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The multimodulus blind equalization

WebOct 1, 2011 · A modified CMA, called the multimodulus algorithm (MMA), which may perform joint blind equalization and carrier recovery without the need for a separate … WebDec 16, 2015 · In this paper, the frequency-domain multimodulus blind equalization algorithm (FD-MMA) is proposed to implement mode demultiplexing for a 2 × 2 mode …

Mode demultiplexing based on multimodulus blind equalization …

WebJun 30, 2024 · The multimodulus algorithm (MMA) is widely used to suppress inter-symbols interference (ISI) in communication systems because of its advantages that it can … WebFeb 20, 2016 · In this work, a novel frequency domain soft-constraint satisfaction multimodulus blind algorithm (FDSCS-MMA) is developed and proposed. The frequency … اسرع بوطي https://fantaskis.com

Demultiplexing based on frequency-domain multimodulus blind ...

WebAbstract: A modulation identification algorithm based on blind channel identification and equalization is proposed for MPSK and MQAM signals in multi-path environments. The channel order is estimated accurately first. Then, the eigenvalue perturbation analysis is done on the basis of matrix outer-product decomposition to get the more stable ... WebThe field of blind channel equalization has been existence for a little over twenty years. Research during this time has centered on developing new algorithms and formulating a theoretical justification for these algorithms. Blind channel equalization is also known as a self-recovering equalization. The objective of blind equalization is to recover Web在盲均衡算法中,常模盲均衡算法(Constant Modulus blind equalization Algorithm,CMA)主要适应于低阶调制信号,但对于高阶调制信号,常模盲均衡算法的均衡效果比较差,容易产生较大的误差,而多模盲均衡算法(MMA)利用了均衡器输出信号的幅度和相位信息,有效克服 … اسرع بي سي ار في ابوظبي

Variable observation window length blind equalization detector for ...

Category:Variable observation window length blind equalization detector for ...

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The multimodulus blind equalization

Multimodulus algorithms for blind equalization Guide …

WebDec 18, 2007 · Abstract: This paper discusses the design and field programmable gate array (FPGA) implementation of a complex 18- tap blind adaptive equalizer, which can be utilized in the development of quadrature amplitude modulation (QAM) based demodulators for cable modems. The design can be configured to achieve channel equalization for square … Web基于动量分数阶多模盲均衡算法的信道均衡方法.pdf,本发明提出了一种基于动量分数阶多模盲均衡算法的信道均衡方法,将分数阶梯度与动量信息等概念引入到盲均衡技术中,利用均衡器输出信号与输入信号的期望构建代价函数,再运用代价函数的分数阶梯度信息与动量信息对均衡器的抽头加权矢量 ...

The multimodulus blind equalization

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WebThe Convergence Time of a Blind adaptive Equalizer Monika Pinchas Abstract—In a typical communication system, the blind adaptive ... as is the case in the multimodulus blind equalization algorithm (MMA) [1], [2], [3]. Usually, the equalized output is sent to a decision device in order to get the desired result. But, in order WebFeb 20, 2016 · SC-FDMA is a multi-access single-carrier modulation technique with a frequency domain equalization at the receiver and allows parallel transmission of multiple users’ data. It is a variant of OFDMA with an additional DFT and IDFT processing block at the transmitter and receiver, respectively.

WebJan 25, 2013 · A novel digital signal processing (DSP) scheme for quadrature duobinary (QDB) spectrum shaped polarization multiplexed quadrature phase shift keying (PM-QPSK) based on multi-modulus blind equalizations (MMBE) is proposed and demonstrated with both simulation and experimental results. The key algorithms for this novel digital signal … WebDec 16, 2015 · In this paper, the frequency-domain multimodulus blind equalization algorithm (FD-MMA) is proposed to implement mode demultiplexing for a 2 × 2 mode division multiplexing system. The performance of this algorithm is compared with the time-domain MMA (TD-MMA) and frequency-domain decision-directed least mean square …

WebThe simulation results in the underwater acoustic channel show that the proposed algorithm has higher convergence speed and accuracy than Multi-Modulus blind equalization … WebDec 16, 2014 · The performance enhancement using multimodulus blind equalization algorithm for compensating in-phase/ quadrature-phase (I/Q) mismatch in orthogonal frequency division multiplexing optical communication system is investigated. The mathematical theory of I/Q imbalance is analyzed. Then, a compensation scheme with …

WebA two-subcarrier quadrature phase shift keyed OFDM (QPSK-OFDM) signal can be equalized as a 9-ary quadrature amplitude modulation signal in the time domain with the cascaded multimodulus algorithm equalization method.

WebAug 15, 2014 · The idea of multimodulus blind equalization algorithm (MMA) is to minimize the errors of the real and imaginary components of the equalized signal around two … اسرع تمويل سياراتWeb合作机构. 西北大学信息科学与技术学院 53; 西安电子科技大学雷达信号处理国家重点实验室 28; 西安电子科技大学 4; 广西师范大学计算机科学与信息工程学院 3; 西安电子科技大学电子工程学院 2; 西安电子科技大学计算机学院 2; 空军工程大学工程学院 1; 西北大学 1; 西北大学文 … اسرع تمارين حرق دهونWebThe field of blind channel equalization has been existence for a little over twenty years. Research during this time has centered on developing new algorithms and formulating a … اسرع بي سي ار في دبيWebJun 10, 2005 · This work proposes a new blind equalization algorithm referred to herein as the multimodulus stop-and-go decision-directed algorithm (MSG-DDA), by combining the advantages of both an existing... اسرع تمارين شد البطنWebresearch may be combined with classical trained equalization methods to yield improved semiblind systems [3], [6], [9]. An added disadvantage of some blind channel equalization techniques is that the equalizer parameters are not provided directly as in the case of trained or constant modulus algorithm (CMA) based equalization [4], [24]. crash pad drum rugاسرع تردد 5gWebJan 1, 2015 · In view of slow convergence speed, large steady mean square error (MSE), and existing blind phase for the constant modulus blind equalization algorithm (CMA), a multi-modulus blind... اسرع توصيل مياه