Relevant bibliographies by topics / Demodulation Complexity

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Demodulation Complexity'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "Demodulation Complexity"

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Mu, Shi Guang, Jin Rong Bai, and Xiu Feng Shi. "Optimization and Simulation of Demodulation and Decoding of the LDPC-BICM-ID System." Applied Mechanics and Materials 701-702 (December 2014): 1088–92. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.1088.

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In the bit interleaving coded modulation (BICM-ID) solution,includes the demodulator and decoder into the iteration and decoding process, and the decoding is completed between demodulator and decoder. In studies, it have been found that the oscillation is generated on logarithmic likelihood ratio (LLR) because the soft information generated by all previous BP iterations is ignored in this solution, so that the BP soft information output by the final BP iterative decoding is not always reliable. In this paper, the above problem is solved by optimizing the iterative demodulation and decoding sol
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Chen, Xian Qing, Shu Bo Song, and Wu Zhou. "Demodulation of a M-Ray Position Phase Shift Keying System Using Multi-Class Support Vector Machine Classification." Applied Mechanics and Materials 687-691 (November 2014): 3840–43. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.3840.

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In this paper, we introduce a new approach for nonlinear demodulation based on multi-class support vector machine (SVM) classification. We propose to measure the performance of this demodulator with different M which is the parameter of M-ray position phase shift keying (MPPSK) modulation, and compare with other demodulation technique. During demodulation, a few sampling points are chosen for multi-class SVM training and testing, which can reduce the complexity of system. Simulation results show that this new approach significantly outperforms the method of using Phase Locked Loop (PLL) demodu
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Zou, Qin, and Min Wang. "Fast Demodulation Algorithm for Rate Compatible Modulation by Log-Map Principle." Advanced Materials Research 945-949 (June 2014): 2310–14. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.2310.

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Rate compatible modulation (RCM) is a promising technology to smooth rate adaption of physical layer in wireless network, and do not request the accurate channel estimation. Since RCM demodulation adopt probability convolution operator in belief propagation algorithm, it greatly bring big computing complexity. This paper proposes fast demodulation algorithm for RCM by using log-map principle. First, we propose a new demodulation algorithm by a novel approach to convert arithmetic domain to logarithm domain. Then, we design a parallel manner that to find multivariable computation in Log-MAP alg
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Ruppert, Michael G., David M. Harcombe, Michael R. P. Ragazzon, S. O. Reza Moheimani, and Andrew J. Fleming. "A review of demodulation techniques for amplitude-modulation atomic force microscopy." Beilstein Journal of Nanotechnology 8 (July 10, 2017): 1407–26. http://dx.doi.org/10.3762/bjnano.8.142.

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In this review paper, traditional and novel demodulation methods applicable to amplitude-modulation atomic force microscopy are implemented on a widely used digital processing system. As a crucial bandwidth-limiting component in the z-axis feedback loop of an atomic force microscope, the purpose of the demodulator is to obtain estimates of amplitude and phase of the cantilever deflection signal in the presence of sensor noise or additional distinct frequency components. Specifically for modern multifrequency techniques, where higher harmonic and/or higher eigenmode contributions are present in
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Yao, Xue Lu, Gang Fu, and Ren Long Li. "Demodulation Method of Telemetry Signal Based on Virtual Radio." Advanced Materials Research 989-994 (July 2014): 3981–84. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.3981.

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According to the characteristics of PCM / FM signal demodulation method is proposed based on virtual radio platform. This paper discusses in detail the basic principles of this demodulation method and implementation process, analyze the demodulation performance and complexity of the method. Simulation results show that the method for actually received PCM / FM demodulation signal has better performance.
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Wu, Xiaofu, and Songgeng Sun. "Block demodulation of MDPSK with low complexity." Electronics Letters 34, no. 5 (1998): 428. http://dx.doi.org/10.1049/el:19980218.

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Ortega, Lorenzo, Charly Poulliat, Marie Laure Boucheret, Marion Aubault Roudier, Hanaa Al-Bitar, and Pau Closas. "Low Complexity Robust Data Demodulation for GNSS." Sensors 21, no. 4 (2021): 1341. http://dx.doi.org/10.3390/s21041341.

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In this article, we provide closed-form approximations of log-likelihood ratio (LLR) values for direct sequence spread spectrum (DS-SS) systems over three particular scenarios, which are commonly found in the Global Navigation Satellite System (GNSS) environment. Those scenarios are the open sky with smooth variation of the signal-to-noise ratio (SNR), the additive Gaussian interference, and pulsed jamming. In most of the current communications systems, block-wise estimators are considered. However, for some applications such as GNSSs, symbol-wise estimators are available due to the low data r
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Huang, Lian Fen, Tian Li Hu, Zhi Yan Wang, and Wei Ming Lin. "Design and Analysis of a Low Complexity CPM Receiver Based on Differential Soft Decision." Advanced Materials Research 171-172 (December 2010): 495–99. http://dx.doi.org/10.4028/www.scientific.net/amr.171-172.495.

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In this paper, based on the research of the Continuous Phase Modulation (CPM) receiver, we conclude that the coherent demodulation can achieve better frequency efficiency than the non-coherent demodulation, at the cost of higher design complexity. Hence, this paper proposes a novel differential soft decision scheme to reduce the complexity of the CPM receiver. Simulation results show that the proposed scheme can reduce the complexity of the CPM receiver significantly, while causes a slight performance loss
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Torres Gómez, Jorge, Fidel Hernández, and Joachim Habermann. "New digital demodulator with matched filters and curve segmentation techniques for BFSK demodulation: Analytical description." Ingeniería e Investigación 35, no. 3 (2015): 92–99. http://dx.doi.org/10.15446/ing.investig.v35n3.47386.

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<p class="Abstractandkeywordscontent">The present article relates in general to digital demodulation of Binary Frequency Shift Keying (BFSK). The objective of the present research is to obtain a new processing method for demodulating BFSK-signals in order to reduce hardware complexity in comparison with other methods reported. The solution proposed here makes use of the matched filter theory and curve segmentation algorithms. This paper describes the integration and configuration of a Sampler Correlator and curve segmentation blocks in order to obtain a digital receiver for a proper demo
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Kajur, Renuka, and K. V. Prasad. "Design and analysis of optimized CORDIC based GMSK system on FPGA platform." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (2020): 4679. http://dx.doi.org/10.11591/ijece.v10i5.pp4679-4686.

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The Gaussian minimum shift keying (GMSK) is one of the best suited digital modulation schemes in the global system for mobile communication (GSM) because of its constant envelop and spectral efficiency characteristics. Most of the conventional GMSK approaches failed to balance the digital modulation with efficient usage of spectrum. In this article, the hardware architecture of the optimized CORDIC-based GMSK system is designed, which includes GMSK Modulation with the channel and GMSK Demodulation. The modulation consists of non-return zero (NRZ) encoder, an integrator followed by Gaussian fil
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Dissertations / Theses on the topic "Demodulation Complexity"

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Guéguen, Arnaud, and David Auvray. "Towards a Low Complexity Implementation of a Multi-H CPM Demodulator." International Foundation for Telemetering, 2009. http://hdl.handle.net/10150/606034.

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ITC/USA 2009 Conference Proceedings / The Forty-Fifth Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2009 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>Multi-h Continuous Phase Modulation (CPM) is a promising waveform for aeronautical telemetry because it is a compact spectrally efficient constant amplitude modulation. It has been selected as the Advanced Range Telemetry (ARTM) tier II waveform owing to these qualities. However, it is also a complicated waveform that has the reputation of suffering from complex demodulation processing and hig
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Arbi, Tarak. "Les constellations tournées pour les réseaux sans fil et l'internet des objets sous-marins." Thesis, Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAE002.

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La croissance exponentielle du nombre d’objets communicants et la demande accrue pour les services sans fil d’une part, et le besoin de réduire le coût énergétique des communications radio et les émissions associées de gaz à effet de serre, rendent les techniques qui sont efficaces à la fois en terme de ressources spectrales et en terme de ressources énergétiques, comme les constellations tournées, particulièrement intéressantes. En effet, les constellations tournées donnent de meilleures performances théoriques que les constellations conventionnelles sur les canaux à évanouissements grâce à u
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Book chapters on the topic "Demodulation Complexity"

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Belic, Aleš, and Vito Logar. "Identification of Motor Functions Based on an EEG Analysis." In Medical Applications of Intelligent Data Analysis. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-1803-9.ch011.

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A combination of several techniques is necessary for a reliable identification of activities based on EEG signals. A separation of the overlapping patterns in the EEG signals is often performed first. These separated patterns are then analysed by some artificial intelligence methods in order to identify the activity. As pattern separation and activity identification are often linked, the two processes must be tuned to a specific problem, thus losing some generality of the procedure. The complexity of the patterns in EEG signals is often too great for completely automated pattern recognition. In this case, phase demodulation was introduced as a procedure for the extraction of the phase properties of the EEG signals. These phase shifts are known to correlate with the brain activity; therefore, phase-demodulated EEG signals were used to predict the motor activity. Three studies with off-line identification of the motor activities have been performed so far. In the first study, a continuous gripping force was predicted. In the second study, index- and middle-finger activation was predicted, and in the final study, wrist movements were analysed. The presented procedure can be used for designing a continuous brain-computer interface.
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Conference papers on the topic "Demodulation Complexity"

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Ghaffar, Rizwan, and Raymond Knopp. "Low complexity BICM demodulation for MIMO transmission." In 2008 IEEE 9th Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2008). IEEE, 2008. http://dx.doi.org/10.1109/spawc.2008.4641637.

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Haddad, Salim, Amer Baghdadi, and Michel Jezequel. "Adaptive complexity MIMO turbo receiver applying turbo demodulation." In 2012 7th International Symposium on Turbo Codes & Iterative Information Processing (ISTC). IEEE, 2012. http://dx.doi.org/10.1109/istc.2012.6325234.

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Gkrimpas, D., and V. Paliouras. "On The Complexity of Joint Demodulation and Convolutional Decoding." In 2007 IEEE Workshop on Signal Processing Systems. IEEE, 2007. http://dx.doi.org/10.1109/sips.2007.4387629.

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Chang, Ching-Haur. "Reduced-complexity equalizer for two-dimensional modulations with coherent demodulation." In 2012 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC). IEEE, 2012. http://dx.doi.org/10.1109/icspcc.2012.6335590.

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Qiao, Yongwei, and Tiejun Lv. "Blind Synchronization and Low-Complexity Demodulation for DS-UWB Systems." In Networking Conference (WCNC). IEEE, 2010. http://dx.doi.org/10.1109/wcnc.2010.5506367.

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Haddad, Salim, Oscar Sanchez, Arner Baghdadi, and Michel Jezequel. "Complexity reduction of shuffled parallel iterative demodulation with turbo decoding." In 2012 19th International Conference on Telecommunications (ICT). IEEE, 2012. http://dx.doi.org/10.1109/ictel.2012.6221298.

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Feng, Yi, and Jan Bajcsy. "A capacity-complexity trade-off for CDMA with multi-user demodulation." In 2012 26th Biennial Symposium on Communications (QBSC). IEEE, 2012. http://dx.doi.org/10.1109/qbsc.2012.6221380.

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Nekuii, Mehran, and Timothy N. Davidson. "Reduced-Complexity Demodulation for MIMO-BICM-IDD using Modified Stack Algorithms." In 2007 IEEE International Conference on Acoustics, Speech, and Signal Processing. IEEE, 2007. http://dx.doi.org/10.1109/icassp.2007.366473.

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Kekrt, Daniel, and Zdenek Becvar. "Low-Complexity Iterative Soft-output Demodulation for Hierarchical Quadrature Amplitude Modulation." In GLOBECOM 2020 - 2020 IEEE Global Communications Conference. IEEE, 2020. http://dx.doi.org/10.1109/globecom42002.2020.9322213.

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Truhachev, Dmitri, Christian Schlegel, and Lukasz Krzymien. "Low-Complexity Capacity Achieving Two-Stage Demodulation/Decoding for Random Matrix Channels." In 2007 IEEE Information Theory Workshop. IEEE, 2007. http://dx.doi.org/10.1109/itw.2007.4313139.

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