Demodulating Subsampled Direct Sequence Spread Spectrum Signals using Compressive Signal Processing

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Resumé

We show that to lower the sampling rate in a spread spectrum communication system using Direct Sequence Spread Spectrum (DSSS), compressive signal processing can be applied to demodulate the received signal. This may lead to a decrease in the power consumption or the manufacturing price of wireless receivers using spread spectrum technology. The main novelty of this paper is the discovery that in spread spectrum systems it is possible to apply compressive sensing with a much simpler hardware architecture than in other systems, making the implementation both simpler and more energy efficient.
Our theoretical work is exemplified with a numerical experiment using the IEEE 802.15.4 standard’s 2.4GHz band specification. The numerical results support our theoretical indings and indicate that compressive sensing may be used
successfully in spread spectrum communication systems. The results obtained here may also be applicable in other spread spectrum technologies, such as Code Division Multiple Access (CDMA) systems.
OriginalsprogEngelsk
Titel2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO)
Antal sider5
Publikationsdato2012
Sider2556-2560
ISBN (Trykt)978-1-4673-1068-0
StatusUdgivet - 2012
Begivenhed20th European Signal Processing Conference - Bucharest, Rumænien
Varighed: 27 aug. 201231 aug. 2012

Konference

Konference20th European Signal Processing Conference
LandRumænien
ByBucharest
Periode27/08/201231/08/2012
NavnEuropean Signal Processing Conference (EUSIPCO)
ISSN2076-1465

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Spread spectrum communication
Communication systems
Signal processing
Code division multiple access
Electric power utilization
Sampling
Specifications
Hardware
Experiments

Citer dette

Fyhn, K., Arildsen, T., Larsen, T., & Jensen, S. H. (2012). Demodulating Subsampled Direct Sequence Spread Spectrum Signals using Compressive Signal Processing. I 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO) (s. 2556-2560). European Signal Processing Conference (EUSIPCO)
Fyhn, Karsten ; Arildsen, Thomas ; Larsen, Torben ; Jensen, Søren Holdt. / Demodulating Subsampled Direct Sequence Spread Spectrum Signals using Compressive Signal Processing. 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO). 2012. s. 2556-2560 (European Signal Processing Conference (EUSIPCO)).
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Fyhn, K, Arildsen, T, Larsen, T & Jensen, SH 2012, Demodulating Subsampled Direct Sequence Spread Spectrum Signals using Compressive Signal Processing. i 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO). European Signal Processing Conference (EUSIPCO), s. 2556-2560, 20th European Signal Processing Conference, Bucharest, Rumænien, 27/08/2012.

Demodulating Subsampled Direct Sequence Spread Spectrum Signals using Compressive Signal Processing. / Fyhn, Karsten; Arildsen, Thomas; Larsen, Torben; Jensen, Søren Holdt.

2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO). 2012. s. 2556-2560 (European Signal Processing Conference (EUSIPCO)).

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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Fyhn K, Arildsen T, Larsen T, Jensen SH. Demodulating Subsampled Direct Sequence Spread Spectrum Signals using Compressive Signal Processing. I 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO). 2012. s. 2556-2560. (European Signal Processing Conference (EUSIPCO)).