Abstract
A multiple-antenna receiving and combining scheme is proposed for high-data-rate transmitted-reference (TR) Ultra-Wideband (UWB) systems. The nonlinearity of the inter-symbol interference (ISI) model is alleviated via simple antenna combining. Under the simplified ISI model, frequency domain equalization (FDE) is adopted and greatly reduces the complexity of the equalizer. A simple estimation algorithm for the simplified ISI model is presented. Simulation results demonstrate that compared to the single receive antenna scheme, the proposed method can obtain a significant diversity gain and eliminate the BER floor effect. Moreover, compared to the complex second-order time domain equalizer, FDE showed better performance robustness in the case of imperfect model estimation.
| Original language | English |
|---|---|
| Pages (from-to) | 2405-2408 |
| Number of pages | 4 |
| Journal | IEICE Transactions on Communications |
| Volume | E91-B |
| Issue number | 7 |
| DOIs | |
| State | Published - 2008 |
Keywords
- Frequency domain equalization
- Multiple-antenna receiving
- Transmitted-reference
- Ultra-Wideband
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