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A Novel Cognitive M...
A Novel Cognitive Modulation Method Considering the Performance of Primary User
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- Khanzadi, M Reza, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Haghighi, Kasra, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Panahi, Ashkan, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Eriksson, Thomas, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9781424470693
- 2010
- 2010
- English.
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In: Wireless Advanced (WiAD), 2010 6th Conference on. - 9781424470693 ; , s. 1 - 6
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https://doi.org/10.1...
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Abstract
Subject headings
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- This paper proposes a new modulation method foran uncoded cognitive transmission (secondary user transmission)in presence of a Primary User (PU) for the AWGN channel.Interference of the PU is assumed to be known at the transmitterof Cognitive User (CU) non-causally. Based on this knowledge,for the design of the modulator and demodulator of the CU,a symbol by symbol approach is studied which can fulfill thecoexistence conditions of the CU and the PU of the band. In thisscheme, the modulator and demodulator of CU are designedjointly by solving an optimization problem to mitigate theinterference of the PU and minimize the symbol error probability(Pe) in CU’s communication link without increasing the symbolerror probability (Pe) of the PU. The proposed method is amodulation approach in a single (complex-valued) dimensionrather than a high dimensional coding scheme. Although thisone-dimensional method is not capacity achieving, we show it stillhas a remarkable performance with low amount of complexity.An implementation algorithm for our modulation method is alsopresented and the performance of this method is evaluated byexperimental results.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Keyword
- Relay
- Interference Avoidance
- Uncoded Communication
- Cognitive Radio
- Interference Channel
- Dirty Paper Coding
- Modulation
- Costa Precoding
Publication and Content Type
- kon (subject category)
- ref (subject category)
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