TY - GEN
T1 - High-performance RDFT design for applications of digital radio mondiale
AU - Lai, Shin Chi
AU - Juang, Wen Ho
AU - Lee, Yueh Shu
AU - Lei, Sheau-Fang
PY - 2013/9/9
Y1 - 2013/9/9
N2 - This paper presents a novel recursive discrete Fourier transform (RDFT) integrated with prime factor and common factor decomposition algorithms. For audio decoder and orthogonal frequency-division multiplexing (OFDM) in a DRM receiver, the proposed RDFT processor is applied to compute both DFT and IMDCT coefficients. Hence, it can greatly reduce the hardware costs in implementation of a portable DRM receiver. For computations of 256-points DFT, the proposed method can greatly reduce 82.75% of multiplications, 85.55% of additions, 79.66% of computational cycles compared with the latest Lai et al.'s RDFT. We further realize it by using TMSC 0.18um 1P6M CMOS technology. The core size is 840×840 um2 and the power consumption is 14.6mW@25MHz. The results show that it would be more efficient and more suitable than previous works for DRM applications.
AB - This paper presents a novel recursive discrete Fourier transform (RDFT) integrated with prime factor and common factor decomposition algorithms. For audio decoder and orthogonal frequency-division multiplexing (OFDM) in a DRM receiver, the proposed RDFT processor is applied to compute both DFT and IMDCT coefficients. Hence, it can greatly reduce the hardware costs in implementation of a portable DRM receiver. For computations of 256-points DFT, the proposed method can greatly reduce 82.75% of multiplications, 85.55% of additions, 79.66% of computational cycles compared with the latest Lai et al.'s RDFT. We further realize it by using TMSC 0.18um 1P6M CMOS technology. The core size is 840×840 um2 and the power consumption is 14.6mW@25MHz. The results show that it would be more efficient and more suitable than previous works for DRM applications.
UR - http://www.scopus.com/inward/record.url?scp=84883357684&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84883357684&partnerID=8YFLogxK
U2 - 10.1109/ISCAS.2013.6572411
DO - 10.1109/ISCAS.2013.6572411
M3 - Conference contribution
AN - SCOPUS:84883357684
SN - 9781467357609
T3 - Proceedings - IEEE International Symposium on Circuits and Systems
SP - 2601
EP - 2604
BT - 2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013
T2 - 2013 IEEE International Symposium on Circuits and Systems, ISCAS 2013
Y2 - 19 May 2013 through 23 May 2013
ER -