Suchergebnisse - "Constant modulus algorithm"

  1. 1

    Real-Time Polarization Demultiplexing by Multi-Thread Constant Modulus Algorithm for Fully Softwarized Access Networks von Suzuki, Takahiro, Kim, Sang-Yuep, Kani, Jun-ichi, Yoshida, Tomoaki

    ISSN: 0733-8724, 1558-2213
    Veröffentlicht: New York IEEE 01.03.2023
    Veröffentlicht in Journal of lightwave technology (01.03.2023)
    “… difficult to softwarize high-speed filter updates in a constant modulus algorithm (CMA) that supports real-world state of polarization (SOP) change …”
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  2. 2

    Experimental demonstration of modified constant modulus algorithm with polarization demultiplexing in Stokes space in optical coherent receiver von Huang, Bohang, Dong, Xiangyong, Shi, Fengjie, Yu, Zhenming, Xu, Kun

    ISSN: 0030-4018
    Veröffentlicht: Elsevier B.V 01.06.2025
    Veröffentlicht in Optics communications (01.06.2025)
    “… Constant modulus algorithm (CMA) is widely applied for polarization demultiplexing in coherent optical communication system …”
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  3. 3

    Wirtinger Flow Meets Constant Modulus Algorithm: Revisiting Signal Recovery for Grant-Free Access von Feres, Carlos, Ding, Zhi

    ISSN: 1053-587X, 1941-0476
    Veröffentlicht: New York IEEE 2021
    Veröffentlicht in IEEE transactions on signal processing (2021)
    “… In this work, we analyze the convergence of constant modulus algorithm (CMA) in blindly recovering multiple signals to facilitate grant-free wireless access …”
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  4. 4

    Dual polarized optical multi‐input multi‐output transmission over 7‐core few‐mode fiber using adaptive recursive least squares constant modulus algorithm von Khalid, Hafiz A., Ullah, Sibghat

    ISSN: 0895-2477, 1098-2760
    Veröffentlicht: New York Wiley Subscription Services, Inc 01.01.2024
    Veröffentlicht in Microwave and optical technology letters (01.01.2024)
    “… By using the adaptive recursive least squares constant modulus algorithm (RLSCMA) at the receiver side, transmission data is successfully recovered by mitigating the effects of modal delay and mode coupling of received signals …”
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  5. 5

    Improved Frequency Estimation in Unbalanced Three-Phase Power System Using Coupled Orthogonal Constant Modulus Algorithm von Zecevic, Zarko, Krstajic, Bozo, Popovic, Tomo

    ISSN: 0885-8977, 1937-4208
    Veröffentlicht: IEEE 01.08.2017
    Veröffentlicht in IEEE transactions on power delivery (01.08.2017)
    “… The proposed solution is based on the transformation of unbalanced three-phase voltage signal into a complex exponential by using the orthogonal constant modulus algorithm …”
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  6. 6

    Performance analyses of polarization demultiplexing based on constant-modulus algorithm in digital coherent optical receivers von Kikuchi, Kazuro

    ISSN: 1094-4087, 1094-4087
    Veröffentlicht: United States 09.05.2011
    Veröffentlicht in Optics express (09.05.2011)
    “… In the digital coherent optical receiver, we can achieve polarization demultiplexing in the digital domain, using a two-by-two matrix controlled by the constant-modulus algorithm (CMA …”
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  7. 7

    Modified constant modulus algorithm for polarization-switched QPSK von Johannisson, Pontus, Sjödin, Martin, Karlsson, Magnus, Wymeersch, Henk, Agrell, Erik, Andrekson, Peter A.

    ISSN: 1094-4087, 1094-4087
    Veröffentlicht: United States 11.04.2011
    Veröffentlicht in Optics express (11.04.2011)
    “… By using a generalized cost function, a modified constant modulus algorithm (CMA) that allows polarization demultiplexing and equalization of polarization-switched QPSK is found …”
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  8. 8

    Blind time domain nonlinear compensator embedded in the constant modulus algorithm von Zhou, Junhe, Zhang, Yunwang

    ISSN: 1094-4087, 1094-4087
    Veröffentlicht: United States 05.08.2019
    Veröffentlicht in Optics express (05.08.2019)
    “… The nonlinear compensator is embedded in the constant modulus algorithm (CMA) which consists of two stages …”
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  9. 9

    Vital Sign Tracking Using Modified Constant Modulus Algorithm Adaptive Array von Ogawa, Yuta, Honma, Naoki, Murata, Kentaro, Iwai, Morio, Kobayashi, Koichiro

    ISSN: 2475-1472, 2475-1472
    Veröffentlicht: Piscataway IEEE 01.02.2023
    Veröffentlicht in IEEE sensors letters (01.02.2023)
    “… This letter proposes a modified constant modulus algorithm (CMA)-based beamforming method for a multiple-input-multiple-output (MIMO …”
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  10. 10

    An analytical constant modulus algorithm von van der Veen, A.-J., Paulraj, A.

    ISSN: 1053-587X
    Veröffentlicht: New York, NY IEEE 01.05.1996
    Veröffentlicht in IEEE transactions on signal processing (01.05.1996)
    “… Iterative constant modulus algorithms such as Godard (1980) and CMA have been used to blindly separate a superposition of cochannel constant modulus (CM …”
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  11. 11

    Constant Modulus Algorithm With Reduced Probability of Singularity Enabled by PDL Mitigation von Zhou, Junhe, Zheng, Guozeng, Wu, Jianjie

    ISSN: 0733-8724, 1558-2213
    Veröffentlicht: New York IEEE 01.07.2017
    Veröffentlicht in Journal of lightwave technology (01.07.2017)
    “… In this paper, a constant modulus algorithm (CMA) with reduced probability of singularity is proposed …”
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  12. 12

    Space–time constant modulus algorithm for multipath removal on the reference signal exploited by passive bistatic radar von Colone, F., Cardinali, R., Lombardo, P., Crognale, O., Cosmi, A., Lauri, A., Bucciarelli, T.

    ISSN: 1751-8784, 1751-8792
    Veröffentlicht: Stevenage Institution of Engineering and Technology 01.06.2009
    Veröffentlicht in IET radar, sonar & navigation (01.06.2009)
    “… Based on the well-known constant modulus algorithm (CMA) approach in the time-domain, new multi-dimensional techniques are considered for the adaptive equalisation …”
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  13. 13

    Parallel Blind Adaptive Equalization of Improved Block Constant Modulus Algorithm With Decision-Directed Mode von Chen, Ying, Weng, Geqi, Luan, Shenji, Shang, Yanhai, Liu, Chao, Bao, Jianrong

    ISSN: 2169-3536, 2169-3536
    Veröffentlicht: Piscataway IEEE 2023
    Veröffentlicht in IEEE access (2023)
    “… To eliminate inter-symbol interferences (ISI) caused by nonlinear group delay effect in high-speed broadband satellite sensor networks, an efficient parallel adaptive blind equalization of improved block constant modulus algorithm (IBCMA …”
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  14. 14

    Null space method for tap value initialization in constant modulus algorithm for mode division multiplexing systems von Zhou, Junhe, Zheng, Guozeng

    ISSN: 1094-4087, 1094-4087
    Veröffentlicht: United States 28.05.2018
    Veröffentlicht in Optics express (28.05.2018)
    “… In this paper, we propose a constant modulus algorithm (CMA) for mode division multiplexing (MDM …”
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  15. 15

    Optimal Step-Size Constant Modulus Algorithm von Zarzoso, V., Comon, P.

    ISSN: 0090-6778, 1558-0857
    Veröffentlicht: New York, NY IEEE 01.01.2008
    Veröffentlicht in IEEE transactions on communications (01.01.2008)
    “… The step size leading to the absolute minimum of the constant modulus (CM) criterion along the search direction can be obtained algebraically at each iteration …”
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  16. 16

    Recursive least squares constant modulus algorithm for blind adaptive array von Yuxin Chen, Le-Ngoc, T., Champagne, B., Changjiang Xu

    ISSN: 1053-587X, 1941-0476
    Veröffentlicht: New York, NY IEEE 01.05.2004
    Veröffentlicht in IEEE transactions on signal processing (01.05.2004)
    “… ) optimization technique. A novel RLS constant modulus algorithm (RLS-CMA) is derived, where the modulus power of the array output can take on arbitrary positive real values (i.e …”
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  17. 17

    Modified Constant Modulus Algorithm With Polarization Demultiplexing in Stokes Space in Optical Coherent Receiver von Yu, Zhenming, Yi, Xingwen, Zhang, Jing, Deng, Mingliang, Zhang, Hongbo, Qiu, Kun

    ISSN: 0733-8724, 1558-2213
    Veröffentlicht: New York, NY IEEE 01.10.2013
    Veröffentlicht in Journal of lightwave technology (01.10.2013)
    “… We propose a modified method of constant modulus algorithm (CMA) based on polarization demultiplexing in Stokes space for polarization demultiplexing (SS-PDM …”
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  18. 18

    An Eight-parallel Hierarchical Constant Modulus Algorithm for Sixty-four Quadrature Amplitude Modulation von Chao, GAO, Xiaojie, WU, Libin, JIAO, Xiaofeng, LI

    ISSN: 1742-6588, 1742-6596
    Veröffentlicht: IOP Publishing 01.04.2020
    Veröffentlicht in Journal of physics. Conference series (01.04.2020)
    “… One derivative type of the constant modulus algorithm (CMA) termed hierarchical CMA (HCMA …”
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  19. 19

    Concurrent Modified Constant Modulus Algorithm and Decision Directed Scheme With Barzilai-Borwein Method von Xu, Tongtong, Xiang, Zheng, Yang, Hua, Chen, Yun, Luo, Jun, Zhang, Yutao

    ISSN: 1662-5218, 1662-5218
    Veröffentlicht: Lausanne Frontiers Research Foundation 10.06.2021
    Veröffentlicht in Frontiers in neurorobotics (10.06.2021)
    “… In this work, we propose a concurrent modified constant modulus algorithm (MCMA) and the decision …”
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  20. 20

    A robust adaptive weighted constant modulus algorithm for blind equalization of wireless communications systems under impulsive noise environment von Li, Jin, Feng, Da-Zheng, Li, Bingbing

    ISSN: 1434-8411, 1618-0399
    Veröffentlicht: Elsevier GmbH 01.01.2018
    “… A robust adaptive weighted constant modulus algorithm is proposed for blind equalization of wireless communication systems under impulsive noise environment …”
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