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Efficient Receiver Design Based On Block-Coded Correlator Scheme for UWB-IR
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 Title & Authors
Efficient Receiver Design Based On Block-Coded Correlator Scheme for UWB-IR
Min, Seungwook;
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 Abstract
Noncoherent receivers are favored for block-code-modulated ultrawideband impulse radio (UWB-IR) systems because of their low implementation complexity compared with coherent rake receivers. However, existing noncoherent schemes, such as transmitted reference (TR) systems and averaged differential receivers (ADR), suffer from performance degradation and energy efficiency loss. Codeword matching and signal aggregation (CMSA) is a low complexity noncoherent receiver for UWB-IR. As the frame/symbol duration is shortened to boost data rate, interframe interference (IFI) or intersymbol interference (ISI) occurs and degrades the detection performance of CMSA. In this paper, block coded correlator which consists of the delay components and the reference signal is proposed to improve the performance of the receiver. Simulation results show that the proposed system leads to the better performance compared to the conventional CMSA receiver.
 Keywords
UWB (ultrawide band);interframe interference (IFI);inter-symbol interference (ISI);Block Code Modulation (BCM);Correlator;
 Language
Korean
 Cited by
 References
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