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Adaptive random access for mobile sensors based field reconstruction

conference contribution
posted on 2018-01-01, 00:00 authored by Jinho Choi, Moongu Jeon
We consider an adaptive scheme to determine the access probability for random access when the number of sensors is varying in a wireless sensor network (WSN) to reconstruct a target field (i.e., a 2-dimensional process). In particular, we consider mobile sensor units (MSUs) that are sensor units on cars or unmanned aerial vehicles (UAVs), The access probability is adaptively decided within a session that consists of multiple time slots by estimating the number of MSUs. An access point (AP) is to estimate the number of the MSUs that transmit preambles and fed back this information so that the MSUs can determine their access probability to maximize the throughput. Simulation results confirm that the proposed adaptive scheme can provide a near optimal throughput although the initial estimate of the total number of MSUs is overestimated.

History

Pagination

1-6

Location

Cairns, Qld.

Start date

2018-12-17

End date

2018-12-19

ISBN-13

978-1-5386-5602-0

Language

English

Publication classification

E1 Full written paper - refereed

Copyright notice

2018, IEEE

Editor/Contributor(s)

Wysocki TA, Wysocki BJ

Title of proceedings

ICSPCS 2018 : Proceedings of the 2018 12th International Conference on Signal Processing and Communication Systems

Event

IEEE Communications Society. Conference (12th : 2018 : Cairns, Qld.)

Publisher

Institute of Electrical and Electronics Engineers

Place of publication

Piscataway, N.J.

Series

IEEE Communications Society Conference

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