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In this article, we propose a one‐dimensional positioning technique using hybrid inductively–capacitively coupled parallel line feeder, suitable for indoor industrial applications. The proposed system enables a tag to detect its own position by sensing the standing wave pattern along the elongated feeder. If the tag measures only the magnetic field via inductive coupling, the detectable range of this...
In the next generation digital terrestrial television broadcasting (DTTB) for mobile terminal, high data rate transmission is required to provide high definition image quality. Radio modulation format will be higher order digital modulation than current scheme. And the multiple antenna techniques will be employed for increasing data rate. This paper focuses on the gap-filler system using the radio...
This paper proposes a method to transmit Multiple Input Multiple Output (MIMO) radio signals over optical fiber link shared with the 10 Gbps Ethernet link. Single radio signal transmission has reported before, however, a transmission for multiple radio signals has not been discussed. This paper evaluates the bit error rate (BER) performance of on-off keying (OOK) signal by means of theoretical analysis...
Radio over Fiber (RoF) and 10 Gbps optical On-Off Keying (OOK) signal can be simultaneously transmitted by using the stochastic process of optical OOK as a carrier for the radio frequency (RF) signal. However, the OOK modulation interferes with the RF signal. In this paper, an interference suppression scheme is proposed. The improvement in terms of error vector magnitude (EVM) is discussed from theoretical...
Radio over Fiber (RoF) and 10 Gbps optical On-Off Keying (OOK) signal can be simultaneously transmitted by using the stochastic process of optical OOK as a carrier for the radio frequency (RF) signal. The theoretical analysis of the power spectrum and error vector magnitude (EVM) agree with experimental results. The experimental and theoretical results show that the OOK modulation interferes with...
This paper has investigated the coexistence of RF signal transmission with optical OOK. Theoretical EVM has derived based on spectrum analysis. The theoretical EVM corresponds to the experimental results. It is observed that re-modulation of the optical OOK signal yields impact on each other resulting in service outage for 10 Gbps Ethernet link, and less dynamic range compared with an independent...
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