Abstract
This paper presents an adaptive resource control mechanism for multi-hop ad-hoc network systems, which avoids bottleneck problems caused by the node-fairness property of IEEE 802.11. In our proposal, the feedback information from the downstream bottleneck, derived from Request-To-Send (RTS) and Clear-To-Send (CTS) messages is utilized to control the Transmission Opportunity (TXOP) limit of the upstream nodes for traffic balancing. The proposed mechanism is modelled control-theoretically using the 20-sim control system modelling tool, which has the advantage that results can be obtained in a fast and efficient way. Compared to systems without resource control, a higher throughput and lower delay can be achieved under a variety of traffic load conditions as well as in dynamic network environments.
Original language | English |
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Publisher | Springer Verlag |
Number of pages | 14 |
Place of Publication | Berlin |
ISBN (Print) | 978-3-642-21559-9 |
DOIs | |
Publication status | Published - Jun 2011 |
Externally published | Yes |
Keywords
- METIS-278727
- EWI-20296
- Resource control – multi-hop – 802.11 – RTS/CTS – TXOP
- IR-77618