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Transmitting multip...
Transmitting multiple correlated gaussian sources over a Gaussian MAC using delay-free mappings
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Floor, P. A. (författare)
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Kim, A. (författare)
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Ramstad, T. (författare)
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Balasingham, I. (författare)
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Wernersson, N. (författare)
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- Skoglund, Mikael (författare)
- KTH,Kommunikationsteori,ACCESS Linnaeus Centre
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(creator_code:org_t)
- 2011-10-26
- 2011
- Engelska.
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Ingår i: ISABEL '11 Proceedings of the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies. - New York, NY, USA : ACM. - 9781450309134
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- In this paper, we study the problem of communicating multiple correlated Gaussian memoryless sources over a Gaussian Multiple Access Channel (GMAC). We focus on distributed delay-free, low complexity, joint source-channel coding (JSCC) solutions to the problem. Theoretical performance bounds are derived and linear and nonlinear JSCC schemes are evaluated. The main contribution is a nonlinear hybrid discrete-analog mapping based on distributed quantization and a linear continuous mapping named Distributed Quantizer Linear Coder (DQLC). The proposed scheme shows promising performance which improve with increasing correlation and is robust against variations in noise level.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
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- kon (ämneskategori)
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