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Wireless localization using self-organizing maps

Published: 25 April 2007 Publication History

Abstract

Localization is an essential service for many wireless sensor network applications. While several localization schemes rely on anchor nodes and range measurements to achieve fine-grained positioning, we propose a range-free, anchor-free solution that works using connectivity information only. The approach, suitable for deployments with strict cost constraints, is based on the neural network paradigm of Self-Organizing Maps (SOM). We present a lightweight SOM-based algorithm to compute virtual coordinates that are effective for location-aided routing. This algorithm can also exploit the location information, if available, of few anchor nodes to compute absolute positions. Results of extensive simulations show improvements over the popular Multi-Dimensional Scaling (MDS) scheme, especially for networks with low connectivity, which are intrinsically harder to localize, and in presence of irregular radio pattern or anisotropic deployment. We analytically demonstrate that the proposed scheme has low computation and communication overheads; hence, making it suitable for resource-constrained networks.

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      cover image ACM Conferences
      IPSN '07: Proceedings of the 6th international conference on Information processing in sensor networks
      April 2007
      592 pages
      ISBN:9781595936387
      DOI:10.1145/1236360
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      Published: 25 April 2007

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      Author Tags

      1. localization
      2. self-organizing maps
      3. wireless sensor networks

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      • (2021)UAV-Assisted Wireless Localization for Search and RescueIEEE Systems Journal10.1109/JSYST.2020.304157315:3(3261-3272)Online publication date: Sep-2021
      • (2019)Improving positioning accuracy based on self‐organizing map (SOM) and inter‐vehicular communicationTransactions on Emerging Telecommunications Technologies10.1002/ett.373330:9Online publication date: 12-Sep-2019
      • (2018)Dynamic Enhanced Field DivisionACM Transactions on Sensor Networks10.1145/321672115:1(1-26)Online publication date: 15-Dec-2018
      • (2018)Personalizing self-organizing music spaces with anchorsMultimedia Tools and Applications10.1007/s11042-017-4465-877:5(5525-5545)Online publication date: 1-Mar-2018
      • (2017)Cluster-Based RF Fingerprint Positioning Using LTE and WLAN Signal StrengthsInternational Journal of Wireless Information Networks10.1007/s10776-017-0369-924:4(413-423)Online publication date: 16-Aug-2017
      • (2016)A taxonomy of localization techniques based on multidimensional scaling2016 39th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO)10.1109/MIPRO.2016.7522221(649-654)Online publication date: May-2016
      • (2015)Distributed Hybrid Localization Using RSS Threshold Based Connectivity Information and Iterative Location UpdateInternational Journal of Distributed Sensor Networks10.1155/2015/52530111:2(525301)Online publication date: Jan-2015
      • (2015)Localized and precise boundary detection in 3-d wireless sensor networksIEEE/ACM Transactions on Networking10.1109/TNET.2014.234466323:6(1742-1754)Online publication date: 1-Dec-2015
      • (2015)Scalable sensor localization via ball-decomposition algorithm2015 IFIP Networking Conference (IFIP Networking)10.1109/IFIPNetworking.2015.7145331(1-9)Online publication date: May-2015
      • (2014)Deterministic Greedy Routing with Guaranteed Delivery in 3D Wireless Sensor NetworksAxioms10.3390/axioms30201773:2(177-201)Online publication date: 15-May-2014
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