Title :
A knowledge-based interference rejection scheme for direct sequence spread-spectrum systems
Author :
Demirkiran, I. ; Samarasooriya, V.N.S. ; Varshney, P.K. ; Weiner, D.D. ; Mani, Ramamurthy ; Nawab, S. Hamid ; Tyler, Stephen
Author_Institution :
Dept. of Electr. & Comput. Eng., Syracuse Univ., NY, USA
Abstract :
A knowledge-based interference rejection scheme for removal of narrow band interference (NBI) in direct sequence spread-spectrum systems (DSSS) is presented. The interference rejection system monitors the environment and identifies the types of interference embedded in the DSSS signal. An accurate estimate of the characteristics of the NBI is obtained and is used to direct the subsequent interference rejection schemes. The system performance is illustrated by means of simulation results
Keywords :
adaptive filters; adaptive signal processing; band-pass filters; interference suppression; knowledge based systems; pseudonoise codes; radiofrequency interference; spread spectrum communication; telecommunication computing; DS-SS signal; analysis filters; bit error rate performance; direct sequence spread-spectrum systems; filter adaptation; filter bank; knowledge-based interference rejection; notch filters; receiver design complexity; signal processing; simulation results; system performance; Adaptive filters; Displays; Frequency modulation; Interference suppression; Laboratories; Narrowband; Signal processing; Spread spectrum communication; Time frequency analysis; Wideband;
Conference_Titel :
Personal Wireless Communications, 1997 IEEE International Conference on
Conference_Location :
Mumbai
Print_ISBN :
0-7803-4298-4
DOI :
10.1109/ICPWC.1997.655491
