Title :
Interference excision in DSSS based on undecimated wavelet packet transform
Author :
Pardo, E. ; Pérez, J.J. ; Rodriguez, M.A.
Author_Institution :
Univ. Politecnica de Valencia, Spain
Abstract :
An algorithm for suppressing narrowband interference in direct-sequence spread-spectrum (DSSS) systems is presented. It is based on a combination of frequency shifts with the undecimated wavelet packet transform. Simulation results show very robust and nearly optimal performance.
Keywords :
AWGN; interference suppression; phase shift keying; radiofrequency interference; spread spectrum communication; wavelet transforms; AWGN; BER performance; DSSS; coherent DS/BPSK; direct-sequence spread-spectrum systems; frequency shifts; interference excision; interference rejection performance; narrowband interference suppression; simulation results; undecimated wavelet packet transform; very robust nearly optimal performance;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030969
