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In this paper, a blind method to detect and suppress narrow-band interference (NBI) for multi-band orthogonal frequency-division multiplexing (MB-OFDM) based ultrawideband (UWB) communications is proposed. The method utilizes mean-square-error (MSE) statistics in the frequency domain to detect subcarriers damaged by NBI. Approximating the MSE statistics by a decision-feedback (DF) scheme creates a...
This paper presents a multi-band orthogonal frequency-division multiplexing (MB-OFDM) based ultra-wideband (UWB) baseband inner transceiver. Design challenges arise from the requirements for high data rates, low power consumption, and low cost. The proposed UWB transceiver utilizes both pipelined and parallel structures to reduce the critical path and increase the system throughput. Implemented by...
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