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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Perumal, S. Baras, J.S. |
| Copyright Year | 2011 |
| Description | Author affiliation: Institute for Systems Research, University of Maryland, College Park, 20742, USA (Perumal, S.; Baras, J.S.) |
| Abstract | In this paper, we develop and evaluate models for estimating various performance metrics for unicast traffic using a single frequency channel virtual-circuit Medium Access Control (MAC) protocol in mobile wireless ad-hoc networks. Time is divided into periodic frames with a portion reserved for control traffic and the rest divided into timeslots for data traffic. In order to avoid interference between neighboring links, the virtual-circuit MAC protocol uses a set of reservation rules to assign timeslots to links. One such virtual-circuit MAC protocol is the hard scheduling mode of the reservation based Unifying Slot Assignment Protocol (USAP) with the number of frequency channels in a frame set to one. USAP uses a set of generic reservation rules to avoid interference between neighboring links. We model the performance of a single frequency channel virtual-circuit MAC protocol using reduced load loss network models that couple the physical, MAC, and routing layers effects. The blocking probability of a call at a particular link is calculated by considering cliques of neighboring interfering links that cannot transmit simultaneously. These neighboring interfering links and the conflict graph are calculated using the virtual-circuit reservation rules. We compare our results with simulation and show good match for large networks across various offered loads. |
| Starting Page | 926 |
| Ending Page | 931 |
| File Size | 1809626 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467300797 |
| ISSN | 21557578 |
| e-ISBN | 9781467300810 |
| DOI | 10.1109/MILCOM.2011.6127798 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-11-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Mobile computing Load modeling Ad hoc networks |
| Content Type | Text |
| Resource Type | Article |
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