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UWB-IR Interference Mitigation from Wideband IEEE 802.11a Source Using Frequency Selective Wavelet Packets

UWB-IR Interference Mitigation from Wideband IEEE 802.11a Source Using Frequency Selective Wavelet Packets

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In this chapter we proposed a novel wavelet packet based scheme to reduce the effect of co-existing wideband interference in UWB-IR communication. The emphasis was on the development of maximally frequency selective filter banks derived from a modified Remez exchange algorithm. For the IEEE 802.11a interference, simulation studies showed that the proposed scheme yielded significant BER performance improvements. Further, the performance of the system was found to be determined by the length, transition band, and regularity order of the filter banks.

Inspec keywords: ultra wideband communication; wireless LAN; channel bank filters; error statistics; wavelet transforms; signal denoising

Other keywords: frequency selective wavelet packets; transition band; maximal frequency selective filter banks; UWB-IR interference mitigation; wideband IEEE 802.11 source; wideband interference; BER performance improvements; modified Remez exchange algorithm; regularity order; ultra wideband impulse radio communication

Subjects: Other topics in statistics; Integral transforms; Filtering methods in signal processing; Radio links and equipment

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