Veres, A., Li-Hsiang, S.: SWAN: Service Differentiation in Stateless Wireless Ad Hoc Networks. In: Proc. IEEE Infocom 2002 (June 2002)Google Scholar
- 8.A New Measurement- Based Admission Control Method for IEEE802.11, Mitsubishi Electric Research Laboratory (2003) http://www.merl.com/reports/docs/TR2003-122.pdf
- 9.Visser, M., ElZarki, M.: Voice and data transmission over an 802.11 wireless network. In: Proceedings of PIMRC, Toronto, Canada (Sepember 1995)Google Scholar
- 11.Barry, M., Campbell, A.T., Veres, A.: Distributed Control Algorithms for Service Differentiation in Wireless Packet Networks. IEEE Infocom 2001 1, 582–590 (2001)Google Scholar