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Cost determination method for multihop communication network, involves determining simultaneously potential next hop nodes for one node from source node to destination node, so that potential node jointly optimizes preset cost function.
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
2003 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

NOVELTY - Several simultaneously potential next hop nodes are determined for one of multiple nodes from a source node (S) to destination node (d) in the network, such that the potential node jointly optimizes preset cost function. The optimal cost for multiple nodes, is determined to be equal to the optimized value of the preset cost function. USE - For determination of cost in multihop communication network. ADVANTAGE - Provides robustness under node failure, varying node availability and node mobility. Provides robustness under varying channel quality due to fading and interference. Supports multipath routing. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) system for cost determination in multihop communication network; (2) method for cost optimization in routing protocol; and (3) node in multihop communication network. DESCRIPTION OF DRAWING(S) - The figure shows the multihop network schematically. destination node (d) node (i) source node (S) subset (S')

Place, publisher, year, edition, pages
Keyword [en]
opportunistic routing, . least cost route, Least-Cost Opportunistic Routing
National Category
Communication Systems Telecommunications
URN: urn:nbn:se:kth:diva-74287ISI: 2005533415OAI: diva2:489432
US 7729260 B2 (2010-06-01)

KR 920284 B1 (2009-10-08); EP1704687 B1 (2011-08-10); JP 4598000-B (2010-12-15); TW I376912-B (2012-11-11)

Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2013-08-06Bibliographically approved

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ReferencesLink to record
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