Title :
Suppression of narrowband jammers in a DS spread spectrum receiver using modified adaptive filtering technique
Author :
He, Yueming ; Lei, Sheau-Fang ; Das, P. ; Saulnier, Gary J.
Author_Institution :
Dept. of Electr., Comput. & Syst. Eng., Rensselaer Polytech. Inst., Troy, NY, USA
fDate :
28 Nov-1 Dec 1988
Abstract :
Least mean squared (LMS) adaptive filtering techniques have been developed to suppress narrowband jammers in a direct-sequence (DS) spread-spectrum receiver. The authors discuss the modified LMS algorithm for transversal filter structure and lattice filter structures. Bit-error-rate (BER) results obtained by computer simulations are presented, which indicate the value of these algorithms in the jammer suppression application. Curves are presented which show the convergence properties of the algorithms
Keywords :
adaptive filters; filtering and prediction theory; interference suppression; jamming; least squares approximations; radio receivers; radiofrequency interference; spread spectrum communication; BER; DS spread spectrum receiver; LMS adaptive filtering; RFI; computer simulations; convergence properties; interference suppression; lattice filter structures; modified LMS algorithm; narrowband jammers suppression; transversal filter structure; Adaptive filters; Application software; Bit error rate; Computer simulation; Jamming; Lattices; Least squares approximation; Narrowband; Spread spectrum communication; Transversal filters;
Conference_Titel :
Global Telecommunications Conference, 1988, and Exhibition. 'Communications for the Information Age.' Conference Record, GLOBECOM '88., IEEE
Conference_Location :
Hollywood, FL
DOI :
10.1109/GLOCOM.1988.25899
