Blind adaptive constrained constant modulus algorithms based on unscented Kalman filter for beamforming
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Central South University"
DOI: 10.1007/s11771-017-3646-y
Abstract: This work proposes constrained constant modulus unscented Kalman filter (CCM-UKF) algorithm and its low-complexity version called reduced-rank constrained constant modulus unscented Kalman filter (RR-CCM-UKF) algorithm for blind adaptive beamforming. In the generalized sidelobe canceller (GSC)… read more here.
Keywords: kalman; constrained constant; constant modulus; unscented kalman ... See more keywords
Constant Modulus Algorithm With Reduced Probability of Singularity Enabled by PDL Mitigation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2017.2699331
Abstract: In this paper, a constant modulus algorithm (CMA) with reduced probability of singularity is proposed. Before implementing the conventional CMA, the correlation matrix of the signals on different polarizations is evaluated. Through singular value decomposition… read more here.
Keywords: probability singularity; reduced probability; constant modulus; pdl mitigation ... See more keywords
Efficient Constant Modulus Based Carrier Frequency Offset Estimation for CO-OFDM Systems
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2735902
Abstract: This paper proposes a blind carrier frequency offset (CFO) estimation method for coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems, using constant modulus signaling. The proposed scheme is based on a robust cost-function, which deviates… read more here.
Keywords: constant modulus; frequency; ofdm systems; carrier frequency ... See more keywords
Blind Constant Modulus Multiuser Detection With Regularization
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3170321
Abstract: The problem of blind constant modulus multiuser detection in code-division multiple-access (CDMA) systems is investigated in this letter. Different from traditional approaches which either assume the amplitude of the user of interest is known or… read more here.
Keywords: modulus multiuser; constant modulus; weight vector; multiuser detection ... See more keywords
On the Design of Multi-Spectrally Constrained Constant Modulus Radar Signals
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2020.2983642
Abstract: This paper deals with the synthesis of constant modulus waveforms that optimize radar performance while satisfying multiple spectral compatibility constraints. For each shared band, a precise control is imposed on the injected interference energy. Furthermore,… read more here.
Keywords: spectrally constrained; design multi; constant modulus; modulus ... See more keywords
Efficient Algorithms for Constant-Modulus Analog Beamforming
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2021.3094653
Abstract: The use of a large-scale antenna array (LSAA) has become an important characteristic of multi-antenna communication systems to achieve beamforming gains such as in designing millimeter-wave (mmWave) systems to combat severe propagation losses. In such… read more here.
Keywords: efficient algorithms; modulus analog; constant modulus; analog beamforming ... See more keywords