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E1 Conference Papers >
2006 Auswireless Conference >
Please use this identifier to cite or link to this item:
http://hdl.handle.net/2100/169
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| Title: | The Voice Capacity of WiFi for Best Effort and Prioritized Traffic |
| Authors: | Dao, Nghia T
Wei, Xun
Malaney, Robert A. |
| Issue Date: | 12-Mar-2007 |
| Abstract: | Crucial to supporting voice over 802.11b is the knowledge of voice capacity (Nc) of a single Access Point. This paper provides an analytical formulation of Nc in the case where all traffic in the network is voice. Our formulation, which can apply to a range of voice codec specifications, are verified by detailed simulations. We also investigate how to deliver, within the 802.11b standard, priority service to voice in the presence of best effort background traffic. It is known that the voice capacity degrades very quickly in the presence of other traffic sources if all packets are treated as best effort. Using an experimental deployment in which all voice packets are prioritized by having their channel back-off times set to zero, we determine the rate of the best effort background traffic below which our analytical formulation of voice-only capacity remains useful. |
| URI: | http://hdl.handle.net/2100/169 |
| Appears in Collections: | 2006 Auswireless Conference
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