Performance analysis of synchronous MC-CDMA in mobile Rayleigh channel with both delay and Doppler spreads

Jean Paul M.G. Linnartz

doi:10.1109/25.966570

Performance analysis of synchronous MC-CDMA in mobile Rayleigh channel with both delay and Doppler spreads

Jean Paul M.G. Linnartz

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

Rapid time variations of the mobile communication channel have a dramatic effect on the performance of multicarrier modulation. This paper models the Doppler spread and computes its effect on the bit error rate (BER) for multicarrier code division multiple access (MC-CDMA) transmission and compares it to orthogonal frequency division multiplexing (OFDM). Also, we evaluate the transmission capacity per subcarrier to quantify the potential for MC-CDMA and (coded-) OFDM. We focus on linear receivers, in particular those using the minimum mean-square error (MMSE) criterion. Our channel and system models allow the computation of analytical performance results. Simulations verify some commonly used, yet critical assumptions.

Original language	English
Pages (from-to)	1375-1387
Number of pages	13
Journal	IEEE Transactions on Vehicular Technology
Volume	50
Issue number	6
DOIs	https://doi.org/10.1109/25.966570
Publication status	Published - 1 Nov 2001
Externally published	Yes

Keywords

Doppler effect
Fading channels
Intercarrier interference
Multicarrier code division multiple access (MC-CDMA)
Multicarrier modulation
Orthogonal frequency division multiplexing (OFDM)
Rayleigh fading

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abstract = "Rapid time variations of the mobile communication channel have a dramatic effect on the performance of multicarrier modulation. This paper models the Doppler spread and computes its effect on the bit error rate (BER) for multicarrier code division multiple access (MC-CDMA) transmission and compares it to orthogonal frequency division multiplexing (OFDM). Also, we evaluate the transmission capacity per subcarrier to quantify the potential for MC-CDMA and (coded-) OFDM. We focus on linear receivers, in particular those using the minimum mean-square error (MMSE) criterion. Our channel and system models allow the computation of analytical performance results. Simulations verify some commonly used, yet critical assumptions.",

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AB - Rapid time variations of the mobile communication channel have a dramatic effect on the performance of multicarrier modulation. This paper models the Doppler spread and computes its effect on the bit error rate (BER) for multicarrier code division multiple access (MC-CDMA) transmission and compares it to orthogonal frequency division multiplexing (OFDM). Also, we evaluate the transmission capacity per subcarrier to quantify the potential for MC-CDMA and (coded-) OFDM. We focus on linear receivers, in particular those using the minimum mean-square error (MMSE) criterion. Our channel and system models allow the computation of analytical performance results. Simulations verify some commonly used, yet critical assumptions.

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Performance analysis of synchronous MC-CDMA in mobile Rayleigh channel with both delay and Doppler spreads

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