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In this paper, the authors propose a block signal detection scheme, which combines frequency-domain equalization and signal detection scheme developed for the Multiple-Input Multiple-Output (MIMO) multiplexing, for the reception of the multi-code Direct Sequence Code Division Multiple Access (DSCDMA) signals. The proposed signal detection scheme is described first. Then, they evaluate, by computer simulation, the achievable Bit Error Rate (BER) performance of multi-code DSCDMA using the proposed frequency-domain block signal detection and discuss the impacts of spreading factor and code multiplexing order on the BER performance.
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