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Designing high performance Software Defined Radio (SDR) with low power and flexibility is a major challenge. While the high performance DSP processors are unable to meet the speed requirements of these SDRs, System on chips (SOCs) are also not suitable because of their limited flexibility. Recently dynamically reconfigurable FPGAs have emerged as high performance programmable hardware to execute highly...
The SHA-3 competition organized by NIST has triggered significant efforts in performance evaluation of cryptographic hardware and software. These benchmarks are used to compare the implementation efficiency of competing hash candidates. However, such benchmarks test the algorithm in an ideal setting, and they ignore the effects of system integration. In this contribution, we analyze the performance...
Major functions of ldquoSoftware Defined Radios( SDRs )rdquo are signal processing functions (SPF) and the basic building blocks for most of these functions are multipliers, adders, delays, square roots, trigonometric functions etc.. The SPFs are computationally intensive and they exhibit spatial or temporal parallelism or both. While the high performance DSP processors are unable to meet the speed...
The signal processing algorithms face many challenges in real-time applications because of their high computational complexity. Therefore, the major issues have been the enhancement of speed of the arithmetic units in general and multiplications and additions in particular. Double based number systems (DBNS) are increasingly gaining popularity for their capabilities of handling arithmetic operations...
Performance required by "software defined radio (SDR)" poses many challenges in real-time applications because of their high computational complexity and therefore, designing a high performance SDR with high degree of flexibility becomes a major issue. While the fastest programmable DSP processors are unable to meet the speed requirements for SDR, system on chips (SOCs) are also not suitable...
We introduce the notion of energy-scalable system-design. The principal idea is to maximize computational quality for a given energy constraint at all levels of the system hierarchy. The desirable energy-quality (E-Q) characteristics of systems are discussed. E-Q behavior of algorithms is considered and transforms that significantly improve scalability are analyzed using three distinct categories...
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