Radio communications terminals and infrastructure tend to support an increasing range of algorithms and radio access technologies. Flexible processing platforms are therefore needed for supporting multistandard or heterogeneous radios. Channel decoding is one of the most computing demanding digital signal processing blocks of a radio transceiver. At the same time, it provides a high degree of implementation flexibility as well as facilitates dynamic parameter adjustments. This paper presents a flexible LDPC decoder implemented on an FPGA device following the ALOE middleware design paradigm. We analyse the middleware efficiency in terms of flexibility versus resource requirements. The results show a relative middleware area overhead of 32 %.
CitationGomez, I. [et al.]. ALOE-based flexible LDPC decoder. A: Euromicro Symposium on Digital Systems Design. "13th Euromicro Conference on Digital System Design: Architectures, Methods and Tools". Llille: IEEE Computer Society Publications, 2010, p. 314-320.
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