An efficient spectrum sensing scheme for cognitive radio

Cheng, S. and Stankovic, V. and Stankovic, L. (2009) An efficient spectrum sensing scheme for cognitive radio. IEEE Signal Processing Letters, 16 (6). pp. 501-504. ISSN 1070-9908

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Abstract

The paper combines distributed source coding and compressive sampling for efficient spectrum estimation. Two or more cognitive radios sample the spectrum compressively and independently compress their observations using multiterminal source coding. A central hub collects compressed streams from these radios before performing joint multiterminal source decoding followed by iterative signal reconstruction. Simulation results are provided for two radios performing practical multiterminal source coding with uniform scalar quantization and systematic turbo codes for Slepian-Wolf coding and error protection.

Author(s):Cheng, S., Stankovic, V. ORCID logoORCID: https://orcid.org/0000-0002-1075-2420 and Stankovic, L. ORCID logoORCID: https://orcid.org/0000-0002-8112-1976
Item type:Article
ID code:12879
Keywords:cognitive radio, iterative methods, signal reconstruction, source coding, turbo codes, Electrical engineering. Electronics Nuclear engineering, Signal Processing, Applied Mathematics, Electrical and Electronic Engineering
Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
Department:Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Strathprints Administrator
Date deposited:04 Aug 2010 14:30
Last modified:10 Dec 2019 09:49
URI:https://strathprints.strath.ac.uk/id/eprint/12879
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