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- Sundar G. Sankaran, A. A. Beex
- IEEE Trans. Signal Processing
- 2000

Over the last decade, a class of equivalent algorithms that accelerate the convergence of the normalized LMS (NLMS) algorithm, especially for colored inputs, has been discovered independently. Theâ€¦ (More)

- S.G. Sankaran, A. A. Beex
- Conference Record of the Thirty-First Asilomarâ€¦
- 1997

A procedure is presented to accelerate the convergence of the normalized LMS algorithm for colored inputs. The usual NLMS algorithm reduces the distance between the estimated and true system weights,â€¦ (More)

- A. A. Beex, Peijun Shan
- ISCAS
- 1999

Most available instantaneous frequency (IF) estimation methods for frequency modulated signals in white noise deteriorate dramatically when SNR falls below some threshold. We present a time-varyingâ€¦ (More)

- Jung-Min Jerry Park, Jeffrey H. Reed, A. A. Beex, T. Charles Clancy, Vireshwar Kumar, Behnam Bahrak
- Proceedings of the IEEE
- 2014

When different stakeholders share a common resource, such as the case in spectrum sharing, security and enforcement become critical considerations that affect the welfare of all stakeholders. Recentâ€¦ (More)

- Peijun Shan, A. A. Beex
- ICASSP
- 1999

In case of a strong frequency modulated interference in a spread spectrum communication system, the interference can be effectively suppressed by applying a time-varying notch filter with its zero(s)â€¦ (More)

- Sundar G. Sankaran, A. A. Beex
- 2002 IEEE International Conference on Acousticsâ€¦
- 2002

We present the tracking properties of the Normalized LMS and affine projection class of algorithms for a randomly time-varying system under certain simplifying assumptions on the data. An expressionâ€¦ (More)

- Roshin Kadanna Pally, A. A. Beex
- 2009 16th International Conference on Digitalâ€¦
- 2009

A TVAR model has been shown to perform well when applied to short data records for Instantaneous Frequency (IF) estimation of frequency modulated (FM) components in white noise. However, when theâ€¦ (More)

- Roshin Kadanna Pally, A. A. Beex
- 2009 IEEE 10th Workshop on Signal Processingâ€¦
- 2009

A linear prediction error filter (PEF) formed from the coefficients of a time-varying autoregressive (TVAR) model can be used effectively for mitigating frequency modulated (FM) components in aâ€¦ (More)

- A. A. Beex, Min Xie
- ICASSP
- 1995

- A. A. Beex, Victor E. DeBrunner
- IEEE Trans. Signal Processing
- 1992