A novel hardware implementation for the IEEE 802.22 Turbo-Like Interleaver
2012
In this paper, we present different designs for hardware implementation of the IEEE 802.22 Turbo-Like Interleaver. In addition to classical approaches such as direct and ROM-based implementation, a novel architecture is proposed. All of the new and classical designs are implemented using VHDL, synthesized with standard cells of a 180 nm typical CMOS technology and compared in terms of area, power, and delay. Based on the simulation results, the proposed method results in 33% and 46% improvements in terms of area and power compared to the direct method. It also shows 88% saving in area and 46% reduction in power consumption rather than ROM-based method. Furthermore, its operating frequency meets the standard requirements.
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