Data Collection in Sensor Networks via the Novel Fast Markov Decision Process Framework Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/bz60d019p

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  • We investigate the data collection problem in sensor networks. The network consists of a number of stationary sensors deployed at different sites for sensing and storing data locally. A mobile element moves from sites to sites to collect data from the sensors periodically. There are different costs associated with the mobile element moving from one site to another, and different rewards for obtaining data at different sensors. Furthermore, the costs and the rewards are assumed to change abruptly. The goal is to find a "fast" optimal movement pattern/policy of the mobile element that optimizes for the costs and rewards in non-stationary environments. We formulate and solve this problem using a novel optimization framework called Fast Markov Decision Process (FMDP). The proposed FMDP framework extends the classical Markov Decision Process theory by incorporating the notion of mixing time that allows for the trade-off between the optimality and the convergence rate to the optimality of a policy. Theoretical and simulation results are provided to verify the proposed approach.
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  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2015-06-07T00:41:36Z (GMT) No. of bitstreams: 2 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) DuongThaiP2015.pdf: 1020231 bytes, checksum: 368891a83c5cb0f468db9cc6a1b85797 (MD5)
  • description.provenance : Submitted by Thai Duong (duongth@onid.orst.edu) on 2015-06-01T19:13:38Z No. of bitstreams: 2 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) DuongThaiP2015.pdf: 1020231 bytes, checksum: 368891a83c5cb0f468db9cc6a1b85797 (MD5)
  • description.provenance : Made available in DSpace on 2015-06-08T21:04:43Z (GMT). No. of bitstreams: 2 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) DuongThaiP2015.pdf: 1020231 bytes, checksum: 368891a83c5cb0f468db9cc6a1b85797 (MD5) Previous issue date: 2015-05-20
  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2015-06-08T21:04:43Z (GMT) No. of bitstreams: 2 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) DuongThaiP2015.pdf: 1020231 bytes, checksum: 368891a83c5cb0f468db9cc6a1b85797 (MD5)

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