Title :
Adaptive and block excisions in spread spectrum communication systems using the wavelet transform
Author :
Patti, John ; Roberts, Scott ; Amin, Moeness G.
Author_Institution :
Rome Lab., Griffiss AFB, NY, USA
fDate :
31 Oct-2 Nov 1994
Abstract :
Adaptive wavelet domain filtering techniques are used for interference excision in spread spectrum communication systems to immunize the receiver to a large class of jammers, specifically those with burst energy characteristics. A fast wavelet transform along with the sparse structure of the transform-domain correlation matrix can be used to speed up the convergence. We present the adaptive wavelet transform baseband receiver and delineate its properties and performance
Keywords :
adaptive filters; adaptive signal processing; convergence of numerical methods; correlation methods; filtering theory; interference suppression; jamming; matrix algebra; pseudonoise codes; radio receivers; spread spectrum communication; wavelet transforms; adaptive excisions; adaptive wavelet domain filtering; adaptive wavelet transform baseband receiver; block excisions; burst energy characteristics; convergence speed; direct sequence spread spectrum; fast wavelet transform; interference excision; jammers; performance; sparse structure; spread spectrum communication systems; transform-domain correlation matrix; wavelet transform; Adaptive filters; Baseband; Convergence; Filtering; Interference; Jamming; Sparse matrices; Spread spectrum communication; Wavelet domain; Wavelet transforms;
Conference_Titel :
Signals, Systems and Computers, 1994. 1994 Conference Record of the Twenty-Eighth Asilomar Conference on
Conference_Location :
Pacific Grove, CA
Print_ISBN :
0-8186-6405-3
DOI :
10.1109/ACSSC.1994.471463
