Abstract
Aimed at the problem that the current composite pulse multipath channel estimation methods for impulse radio-ultra wideband (IR-UWB) system can't solve the effect of pulse waveform distortion caused by ISI, a composite pulse multipath channel estimation method based on nearest neighbor (NN) rule was proposed. This estimated composite pulse multipath channel was subsequently used as a template in a correlator-based detector, and then the detection performance of template obtained by proposed method and conventional averaged method was compared in simulation. Simulation results show that when there is no ISI, the NN estimation method achieves similar BER performance as average method, when ISI is caused by overlap of symbols, the BER performance of NN estimation significantly outperforms that of the average method.
| Original language | English |
|---|---|
| Pages (from-to) | 10-15 |
| Number of pages | 6 |
| Journal | Tongxin Xuebao/Journal on Communications |
| Volume | 31 |
| Issue number | 5 |
| State | Published - May 2010 |
| Externally published | Yes |
Keywords
- Composite pulse multipath channel estimation
- Detection
- IR-UWB
- NN rule
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