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k-fault resistance in wireless ad-hoc networks

Published: 02 September 2005 Publication History

Abstract

Given a wireless network, we want to assign each node a transmission power, which will enable transmission between any two nodes (via other nodes). Moreover, due to possible faults, we want to have at least k vertex-disjoint paths from any node to any other, where k is some fixed integer, depending on the reliability of the nodes. The goal is to achieve this directed k-connectivity with a minimal overall power assignment. The problem is NP-Hard for any k ≥ 1 already for planar networks. Here we first present an optimal power assignment for uniformly spaced nodes on a line for any k ≥ 1. Based on it, we design an approximation algorithm for linear radio networks with factor min(2,(Δ/δ)α), where Δ and δ are the maximal and minimal distances between adjacent nodes respectively and parameter α ≥ 1 being the distance-power gradient. We then extend it to the weighted version. Finally, we develop an approximation algorithm with factor O(k2), for planar case, which is, to the best of our knowledge, the first non-trivial result for this problem.

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cover image ACM Conferences
DIALM-POMC '05: Proceedings of the 2005 joint workshop on Foundations of mobile computing
September 2005
120 pages
ISBN:1595930922
DOI:10.1145/1080810
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 02 September 2005

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Author Tags

  1. ad hoc networks
  2. connectivity

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Dial M - POMC 05
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Overall Acceptance Rate 21 of 68 submissions, 31%

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  • (2010)Exact Models for the k-Connected Minimum Energy ProblemAd Hoc Networks10.1007/978-3-642-11723-7_26(392-406)Online publication date: 2010
  • (2009)Optimal solutions for fault-tolerant topology control in wireless ad hoc networksIEEE Transactions on Wireless Communications10.1109/TWC.2009.12.0815668:12(5970-5981)Online publication date: 1-Dec-2009
  • (2009)Low-energy fault-tolerant bounded-hop broadcast in wireless networksIEEE/ACM Transactions on Networking10.1109/TNET.2009.201465317:2(582-590)Online publication date: 1-Apr-2009
  • (2009)On construction of minimum energy k-fault resistant topologiesAd Hoc Networks10.1016/j.adhoc.2008.03.0087:2(363-373)Online publication date: 1-Mar-2009
  • (2008)Power efficient resilience and lifetime in wireless ad-hoc networksProceedings of the 1st ACM international workshop on Foundations of wireless ad hoc and sensor networking and computing10.1145/1374718.1374722(17-24)Online publication date: 26-May-2008
  • (2006)Fault-Tolerant Power Assignment and Backbone in Wireless NetworksProceedings of the 4th annual IEEE international conference on Pervasive Computing and Communications Workshops10.1109/PERCOMW.2006.55Online publication date: 13-Mar-2006
  • (2006)Protecting Multicast Sessions in Wireless Mesh NetworksProceedings. 2006 31st IEEE Conference on Local Computer Networks10.1109/LCN.2006.322141(467-474)Online publication date: Nov-2006

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