| Publisher | Drexel University | ||
|---|---|---|---|
| Format | 110.4KB PDF, requires Acrobat Rdr 5 | Date added | 13 Sep 2003 |
| Topics | Wireless LAN, Modems, Mobile - Wireless Communications | ||
| Downloads | 71 | ||
Multiantenna wireless systems have shown great promise in achieving high rates. This paper considers an OFDM multiple transmit/receive antenna system. The paper proposes a linear non-redundant block precoding scheme, that is applied at the input of the OFDM system. The coding spreads the symbols of each user over all subcarriers, thus increasing multipath diversity, and at the same time introduces some structure to the transmitted symbols, which can be exploited at the receiver to estimate the channel within a complex scalar ambiguity.
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