Cheol-Ho Shin

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This paper investigates a design and performance of 4parallel MB-OFDM UWB receiver. The performance of the proposed MB-OFDM UWB receiver using a 4-parallel synchronization structure is degraded by 0.25 dB compared with that of a receiver using a 1-parallel synchronization structure in the maximum frequency/sampling clock offset tolerance in an AWGN channel.(More)
This paper proposes a physical layer for advanced metering infrastructure (AMI) applications and its transmission scheme, where extremely narrowband channel is used. First, we design a narrowband physical layer transmission specification based on AMI service requirements. Then, we investigate a suitable transmission scheme, focusing on single-carrier and(More)
In this paper, we introduce a low power consumption packet detection scheme based on cross correlation and complex multiplication for MB-OFDM UWB system. The proposed scheme compares received signal power and calculated value explained later. The received signal is filtered by a correlator and then output of the correlator is multiplied with delayed output(More)
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