Abstract
Flexible baseband receivers gain the interest of many research efforts to enable the design of future multi-modes multistandards terminals. A main challenge in this domain is to provide this flexibility with minimum overhead in terms of area, speed, and energy. In this regard, heterogeneous multiprocessor platforms are emerging as a promising implementation solution. However, the heterogeneity of such platforms makes it complex to find the required number of processors supporting a specific configuration (i.e. requirements level). This paper investigates, in this context, the significant optimization potential both at design-time and at run-time regarding the selection of the most appropriate hardware configuration of a multiprocessor platform for iterative demapping and channel decoding. A formal representation of the architectural solution space which allows designers to find the minimum hardware configuration is proposed. The proposed approach is illustrated through a flexible multi-ASIP hardware platform for iterative demapping and channel decoding.
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