Pascal's triangle-based multihop range-free localization for anisotropic sensor networks
- Authors
- Lee, Sangwoo; Choi, Jaehoon; Kim, Sunwoo
- Issue Date
- Apr-2014
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Citation
- IEEE Wireless Communications and Networking Conference, WCNC, pp.2739 - 2744
- Indexed
- SCOPUS
- Journal Title
- IEEE Wireless Communications and Networking Conference, WCNC
- Start Page
- 2739
- End Page
- 2744
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160250
- DOI
- 10.1109/WCNC.2014.6952862
- ISSN
- 1525-3511
- Abstract
- This paper presents a multihop range-free localization algorithm to enhance the localization accuracy in anisotropic networks with a small number of anchors. We derive potential locations of a normal node and corresponding probabilities in terms of the average one-hop internodal distance, the average hop progress and the hop counts to anchors. A novel distance estimation based on the potential locations is proposed to tolerate network anisotropy from nonuniform node deployments, irregular regions, and irregular radio simultaneously. Compared to other range-free algorithms, the proposed algorithm requires fewer anchors while achieving higher localization accuracy. The superiority of the proposed algorithm against other algorithms is demonstrated through computer simulations.
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