Considerations on Interference for Hybrid Mode Digital Radio Broadcast Standards over AM Frequencies

Moumtadi, Fátima; ́ndez, Julio Carlos Delgado-Hern; Flores-Llamas, Ignacio; Tovar-Medina, Roberto

doi:10.1109/cerma.2011.62

2011 IEEE Electronics, Robotics and Automotive Mechanics Conference 2011

DOI: 10.1109/cerma.2011.62

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Considerations on Interference for Hybrid Mode Digital Radio Broadcast Standards over AM Frequencies

Fátima Moumtadi

Julio Carlos Delgado-Hern ́ndez

Ignacio Flores-Llamas

et al.

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2013

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Data-via-spread-quadrature radio

Kirachaiwanich

Patomnuphong

2013

2013 Proceedings of IEEE Southeastcon

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In this paper, we propose an alternative digital simulcasting AM radio, which uses spread spectrum technology to carry the digital data on the quadrature carrier. Because the modulation process is simple, compared to OFDM technology used in existing digital radio systems, the transmitter and receiver equipments can be economically implemented. Also, because the original analog audio (the in-phase component) remains intact during the modulation process, listeners with traditional AM tuner can still receive the same audio-only radio program. The simulation results have shown that the data rate of up to 8 kbps is achievable at SNR=10dB and the power required for the digital broadcast can be as low as -25 dB below the power of the unmodulated carrier.

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Data-via-spread-quadrature radio

Kirachaiwanich

Patomnuphong

2013

2013 Proceedings of IEEE Southeastcon

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Considerations on Interference for Hybrid Mode Digital Radio Broadcast Standards over AM Frequencies

Cited by 1 publication

References 1 publication

Data-via-spread-quadrature radio

Data-via-spread-quadrature radio

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