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Статті в журналах з теми "Closed communications"

Автор: Grafiati

Опубліковано: 8 вересня 2021

Оновлено: 7 лютого 2022

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1

Hui Liu and Guanghan Xu. "Closed-form blind symbol estimation in digital communications." IEEE Transactions on Signal Processing 43, no. 11 (1995): 2714–23. http://dx.doi.org/10.1109/78.482120.

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2

Dass, Bal Kishan, and Sapna Jain. "Low-density close-closed loop burst error detecting codes." Korean Journal of Computational & Applied Mathematics 9, no. 1 (January 2002): 231–38. http://dx.doi.org/10.1007/bf03012351.

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3

MIYANO, Takaya, Kazuhiro NISHIMURA, and Yusuke YOSHIDA. "Chaos-Based Communications Using Open-Plus-Closed-Loop Control." IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E94-A, no. 1 (2011): 282–89. http://dx.doi.org/10.1587/transfun.e94.a.282.

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4

Nakagawa, Yuta, Shingo Tanaka, Tatsuo Toba, Kenji Matsushita, and Hisashi Morishita. "Near-metal-insensitive antenna for closed space wireless communications." IEICE Communications Express 6, no. 11 (2017): 621–26. http://dx.doi.org/10.1587/comex.2017xbl0117.

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5

Vagarinho, Jorge, Sara Sardinha, and Ricardo Alves. "An Unusual Complication in Plastic Periodontal Surgery." Case Reports in Dentistry 2020 (November 28, 2020): 1–5. http://dx.doi.org/10.1155/2020/8824246.

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Анотація:

Introduction. Oroantral communications may arise as a result of pathological processes or iatrogenic situations, particularly in oral surgery and implantology, but are uncommon in periodontal plastic surgery. Case Presentation. A healthy 37-year-old female patient with 5 mm Miller Class II recession on the maxillary left second molar was referred for a root coverage procedure. While preparing the recipient bed for the graft, an oroantral communication was created. Schneiderian membrane was sutured to reduce the dimension of the communication and covered with a connective tissue graft. Finally, the flap was laterally and coronally moved, and the patient instructed about postoperative precautions. This procedure allowed to achieve a complete closure of the oroantral communication and good root coverage after an 8-month follow-up. Conclusions. Different authors described different techniques that can be used to close oroantral communications. Nevertheless, in this clinical case, it was shown that the oroantral communication may be closed without having to postpone the periodontal plastic surgery.

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6

García-Corrales, Celia, Francisco J. Cañete та José F. Paris. "Capacity ofκ-μShadowed Fading Channels". International Journal of Antennas and Propagation 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/975109.

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Анотація:

The ergodic capacity of fading channels modeled with aκ-μshadowed distribution is investigated to derive closed-form expressions. Theκ-μshadowed distribution is of particular interest because it contains, as special cases, other classical ones like one-side Gaussian, Rayleigh, Rician, Nakagami-m,κ-μ, and Rician shadowed distributions. The paper discusses the physical meaning of the distribution parameter variations and also their impact on the channel capacity. These results can be used to study the behavior of different channels like the ones in underwater acoustic communications, land mobile satellite systems, body centric communications, and other wireless communication applications. The analytical closed-form expression results are validated with numerical simulations.

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7

Saraereh, Omar A., Ashraf Ali, Imran Khan, and Khaled Rabie. "Interference Analysis for Vehicle-to-Vehicle Communications at 28 GHz." Electronics 9, no. 2 (February 5, 2020): 262. http://dx.doi.org/10.3390/electronics9020262.

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Анотація:

High capacity and ultra-reliable vehicular communication are going to be important aspects of beyond 5G communication networks. However, the vehicular communication problem becomes complex at a large scale when vehicles are roaming on the road, while simultaneously communicating with each other. Moreover, at higher frequencies (like 28 GHz), the dynamics of vehicular communication completely shift towards unpredictability and low-reliability. These factors may result in high packet error and a large amount of interference, resulting in regular disruptions in communications. A thorough understanding of performance variations is the key to moving towards the next generation of vehicular networks. With this intent, this article aims to provide a comprehensive interference analysis, wherein the closed-form expressions of packet error probability (PEP) and ergodic capacity are derived. Using the expression of the PEP, diversity analysis is provided which unveils the impact of channel nonlinearities on the performance of interference-constrained vehicular networks. The insights provided here are expected to pave the way for reliable and high capacity vehicular communication networks.

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8

Fahimi, Farbod. "Vision-Based CubeSat Closed-Loop Formation Control in Close Proximities." Nonlinear Engineering 8, no. 1 (January 28, 2019): 609–18. http://dx.doi.org/10.1515/nleng-2017-0147.

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Abstract A vision based formation and attitude controller has been derived and simulated for the formation keeping of two 3U CubeSats. Four markers are installed on the leader CubeSat. Two cameras are installed on the follower CubeSat. An efficient vision based pose estimation method is used to estimate the pose of the follower with respect to the leader. A Higher-Order Sliding Mode (HOSM) exact differentiator with finite-time convergence is derived to estimate the rate of the follower’s pose parameters. The follower’s pose and its time rate are fedback to HOSM formation and attitude controllers to correct any gradual drift in formation and pose of the follower. The simulations show the effectiveness of the approach, and its feasibility on existing hardware.

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9

Blankinship, E., B. Smith, H. Holtzman, and W. Bender. "Closed Caption, Open Source." BT Technology Journal 22, no. 4 (October 2004): 151–59. http://dx.doi.org/10.1023/b:bttj.0000047594.85806.c9.

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10

CHAN, H., and Ü. ÖZGÜNER. "Closed-loop control of systems over a communications network with queues." International Journal of Control 62, no. 3 (September 1995): 493–510. http://dx.doi.org/10.1080/00207179508921553.

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11

Tatti, Nikolaj, and Boris Cule. "Mining closed strict episodes." Data Mining and Knowledge Discovery 25, no. 1 (September 1, 2011): 34–66. http://dx.doi.org/10.1007/s10618-011-0232-z.

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12

Kim, Donghyun. "Performance of UWB Wireless Telecommunication Positioning for Disaster Relief Communication Environment Securing." Sustainability 10, no. 11 (October 24, 2018): 3857. http://dx.doi.org/10.3390/su10113857.

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Анотація:

When an earthquake or a large fire has occurred, it is difficult to secure communication networks for rescue in the building due to the destruction of commercial communication networks. Although analog radio systems such as VHF (Very High Frequency) and UHF (Ultra-High Frequency) are used for rescue operation in general, communication failure occurs in closed spaces, causing difficulties in smooth rescue operations. When the communication infrastructures have been destroyed in a building in the disaster, an emergency wireless telecommunication environment should be constructed to secure a safer disaster response environment. In this study, along with comparison of the performances of diverse communication frequencies, UWB (Ultra-Wide Band) wireless telecommunication networks were evaluated under five building indoor environment conditions including open spaces. UWB communication modules were fabricated to satisfy the IEEE (The Institute of Electrical and Electronics Engineers) 802.15.4a standard performance to measure distances in which communications are possible according to the indoor environment for each of six channels with different UWB communication frequencies. The results indicated that the distances in which communications are possible for each the six channels were average 15.5 m, maximum 20 m in open spaces; average 17.33 m, maximum 20 m in corridors; average 15.3 m, maximum 20 m in indoor office environments with office fixtures; average 4.33 m, maximum 6 m in vertical spaces of stairs; and average 6.5 m, maximum 17 m in closed horizontal spaces with a fire door. In this case, the communication performance and distance performance were shown to be the most excellent at a frequency (Centre Frequency) of 6489.6 and a band of 5980.3–6998.9 MHz, which is UWB 7ch. In conclusion, it is judged that if UWB communication modules are installed in the disaster area at intervals of 20 m and multi-channels are used, communication environments can be constructed even in closed spaces.

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13

Lee, Jong-Ho, and Jiho Song. "Full-Duplex Relay for Millimeter Wave Vehicular Platoon Communications." Sensors 20, no. 21 (October 26, 2020): 6072. http://dx.doi.org/10.3390/s20216072.

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The safety and consistency of platoon-based driving are guaranteed via reliable communication between vehicles in a platoon. In this paper, we propose to exploit a full-duplex (FD) relay vehicle for millimeter-wave vehicular communications in platoon-based driving. Considering that a lead vehicle broadcasts information to all vehicles in a platoon, we consider two power allocation problems—maximizing broadcast information rates with a power constraint and minimizing power consumption with a quality-of-service constraint. In particular, for a four-vehicle platoon communication, we derive closed-form solutions for optimal power allocation and present numerical results to verify the performance of the proposed FD relay vehicles.

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14

Mcguiness, Daniel Tunc, Stamatios Giannoukos, Stephen Taylor, and Alan Marshall. "Experimental and Analytical Analysis of Macro-Scale Molecular Communications Within Closed Boundaries." IEEE Transactions on Molecular, Biological and Multi-Scale Communications 5, no. 1 (October 2019): 44–55. http://dx.doi.org/10.1109/tmbmc.2019.2955094.

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15

Zhang, Lu, and Zhiyong Wu. "Closed-form suboptimal maximum-likelihood sequence detection for free-space optical communications." Applied Optics 51, no. 27 (September 11, 2012): 6441. http://dx.doi.org/10.1364/ao.51.006441.

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16

Kim, Sung-Man. "Limit of Operating Frequencies in Mobile Communications Based on Closed-Loop MIMO." Journal of Korean Institute of Communications and Information Sciences 43, no. 10 (October 31, 2018): 1571–75. http://dx.doi.org/10.7840/kics.2018.43.10.1571.

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17

Dunsmuir, Martin R. M. "CLOSED-LOOP COMMAND AND RESPONSE SYSTEM FOR AUTOMATIC COMMUNICATIONS BETWEEN INTERACTING COMPUTER SYSTEMS OVER AN AUDIO COMMUNICATIONS CHANNEL." Journal of the Acoustical Society of America 131, no. 4 (2012): 3203. http://dx.doi.org/10.1121/1.4707516.

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18

Dixit, Saurabh, and Himanshu Katiyar. "OFDM for 4G Wireless Communications." International Journal of Interdisciplinary Telecommunications and Networking 10, no. 1 (January 2018): 63–84. http://dx.doi.org/10.4018/ijitn.2018010105.

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Orthogonal frequency division multiplexing(OFDM) is the multiple access scheme for the fourth generation(4G) wireless communications. This paper analyzes the performance of OFDM through the Bit Error Rate(BER), Outage Probability, and ergodic capacity with flat delay profile as well as linearly increasing power decay factor. The probability density function(PDF) obtained in a Rayleigh fading channel is used to derive a closed-form expression for the outage probability, error rates and ergodic capacity of OFDM signals. The exact error rate values are similar to those obtained from simulation results. The performance improves with more number of channel taps

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19

Gimmler-Dumont, Christina, Frank Kienle, Bin Wu, and Guido Masera. "A System View on Iterative MIMO Detection: Dynamic Sphere Detection versus Fixed Effort List Detection." VLSI Design 2012 (April 22, 2012): 1–14. http://dx.doi.org/10.1155/2012/826350.

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Multiple-antenna systems are a promising approach to increase the data rate of wireless communication systems. One efficient possibility is spatial multiplexing of the transmitted symbols over several antennas. Many different MIMO detector algorithms exist for this spatial multiplexing. The major difference between different MIMO detectors is the resulting communications performance and implementation complexity, respectively. Particularly closed-loop MIMO systems have attained a lot of attention in the last years. In a closed-loop system, reliability information is fed back from the channel decoder to the MIMO detector. In this paper, we derive a basic framework to compare different soft-input soft-output MIMO detectors in open- and closed-loop systems. Within this framework, we analyze a depth-first sphere detector and a breadth-first fixed effort detector for different application scenarios and their effects on area and energy efficiency on the whole system. We present all system components under open- and closed-loop system aspects and determine the overall implementation cost for changing an open-loop system in a closed-loop system.

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20

Neacsu, Cristina, and Karen Daniels. "Translational Covering of Closed Planar Cubic B-Spline Curves." Computer Graphics Forum 25, no. 4 (December 2006): 743–57. http://dx.doi.org/10.1111/j.1467-8659.2006.00996.x.

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21

Dwan, Berni. "Open source vs closed." Network Security 2004, no. 5 (May 2004): 11–13. http://dx.doi.org/10.1016/s1353-4858(04)00080-7.

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22

Klapuri, Harri, Jarmo Takala, and Jukka Saarinen. "Implementing reactive closed-system specifications." Journal of Network and Computer Applications 24, no. 2 (April 2001): 101–23. http://dx.doi.org/10.1006/jnca.2000.0127.

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23

Altman, Eitan, and Philippe Nain. "Closed-loop control with delayed information." ACM SIGMETRICS Performance Evaluation Review 20, no. 1 (June 1992): 193–204. http://dx.doi.org/10.1145/149439.133106.

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24

Yuan, Renzhi, and Julian Cheng. "Closed-Form Density Matrices of Free-Space Optical Quantum Communications in Turbulent Channels." IEEE Communications Letters 24, no. 5 (May 2020): 1072–76. http://dx.doi.org/10.1109/lcomm.2020.2974735.

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25

Caccese, Michael S., Clair Pagnano, Eden Rohrer, and Xiomara Corral. "FINRA issues interpretive guidance on related performance in institutional communications." Journal of Investment Compliance 18, no. 4 (November 6, 2017): 36–39. http://dx.doi.org/10.1108/joic-08-2017-0058.

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Анотація:

Purpose To analyze the June 9, 2017 Financial Industry Regulatory Authority, Inc. (“FINRA”) interpretive letter permitting the use of Related Performance Information in continuously offered closed-end registered investment company sales materials distributed solely to institutional investors. Design/methodology/approach Provides background, including the application of FINRA Rule 2210, and explains the conditions under which fund marketing materials may contain Related Performance Information. Findings While the interpretive letter will not result in a fundamental shift in the Industry’s approach to providing Related Performance Information of open- and closed-end funds to institutional investors, it also represents FINRA’s ongoing recognition that communications provided solely to institutional investors do not raise the same investor protection concerns as communications provided to retail investors. Originality/value Expert guidance from experienced investment management and investment fund lawyers.

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26

Geoffroy, Pierre A., Julie Delyon, Marion Strullu, Alexy Tran Dinh, Henri Duboc, Lara Zafrani, Isabelle Etienne, et al. "Standardized Patients or Conventional Lecture for Teaching Communication Skills to Undergraduate Medical Students: A Randomized Controlled Study." Psychiatry Investigation 17, no. 4 (April 15, 2020): 299–305. http://dx.doi.org/10.30773/pi.2019.0258.

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Анотація:

Objective The conduct of a medical interview is a challenging skill, even for the most qualified physicians. Since a training is needed to acquire the necessary skills to conduct an interview with a patient, we compared role-play with standardized patients (SP) training and a conventional lecture for the acquisition of communications skills in undergraduate medical students.Methods An entire promotion of third year undergraduate medical students, who never received any lessons about communications skills, were randomized into 4 arms: 1) SP 2 months before the testing of medical communications skills (SP); 2) conventional lecture 2 months before the testing (CL); 3) two control groups (CG) without any intervention, tested either at the beginning of the study or two months later. Students were blindly assessed by trained physicians with a modified 17-items Calgary-Cambridge scale.Results 388 students (98.7%) participated. SP performed better than CL, with significant statistical differences regarding 5 skills: the use of open and closed questions, encouraging patient responses, inviting the patient to clarify the missing items, encouraging of the patient’s emotions, and managing the time and the conduct of the interview. The SP group specifically improved communications skills between the SP training and testing sessions regarding 2 skills: the use of open and closed questions and encouraging patient responses. No improvements in communications skills were observed in CG between the two time points, ruling out a possible time effect.Conclusion Role-play with standardized patients appears more efficient than conventional lecture to acquire communication skills in undergraduate medical students.

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27

Cho, Sunghyun, Insoo Hwang, Vahid Tarokh, and Cheolwoo You. "A practical transmit beamforming strategy for closed-loop MIMO communication." International Journal of Communication Systems 25, no. 8 (July 31, 2011): 1091–99. http://dx.doi.org/10.1002/dac.1310.

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28

Panida Songram. "Efficient Ming of Top-K Closed Sequences." Journal of Convergence Information Technology 5, no. 5 (July 31, 2010): 170–78. http://dx.doi.org/10.4156/jcit.vol5.issue5.19.

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29

Banerjee, Siddhartha, Yash Kanoria, and Pengyu Qian. "State Dependent Control of Closed Queueing Networks." ACM SIGMETRICS Performance Evaluation Review 46, no. 1 (January 17, 2019): 2–4. http://dx.doi.org/10.1145/3292040.3219619.

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30

Squillante, Mark S., and Yash Kanoria. "State Dependent Control of Closed Queueing Networks." ACM SIGMETRICS Performance Evaluation Review 46, no. 1 (January 17, 2019): 2–4. http://dx.doi.org/10.1145/3308809.3308813.

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31

Beigel, R., N. Reingold, and D. Spielman. "PP Is Closed under Intersection." Journal of Computer and System Sciences 50, no. 2 (April 1995): 191–202. http://dx.doi.org/10.1006/jcss.1995.1017.

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32

Khalid, Waqas, Heejung Yu, and Song Noh. "Residual Energy Analysis in Cognitive Radios with Energy Harvesting UAV under Reliability and Secrecy Constraints." Sensors 20, no. 10 (May 25, 2020): 2998. http://dx.doi.org/10.3390/s20102998.

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The integration of unmanned aerial vehicles (UAVs) with a cognitive radio (CR) technology can improve the spectrum utilization. However, UAV network services demand reliable and secure communications, along with energy efficiency to prolong battery life. We consider an energy harvesting UAV (e.g., surveillance drone) flying periodically in a circular track around a ground-mounted primary transmitter. The UAV, with limited-energy budget, harvests radio frequency energy and uses the primary spectrum band opportunistically. To obtain intuitive insight into the performance of energy-harvesting, and reliable and secure communications, the closed-form expressions of the residual energy, connection outage probability, and secrecy outage probability, respectively, are analytically derived. We construct the optimization problems of residual energy with reliable and secure communications, under scenarios without and with an eavesdropper, respectively, and the analytical solutions are obtained with the approximation of perfect sensing. The numerical simulations verify the analytical results and identify the requirements of length of sensing phase and transmit power for the maximum residual energy in both reliable and secure communication scenarios. Additionally, it is shown that the residual energy in secure communication is lower than that in reliable communication.

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33

Soriano, M. C., P. Colet, and C. R. Mirasso. "Security Implications of Open- and Closed-Loop Receivers in All-Optical Chaos-Based Communications." IEEE Photonics Technology Letters 21, no. 7 (April 2009): 426–28. http://dx.doi.org/10.1109/lpt.2009.2013186.

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34

Balsells, José M. Garrido, Francisco J. López-González, Antonio Jurado-Navas, Miguel Castillo-Vázquez, and Antonio Puerta Notario. "General closed-form bit-error rate expressions for coded M-distributed atmospheric optical communications." Optics Letters 40, no. 13 (June 16, 2015): 2937. http://dx.doi.org/10.1364/ol.40.002937.

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35

Corradini, Flavio, and Marco Pistore. "‘Closed Interval Process Algebra’ versus ‘Interval Process Algebra’." Acta Informatica 37, no. 7 (March 2001): 467–509. http://dx.doi.org/10.1007/pl00013313.

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36

Cheng, William C., and Richard R. Muntz. "Optimal routing for closed queueing networks." Performance Evaluation 13, no. 1 (September 1991): 3–15. http://dx.doi.org/10.1016/0166-5316(91)90058-b.

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37

Jervase, Joseph A., and Hadj Bourdoucen. "Design of Ultra Fast RCE Photodetectors for Optical Communications systems." Sultan Qaboos University Journal for Science [SQUJS] 7, no. 1 (June 1, 2002): 101. http://dx.doi.org/10.24200/squjs.vol7iss1pp101-107.

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Анотація:

Two key parameters for RCE photodetectors that govern their suitability for ultrafast optical communication systems are considered. These are the quantum efficiency and the bandwidth efficiency product. A closed analytical form has been derived for quantum efficiency, which incorporates the structural parameters of the photodetector. Based on the simulation results, an optimization and design procedure for these photodetectors has been developed.

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38

van Minnen, B., B. Stegenga, J. Zuidema, C. E. Hissink, M. B. M. van Leeuwen, T. G. van Kooten, and R. R. M. Bos. "An animal model for oroantral communications: a pilot study with Göttingen minipigs." Laboratory Animals 39, no. 3 (July 1, 2005): 280–83. http://dx.doi.org/10.1258/0023677054306953.

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Анотація:

A pilot study was performed to investigate whether the Göttingen minipig is a suitable animal model for creating and closing oroantral communications (OACs) and to test whether these defects can be closed with a biodegradable polyurethane (PU) foam. In three adult minipigs, an OAC was created on both sides of the maxilla. The left side was closed by a standard surgical buccal flap procedure, the right side by applying a PU foam. The pigs were killed after two weeks, one month and three months, respectively. Postmortem and histological examination showed that an OAC was created in only one of six cases. In the remaining cases, the infraorbital canal was perforated instead of the floor of the maxillary sinus. It was concluded that the Göttingen minipig is not a suitable animal model for OAC investigations. As a result, the closure of OACs with a biodegradable PU could not be evaluated.

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39

Fakhraie, S. M., H. Farshbaf, and K. C. Smith. "Scalable Closed-Boundary Analog Neural Networks." IEEE Transactions on Neural Networks 15, no. 2 (March 2004): 492–504. http://dx.doi.org/10.1109/tnn.2004.824415.

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40

Ebine, Yoshio, and Kenichi Kagoshima. "Multifrequency dipole antenna with closed-spaced parasitic elements." Electronics and Communications in Japan (Part I: Communications) 72, no. 10 (October 1989): 52–58. http://dx.doi.org/10.1002/ecja.4410721006.

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41

Varki, Elizabeth. "Mean value technique for closed fork-join networks." ACM SIGMETRICS Performance Evaluation Review 27, no. 1 (June 1999): 103–12. http://dx.doi.org/10.1145/301464.301484.

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42

Bhaskar, Vidhyacharan. "A closed queuing network model with multiple servers for multi-threaded architecture." Computer Communications 31, no. 14 (September 2008): 3078–89. http://dx.doi.org/10.1016/j.comcom.2008.04.008.

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43

LIEBOVITCH, LARRY S., and ANGELO T. TODOROV. "WHAT CAUSES ION CHANNEL PROTEINS TO FLUCTUATE OPEN AND CLOSED?" International Journal of Neural Systems 07, no. 04 (September 1996): 321–31. http://dx.doi.org/10.1142/s0129065796000282.

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Ion channels in the cell membrane spontaneously switch from states that are closed to the flow of ions such as sodium, potassium, and chloride to states that are open to the flow of these ions. The durations of times that an individual ion channel protein spends in the closed and open states can be measured by the patch clamp technique. We explore two basic issues about the molecular properties of ion channels: 1) If the switching between the closed and open state is an inherently random event, what does the patch clamp data tell us about the structure or motions in the ion channel protein? 2) Is this switching random?

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44

Mrozek, Marian. "Transitively reduced and transitively closed event networks." Networks 19, no. 1 (January 1989): 47–72. http://dx.doi.org/10.1002/net.3230190105.

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45

Dalay, BS, and RM Parkin. "A microcontroller for closed-loop motion control." Microprocessors and Microsystems 15, no. 9 (November 1991): 473–80. http://dx.doi.org/10.1016/0141-9331(91)90003-x.

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46

Ding, Fei, Xiaojun Sun, Xiaojin Ding, Ruoyu Su, Dengyin Zhang, and Hongbo Zhu. "Security-aware dual-hop communication for amplify-and-forward relay networks." International Journal of Distributed Sensor Networks 15, no. 9 (September 2019): 155014771987807. http://dx.doi.org/10.1177/1550147719878079.

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Анотація:

The authentication scheme for vehicular ad hoc networks aims to improve the security and integrity of message delivery. The base station manages a large number of vehicular nodes, so the security communications are non-trivial. In this article, we propose an amplify-and-forward strategy for a dual-hop cooperative network in order to improve secure communications for vehicular ad hoc networks. We assume that each vehicular node equipped with a single antenna and derive closed-form expressions for the secure communication rate calculation. Moreover, we propose a cooperative strategy by jointly considering average power scaling and instantaneous power scaling, which are proved to be able to achieve information security. The simulation result shows that the proposed scheme can achieve better performance in scenarios with different signal-to-noise ratio.

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47

Shenyuan Ren, Wei Song, and Min Zhu. "Mining Frequent Closed Itemsets over Data Streams Using TranDigraph." Journal of Convergence Information Technology 8, no. 4 (February 28, 2013): 472–80. http://dx.doi.org/10.4156/jcit.vol8.issue4.55.

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48

Fu, Hong Shuang, Yi Jun Zhu, and Wen Bing Cai. "Optimal Power Allocation in SM-OFDM System Based on Visible Light Communications." Applied Mechanics and Materials 513-517 (February 2014): 3429–33. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.3429.

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Анотація:

Spatial Modulation is a kind of spatial multiplexing schemes conveying information by the location of transmit antennas and spatial modulation (SM) along with OFDM can be applied to visible light communications for higher data rates. The closed form of symbol error rate (SER) in optical SM-OFDM communication system is derived in this paper. SER is a convex function of power allocation coefficients, therefore there exist optimal allocation coefficients minimizing SER. The optimal allocation coefficients are derived for different channels and numbers of transmit antennas. Analytical results are validated by Monte Carlo simulation results and these results show that a significant SER improvement is obtained by using the power allocation. In addition, the optimal allocation coefficients are affected by the channel and number of transmitters.

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49

Polajzer, Bostjan, Matej Pintaric, Miran Roser, and Gorazd Stumberger. "Protection of MV Closed-Loop Distribution Networks With Bi-Directional Overcurrent Relays and GOOSE Communications." IEEE Access 7 (2019): 165884–96. http://dx.doi.org/10.1109/access.2019.2952934.

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50

Popovski, K., T. A. Wysocki, and B. J. Wysocki. "A closed-form derivation of self and multi-user interference for time-reversed UWB communications." Computers & Electrical Engineering 36, no. 4 (July 2010): 775–88. http://dx.doi.org/10.1016/j.compeleceng.2008.11.013.

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