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Interference-aware QoS routing (IQRouting) for ad-hoc networks

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4 Author(s)
Gupta, R. ; California Univ., Berkeley, CA ; Zhanfeng Jia ; Tung, T. ; Walrand, J.

Traditional distributed algorithms for QoS routing in wired networks may not work in the ad-hoc domain, due to interference between links. We propose a heuristic interference-aware QoS routing algorithm (IQRouting) that chooses candidate paths based on localized information at the source nodes. The candidate paths are compared in a distributed manner using probe packets, with the best path confirmed by the destination node. Simulations demonstrate significant (up to 30 %) improvements in admission ratio over traditional shortest path algorithms, and better performance than other QoS routing algorithms in literature as well

Published in:

Global Telecommunications Conference, 2005. GLOBECOM '05. IEEE  (Volume:5 )

Date of Conference:

2-2 Dec. 2005