Low-Complexity and Reconfigurable Discrete Hilbert Transform Architecture Design Methodology

Mopuri, Suresh and Vanjari, Siva Rama Krishna and Acharyya, Amit (2018) Low-Complexity and Reconfigurable Discrete Hilbert Transform Architecture Design Methodology. Journal of Low Power Electronics, 14 (2). pp. 327-336. ISSN 1546-1998

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In this paper, we propose an architecture design methodology for Discrete Hilbert Transform targeting the emerging real-time applications such as Cyber-Physical systems, Internet of Things and Remote Health Monitoring where the same chip-set needs to be used for various purposes under the resource constrained scenario. To arrive at a low complexity and reconfigurable architecture, the proposed architecture exploits the similarity in nature of computation which uses only a single core element recursively. The proposed architecture and state of art architecture are coded in VHDL for 16 bit word length and ASIC implementation has been done at UMC 90 nm technology @VDD = 1 V and @1 MHZ clock frequency. Comprehensive theoretical analysis, architecture implementation and experimental comparison results show that the proposed design saves 59.75%, 58.70% and 57.27% on chip area and 84.32%, 83.01% and 82.76% power consumption when compared to the state of the art method for N = 32, 64 and 128 respectively. Furthermore the proposed architecture works for N = 2m point irrespective of m being an odd or even integer, where the state of art architecture fails to perform form being odd integer.

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IITH Creators:
IITH CreatorsORCiD
Vanjari, Siva Rama KrishnaUNSPECIFIED
Acharyya, Amithttp://orcid.org/0000-0002-5636-0676
Item Type: Article
Uncontrolled Keywords: Discrete hilbert transform (DHT), Initial index selection, Inter index selection, Intra index selection, Reconfigurable architecture
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 05 Oct 2018 07:25
Last Modified: 05 Oct 2018 07:25
URI: http://raiith.iith.ac.in/id/eprint/4468
Publisher URL: http://doi.org/10.1166/jolpe.2018.1553
OA policy: http://www.sherpa.ac.uk/romeo/issn/1546-1998/
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