Title :
The performance of spatial smoothing techniques using the LMS algorithm
Author :
Anderson, P.D. ; Ingram, M.A. ; Goldstein, J.S.
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
The effects of correlated interference on narrowband adaptive arrays are reviewed. The performance of the spatial smoothing technique, used in a generalized sidelobe canceler with the least mean squares algorithm, is examined in terms of weight misadjustment, mean squared error, and signal-to-noise ratio. One method of combining the algorithm with spatial smoothing is shown to obey a set of nonhomogeneous dynamical equations. A numerical example is presented to support the analysis
Keywords :
adaptive antenna arrays; adaptive signal processing; array signal processing; correlation methods; interference suppression; least mean squares methods; smoothing methods; LMS algorithm; correlated interference; generalized sidelobe canceler; least mean squares; mean squared error; narrowband adaptive arrays; nonhomogeneous dynamical equation; signal-to-noise ratio; spatial smoothing technique; weight misadjustment; Adaptive arrays; Equations; Interference; Laboratories; Least squares approximation; Narrowband; Noise cancellation; Signal to noise ratio; Smoothing methods; Space technology;
Conference_Titel :
Military Communications Conference, 1994. MILCOM '94. Conference Record, 1994 IEEE
Conference_Location :
Fort Monmouth, NJ
Print_ISBN :
0-7803-1828-5
DOI :
10.1109/MILCOM.1994.473825
