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Artykuły w czasopismach na temat „Non-orthogonal Information”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Zhang, De Xi, and Xiao Yu Li. "Information Delay Protocol Using Non-Orthogonal Quantum States." Advanced Engineering Forum 1 (September 2011): 178–82. http://dx.doi.org/10.4028/www.scientific.net/aef.1.178.

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In this paper we provide an information delay protocol using non-orthogonal quantum states. One person can send the other person some information which cannot be read until he or she lets the latter do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the sender decides to let the other get the information, he or she need only to send the latter some dictates through a public classical channel. There are no entangled states and complex quantum operations except measurements needed in our protocol. So it is easier to carry out and more robust in pr

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2

Jacobs, K. "Feedback control for communication with non-orthogonal states." Quantum Information and Computation 7, no. 1&2 (2007): 127–38. http://dx.doi.org/10.26421/qic7.1-2-8.

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Communicating classical information with a quantum system involves the receiver making a measurement on the system so as to distinguish as well as possible the alphabet of states used by the sender. We consider the situation in which this measurement takes an appreciable time. In this case the measurement must be described by a continuous measurement process. We consider a continuous implementation of the optimal measurement for distinguishing between two non-orthogonal states, and show that feedback control can be used during this measurement to increase the rate at which the information rega

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3

Víglaský, Viktor. "Hidden Information Revealed Using the Orthogonal System of Nucleic Acids." International Journal of Molecular Sciences 23, no. 3 (2022): 1804. http://dx.doi.org/10.3390/ijms23031804.

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In this study, the organization of genetic information in nucleic acids is defined using a novel orthogonal representation. Clearly defined base pairing in DNA allows the linear base chain and sequence to be mathematically transformed into an orthogonal representation where the G–C and A–T pairs are displayed in different planes that are perpendicular to each other. This form of base allocation enables the evaluation of any nucleic acid and predicts the likelihood of a particular region to form non-canonical motifs. The G4Hunter algorithm is currently a popular method of identifying G-quadrupl

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4

Lv, Qiao-Qiao, Jin-Min Liang, Zhi-Xi Wang, and Shao-Ming Fei. "Quantum information masking in non-Hermitian systems and robustness." Laser Physics Letters 19, no. 4 (2022): 045203. http://dx.doi.org/10.1088/1612-202x/ac52b1.

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Abstract By studying quantum information masking (QIM) in non-Hermitian quantum systems, we show that mutually orthogonal quantum states can be deterministically masked, while an arbitrary set of quantum states cannot be masked in non-Hermitian quantum systems. We further demonstrate that a set of linearly independent states which are mutually η-orthogonal can be deterministically masked by a pseudo-unitary operator. Moreover, we study robustness of QIM against noisy environments. The robustness of deterministic and probabilistic QIM under different quantum noise channels is analyzed in detail

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5

ZHANG, Wei-Tao, Shun-Tian LOU, and Yan-Liang ZHANG. "Non-symmetrical Non-orthogonal Fast Joint Diagonalization Algorithm." Acta Automatica Sinica 36, no. 6 (2010): 829–36. http://dx.doi.org/10.3724/sp.j.1004.2010.00829.

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6

Guo, Weidong. "Exploiting Incremental Virtual Full Duplex Non-Orthogonal Multiple Access Systems." Information 13, no. 5 (2022): 216. http://dx.doi.org/10.3390/info13050216.

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This paper investigates the throughput performance of an incremental virtual full-duplex non-orthogonal multiple access (I-VFD-NOMA) communication system, where two energy harvesting (EH) enabled near users are willing to forward message for far user using decode-and-forward (DF) protocol. If the direct link between the source and the far user exists, I-VFD-NOMA scheme is used to save the channel resources. If the direct link between the source and the far user does not exist, I-VFD-NOMA can not be used and only VFD-NOMA can be used. With this structure, The analytical expressions of the syste

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7

Alijani, Azadeh. "Non-orthogonal fusion frames in Hilbert C∗-modules." International Journal of Wavelets, Multiresolution and Information Processing 16, no. 03 (2018): 1850015. http://dx.doi.org/10.1142/s0219691318500157.

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Fusion frames or frames of subspaces are an extension of frames that have many applications in science. The paper presents non-orthogonal fusion frames with real valued bounds and [Formula: see text]-valued bounds in Hilbert [Formula: see text]-modules which they are called NOFF and NO[Formula: see text]FF, respectively. Their elementary properties are studied, for example, the relations between NOFF and NO[Formula: see text]FF in Hilbert [Formula: see text]-modules are established. More precisely, we investigate these fusion frames in Hilbert [Formula: see text]-modules over different [Formul

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8

Rosmaniza AR, Siti, Norulhusna Ahmad Ahmad, and Sharifah Kamilah Syed Yusof. "Signal modulation techniques in Non-orthogonal waveform for future wireless communication system." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 3 (2019): 1458. http://dx.doi.org/10.11591/ijeecs.v15.i3.pp1458-1465.

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<span>In the future generation of the wireless communication system, the utilization of bandwidth needs to be managed efficiently. Due to that, research on enhancing the efficiency of the bandwidth has recently attracted numerous interests focusing more on the non-orthogonal waveform generation and detection. Even though non-orthogonal waveform is promising a higher efficiency, it introduces inter-carrier interference (ICI) at the transmitter due to the subcarrier overlapping. In this paper, the signaling technique for non-orthogonal waveform generation and detection is discussed. This p

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9

ZHAO, PING, ZHAOWEI SHANG, and CHUN ZHAO. "IMAGE DENOISING BASED ON GAUSSIAN AND NON-GAUSSIAN ASSUMPTION." International Journal of Wavelets, Multiresolution and Information Processing 10, no. 02 (2012): 1250014. http://dx.doi.org/10.1142/s0219691312500142.

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In this paper, we first present an adaptive intra-scale noise removal scheme, and estimate clean wavelet coefficients using new prior information with Bayesian estimation techniques. A new model using the non-informative improper Jeffreys' prior is given under the supposed Gaussian distribution for orthogonal wavelet transformation. Then, we propose a computationally feasible adaptive noise smoothing algorithm that considers the dependency characteristics of images. The wavelet coefficients are assumed to be non-Gaussian random variables for non-orthogonal redundancy transformation. The varian

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10

Katz, Reuven, John Yook, and Yoram Koren. "Control of a Non-Orthogonal Reconfigurable Machine Tool." Journal of Dynamic Systems, Measurement, and Control 126, no. 2 (2004): 397–405. http://dx.doi.org/10.1115/1.1771692.

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Computerized control systems for machine tools must generate coordinated movements of the separately driven axes of motion in order to trace accurately a predetermined path of the cutting tool relative to the workpiece. However, since the dynamic properties of the individual machine axes are not exactly equal, undesired contour errors are generated. The contour error is defined as the distance between the predetermined and actual path of the cutting tool. The cross-coupling controller (CCC) strategy was introduced to effectively decrease the contour errors in conventional, orthogonal machine t

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11

Choi, William, and Veronica Ka Wai Lai. "Does musicianship influence the perceptual integrality of tones and segmental information?" Journal of the Acoustical Society of America 154, no. 2 (2023): 852–62. http://dx.doi.org/10.1121/10.0020579.

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This study investigated the effect of musicianship on the perceptual integrality of tones and segmental information in non-native speech perception. We tested 112 Cantonese musicians, Cantonese non-musicians, English musicians, and English non-musicians with a modified Thai tone AX discrimination task. In the tone discrimination task, the control block only contained tonal variations, whereas the orthogonal block contained both tonal and task-irrelevant segmental variations. Relative to their own performance in the control block, the Cantonese listeners showed decreased sensitivity index (d′)

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12

Xia, Wenlong, Qingdang Meng, Qingchuan Tao, and Ray T. Chen. "Non‐orthogonal multiple access without channel state information for similar channel conditions." Electronics Letters 55, no. 8 (2019): 493–95. http://dx.doi.org/10.1049/el.2018.7754.

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13

Liu, Yuanwei, Zhiguo Ding, Maged Elkashlan, and H. Vincent Poor. "Cooperative Non-orthogonal Multiple Access With Simultaneous Wireless Information and Power Transfer." IEEE Journal on Selected Areas in Communications 34, no. 4 (2016): 938–53. http://dx.doi.org/10.1109/jsac.2016.2549378.

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14

Ha, Jeonghun, and Myoungseob Lim. "Time Offset Non Orthogonal Multiple Access for Increasing Information Transmission Capacity in Radio Multiple Access Area of Next Generation Mobile Communications." Journal of the Institute of Electronics and Information Engineers 58, no. 11 (2021): 10–18. http://dx.doi.org/10.5573/ieie.2021.58.11.10.

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15

El-Mesady, A., Y. S. Hamed, and Khadijah M. Abualnaja. "A novel application on mutually orthogonal graph squares and graph-orthogonal arrays." AIMS Mathematics 7, no. 5 (2022): 7349–73. http://dx.doi.org/10.3934/math.2022410.

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<abstract> <p>Security of personal information has become a major concern due to the increasing use of the Internet by individuals in the digital world. The main purpose here is to prevent an unauthorized person from gaining access to confidential information. The solution to such a problem is by authentication of users. Authentication has a very important role in achieving security. Mutually orthogonal graph squares (MOGS) are considered the generalization of mutually orthogonal Latin squares (MOLS). Also, MOGS are generated from edge decompositions of complete bipartite graphs by

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16

Basnayake, Vishaka, Dushantha Nalin K. Jayakody, Vishal Sharma, Nikhil Sharma, P. Muthuchidambaranathan, and Hakim Mabed. "A New Green Prospective of Non-orthogonal Multiple Access (NOMA) for 5G." Information 11, no. 2 (2020): 89. http://dx.doi.org/10.3390/info11020089.

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Energy efficiency is a major concern in the emerging mobile cellular wireless networks since massive connectivity is to be expected with high energy requirements from the network operators. Non-orthogonal multiple access (NOMA) being the frontier multiple access scheme for 5G, there exists numerous research attempts on enhancing the energy efficiency of NOMA enabled wireless networks while maintaining its outstanding performance metrics such as high throughput, data rates and capacity maximized optimally.The concept of green NOMA is introduced in a generalized manner to identify the energy eff

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17

Pastore, Adriano, and Mònica Navarro. "A Fairness–Throughput Tradeoff Perspective on NOMA Multiresolution Broadcasting." IEEE Transactions on Broadcasting 65, no. 1 (2019): 179–86. https://doi.org/10.1109/TBC.2018.2876807.

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We propose an analytical framework for characterizing the tradeoff between fairness and throughput that arises in a cellular or satellite downlink when multicast information is encoded in two resolution levels (high versus low priority information). Given a target fairness (measured in terms of the ratio between the information rates of low versus high resolution stream), the operator seeks to optimize the modulation and coding schemes so as to maximize the average cell throughput. Viewing operating points as fairness-throughput pairs allows to meaningfully quantify and interpret the superiori

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18

Golitsyn, Volodymir, and Olha Sushchenko. "Methods of Processing Data in Measuring Instrument with Non-orthogonal Orientation of Inertial Sensors." Electronics and Control Systems 1, no. 71 (2022): 36–42. http://dx.doi.org/10.18372/1990-5548.71.16822.

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The paper deals with improving methods of processing data in measuring instruments with non-orthogonal orientation of inertial sensors. The method of processing measuring information based on neural networks is represented. The method for searching failures of separate sensors in the redundant non-orthogonal measuring instrument based on neural networks is proposed. The method for widening the dynamic range of redundant non-orthogonal measuring instrument is described. The appropriate calculating procedures are represented in details. Description of the represented methods is accompanied by re

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19

Yang, Zheng, Zhiguo Ding, Pingzhi Fan, and George K. Karagiannidis. "On the Performance of Non-orthogonal Multiple Access Systems With Partial Channel Information." IEEE Transactions on Communications 64, no. 2 (2016): 654–67. http://dx.doi.org/10.1109/tcomm.2015.2511078.

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20

Lian, Xuanhao, Xinwei Yue, Xuehua Li, Xiang Yun, Tian Li, and Dehan Wan. "Reconfigurable Intelligent Surface Assisted Non-Terrestrial NOMA Networks." Wireless Communications and Mobile Computing 2022 (September 19, 2022): 1–13. http://dx.doi.org/10.1155/2022/8494630.

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This paper considers the application of reconfigurable intelligent surface (RIS) to non-terrestrial non-orthogonal multiple access (NOMA) networks. More specifically, the performance of a pair of non-orthogonal users for RIS assisted non-terrestrial NOMA networks is investigated over large-scale fading and Nakagami- m fading cascaded channel. The exact and asymptotic expressions of outage probability are derived for the nearby user and distant user with the imperfect successive interference cancellation (SIC) and perfect SIC schemes. Based on the approximated results, the diversity orders of t

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21

Feng, Youhong, Shihao Yan, Nan Yang, Zhen Yang, and Jinhong Yuan. "Safeguarding Non-Orthogonal Multiple Access with Physical Layer Techniques." IEEE Network 36, no. 3 (2022): 145–51. http://dx.doi.org/10.1109/mnet.014.2100091.

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22

Park, Sang-Wook, Hyoung-Do Kim, Kyung-Ho Shin, et al. "Performance Analysis of a New Non-Orthogonal Multiple Access Design for Mitigating Information Loss." Mathematics 12, no. 17 (2024): 2752. http://dx.doi.org/10.3390/math12172752.

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This paper proposes a scheme that adds XOR bit operations into the encoding and decoding process of the conventional non-orthogonal multiple access (NOMA) system to alleviate performance degradation caused by the power distribution of the original signal. Because the conventional NOMA combines and sends multiple data within limited resources, it has a higher data rate than orthogonal multiple access (OMA), at the expense of error performance. However, by using the proposed scheme, both error performance and sum rate can be improved. In the proposed scheme, the transmitter sends the original da

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23

Lee, Yi-Hsuan, and Cheng Chen. "An Efficient Code Generation Algorithm for Non-orthogonal DSP Architecture." Journal of VLSI Signal Processing Systems for Signal, Image, and Video Technology 47, no. 3 (2007): 281–96. http://dx.doi.org/10.1007/s11265-007-0053-x.

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24

Liang, Naiyao, Zuyuan Yang, Zhenni Li, Weijun Sun, and Shengli Xie. "Multi-view clustering by non-negative matrix factorization with co-orthogonal constraints." Knowledge-Based Systems 194 (April 2020): 105582. http://dx.doi.org/10.1016/j.knosys.2020.105582.

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25

Ren, Renyuan, Zile Li, Liangui Deng, et al. "Non-orthogonal polarization multiplexed metasurfaces for tri-channel polychromatic image displays and information encryption." Nanophotonics 10, no. 11 (2021): 2903–14. http://dx.doi.org/10.1515/nanoph-2021-0259.

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Abstract Interference usually occurs between two non-orthogonally polarized light beams. Hence, metasurface enabled polarization multiplexing is generally conducted under two orthogonal polarization states to realize independent intensity and/or phase modulations. Herein, we show that polarization multiplexed metasurfaces can work under three non-orthogonal polarization states to realize tri-channel image displays with independent information encoding. Specifically, enabled by orientation degeneracy, each nanostructure of the metasurface operates with triple-manipulations of light, i.e., two c

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26

Tanioka, Kensuke, and Hiroshi Yadohisa. "Simultaneous Method of Orthogonal Non-metric Non-negative Matrix Factorization and Constrained Non-hierarchical Clustering." Journal of Classification 36, no. 1 (2019): 73–93. http://dx.doi.org/10.1007/s00357-018-9284-8.

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27

He, Qiang, Zheng Xiang, and Peng Ren. "A coordinated non-orthogonal multiple access strategy for integrated terrestrial-satellite networks." PLOS ONE 16, no. 3 (2021): e0248173. http://dx.doi.org/10.1371/journal.pone.0248173.

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In this paper, we investigate the outage probability and ergodic sum capacity of the downlink of the integrated satellite-terrestrial networks (ISTN) with a cooperative non-orthogonal multiple access (CNOMA) scheme, in which a user with better channel condition acts as a relay node and forwards information to the other users. In this paper, a pilot-based channel estimation method is considered which can verify the performance of this scheme with the imperfect channel state information. In this model, all these users are equipped with multi-antennas, and all of them are both in the coverage of

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28

Pham, Triet Minh. "RESEARCH ON TECHNICAL CRITERIA OF 5G MOBILE COMMUNICATION SYSTEM AND NON-ORTHOGONAL MULTIPLE ACCESS." Scientific Journal of Tra Vinh University 1, no. 1 (2019): 109–14. http://dx.doi.org/10.35382/18594816.1.1.2019.96.

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Today, with the need of connecting information anytime, anywhere, especially mobile Internet and Internet of Things (IoT), this has set three important requirements:solving the number of connections, increasing the speed of access and higher security than current networks. The ITU-R team has developed contents that related to the technical specifications of the 5th generation (5G) mobile communication system called IMT-2020. In order to address one of the three major requirements of network operators, which is high availability connectivity, non-orthogonal multiple access technologies (NOMA) h

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29

You, Li, Jiayuan Xiong, Ke-Xin Li, Wenjin Wang, and Xiqi Gao. "Non-Orthogonal Unicast and Multicast Transmission for Massive MIMO With Statistical Channel State Information." IEEE Access 6 (2018): 66841–49. http://dx.doi.org/10.1109/access.2018.2879366.

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30

Wang, Qin, Su-Juan Zhang, Chen-Ming Bai, and Lu Liu. "The condition of masking quantum qutric states." Laser Physics Letters 19, no. 11 (2022): 115201. http://dx.doi.org/10.1088/1612-202x/ac9374.

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Abstract In this paper, we obtain a general condition of quantum information masking by studying the quantum states in C 3 . This condition suggests that quantum information can be masked, if and only if the coefficients of the quantum state satisfy the given system of equations. In this case, we discuss a specific example and give an intuitive representation of the image. For the non-orthogonal case of quantum state in C 3 , we acquire the masking quantum information conclusion about the basis. Finally, under the circumstances that one pair of quantum state is not orthogonal, we classify quan

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31

Botrill, Andrew R., Anastassios E. Giannakopulos, Allen Millichope, Ken S. Lee, and Peter J. Derrick. "Combination of Time-of-Flight Mass Analysers with Magnetic-Sector Instruments: In-Line and Perpendicular Arrangements. Applications to Poly(Ethylene Glycol) with Long-Chain end Groups." European Journal of Mass Spectrometry 6, no. 2 (2000): 225–32. http://dx.doi.org/10.1255/ejms.341.

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High-energy collision-induced dissociation has been shown to provide extensive and detailed structural information on poly(ethylene glycol) with palmitoyl end-groups. Fragmentation within the end-groups provides direct information on their structures. Both in-line time-of-flight (TOF) and orthogonal TOF have been used for the measurement of fragment ions. Use of TOF as the second stage of mass spectrometry has facilitated exploitation of the pulsed method of ionisation matrix-assisted laser desorption/ionisation (MALDI). The orthogonal TOF instrument is used with a liquid secondary-ion mass sp

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32

KUMAR, SHIVANI A., H. PRAKASH, N. CHANDRA, and R. PRAKASH. "NOISE IN SWAPPING BETWEEN TWO PAIRS OF NON-ORTHOGONAL ENTANGLED COHERENT STATES." Modern Physics Letters B 27, no. 03 (2012): 1350017. http://dx.doi.org/10.1142/s0217984913500176.

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We consider a scheme of swapping between two pairs of non-orthogonal entangled coherent states with our suggested modification [H. Prakash, N. Chandra, R. Prakash and Shivani, Int. J. Mod. Phys. B 23(8) (2009) 2083] and discuss effect of decoherence on fidelity in swapping. We find that for odd photon counts, MAF (minimum of the fidelity for any arbitrary information) decreases with increase in |α|2 for low noise but in case of high noise, it increases, attains a maximum value and then decreases with |α|2. However, for nonzero even photon counts, the case is reversed. For this case, MAF decrea

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33

Metwaly, Samar Shaker, Ahmed M. Abd El-Haleem, and Osama El-Ghandour. "No-Regret Matching Game Algorithm for NOMA Based UAV-Assisted NB-IoT Systems." Ingénierie des systèmes d information 26, no. 1 (2021): 79–85. http://dx.doi.org/10.18280/isi.260108.

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NB-IoT is the standardized technology for machine type communication (MTC) in Long Term Evolution (LTE). NB-IoT can achieve IoT requirements nevertheless, it suffers a low rate and capacity. On the other hand, Unmanned aerial vehicles (UAV) and Non-Orthogonal Multiple Access (NOMA) are promising technology used to enhance the throughput, capacity, and coverage of wireless communication networks. In this paper, we propose a heterogeneous network scenario where a UAV small Base Station (UBS) is used to assist the LTE Macro Base Station (MBS) with the help of the Non-Orthogonal Multiple Access te

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34

Song, Su Luo. "The Structure and Properties of a Class of Affine Subspaces and Applications in Mechatronics Science." Applied Mechanics and Materials 321-324 (June 2013): 2385–88. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.2385.

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Information science focuses on understanding problems from the perspective of the stakeholders involved and then applying information and other technologies as needed. We show that every affine subspace is the orthogonal direct sum of at most three purely non-reducing subspaces. This result is obtained through considering the basicquestion as to when the orthogonal complement of an afffine subspace in another one is still affine subspace. Motivated by the fundamental question as to whethor every affine subspace is singly-generated wavelet frame, we prove that every affine sub -space can be dec

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35

Liu, Chang, Kun He, Ji Liu Zhou, and Yan Li Zhu. "Facial Expression Recognition Based on Orthogonal Nonnegative CP Factorization." Advanced Materials Research 143-144 (October 2010): 111–15. http://dx.doi.org/10.4028/www.scientific.net/amr.143-144.111.

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Facial Expression recognition based on Non-negative Matrix Factorization (NMF) requires the object images should be vectorized. The vectorization leads to information loss, since local structure of the images is lost. Moreover, NMF can not guarantee the uniqueness of the decomposition. In order to remedy these limitations, the facial expression image was considered as a high-order tensor, and an Orthogonal Non-negative CP Factorization algorithm (ONNCP) was proposed. With the orthogonal constrain, the low-dimensional presentations of samples were non-negative in ONNCP. The convergence characte

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36

Kong, Qingming, Jianyong Sun, and Zongben Xu. "Joint orthogonal symmetric non-negative matrix factorization for community detection in attribute network." Knowledge-Based Systems 283 (January 2024): 111192. http://dx.doi.org/10.1016/j.knosys.2023.111192.

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Dixit, Shivani, Varun Shukla, and Manoj Kumar Shukla. "Progressive pattern orthogonal interleaver set for interleave division multiple access based, non orthogonal multiple access schemes: Beyond 5G perspective." Journal of Electrical Engineering 73, no. 6 (2022): 419–25. http://dx.doi.org/10.2478/jee-2022-0057.

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Abstract This communication suggests an orthogonal interleaver set for interleave division multiple access (IDMA) based non orthogonal multiple access (NOMA) schemes from beyond 5G viewpoint to support enormous increase in user count. The method generates an orthogonal interleaver set by providing two mother interleavers as seed to generate other users’ interleaving patterns progressively. The key feature of the proposed scheme is that it reduces implementation complexity and memory requirement at the base station, while implementing iterative multiuser detection (MUD), which most of the inter

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38

Zhang, Miao, Yao Zhang, Qian Cen, and Shixun Wu. "Deep learning–based resource allocation for secure transmission in a non-orthogonal multiple access network." International Journal of Distributed Sensor Networks 18, no. 6 (2022): 155013292211043. http://dx.doi.org/10.1177/15501329221104330.

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Machine learning techniques, especially deep learning algorithms have been widely utilized to deal with different kinds of research problems in wireless communications. In this article, we investigate the secrecy rate maximization problem in a non-orthogonal multiple access network based on deep learning approach. In this non-orthogonal multiple access network, the base station intends to transmit two integrated information: a confidential information to user 1 (the strong user) and a broadcast information to user 1 and user 2. In addition, there exists an eavesdropper that intends to decode t

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Jin, Xianglan, Jae-Dong Yang, Jong-Seon No, and Dong-Joon Shin. "Distributed space-time coded non-orthogonal DF protocols with source antenna switching." Journal of Communications and Networks 12, no. 5 (2010): 492–98. http://dx.doi.org/10.1109/jcn.2010.6388495.

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Do, Dinh-Thuan, and Anh-Tu Le. "Ergodic capacity of internet of things’ devices in presence of channel state information imperfection." Bulletin of Electrical Engineering and Informatics 11, no. 2 (2022): 838–45. http://dx.doi.org/10.11591/eei.v11i2.3138.

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Non-orthogonal multiple access (NOMA) is deployed to improve spectral efficiency for applications in fifth generation networks. NOMA system splits power domain to many parts to further serve massive users by relaxing the orthogonal use of radioresources. In this paper, a relay is required to help the source communicate with destinations with a fixed power allocation scheme. We derive expressions to highlight ergodic performance of two users the deployment of NOMA is suitable to different rate requirements from destinations (e.g., a cellular users have different requirements compared with inter

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Dinh-Thuan, Do, and Le Anh-Tu. "Ergodic capacity of internet of things' devices in presence of channel state information imperfection." Bulletin of Electrical Engineering and Informatics 11, no. 2 (2022): 838–45. https://doi.org/10.11591/eei.v11i2.3138.

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Non-orthogonal multiple access (NOMA) is deployed to improve spectral efficiency for applications in fifth generation networks. NOMA system splits power domain to many parts to further serve massive users by relaxing the orthogonal use of radioresources. In this paper, a relay is required to help the source communicate with destinations with a fixed power allocation scheme. We derive expressions to highlight ergodic performance of two users the deployment of NOMA is suitable to different rate requirements from destinations (e.g., a cellular users have different requirements compared with inter

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Le, Chi-Bao, and Dinh-Thuan Do. "Studying strictly positive secure capacity in cognitive radio-based non-orthogonal multiple access." Bulletin of Electrical Engineering and Informatics 10, no. 2 (2021): 848–55. http://dx.doi.org/10.11591/eei.v10i2.2117.

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This paper studies a downlink security-aware secure outage performance in the secondary network of cognitive radio-assisted non-orthogonal multiple access network (CR-NOMA). The multiple relay is employed to assist transmission from the secondary source to destinations. The security-aware performance is subject to constraints in fixed power allocation factor assigned to each secondary user. The security-aware secure performance is based on channel state information (CSI) at the physical layer in which an eavesdropper intends to steal information. According to the considered system, exact expre

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Chi-Bao, Le, and Do Dinh-Thuan. "Studying strictly positive secure capacity in cognitive radio-based non-orthogonal multiple access." Bulletin of Electrical Engineering and Informatics 10, no. 2 (2021): 848~855. https://doi.org/10.11591/eei.v10i2.2117.

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This paper studies a downlink security-aware secure outage performance in the secondary network of cognitive radio-assisted non-orthogonal multiple access network (CR-NOMA). The multiple relay is employed to assist transmission from the secondary source to destinations. The security-aware performance is subject to constraints in fixed power allocation factor assigned to each secondary user. The security-aware secure performance is based on channel state information (CSI) at the physical layer in which an eavesdropper intends to steal information. According to the considered system, exact expre

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Mursula, Kalevi, and Lauri Holappa. "Principal Component Analysis of Geomagnetic Activity: New Information on Solar Wind." Proceedings of the International Astronomical Union 13, S335 (2017): 197–200. http://dx.doi.org/10.1017/s1743921317010146.

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AbstractWe use the principal component analysis to study geomagnetic activity at annual resolution using a network of 26 magnetic stations in 1966-2015, and an extended network of 40 stations in 1980-2015. The first principal component describes the long-term evolution of global geomagnetic activity, and has an excellent correlation with indices like the Kp/Ap index. The two networks give identical results for the first principal component. The second principal component is highly correlated with the annual percentage of high-speed streams (HSS). The extended network has a slightly higher sens

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Sui, Tao, Yongxin Feng, Qiang Jiang, Fang Liu, and Tong Zhang. "Design and Analysis of a Short Reference Orthogonal Double Bit Rate Differential Chaotic Shift Keying Communication Scheme." Electronics 11, no. 13 (2022): 2020. http://dx.doi.org/10.3390/electronics11132020.

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With the broadband, noise-like, and non-periodic characteristics of chaotic signals, chaotic digital modulation schemes have received extensive attention. A new short reference orthogonal double bit rate differential chaotic shift keying (SR-ODBR-DCSK) communication scheme is proposed in the paper. The modulation technology generates two orthogonal chaotic signals by using the orthogonality of the chaotic signals acting on the Walsh function and modulates the continuous two-bit data information respectively to achieve the simultaneous transmission of two signals at the same time slot. Odd info

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PAMUKTI, BRIAN, NACHWAN MUFTI ADRIANSYAH, and REYVALDO FAHREZY NILADBRATA. "Evaluasi Coded Random Access untuk Visible Light Communication pada Model Kanal Non-Line Of Sight." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 10, no. 2 (2022): 405. http://dx.doi.org/10.26760/elkomika.v10i2.405.

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ABSTRAKPenggunaan Non-Orthogonal Multiple Access (NOMA) pada sistem komunikasi dapat memberi kebebasan bagi user untuk mengirimkan informasi secara bersamaan tanpa harus memperebutkan timeslot ataupun frekuensi. Coded Random Access (CRA) adalah salah satu bagian dari Coded Comain-NOMA (CDNOMA) yang menggunakan kode tanpa ortogonal untuk komunikasi uplink. Terinspirasi dari Additive Links On Line Hawaii Area (ALOHA), kami menggunakan metode Irregular Repetition Slotted ALOHA (IRSA) dengan tiga jumlah slot node dan sembilan degree distribution pada model kanal Line Of Sight (LOS) dan Non-LOS (NL

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Liang, Xing Zhu, and Yu E. Lin. "Orthogonal Semi-Supervised Marginal Fisher Analysis." Advanced Materials Research 989-994 (July 2014): 2551–54. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.2551.

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In recent years, a variety of manifold-based learning dimensionality reduction techniques have been proposed, which attempt to project the original data into a lower dimensional feature space by preserving the local neighborhood structure. Among them, marginal fisher analysis (MFA) achieved high performance for face recognition. However, the optimal basis vectors obtained by MFA are non-orthogonal and MFA usually deteriorates when labeled information is insufficient. In order to resolve these problems, we present a new method called orthogonal semi-supervised marginal fisher analysis (OSMFA),

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Liu, Guangrong, Yang Liu, and Xiangrong Li. "Convex combination of quantum states and characterization of correlation." Journal of Physics: Conference Series 2964, no. 1 (2025): 012084. https://doi.org/10.1088/1742-6596/2964/1/012084.

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Abstract In the study of optical quantum information, quantum teleportation can be realized by preparing multiphoton entangled states. Entanglement is a special quantum correlation, and there is also a quantum correlation in separable quantum States, which comes from the measurement of quantum states. Convex combinations of arbitrary quantum states are still quantum states. From the spectral decomposition of a quantum state, an ensemble formed by a complete eigenvector system can be determined, which corresponds to an orthogonal projection operator family with rank 1, and the convex combinatio

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Alzubaidi, Noor, and Ismael Sharhan Hubri. "Non-Orthogonal Multiple Access (NOMA) Dynamic Power Allocation in 5G Networks." Wasit Journal of Engineering Sciences 10, no. 2 (2022): 111–18. http://dx.doi.org/10.31185/ejuow.vol10.iss2.297.

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Abstract The thought of non-orthogonal multiple access (NOMA) are given as a potential radio access method for versatile correspondence networks past the fourth era (4G). As opposed to current long haul development radio access procedures, non-symmetrical different access involves the power space for client multiplexing at the transmitter and utilizations a successive obstruction dropping recipient as the pattern collector conspire, considering future cell phone advancement. Non-symmetrical different access is feasible to serve various clients simultaneously and recurrence. For 5G wireless com

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Shukla, Aasheesh. "Intelligent reflected surfaces assisted code domain non-orthogonal multiple access scheme." Journal of Electrical Engineering 72, no. 5 (2021): 343–47. http://dx.doi.org/10.2478/jee-2021-0048.

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Abstract The propagation medium plays a crucial role in any wireless communication networks, the channel between the transmitter and the receiver, deteriorate the quality of the received signal due to the uncontrollable interactions such as scattering, reflection, and refraction in the channel with the surrounding objects. To overcome this challenge, the recent advent of recongurable intelligent surfaces can be helpful, in which the network operators can control the radio waves, eg, the phase, amplitude, frequency, and even polarization, of the impinging signals without the need of complex dec

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