@InProceedings{6952693,
  author = {A. João and J. Assunção and A. Silva and R. Dinis and A. Gameiro},
  booktitle = {2014 22nd European Signal Processing Conference (EUSIPCO)},
  title = {IB-DFE SIC based receiver structure for IA-precoded MC-CDMA systems},
  year = {2014},
  pages = {1866-1870},
  abstract = {Interference alignment (IA) is a promising technique that allows high capacity gains in interfering channels. On the other hand, iterative frequency-domain detection receivers based on the IB-DFE concept (Iterative Block Decision Feedback Equalization) can efficiently exploit the inherent space-frequency diversity of the MIMO MC-CDMA systems. In this paper we design a joint iterative IA precoding at the transmitter with IB-DFE successive interference cancellation (SIC) based receiver structure for MC-CDMA systems. The receiver is designed in two steps: first a linear filter is used to mitigate the inter-user aligned interference, and then an iterative frequency-domain receiver is designed to efficiently separate the spatial streams in the presence of residual inter-user aligned interference at the output of the filter. Our scheme achieves the maximum degrees of freedom provided by the IA precoding, while allowing an almost optimum space-diversity gain, with performance close to the matched filter bound (MFB).},
  keywords = {code division multiple access;decision feedback equalisers;diversity reception;filtering theory;interference suppression;iterative decoding;matched filters;MIMO communication;radio receivers;radiofrequency interference;matched filter bound;optimum space-diversity gain;linear filter;interuser aligned interference mitigation;IB-DFE successive interference cancellation based receiver structure;joint iterative IA precoding;MIMO MC-CDMA systems;inherent space-frequency diversity;iterative block decision feedback equalization;iterative frequency-domain detection receivers;interfering channels;high capacity gains;interference alignment;IA-precoded MC-CDMA systems;IB-DFE SIC based receiver structure;Receivers;Interference;Equalizers;Multicarrier code division multiple access;Silicon carbide;MIMO;Transmitters;interference alignment;interference channels;iterative block equalization;MC-CDMA systems},
  issn = {2076-1465},
  month = {Sep.},
  url = {https://www.eurasip.org/proceedings/eusipco/eusipco2014/html/papers/1569926233.pdf},
}

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On the other hand, iterative frequency-domain detection receivers based on the IB-DFE concept (Iterative Block Decision Feedback Equalization) can efficiently exploit the inherent space-frequency diversity of the MIMO MC-CDMA systems. In this paper we design a joint iterative IA precoding at the transmitter with IB-DFE successive interference cancellation (SIC) based receiver structure for MC-CDMA systems. The receiver is designed in two steps: first a linear filter is used to mitigate the inter-user aligned interference, and then an iterative frequency-domain receiver is designed to efficiently separate the spatial streams in the presence of residual inter-user aligned interference at the output of the filter. Our scheme achieves the maximum degrees of freedom provided by the IA precoding, while allowing an almost optimum space-diversity gain, with performance close to the matched filter bound (MFB).","keywords":"code division multiple access;decision feedback equalisers;diversity reception;filtering theory;interference suppression;iterative decoding;matched filters;MIMO communication;radio receivers;radiofrequency interference;matched filter bound;optimum space-diversity gain;linear filter;interuser aligned interference mitigation;IB-DFE successive interference cancellation based receiver structure;joint iterative IA precoding;MIMO MC-CDMA systems;inherent space-frequency diversity;iterative block decision feedback equalization;iterative frequency-domain detection receivers;interfering channels;high capacity gains;interference alignment;IA-precoded MC-CDMA systems;IB-DFE SIC based receiver structure;Receivers;Interference;Equalizers;Multicarrier code division multiple access;Silicon carbide;MIMO;Transmitters;interference alignment;interference channels;iterative block equalization;MC-CDMA systems","issn":"2076-1465","month":"Sep.","url":"https://www.eurasip.org/proceedings/eusipco/eusipco2014/html/papers/1569926233.pdf","bibtex":"@InProceedings{6952693,\n author = {A. João and J. Assunção and A. Silva and R. Dinis and A. Gameiro},\n booktitle = {2014 22nd European Signal Processing Conference (EUSIPCO)},\n title = {IB-DFE SIC based receiver structure for IA-precoded MC-CDMA systems},\n year = {2014},\n pages = {1866-1870},\n abstract = {Interference alignment (IA) is a promising technique that allows high capacity gains in interfering channels. On the other hand, iterative frequency-domain detection receivers based on the IB-DFE concept (Iterative Block Decision Feedback Equalization) can efficiently exploit the inherent space-frequency diversity of the MIMO MC-CDMA systems. In this paper we design a joint iterative IA precoding at the transmitter with IB-DFE successive interference cancellation (SIC) based receiver structure for MC-CDMA systems. The receiver is designed in two steps: first a linear filter is used to mitigate the inter-user aligned interference, and then an iterative frequency-domain receiver is designed to efficiently separate the spatial streams in the presence of residual inter-user aligned interference at the output of the filter. 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