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An efficient CDMA core for indoor acoustic position sensing

Alloulah, M. and Hazas, M. (2010) An efficient CDMA core for indoor acoustic position sensing. In: Indoor Positioning and Indoor Navigation (IPIN), 2010 International Conference on. IEEE Publishing, pp. 1-5. ISBN 978-1-4244-5862-2

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Abstract

We present an efficient CDMA detection core suited for multiuser indoor acoustic positioning. An ultrasonic multi-code despreader is proposed, allowing simultaneous broadband acoustic ranging signals to be processed in real time by embedded sensors. The ranging performance is characterised using a dataset gathered from a real deployment of ultrasonic devices and is shown to be favourable. The proposed core can be used as a basis for more sophisticated receivers, such as those capable of detecting heavily Doppler-shifted signals.

Item Type: Contribution in Book/Report/Proceedings
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 55990
Deposited By: ep_importer_pure
Deposited On: 19 Jul 2012 17:17
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 01:15
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/55990

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