By Waqar Hussain, Jari Nurmi, Jouni Isoaho, Fabio Garzia
This e-book addresses Software-Defined Radio (SDR) baseband processing from the pc structure standpoint, offering an in depth exploration of alternative computing systems by way of classifying assorted methods, highlighting the typical gains with regards to SDR necessities and through exhibiting professionals and cons of the proposed suggestions. It covers architectures exploiting parallelism by way of extending single-processor setting (such as VLIW, SIMD, TTA approaches), multi-core structures allotting the computation to both a homogeneous array or a collection of specialised heterogeneous processors, and architectures exploiting fine-grained, coarse-grained, or hybrid reconfigurability.
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Additional info for Computing Platforms for Software-Defined Radio
This results in large area requirements and power consumption. In contrast, a shared bus allows only one master to access the interconnect at the same time . This increases the probability of bus conflicts, but decreases area and power requirements. A partial crossbar combines the advantages of shared bus and full crossbar by grouping some slaves using a shared bus. The masters are connected to these segments via a full crossbar. Several other interconnect topologies like a ring are discussed in the literature [5, 28] but not considered in this work.
8 Area requirements of CoreVA CPU configurations with varying number of MAC- and LD/ST-units (S, M, L = number of slots, MAC, LD/ST) Fig. 9 Annotated floorplan and die photograph of the CoreVA VLIW CPU. (a) 2-issue CoreVA CPU in 28 nm FD-SOI. (b) 4-issue CoreVA in 65 nm technology ©IEEE  4 ALU, 2 MAC, 2 DIV, and 2 LD/ST units (cf. Fig. 9b). Power consumption is about 100 mW at a clock frequency of 300 MHz. The CoreVA-ULP12  features a RISC-like one-slot processor with 1 ALU, 1 MAC, 1 DIV, and 1 LD/ST units.
In contrast, a shared bus allows only one master to access the interconnect at the same time . This increases the probability of bus conflicts, but decreases area and power requirements. A partial crossbar combines the advantages of shared bus and full crossbar by grouping some slaves using a shared bus. The masters are connected to these segments via a full crossbar. Several other interconnect topologies like a ring are discussed in the literature [5, 28] but not considered in this work. 9 NUMA: Non-Uniform Memory Access.