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Differential matched filter architecture for spread spectrum communication systems

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3 Author(s)
W. -C. Lin ; Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan ; K. -C. Liu ; C. -K. Wang

The authors present a new digital matched filter architecture: digital differential matched filter (DDMF), that employs novel schemes to reduce the number of multiplications and accumulations (M and A). Theoretical analysis shows that the DDMF saves half of the M and A hardware in comparison with the conventional filter, and maintains identical processing gain. This makes the proposed DDMF more suitable for direct sequence spread spectrum (DSSS) communication systems and low power VLSI implementations

Published in:

Electronics Letters  (Volume:32 ,  Issue: 17 )