(WFRF:(Ottosson Tony 1969 ))
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A unified analysis for coded DS-CDMA with equal-gain chip combining in the downlink of OFDM systems
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- Persson, Anders, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ottosson Gadd, Tony, 1969 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ström, Erik, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- 2005
- 2005
- English.
- In: IEEE Transactions on Communications. - 0090-6778 .- 1558-0857. ; 53:2, s. 289-298
- Journal article (peer-reviewed)
Abstract
Subject headings
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- This paper presents a novel unified analysis for the bit-error rate in the downlink of convolutionally coded and single-user detected multicarrier code-division multiple access (CDMA), multicarrier direct-sequence CDMA, time and frequency-domain spreading CDMA, and orthogonal frequency-division multiple access. Performance is analyzed under the assumption of Hadamard spreading codes, equal-gain chip combining, and a highly correlated frequency-selective Rayleigh-fading channel. Closed-form expressions are presented for the cumulative distribution function, probability distribution function, and moment-generating function for the signal-to-noise plus interference ratio after despreading. The presented results assume error-free channel estimates, a perfectly synchronized receiver, and are found to reasonably well agree with simulation results. © 2005 IEEE.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences (hsv//eng)
Keyword
- ofdm
- cdma
Publication and Content Type
- art (subject category)
- ref (subject category)
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