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Throughput optimal switching in multi-channel WLANs
By: Mingyan Liu; Qingsi Wang;
2011 / IEEE / 978-1-61284-824-2
This item was taken from the IEEE Conference ' Throughput optimal switching in multi-channel WLANs ' We observe that in a multi-channel system, an opportunistic channel access scheme that solely focuses on channel quality sensing measured by received SNR may induce users to use channels that, while providing better signals, are more congested. Ultimately the notion of channel quality should include both the signal quality and the level of congestion, and a good multi-channel access scheme should take both into account in deciding which channel to use and when. Motivated by this, we focus on the congestion aspect and examine what type of dynamic channel switching schemes may result in the best system throughput performance. Specifically we derive the stability region of a multi-user multi-channel WLAN system and determine the throughput optimal channel switching scheme within a certain class of schemes.
Telecommunication Congestion Control
Throughput Optimal Channel Switching
Opportunistic Channel Access
Channel Quality Sensing
Dynamic Channel Switching
System Throughput Performance
Multiuser Multichannel Wlan System
Ieee 802.11 Standards