Transmission Rate Enhancement Schemes for Digital Radio Mondiale Systems

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Provided by: Science & Engineering Research Support soCiety (SERSC)
Topic: Mobility
Format: PDF
In this paper, transmission rate enhancement schemes for DRM (Digital Radio Mondiale), which is a worldwide standard for digital AM and FM broadcasting in the AM and FM bands below 170MHz, are presented and compared. The data rate of the legacy DRM system is supported up-to 186kbps with 16QAM and MLC (Multi-Level Coding) at 100KHz bandwidth. However, this rate is not sufficient to achieve new high quality services such as loss-less audio broadcasting and mobile TV. In order to increase transmission rates of the DRM system, two different types of FEC (Forward Error Correction) codes are used with 64QAM in the proposed schemes.
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