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25 May 2004 Online algorithm for identification of multiple narrowband burst-type interferers
Peter Wing-Chau Chan, Roger Shu-Kwan Cheng
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Proceedings Volume 5473, Noise in Communication; (2004) https://doi.org/10.1117/12.546892
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain
Abstract
We present an online algorithm to track multiple narrowband burst-type interferers in wideband communication systems. The arrivals/departures and the strengths of the interferers are identified with the use of HMM. This algorithm is targeted for wideband wireless systems which are overlaid on top of multiple narrowband services whose traffic can be bursty. This algorithm can be used to suppress or avoid interference for various kinds of communication systems including both single-carrier systems and multi-carrier systems such as OFDM. As an example, we apply the algorithm in a Direct-Sequence Spread-Spectrum system for interference suppression. Simulation results and analysis are presented. The simulation results show that our algorithm achieves very satisfactory performance in interference suppression compared to other NBI suppression methods in terms of both BER and robustness to the burst rate of the interferers.
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Peter Wing-Chau Chan and Roger Shu-Kwan Cheng "Online algorithm for identification of multiple narrowband burst-type interferers", Proc. SPIE 5473, Noise in Communication, (25 May 2004); https://doi.org/10.1117/12.546892
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KEYWORDS
Detection and tracking algorithms
Telecommunications
Autoregressive models
Data processing
System identification
Systems modeling
Wireless communications
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