| Preemptive routing in Ad Hoc networks |
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International Conference on Mobile Computing and Networking
archive
Proceedings of the 7th annual international conference on Mobile computing and networking
table of contents
Rome, Italy
Pages: 43 - 52
Year of Publication: 2001
ISBN:1-58113-422-3
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Authors
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Tom Goff
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Computer Science and Electrical Engineering Department, University of Maryland, Baltimore County (UMBC), Baltimore, MD
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Nael B. Abu-Ghazaleh
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Computer System Research Laboratory, Computer Science Dept., Binghamton University, Binghamton, NY
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Dhananjay S. Phatak
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Computer Science and Electrical Engineering Department, University of Maryland, Baltimore County (UMBC), Baltimore, MD
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Ridvan Kahvecioglu
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Computer System Research Laboratory, Computer Science Dept., Binghamton University, Binghamton, NY
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Downloads (6 Weeks): 27, Downloads (12 Months): 99, Citation Count: 30
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 ABSTRACT
Existing on-demand ad-hoc routing algorithms initiate route discovery only after a path breaks, incurring a significant cost in detecting the disconnection and establishing a new route. In this work, we investigate adding proactive route selection and maintenance to on-demand ad-hoc routing algorithms. More specifically, when a path is likely to be broken, a warning is sent to the source indicating the likelihood of a disconnection. The source can then initiate path discovery early, potentially avoiding the disconnection altogether. A path is considered likely to break when the received packet power becomes close to the minimum detectable power (other approaches are possible). Care must be taken to avoid initiating false route warnings due to fluctuations in received power caused by fading, multipath effects and similar random transient phenomena. Experiments demonstrate that adding proactive route selection and maintenance to DSR and AODV (on-demand ad hoc routing protocols) significantly reduces the number of broken paths, with a small increase in protocol overhead. Packet latency and jitter also goes down in most cases. We also show some experimental results obtained by running TCP on top of the proactive routing schemes proposed. Several improvements and extensions are also discussed. Pro-active route selection and maintenance is general and can be used with other routing algorithms and optimizations to them.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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CITED BY 30
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Douglas S. J. De Couto , Daniel Aguayo , John Bicket , Robert Morris, A high-throughput path metric for multi-hop wireless routing, Proceedings of the 9th annual international conference on Mobile computing and networking, September 14-19, 2003, San Diego, CA, USA
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Richard Draves , Jitendra Padhye , Brian Zill, Routing in multi-radio, multi-hop wireless mesh networks, Proceedings of the 10th annual international conference on Mobile computing and networking, September 26-October 01, 2004, Philadelphia, PA, USA
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Shouyi Yin , Yongqiang Xiong , Qian Zhang , Xiaokang Lin, Prediction-based routing for real time communications in wireless multi-hop networks, Proceedings of the 3rd international conference on Quality of service in heterogeneous wired/wireless networks, August 07-09, 2006, Waterloo, Ontario, Canada
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Erik Weiss , Guido Hiertz , Bangnan Xu , Sven Hischke , Bernhard Walke , Sebastian Gross, Improving routing performance in wireless ad hoc networks using cross-layer interactions, Ad Hoc Networks, v.5 n.5, p.579-599, July, 2007
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Husnain Mansoor Ali , Amina Meraihi Naimi , Anthony Busson , Véronique Vèque, An efficient link management algorithm for high mobility mesh networks, Proceedings of the 5th ACM international workshop on Mobility management and wireless access, October 22-22, 2007, Chania, Crete Island, Greece
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Yoo-seung Won , Jin-woo Hyun , Sang-Eon Kim , Jae-il Jung, LARMA: location-aided route maintenance algorithm for mobile ad-hoc networks, Proceedings of the 8th conference on Applied computer scince, p.337-342, November 21-23, 2008, Venice, Italy
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