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Artykuły w czasopismach na temat „Discrete-rate adaptive modulation”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Cui, Qimei, Hengguo Song, Hui Wang, Mikko Valkama, and Alexis A. Dowhuszko. "Capacity Analysis of Joint Transmission CoMP With Adaptive Modulation." IEEE Transactions on Vehicular Technology 66, no. 2 (2016): 1876–81. https://doi.org/10.1109/TVT.2016.2564106.

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Joint transmission (JT)-based Coordinated Multipoint (CoMP) systems achieve high performance gains by allowing full coordination among multiple cells, transforming unwanted intercell interference into useful signal power. In this paper, we present an analytical model to perform adaptive modulation for a typical JT CoMP system, consisting of three transmission points, under a target bit error rate (BER) constraint. Probability density functions of the signal-to-interference-plus-noise ratio (SINR) are derived for different JT CoMP schemes, and based on them, closed-form expressions for the aver

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2

Wang Lei, 王. 磊., 郝士琦 Hao Shiqi, 张. 岱. Zhang Dai, and 王. 勇. Wang Yong. "Performance of Adaptive Modulation Coding System for Atmospheric Laser Communication Under Discrete Rate Condition." Acta Optica Sinica 37, no. 7 (2017): 0706002. http://dx.doi.org/10.3788/aos201737.0706002.

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Li, Dong, Chicheng Ma, Junfei Wang, et al. "High-Speed GaN-Based Superluminescent Diode for 4.57 Gbps Visible Light Communication." Crystals 12, no. 2 (2022): 191. http://dx.doi.org/10.3390/cryst12020191.

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Visible light communication (VLC) is a promising technology for next-generation high-speed optical wireless data links. Among various transmitters, GaN-based superluminescent diodes (SLDs) show interesting characteristics, including a large modulation bandwidth, droop free and low speckle noise, which makes them attractive for VLC applications. In this work, we design and fabricate a blue-emitting SLD utilizing tilted facet configuration. Using SLD as the light source, a VLC system is experimentally demonstrated. A record data rate of 4.57 gigabit per second (Gbps) is achieved with adaptive bi

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4

Nadal, Laia, Moreolo Michela Svaluto, Josep Maria Fàbrega, et al. "DMT Modulation with Adaptive Loading for High Bit Rate Transmission Over Directly Detected Optical Channels." Journal of Lightwave Technology 32, no. 21 (2014): 3541–51. https://doi.org/10.5281/zenodo.55196.

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In this paper, we present the design and analysis of an adaptive cost-effective discrete multitone transponder (DMT) using direct detection (DD) suitable for data center interconnections. Levin Campello margin adaptive (LC-MA) algorithm is applied to the transponder digital signal processing modules to enhance fiber chromatic dispersion (CD) resilience, while achieving high-data rate transmission. The bit error rate (BER) performance and the rate/distance adaptive capabilities of the proposed transponder have been numerically analyzed and compared to bandwidth variable uniform loading, taking

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5

Zhu, Yiwu, Lei Mao, Hui Hu, Yijun Wang, and Ying Guo. "Adaptive Continuous-Variable Quantum Key Distribution with Discrete Modulation Regulative in Free Space." Mathematics 10, no. 23 (2022): 4450. http://dx.doi.org/10.3390/math10234450.

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The finite sampling bandwidth of an analog-to-digital converter has a negative effect on the continuous-variable quantum key distribution (CVQKD), which leaves a potential loophole for an eavesdropper and weakens the practical security of the system. To compensate for the loss in free space, we deploy an adaptive optics (AO) unit in the detector of the CVQKD system with discrete modulations. Since the closed-loop control bandwidth of the embedded AO unit can be optimized with the sampling frequency, the practical security of the system can be enhanced in terms of the secret key rate. The secur

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6

YU, Xiangbin, Xi WANG, Tao TENG, Qiyishu LI, and Fei WANG. "Power Allocation Scheme for Energy Efficiency Maximization in Distributed Antenna System with Discrete-Rate Adaptive Modulation." IEICE Transactions on Communications E102.B, no. 8 (2019): 1705–14. http://dx.doi.org/10.1587/transcom.2018ebp3204.

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7

Khalid, A. M., G. Cossu, R. Corsini, P. Choudhury, and E. Ciaramella. "1-Gb/s Transmission Over a Phosphorescent White LED by Using Rate-Adaptive Discrete Multitone Modulation." IEEE Photonics Journal 4, no. 5 (2012): 1465–73. http://dx.doi.org/10.1109/jphot.2012.2210397.

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8

Yang, Zhikai, Keping Zhang, Jinlong Yang, and Yaping Yao. "Parameter Optimization and Experimental Study on Alfalfa Stem Flattening Process Based on DEM–MBD." Agriculture 15, no. 9 (2025): 922. https://doi.org/10.3390/agriculture15090922.

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To address issues such as uneven flattening and high stem breakage rate in post-harvest alfalfa field conditioning operations, an adjustable-clearance flattening and modulating device was designed. The device incorporates a dual-spring floating pressure mechanism and preload adjustment mechanism to ensure the adaptive performance of conditioning rollers during alfalfa stem flattening. Based on the biological characteristics of alfalfa stems, a rigid–flexible coupling model between stems and the flattening and modulating device was established. Using the Discrete Element Method (DEM) and Multib

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9

Yu, Xiangbin, Wenting Tan, Binbin Wu, and Yang Li. "Discrete-rate adaptive modulation with variable threshold for distributed antenna system in the presence of imperfect CSI." China Communications 11, no. 13 (2014): 31–39. http://dx.doi.org/10.1109/cc.2014.7022523.

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10

Yu, Xiangbin, Shu-Hung Leung, and Wai-Ki Wong. "Variable-power discrete-rate adaptive modulation with orthogonal space-time block coding for Nakagami-m fading channels." Transactions on Emerging Telecommunications Technologies 23, no. 1 (2011): 16–24. http://dx.doi.org/10.1002/ett.1504.

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11

Nadal, Laia, Moreolo Michela Svaluto, Josep Maria Fàbrega, et al. "Programmable SDN-enabled S-BVT based on hybrid electro-optical MCM." Optical Communications and Networking 10, no. 6 (2018): 593–602. https://doi.org/10.1364/JOCN.10.000593.

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A programmable software-defined networking- enabled (SDN-enabled) sliceable bit rate variable transceiver based on hybrid electro-optical multicarrier modulation as a key enabler for superchannel generation in future 5G metro networks is proposed. Multiple discrete multitone signals can be multiplexed/demultiplexed with optical orthogonal transform processors such as spectral selective switches (SSSs). By implementing optical spectrally efficient transforms at the SSSs, we are able to generate a high-capacity superchannel to support the transmission targets envisioned in 5G networks. Specifica

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12

Rahmad, Hidayat, Sujana Ahmad, Ghea Mahardika Andrew, Herawati, Devira Ramady Givy, and Sri Lestari Ninik. "Robust interference cancellation for differential quadrature phase-shift keying modulation with band limiting and adaptive filter." TELKOMNIKA (Telecommunication, Computing, Electronics and Control) 19, no. 5 (2021): 1475–83. https://doi.org/10.12928/telkomnika.v19i5.19178.

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Differential quadrature phase-shift keying (DQPSK) modulation techniques and their variants are widely applied in digital communication, such as for high-speed optical fiber, bluetooth, or satellite communication. In its implementation, DQPSK cannot be separated from the potential harmful interference. In this research, a system model has been made for observation and analysis of the interference cancellation process. Discrete finite-duration impulse response (FIR) filters for band limiting and adaptive filter are the key components of the supporting block for this system model. Robust Simulin

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13

Hejie Yang, S. C. J. Lee, E. Tangdiongga, et al. "47.4 Gb/s Transmission Over 100 m Graded-Index Plastic Optical Fiber Based on Rate-Adaptive Discrete Multitone Modulation." Journal of Lightwave Technology 28, no. 4 (2010): 352–59. http://dx.doi.org/10.1109/jlt.2009.2034393.

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14

Imran Tariq, Muhammad, Razvan Beuran, and Yoichi Shinoda. "Optimal Power and Modulation Adaptation Policies with Receiver Diversity over Rayleigh Fading Channel." Indonesian Journal of Electrical Engineering and Computer Science 4, no. 1 (2016): 104. http://dx.doi.org/10.11591/ijeecs.v4.i1.pp104-115.

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<p>Efficient bandwidth utilization is paramount in wireless communication systems, particulary in fading<br />environments, since fading is one of the major constraints that impair communication in wireless systems.<br />The bandwidth efficiency of a wireless communication system can be enhanced significantly by employing<br />power and modulation adaptation policies with diversity combining gain. In this work, first we examine an<br />analytically-derived solution for Maximum Combining Ratio (MRC) diversity technique for the capacity per<br />unit bandwidth

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15

Nordic, M., S. Giove, S. Lorenzi, P. Marchini, and E. Saporiti. "A New Approach to Blood Pressure and Blood Volume Modulation during Hemodialysis: An Adaptive Fuzzy Control Module." International Journal of Artificial Organs 18, no. 9 (1995): 513–17. http://dx.doi.org/10.1177/039139889501800907.

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The paper proposes a fuzzy logic based procedure able to control as far as possible the behaviour of the blood pressure of a patient during a dialysis session, allowing him to reach the foreseen dry weight. A PI discrete-time fuzzy control is used in order to compare the controlled variables concerning the (blood pressure and blood volume) to the reference values. Two different reference tables, concerning the pressure and volume errors and rates are introduced, then the proposed control actions are mixed in order to obtain the final value (net ultrafiltration rate). A smooth function of volem

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16

Martín González, Laura, Sjoerd van der Heide, Xuwei Xue, et al. "Programmable Adaptive BVT for Future Optical Metro Networks Adopting SOA-Based Switching Nodes." Photonics 5, no. 3 (2018): 24. http://dx.doi.org/10.3390/photonics5030024.

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Adaptive Sliceable-Bandwidth Variable Transceivers (S-BVTs) are key enablers for future optical networks. In particular, those based on Discrete MultiTone (DMT) modulation and Direct Detection (DD) can be considered a flexible solution suitable to address the cost efficiency requirement of optical metro networks. In this paper, we propose to use a cost-effective S-BVT option/implementation in optical metro networks adopting switching nodes based on Semiconductor Optical Amplifier (SOA) technology. Bit loading (BL) and power loading (PL) algorithms are applied to the Digital Signal Processing (

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17

Martín, González Laura, der Heide Sjoerd van, Xuwei Xue, et al. "Programmable Adaptive BVT for Future Optical Metro Networks adopting SOA-based Switching Nodes." Photonics, Special Issue on Lightwave Communications and Optical Networks (Invited) 5, no. 3 (2018): 24. https://doi.org/10.5281/zenodo.2540428.

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Adaptive Sliceable-Bandwidth Variable Transceivers (S-BVTs) are key enablers for future optical networks. In particular, those based on Discrete MultiTone (DMT) modulation and Direct Detection (DD) can be considered a flexible solution suitable to address the cost efficiency requirement of optical metro networks. In this paper, we propose to use a cost-effective S-BVT option/implementation in optical metro networks adopting switching nodes based on Semiconductor Optical Amplifier (SOA) technology. Bit loading (BL) and power loading (PL) algorithms are applied to the Digital Signal Processing (

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18

Yu, Xiangbin, Wenting Tan, Shu-Hung Leung, Yun Rui, Xin Yin, and Xiaoshuai Liu. "Discrete-rate adaptive modulation with optimum switching thresholds for space-time coded multiple-input multiple-output system with imperfect channel state information." IET Communications 7, no. 6 (2013): 521–30. http://dx.doi.org/10.1049/iet-com.2012.0611.

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19

Lin, Chin-Feng. "UFMC-Based Underwater Voice Transmission Scheme with LDPC Codes." Applied Sciences 11, no. 4 (2021): 1818. http://dx.doi.org/10.3390/app11041818.

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An underwater universal filtered multicarrier (UFMC)-based voice transmission scheme is proposed using a 512-point inverse discrete Fourier transform, utilizing 10 sub-bands, and that each had 20 subcarriers. In this proposed UFMC method, the adaptive modulation technologies with 4 quadrature amplitude modulation (QAM), 16-QAM, and low-density parity-check (LDPC) channel coding were integrated. Additionally, the bit error rate (BER), transmission power weighting, the ratios of power-saving, and underwater voice transmission performance with perfect channel estimation (PCE), and 5% and 10% chan

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20

Netzahualcoyotzi, Citlalli, Luis Miguel Rodríguez-Serrano, María Elena Chávez-Hernández, and Mario Humberto Buenrostro-Jáuregui. "Early Consumption of Cannabinoids: From Adult Neurogenesis to Behavior." International Journal of Molecular Sciences 22, no. 14 (2021): 7450. http://dx.doi.org/10.3390/ijms22147450.

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The endocannabinoid system (ECS) is a crucial modulatory system in which interest has been increasing, particularly regarding the regulation of behavior and neuroplasticity. The adolescent–young adulthood phase of development comprises a critical period in the maturation of the nervous system and the ECS. Neurogenesis occurs in discrete regions of the adult brain, and this process is linked to the modulation of some behaviors. Since marijuana (cannabis) is the most consumed illegal drug globally and the highest consumption rate is observed during adolescence, it is of particular importance to

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21

Gao, Xumin, Ting Yu, Tianshui Chang, et al. "Multi-Gb/s visible light communication based on AlGaInP amber micro-LED." Optics Express 32, no. 6 (2024): 10732. http://dx.doi.org/10.1364/oe.520892.

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Light-emitting diodes (LEDs), pivotal for solid-state illumination (SSL) and highly regarded as potential candidates in visible light communication (VLC) systems, have garnered significant interest as a solution to alleviate the congested radio frequency spectrum in next-generation communications. Addressing the challenge of extremely limited bandwidth due to the low response of phosphor in conventional illumination, our research focuses on an AlGaInP-based amber LED. This LED represents a promising avenue for phosphor-free, high-speed VLC applications when used in conjunction with the prevale

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22

Gao, Qiang. "Nonlinear Adaptive Control with Asymmetric Pressure Difference Compensation of a Hydraulic Pressure Servo System Using Two High Speed On/Off Valves." Machines 10, no. 1 (2022): 66. http://dx.doi.org/10.3390/machines10010066.

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A hydraulic pressure servo system based on two high-speed on/off valves (HSV) is a discontinuous system due to the discrete flow of HSV when driven by pulse width modulation (PWM) signal. Pressure variation in the testing chamber is determined by the flow rate difference between the charging and discharging HSV. In this paper, a pressure controller consisting of a differential PWM (DPWM) scheme, asymmetric pressure difference compensation (APDC) and nonlinear adaptive control (NAC) is proposed to precisely control the pressure. The DPWM scheme is designed to improve the resolution of the net f

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23

Bolkhovskaya, O., G. Ermolaev, S. Trushkov, and A. Maltsev. "Prototype of High-Speed Data Transmission Receiving and Transmitting Equipment in the 57‒64 GHz Frequency Range." Proceedings of Telecommunication Universities 9, no. 2 (2023): 23–39. http://dx.doi.org/10.31854/1813-324x-2023-9-2-23-39.

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The purpose of this work is to create and study the characteristics of a prototype of receiving and transmitting equipment operating in the millimeter wavelength range in high-speed data transmission networks. During the work, the task of developing and software implementation of digital signal processing algorithms was solved, the hardware part was developed and implemented, experimental measurements of characteristics and field tests of the prototype were carried out. Experimental studies have shown that the developed equipment transmits and receives signals in the frequency range 57‒64 GHz

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24

Bertaccini, Riccardo, Giuseppe Ippolito, Luca Tarasi, et al. "Rhythmic TMS as a Feasible Tool to Uncover the Oscillatory Signatures of Audiovisual Integration." Biomedicines 11, no. 6 (2023): 1746. http://dx.doi.org/10.3390/biomedicines11061746.

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Multisensory integration is quintessential to adaptive behavior, with clinical populations showing significant impairments in this domain, most notably hallucinatory reports. Interestingly, altered cross-modal interactions have also been reported in healthy individuals when engaged in tasks such as the Sound-Induced Flash-Illusion (SIFI). The temporal dynamics of the SIFI have been recently tied to the speed of occipital alpha rhythms (IAF), with faster oscillations entailing reduced temporal windows within which the illusion is experienced. In this regard, entrainment-based protocols have not

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25

Malenchyk, T. V., and S. Ya Zhuk. "Adaptive Detection of Signal of Moving Target in FMCW Radar with Unknown Noise Power." Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 96 (June 30, 2024): 32–41. https://doi.org/10.20535/radap.2024.96.32-41.

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One of the most promising ways of detecting moving targets at short distances is a FMCW radar. It provides: high-precision of range and radial velocity measurement and low power consumption. The source information for a target detection algorithm in the FMCW radar is the range-Doppler map. It is formed by two-dimensional discrete Fourier transformation (DFT) over the demodulated signals of the corresponding modulation periods obtained during the interval of coherent accumulation. In the case of homogeneous noise with unknown power, the usage of CFAR (constant false alarm rate) algorithms leads

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26

Teymourzadeh, Rozita. "Design an Advance computer-aided tool for Image Authentication and Classification." American Journal of Applied Sciences Published Online ISSN: 1546-9239 10, no. 7 (2013): 696–705. https://doi.org/10.3844/ajassp.2013.696.705.

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Over the years, advancements in the fields of digital image processing and artificial intelligence have been applied in solving many real-life problems. This could be seen in facial image recognition for security systems, identity registrations. Hence a bottleneck of identity registration is image processing. These are carried out in form of image preprocessing, image region extraction by cropping, feature extraction using Principal Component Analysis (PCA) and image compression using Discrete Cosine Transform (DCT). Other processing includes filtering and histogram equalization using contrast

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27

Yu, Xiangbin, Chenghong Yang, Shu-hung Leung, et al. "Discrete-Rate Adaptive Modulation Schemes for Uplink Massive MIMO Systems With Imperfect CSI." IEEE Transactions on Vehicular Technology, 2023, 1–15. http://dx.doi.org/10.1109/tvt.2023.3333330.

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28

"Performance Analysis of Adaptive MIMO Based OFDM using FFT and DWT." International Journal of Advanced Research in Science and Technology, 2015, 262–66. http://dx.doi.org/10.62226/ijarst20150196.

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In this paper we examine the performance of Discrete Wavelet Transform (DWT) based Multiple Input Multiple output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system using adaptive modulation and compare with DWT based MIMO OFDM system and Fast Fourier Transform (FFT) based MIMO OFDM system. Wavelet based OFDM has lot of advantages compare to the FFT based OFDM like there is no need of cyclic prefix, flexibility and optimal resolution. DWT with Haar mother constructed multi carrier in addition to the predictable OFDM is less than the consequence of taking multiple antennas scheme w

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29

Wu Xiao-Dong and Huang Duan. "Plug-and-play discrete modulation continuous variable quantum key distribution based on non-Gaussian state-discrimination detection." Acta Physica Sinica, 2023, 0. http://dx.doi.org/10.7498/aps.72.20222253.

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modulation continuous variable quantum key distribution can generate local oscillator light locally without using two independent lasers, and both signal light and local oscillator are generated from the same laser, which can effectively ensure the practical security of the system and have a good same frequency characteristic. In addition, this scheme has good compatibility with efficient error correction codes, and can achieve high reconciliation efficiency even at low signal-to-noise ratio. However, the plug-and-play configuration based on the untrusted source model exists large excess noise

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30

Labdaoui, Rym, Khalida Ghanem, and Fatiha Youcef Ettoumi. "A Hybrid Spatial Adaptive Modulation and Frequency Stochastic Approach for MU-MIMO-OFDM Systems in the Context of Underlay Cognitive Radios." Periodica Polytechnica Electrical Engineering and Computer Science, August 25, 2023. http://dx.doi.org/10.3311/ppee.21022.

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In this paper, low complexity rate and power optimization schemes operating in the spatial and frequency domains are proposed in a cognitive radio (CR) setting involving multi-user multiple-input-multiple-output-orthogonal frequency division multiplexing (MU-MIMO-OFDM). Under the assumption of a perfect secondary channel state information (CSI) at the receiver, the presented architectures encompass two main stages. In the first one, spatial power waterfilling-like method is performed per each MIMO subchannel pertaining to each subcarrier of each secondary user (SU). The resulting allocated pow

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31

Gümüş, Kadir, João dos Reis Frazão, Vincent van Vliet, et al. "Rate-adaptive Reconciliation for Experimental Continuous-variable Quantum Key Distribution with Discrete Modulation over a Free-space Optical Link." Journal of Lightwave Technology, 2025, 1–10. https://doi.org/10.1109/jlt.2025.3530005.

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