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Proceedings ArticleDOI

The least-squares CMA: A new technique for rapid correction of constant modulus signals

B.G. Agee
- Vol. 11, pp 953-956
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TLDR
A new rapidly-converging constant modulus algorithm is presented, analyzed, and demonstrated for a two-sensor array, and is shown to be globally stable and convergent for any linearly-independent set of input data.
Abstract
A new rapidly-converging constant modulus algorithm is presented, analyzed, and demonstrated for a two-sensor array. The algorithm is shown to be globally stable and convergent for any linearly-independent set of input data. The algorithm is also shown to converge significantly (10 to 100 times) faster than the conventional CMA, with negligible (< 1 dB.) convergent misadjustment, in the presence of moderate and severe co-channel interference.

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References
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Journal ArticleDOI

Self-Recovering Equalization and Carrier Tracking in Two-Dimensional Data Communication Systems

TL;DR: This paper solves the general problem of adaptive channel equalization without resorting to a known training sequence or to conditions of limited distortion.
Journal ArticleDOI

A new approach to multipath correction of constant modulus signals

TL;DR: In this article, an adaptive digital filtering algorithm that can compensate for both frequency-selective multipath and interference on constant envelope modulated signals is presented, which exploits the fact that multipath reception and various interference sources generate incidental amplitude modulation on the received signal.
Proceedings ArticleDOI

Convergence behavior of the constant modulus algorithm

M. Larimore, +1 more
TL;DR: Some aspects of dynamic convergence behavior are discussed, with conclusions supported by simulation of adaptive filter algorithm for constant envelope waveforms.
Proceedings ArticleDOI

Noise capture properties of the constant modulus algorithm

M. Larimore, +1 more
TL;DR: In communication applications, the Constant Modulus Algorithm has proven an effective means for adjusting coefficients of an adaptive filter, however, under certain conditions, it may generate a response that discriminates against the signal component in a preference for broadband noise for sustained periods.