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On the design of iterative FDE receivers for OQAM modulations

Luzio, M. ; Dinis, R.

On the design of iterative FDE receivers for OQAM modulations, Proc IEEE GLOBECOM Workshops: Workshop on Broadband Single Carrier and Frequency Domain Communications, Miami, Florida, United States, Vol. I, pp. 1323 - 1327, December, 2010.

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This paper considers receiver designs for SC-FDE schemes (Single-Carrier with Frequency-Domain Equalization) employing M-ary OQAM signals (Offset Quadrature Amplitude Modulation). It is shown that the interference between the in-phase (I) and quadrature (Q) components at the sampling points can lead to severe performance degradation. Therefore, receivers without residual I-Q interference (IQI), as well as receivers with IQI cancellation were developed. Our performance results show that the new receivers are suitable to M-ary OQAM schemes.