Reference : Achievable Data Rate of DCT-based Multicarrier Modulation Systems
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
Security, Reliability and Trust
Achievable Data Rate of DCT-based Multicarrier Modulation Systems
Cruz-Roldán, Fernando mailto [Universidad de Alcalá > Department of Teoría de la Señal y Comunicaciones]
Alves Martins, Wallace mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Sergio Ramirez Diniz, Paulo mailto [Federal University of Rio de Janeiro > Electrical Engineering Program]
Moonen, Marc mailto [KU Leuven > Department of Electrical Engineering]
IEEE Transactions on Wireless Communications
Institute of Electrical and Electronics Engineers
1739 - 1749
New York
[en] This paper aims at studying the achievable data rate of discrete cosine transform (DCT)-based multicarrier modulation (MCM) systems. To this end, a general formulation is presented for the full transmission/reception process of data in Type-II even DCT and Type-IV even DCT-based systems. The paper focuses on the use of symmetric extension (SE) and zero padding (ZP) as redundancy methods. Furthermore, three cases related to the channel order and the length of the redundancy are studied. In the first case, the channel order is less than or equal to the length of the redundancy. In the second and third cases, the channel order is greater than the length of the redundancy; the interference caused by the channel impulse response is calculated, and theoretical expressions for their powers are derived. These expressions allow studying the achievable data rate of DCT-based MCM systems, besides enabling the comparison with the conventional MCM based on the discrete Fourier Transform.
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