Abstract
The negative impact on communication performance in wireless multi-hop communication network caused by limited bandwidth, high bit error rate (BER), fading, noise and interference is alleviated by an adaptive filtering game based on frequency subbands selection and predetermined threshold. Such threshold is being obtained in Gaussian and multipath fading channel according to the frequency-matching principle and BER performance. The dynamic selection of subbands will obtain high use efficiency without the help of frequency hopping, and propound a new thought to improve band limited communication for wireless multi-hop communication network. The effectiveness of the adaptive filtering method has been verified by interleaving spread spectrum orthogonal frequency division multiplexing (ISS-OFDM) in different interference conditions, and the simulating results based on network simulator 2 (NS2) indicate that system BER can be improved greatly.
| Original language | English |
|---|---|
| Pages (from-to) | 230-236 |
| Number of pages | 7 |
| Journal | High Technology Letters |
| Volume | 20 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1 Sep 2014 |
Keywords
- Adaptive filtering
- Interference suppression
- Interleaving spread spectrum orthogonal frequency division multiplexing (ISS-OFDM)
- Multi-hop communication
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