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Comparison of two modulation techniques using frequency domain processing in interference limited home networks

G. Carron, Luc Deneire, Liesbet Van der Perre, Reto Ness, M. Engels

Open publisher page 2 citations

Abstract

Previous developments show an increasing interest for wireless in-house multimedia communication within the 2.4 GHz ISM-band. A disadvantage of the ISM-band is the high level of mainly narrowband interference, generated by other communication systems and by the leakage of microwave ovens. Good communication is therefore only possible when appropriate measures are taken to compensate for the interference. We compare the performance of two different modulation techniques in the presence of narrowband interference. We consider OFDM and single-carrier modulation with frequency domain processing. A static model of the Bluetooth system is used as source of interference. Both modulation techniques are interesting for in-house communication due to the simpler frequency domain equalization.

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What this paper is about

Previous developments show an increasing interest for wireless in-house multimedia communication within the 2.4 GHz ISM-band. A disadvantage of the ISM-band is the high level of mainly narrowband interference, generated by other communication systems and by the leakage of microwave ovens. Good communication is therefore only possible when appropriate measures are taken to compensate for the interference. We compare the performance of two different modulation techniques in the presence of narrowband interference. We consider OFDM and single-carrier modulation with frequency domain processing. A static model of the Bluetooth system is used as source of interference. Both modulation techniques are interesting for in-house communication due to the simpler frequency domain equalization.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Previous developments show an increasing interest for wireless in-house multimedia communication within the 2.4 GHz ISM-band. A disadvantage of the ISM-band is the high level of mainly narrowband interference, generated by other communication systems and by the leakage of microwave ovens. Good communication is therefore only possible when appropriate measures are taken to compensate for the interference. We compare the performance of two different modulation techniques in the presence of narrowband interference. We consider OFDM and single-carrier modulation with frequency domain processing. A static model of the Bluetooth system is used as source of interference. Both modulation techniques are interesting for in-house communication due to the simpler frequency domain equalization.

Key concepts: Computer science, Electronic engineering, Interference (communication), Narrowband, Frequency domain, Modulation (music), Adjacent-channel interference, Orthogonal frequency-division multiplexing

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