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Low Power Transmission for Autonomous Wireless Indoor Sensors

  • Cost efficient energy monitoring in existing large buildings demands for autonomous indoor sensors with low power consumption, high performance in multipath fading channels and economic implementation. Good performance in multipath fading channels can be achieved with noncoherent chaotic modulation schemes such as chaos on-off keying (COOK) or differential chaos shift keying (DCSK). While COOK stands out in the area of power consumption, DCSK excels when it comes to its performance in noisy and multipath fading channels. This paper evaluates a combination of both schemes for autonomous indoor sensors. The simulation results show 50% less power consumption than DCSK and more than 3dB SNR gain in Rayleigh fading channels at BER=10-3 as compared to COOK, making it a promising candidate for low power transmission in autonomous wireless indoor sensors. We further present an enhanced version of this scheme showing another 1 dB SNR improvement, but at 25% less power consumption than DCSK.

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Metadaten
Document Type:Conference Object
Language:English
Author:Alejandro A. Valenzuela, Hikmat N. Abdullah
Parent Title (English):16th International Conference on Sensors and Measurement Technology, Nuremberg, Germany, 14.-16. 5. 2013
First Page:448
Last Page:451
ISBN:978-3-9813484-3-9
DOI:https://doi.org/10.5162/sensor2013/C6.3
Publisher:AMA Association for Sensors and Measurement
Publication year:2013
Departments, institutes and facilities:Fachbereich Ingenieurwissenschaften und Kommunikation
Institut für Technik, Ressourcenschonung und Energieeffizienz (TREE)
Dewey Decimal Classification (DDC):6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Entry in this database:2015/04/02