Academic literature on the topic 'Length of queue'

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Journal articles on the topic "Length of queue"

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Raj Jhunjhunwala, Prakirt, and Siva Theja Maguluri. "Heavy Traffic Joint Queue Length Distribution withoutResource Pooling." ACM SIGMETRICS Performance Evaluation Review 51, no. 4 (2024): 16–17. http://dx.doi.org/10.1145/3649477.3649487.

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This paper studies the Heavy Traffic (HT) joint distribution of queue lengths in an Input-queued switch (IQ switch) operating under the MaxWeight scheduling policy. IQ switchserve as representative of SPNs that do not satisfy the socalled Complete Resource Pooling (CRP) condition, and consequently exhibit a multidimensional State Space Collapse (SSC). Except in special cases, only mean queue lengths of such non-CRP systems is known in the literature. In this paper, we develop the Transform method to study the joint distribution of queue lengths in non-CRP systems. The key challenge is in solvi
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Jhunjhunwala, Prakirt Raj, and Siva Theja Maguluri. "Heavy Traffic Queue Length Distribution without Resource Pooling in an Input-Queued Switch." ACM SIGMETRICS Performance Evaluation Review 50, no. 4 (2023): 26–28. http://dx.doi.org/10.1145/3595244.3595254.

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This paper studies the heavy-traffic joint distribution of queue lengths of an input-queued switch operating under the MaxWeight scheduling policy. Input-queued switch acts as a representative of SPNs that do not satisfy the so-called complete resource pooling (CRP) condition, and consequently exhibit a multidimensional state space collapse. Except in special cases, only mean queue lengths of such non-CRP systems have been obtained in the literature. In this paper, we develop the transform method to study the steady state distribution of non-CRP systems. The key challenge is in solving an impl
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Long, Gary. "Start-Up Delays of Queued Vehicles." Transportation Research Record: Journal of the Transportation Research Board 1934, no. 1 (2005): 125–31. http://dx.doi.org/10.1177/0361198105193400113.

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Start-up delays of queued vehicles have been studied in past research for evaluation of their impacts on saturation flow rates at downstream traffic signals. A more crucial issue, however, can be the effect of start-up delays of queued vehicles at upstream locations where queued vehicles back up from a traffic signal across a railroad crossing. The relationship between queue start-up delays and track clearance times is important in establishing traffic signal preemption settings. This paper presents models that are developed for prediction of the expected maximum time required to mobilize a qu
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Prahara, Eduardi, and Rio Dandy Arsyad. "Lane Reduction and Queue Length Relationship on Arterial and Collector Roads." IOP Conference Series: Earth and Environmental Science 1324, no. 1 (2024): 012008. http://dx.doi.org/10.1088/1755-1315/1324/1/012008.

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Abstract Geometric diversity of roads for an example is the narrowing of road segments. The purpose of this research is to determine whether lane reduction leads to significant queue lengths, observe the behaviour of drivers on those road segments, and compare the actual queue length to the queue length generated by PTV Vissim. The data used in this study consists of direct observations during peak hours in the morning, afternoon, and evening, along with simulations using PTV Vissim. The queue results obtained from PTV Vissim were validated using two types of tests. The research findings indic
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Deng, Yonglu, and Jiqing Tan. "Priority queueing model with changeover times and switching threshold." Journal of Applied Probability 38, A (2001): 263–73. http://dx.doi.org/10.1239/jap/1085496608.

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The paper studies a single-server two-queue priority system with changeover times and switching threshold. The server serves queue 1 exhaustively and does not remain at an empty queue if the other one is non-empty. It immediately switches from queue 2 to queue 1 when the length of the latter reaches some level M. Whenever service is changed from one queue to the other a changeover time is required. Arrivals are Poisson, service times and changeover times are independent and exponentially distributed. Using an analytic method we obtain the steady-state joint probability generating function of t
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Deng, Yonglu, and Jiqing Tan. "Priority queueing model with changeover times and switching threshold." Journal of Applied Probability 38, A (2001): 263–73. http://dx.doi.org/10.1017/s0021900200112847.

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The paper studies a single-server two-queue priority system with changeover times and switching threshold. The server serves queue 1 exhaustively and does not remain at an empty queue if the other one is non-empty. It immediately switches from queue 2 to queue 1 when the length of the latter reaches some level M. Whenever service is changed from one queue to the other a changeover time is required. Arrivals are Poisson, service times and changeover times are independent and exponentially distributed. Using an analytic method we obtain the steady-state joint probability generating function of t
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Boon, M. A. A., and E. M. M. Winands. "HEAVY-TRAFFIC ANALYSIS OF K-LIMITED POLLING SYSTEMS." Probability in the Engineering and Informational Sciences 28, no. 4 (2014): 451–71. http://dx.doi.org/10.1017/s0269964814000096.

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In this paper, we study a two-queue polling model with zero switchover times and k-limited service (serve at most ki customers during one visit period to queue i, i=1, 2) in each queue. The arrival processes at the two queues are Poisson, and the service times are exponentially distributed. By increasing the arrival intensities until one of the queues becomes critically loaded, we derive exact heavy-traffic limits for the joint queue-length distribution using a singular-perturbation technique. It turns out that the number of customers in the stable queue has the same distribution as the number
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Daines, Tanner J., Grant G. Schultz, and Gregory S. Macfarlane. "Evaluating Real Time Ramp Meter Queue Length and Wait Time Estimation." Future Transportation 2, no. 4 (2022): 807–27. http://dx.doi.org/10.3390/futuretransp2040045.

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Models to predict ramp meter queue length from traffic detector data are potentially useful tools in improving traffic operations and safety. Existing research, however, has been based on microscopic simulation or relied on extensive calibration of Kalman filter and related models to produce reliable queue length estimates. This research seeks to develop methodologies for improving and simplifying the calibration process of existing queue length models by applying loop detector data including volume, occupancy, and the metering rate data for ramp meters along I-15 in Utah. A conservation model
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Flatto, Leopold. "The Longer Queue Model." Probability in the Engineering and Informational Sciences 3, no. 4 (1989): 537–59. http://dx.doi.org/10.1017/s0269964800001376.

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Two queues forming two independent Poisson processes are served by one server with exponential service time. The server always works on the longer queue and, in case that they are of equal length, chooses either one with probability ½. Let πij be the probability that the two queue lengths equal i andj at equilibrium and π(z, w) = ∑πi j Ziwj. We determine π(z, w) and derive from this asymptotic formulas forπij as i, j → ∞. These asymptotic formulas are used to study the interdependence of the queue lengths. In particular, we obtain limit laws for the queue lengths conditioned on each other.
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Qu, Wenrui, Tao Tao, Bo Xie, and Yi Qi. "A State-Dependent Approximation Method for Estimating Truck Queue Length at Marine Terminals." Sustainability 13, no. 5 (2021): 2917. http://dx.doi.org/10.3390/su13052917.

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As international trade and freight volumes increase, there is a growing port congestion problem, leading to the long truck queues at US marine terminal gates. To address this problem, some countermeasures have been proposed and implemented for reducing truck queue length at marine terminals. To assess the effectiveness of these countermeasures, a method for accurately estimating terminal gate truck queue length is needed. This study developed a new method, named the state-dependent approximation method, for estimating the truck queue length at marine terminals. Based on the simulation of the t
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Dissertations / Theses on the topic "Length of queue"

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Hall, Susan A., and Richard C. 1943 Larson. "Using Partial Queue-Length Information to Improve the Queue Inference Engine's Performance." Massachusetts Institute of Technology, Operations Research Center, 1991. http://hdl.handle.net/1721.1/5222.

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The Queue Inference Engine (QIE) uses queue departure time data over a single congestion period to infer queue statistics. With partial queue-length information, the queue statistics become more accurate and the computational burden is reduced. We first consider the case in which we are given that the queue length never exceeded a given length L. We then consider the more general case in which we are given the times of all L-to-(L + 1) and (L + 1)-to-L queue-length transitions. We present algorithms, parallel to the QIE algorithms,for deriving the queue statistics under the new conditioning in
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Jagannathan, Krishna Prasanna. "Asymptotic performance of queue length based network control policies." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62419.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 199-204).<br>In a communication network, asymptotic quality of service metrics specify the probability that the delay or buffer occupancy becomes large. An understanding of these metrics is essential for providing worst-case delay guarantees, provisioning buffer sizes in networks, and to estimate the frequency of packet-drops due to buffer overflow. Second, many network control tasks utilize queue
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Yamani, Jana H. (Jana Hashim). "Approximation of the transient joint queue-length distribution in tandem networks." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/85470.

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Thesis: S.M., Massachusetts Institute of Technology, Computation for Design and Optimization Program, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 95-97).<br>This work considers an urban traffic network, and represents it as a Markovian queueing network. This work proposes an analytical approximation of the time-dependent joint queue-length distribution of the network. The challenge is to provide an accurate analytical description of between and within queue (i.e. link) dynamics, while deriving a tractable approach. In order to achieve this, we u
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Nikolaros, Ilias G. "Cross-layer design for OFDMA wireless networks with finite queue length based on game theory." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/10818.

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In next generation wireless networks such as 4G- LTE and WiMax, the demand for high data rates, the scarcity of wireless resources and the time varying channel conditions has led to the adoption of more sophisticated and robust techniques in PHY such as orthogonal frequency division multiplexing (OFDM) and the corresponding access technique known as orthogonal frequency division multiplexing access (OFDMA). Cross-layer schedulers have been developed in order to describe the procedure of resource allocation in OFDMA wireless networks. The resource allocation in OFDMA wireless networks has recei
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Bhattacharja, Bonane. "A better numerical approach for finding the steady-state waiting time and the average queue length of a system for the arithmetic GI/G/1 queue." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/39784.

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In this research, an efficient numerical method is developed to determine the steady-state waiting time distribution of a GI/G/1 queue by solving the discrete-time version of Lindley’s equation, when the queue is bounded on a finite interval. Then, by using Little’s Formula, we calculate the stationary distribution for the total number of customers in the queue. The derivations are based on the Wiener-Hopf factorization of random walks. The method is carried out using a successive approximation method, by improving the weighted average. Finally, to prove the effectiveness of our method, we app
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Iwanowicz, Damian. "Model procesu powstawania i zmienności długości kolejki pojazdów na wlotach skrzyżowań z sygnalizacją świetlną." Rozprawa doktorska, Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy, 2018. http://dlibra.utp.edu.pl/Content/1178.

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W rozprawie doktorskiej przedstawiono najważniejsze z punktu widzenia praktycznego modele matematyczne, odnoszące się między innymi do długości kolejki pozostającej oraz do maksymalnego zasięgu kolejki pojazdów - dla dowolnie przyjętego okresu analizy. Zostały one opracowane na podstawie badań ruchu<br>The following dissertation presents the most important mathematical models from the practical point of view, relating to, inter alia, the length of the remaining queue, as well as the maximum vehicle queue reach, for any assumed analysis period. They were elaborated based on traffic research
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Shah, Neelkamal P. "Entropy Maximisation and Queues With or Without Balking. An investigation into the impact of generalised maximum entropy solutions on the study of queues with or without arrival balking and their applications to congestion management in communication networks." Thesis, University of Bradford, 2014. http://hdl.handle.net/10454/7500.

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An investigation into the impact of generalised maximum entropy solutions on the study of queues with or without arrival balking and their applications to congestion management in communication networks Keywords: Queues, Balking, Maximum Entropy (ME) Principle, Global Balance (GB), Queue Length Distribution (QLD), Generalised Geometric (GGeo), Generalised Exponential (GE), Generalised Discrete Half Normal (GdHN), Congestion Management, Packet Dropping Policy (PDP) Generalisations to links between discrete least biased (i.e. maximum entropy (ME)) distribution inferences and Markov chains are
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Shah, Neelkamal Paresh. "Entropy maximisation and queues with or without balking : an investigation into the impact of generalised maximum entropy solutions on the study of queues with or without arrival balking and their applications to congestion management in communication networks." Thesis, University of Bradford, 2014. http://hdl.handle.net/10454/7500.

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An investigation into the impact of generalised maximum entropy solutions on the study of queues with or without arrival balking and their applications to congestion management in communication networks Keywords: Queues, Balking, Maximum Entropy (ME) Principle, Global Balance (GB), Queue Length Distribution (QLD), Generalised Geometric (GGeo), Generalised Exponential (GE), Generalised Discrete Half Normal (GdHN), Congestion Management, Packet Dropping Policy (PDP) Generalisations to links between discrete least biased (i.e. maximum entropy (ME)) distribution inferences and Markov chains are co
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Shawaly, El-Sayed Abdel-Azim. "Queue lengths and delays at oversaturated traffic signal-controlled intersections." Thesis, University of Sheffield, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327891.

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Xu, Ling. "Planning simulation run length in packet queues in communications networks." Thesis, Queen Mary, University of London, 2013. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8712.

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Simulation is a technique of growing importance and is becoming an indispensable tool applied in various academic industries, including packet networks. Simulation provides an alternative research approach to implementing a real environment, owing to its features of scalability, exibility and ease of setup. However, simulating large-scale networks can be very time and resource consuming. It can take several days to run one long simulation experiment, which may be expensive or even unaffordable. Therefore, planning simulation is important. This research proposes to plan simulation run length th
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Books on the topic "Length of queue"

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Percus, O. E. Models for queue length in clocked queueing networks. Courant Institute of Mathematical Sciences, New York University, 1989.

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Percus, O. E. Queue length distributions in a Markov model of a multistage clocked queueing network. Courant Institute of Mathematical Sciences, New York University, 1989.

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O'Connell, Neil. Queue lengths and departures at single-server resources. Hewlett Packard, 1996.

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O'Connell, Neil. Large deviations for queue lengths at a multi-buffered resource. Hewlett Packard, 1996.

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Mohamad, Majdi. Roundabouts: Its capacity, queue length and delay. 1987.

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Borck, Cornelius, ed. Hans Blumenberg beobachtet. Verlag Karl Alber, 2013. http://dx.doi.org/10.5771/9783495998540.

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Seit Wissenschaftsgeschichte weniger die Fortschritte fachlicher Theorien als vielmehr Brüche und Transformationen des Wissens im Kontext seiner kulturellen und medientechnischen Einbettung ins Zentrum ihrer Rekonstruktionen stellt, kommen sich Geschichte und Philosophie in die Quere, weil die Logik der Erkenntnis in Wissenschaft und Technik nicht länger die Richtung weist. Dieser Dynamik galt auch Hans Blumenbergs Mobilisierung der Geschichte menschlichen Denkens. Aber welche Spannung im Wettstreit von Philosophie und Geschichte erzeugt sein Denken - vor allem wenn dabei zusammen mit der Tech
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Book chapters on the topic "Length of queue"

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Jakobi, Sebastian, Katja Meckel, Carlo Mereghetti, and Beatrice Palano. "Queue Automata of Constant Length." In Descriptional Complexity of Formal Systems. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39310-5_13.

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Bhaskara, Aditya, Sreenivas Gollapudi, Sungjin Im, Kostas Kollias, and Kamesh Munagala. "Online Distributed Queue Length Estimation." In 2025 Proceedings of the Conference on Applied and Computational Discrete Algorithms (ACDA). Society for Industrial and Applied Mathematics, 2025. https://doi.org/10.1137/1.9781611978759.23.

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Banerjee, A., K. Sikdar, and G. K. Gupta. "On Finite Buffer BMAP/G/1 Queue with Queue Length Dependent Service." In Operations Research and Optimization. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7814-9_4.

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Bolek, Kamil. "Real Time Intersection Traffic Queue Length Estimation System." In Computer Vision and Graphics. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-22025-8_5.

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Yu, Feng, Wei Liu, and Liang Bai. "An Improved Active Queue Management Algorithm Based on Queue Length and Traffic Rate Factor." In Advances in Intelligent and Soft Computing. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25658-5_79.

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Zhai, Mingyu, Guanqun Gu, and Yuan Yuan. "Queue Length Based Fair Queueing in Core-Stateless Networks." In Management of Multimedia on the Internet. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45508-6_14.

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Aliasgari, Mehrdad, Burkhard Englert, and Oscar Morales-Ponce. "Computing the Optimal Longest Queue Length in Torus Networks." In Theory and Practice of Natural Computing. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-90425-8_1.

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Li, Zhe, and Qizhuo Yao. "Video Image Processing Based Intersection Vehicle Queue Length Detection." In Advances in Natural Computation, Fuzzy Systems and Knowledge Discovery. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-89698-0_23.

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Mohiddin, Shaik Khaja, C. Prasanth, Gajendra Singh Rathore, and C. Hemanth. "Mathematical Analysis of Adaptive Queue Length-Based Traffic Signal Control." In Wireless Communication Networks and Internet of Things. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8663-2_24.

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Jia, Yanxin, Long Xu, Wei Xiong, Xin Wang, Zhijun Shang, and Zijun Yuan. "DeepTQ: Predictive TSN Switch Queue Length Based on Deep Learning." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-3336-1_1.

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Conference papers on the topic "Length of queue"

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Xu, Hongwei. "Adaptive Contention Window of Broadcasting Algorithm Based on Buffer Queue Length." In 2024 9th International Symposium on Computer and Information Processing Technology (ISCIPT). IEEE, 2024. http://dx.doi.org/10.1109/iscipt61983.2024.10673137.

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Mustavee, Shakib, and Shaurya Agarwal. "Self-Similar Characteristics in Queue Length Dynamics: Insights from Adaptive Signalized Corridor." In 2024 IEEE 27th International Conference on Intelligent Transportation Systems (ITSC). IEEE, 2024. https://doi.org/10.1109/itsc58415.2024.10919965.

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Zhang, Xin, Yong Liu, and Chen Mu. "Optimizing Bus Priority Signal Control Considering Queue Length and Average Passenger Delay." In 2024 20th International Conference on Mobility, Sensing and Networking (MSN). IEEE, 2024. https://doi.org/10.1109/msn63567.2024.00136.

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Rathnayake, Ishantha, Niranga Amarasinghe, Vasantha Wickramasinghe, and Kavindi Liyanage. "Queue Length Prediction at Un-Signalized Intersections with Heterogeneous Traffic Conditions." In The SLIIT International Conference on Engineering and Technology 2022. Faculty of Engineering, SLIIT, 2022. http://dx.doi.org/10.54389/pkfl8922.

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Increasing queue lengths while reducing average vehicle speeds is a notable criterion in intersections with heterogeneous traffic conditions. Such queue lengths vary with different intersection controls. This study aimed to estimate the queue length at un-signalized intersections with heterogeneous traffic conditions. The study was done for un-signalized intersections in Peradeniya and Weliwita, Sri Lanka and the data were collected through video recordings. The queue lengths in an un-signalized intersection with mixed traffic conditions have an instantaneous aggressive variation due to the un
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Cheng, Junxiang, and Ming Li. "Transient queue length distribution of the shortest queue model." In 2011 International Conference on Consumer Electronics, Communications and Networks (CECNet). IEEE, 2011. http://dx.doi.org/10.1109/cecnet.2011.5768427.

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Chen, Mingsong, Xueming Wei, Shengyuan Zhou, and Faliang Ao. "On Queue Length of RPR." In 2006 International Conference on Communications, Circuits and Systems. IEEE, 2006. http://dx.doi.org/10.1109/icccas.2006.285017.

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Vigos, G., M. Papageorgiou, and Yibing Wang. "A Ramp Queue Length Estimation Algorithm." In 2006 IEEE Intelligent Transportation Systems Conference. IEEE, 2006. http://dx.doi.org/10.1109/itsc.2006.1706777.

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Albiol, Antonio, Alberto Albiol, and Jose M. Mossi. "Video-based traffic queue length estimation." In 2011 IEEE International Conference on Computer Vision Workshops (ICCV Workshops). IEEE, 2011. http://dx.doi.org/10.1109/iccvw.2011.6130484.

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Lestas, Marios, Andreas Pitsillides, Petros Ioannou, and George Hadjipollas. "Queue Length Based Internet Congestion Control." In 2007 IEEE International Conference on Networking, Sensing and Control. IEEE, 2007. http://dx.doi.org/10.1109/icnsc.2007.372844.

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Cogill, Randy, and Brooke Shrader. "Queue length analysis for multicast: Limits of performance and achievable queue length with random linear coding." In 2009 47th Annual Allerton Conference on Communication, Control, and Computing (Allerton). IEEE, 2009. http://dx.doi.org/10.1109/allerton.2009.5394766.

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Reports on the topic "Length of queue"

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Benekohal, Rahim, and Hongjae Jeon. Results of Work Zone Queue Analysis Training Classes. Illinois Center for Transportation, 2023. http://dx.doi.org/10.36501/0197-9191/23-024.

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This white paper summarizes the results from three training classes on queue analysis in work zones. Accurately predicting the mobility impacts of work zones will enable designers to identify effective countermeasures to improve mobility and safety in work zones. The course provides hands-on training on basic analytical methods (queue analysis methods) to compute work zone performance measures such as capacity, speed, queue length, delay, and users’ costs. The capabilities and limitations of WorkZoneQ-Pro and the Highway Capacity Manual procedure for work zones are discussed, and basic guidanc
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Kodupuganti, Swapneel R., Sonu Mathew, and Srinivas S. Pulugurtha. Modeling Operational Performance of Urban Roads with Heterogeneous Traffic Conditions. Mineta Transportation Institute, 2021. http://dx.doi.org/10.31979/mti.2021.1802.

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The rapid growth in population and related demand for travel during the past few decades has had a catalytic effect on traffic congestion, air quality, and safety in many urban areas. Transportation managers and planners have planned for new facilities to cater to the needs of users of alternative modes of transportation (e.g., public transportation, walking, and bicycling) over the next decade. However, there are no widely accepted methods, nor there is enough evidence to justify whether such plans are instrumental in improving mobility of the transportation system. Therefore, this project re
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Zhou, Songnian. An Experimental Assessment of Resource Queue Lengths as Load Indices. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada619314.

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Serfozo, Richard F. Extreme Values of Queue Lengths in M/G/1 and GI/M/1 Systems. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada177117.

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Sakhare, Rahul Suryakant, Jairaj Desai, Jijo K. Mathew, John McGregor, Mischa Kachler, and Darcy M. Bullock. Measuring and Visualizing Freeway Traffic Conditions: Using Connected Vehicle Data. Purdue University, 2024. http://dx.doi.org/10.5703/1288284317751.

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Historically, a network of roadside sensors and cameras have been used to monitor freeway conditions. Although these systems are effective, they are typically not operational in and around work zones. Furthermore, it is often not financially viable to deploy in-road sensors and cameras in rural areas. Connected vehicle trajectory data has emerged as a viable source of data and provides a unique opportunity for monitoring freeways. This monograph describes how these connected vehicles can be used to directly measure queue lengths and travel times and this description is summarized in a graphica
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Arches National Park Visitor Use, Access, and Experience Study - Final Report, November 2020. National Park Service, 2024. http://dx.doi.org/10.36967/2306864.

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This report describes the results of the Arches National Park Visitor Use, Access, and Experience Study conducted from August 31 through October 31, 2019. This study was commissioned by the National Park Service (NPS) to help inform transportation planning and visitor use management at Arches National Park (ARCH). The specific purposes of the study are to: 1) collect descriptive information about vehicle traffic volumes, parking demand, trail use levels, and visitor densities at popular attraction sites; 2) estimate statistical relationships among transportation conditions, visitor use levels,
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