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Semidefinite Progra...
Semidefinite Programming for Detection in Linear Systems – Optimality Conditions and Space-Time Decoding
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- Jaldén, Joakim, 1976- (författare)
- KTH,Signaler, sensorer och system
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- Martin, Cristoff (författare)
- KTH,Signaler, sensorer och system
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- Ottersten, Björn, 1961- (författare)
- KTH,Signaler, sensorer och system
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(creator_code:org_t)
- IEEE, 2003
- 2003
- Engelska.
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Ingår i: IEEE International Conference on Acoustics, Speech, and Signal Processing. - : IEEE. ; , s. 9-12
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Optimal maximum likelihood detection of finite alphabet symbols in general requires time consuming exhaustive search methods. The computational complexity of such techniques is exponential in the size of the problem and for large problems sub-optimal algorithms are required. In this paper, to find a solution in polynomial time, a semidefinite programming approach is taken to estimate binary symbols in a general linear system. A condition under which the proposed method provides optimal solutions is derived. As an application, the proposed algorithm is used as a decoder for a linear space-time block coding system and the results are illustrated with numerical examples.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Nyckelord
- Block codes
- Computational complexity
- Linear programming
- Linear systems
- Maximum likelihood decoding
- Maximum likelihood detection
- Maximum likelihood estimation
- Polynomials
- Sensor systems
- Signal to noise ratio
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)