Mobile - Wireless Communications White Papers
OFDMA Code-Division Multiplexing With Pre-Equalization for Mobile Communications
Overview In this paper, the potential of orthogonal frequency-division multiple-access-code-division multiplexing (OFDMACDM) combined with the pre-equalization is investigated. The code-division multiplexing (CDM) component within an orthogonal frequency-division multiple-access (OFDMA) system enables additional diversity in frequency- and time-selective mobile radio channels. While, by applying pre-equalization at the OFDMACDM transmitter the task of equalization at the receiver can be completely avoided. Different pre-equalization techniques are investigated, and it is shown that pre-equalized OFDMA-CDM systems can achieve promising performance in fading channels.
| Publisher | German Aerospace Center | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | February 2004 | Downloads | 10 |
| Format | White Papers | ||
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