TY - GEN
T1 - Computationally efficient mismatched filters based on sidelobe inversion
AU - Fam, Adly T.
AU - Sarkar, Indranil
AU - Poonnen, Thomas
PY - 2007
Y1 - 2007
N2 - A computationally efficient mismatched filter comprised of a matched filter in cascade with a multi-stage filter based on sidelobe inversion is proposed. For this approach to work, the autocorrelation of the given code has to satisfy certain conditions that are derived in this work. If in addition, the sidelobes are sparse and of small integer values, such as in Barker codes and Huffman sequences, then the proposed filters are shown to be computationally very efficient. When implemented in VLSI, they require significantly smaller chip area and less power compared to the length-optimal filters achieving comparable sidelobe suppression.
AB - A computationally efficient mismatched filter comprised of a matched filter in cascade with a multi-stage filter based on sidelobe inversion is proposed. For this approach to work, the autocorrelation of the given code has to satisfy certain conditions that are derived in this work. If in addition, the sidelobes are sparse and of small integer values, such as in Barker codes and Huffman sequences, then the proposed filters are shown to be computationally very efficient. When implemented in VLSI, they require significantly smaller chip area and less power compared to the length-optimal filters achieving comparable sidelobe suppression.
KW - Barker codes
KW - Mismatched filter
KW - Sidelobe suppression
UR - https://www.scopus.com/pages/publications/71549159470
U2 - 10.1109/ISSPIT.2007.4458148
DO - 10.1109/ISSPIT.2007.4458148
M3 - Conference contribution
AN - SCOPUS:71549159470
SN - 9781424418350
T3 - ISSPIT 2007 - 2007 IEEE International Symposium on Signal Processing and Information Technology
SP - 558
EP - 563
BT - ISSPIT 2007 - 2007 IEEE International Symposium on Signal Processing and Information Technology
T2 - ISSPIT 2007 - 2007 IEEE International Symposium on Signal Processing and Information Technology
Y2 - 15 December 2007 through 18 December 2007
ER -