English
Related papers

Related papers: Throughput Analysis in CSMA/CA Networks using Cont…

200 papers

Connected and Autonomous Vehicles (CAVs) rely on Vehicular Adhoc Networks with wireless communication between vehicles and roadside infrastructure to support safe operation. However, cybersecurity attacks pose a threat to VANETs and the…

Cryptography and Security · Computer Science 2022-02-17 Safras Iqbal , Peter Ball , Muhammad H Kamarudin , Andrew Bradley

Connected Autonomous Vehicles (CAVs) operate in dynamic, open, and multi-domain networks, rendering them vulnerable to various threats. Trust Management Systems (TMS) systematically organize essential steps in the trust mechanism,…

Artificial Intelligence · Computer Science 2025-05-14 Qian Xu , Lei Zhang , Yixiao Liu

The problem of minimizing queueing delay of opportunistic access of multiple continuous time Markov channels is considered. A new access policy based on myopic sensing and adaptive transmission (MS-AT) is proposed. Under the framework of…

Optimization and Control · Mathematics 2011-08-02 Shiyao Chen , Lang Tong , Qing Zhao

Unmanned aerial vehicles (UAVs) have played an important role in air-ground integration network. Especially in Internet of Things (IoT) services, UAV equipped with communication equipments is widely adopted as a mobile base station (BS) for…

Information Theory · Computer Science 2020-10-23 Bin Li , Xianzhen Guo , Ruonan Zhang , Xiaojiang Du , Mohsen Guizani

The evolution of wireless communications has been significantly influenced by remarkable advancements in multiple access (MA) technologies over the past five decades, shaping the landscape of modern connectivity. Within this context, a…

Information Theory · Computer Science 2024-10-08 Yuanwei Liu , Chongjun Ouyang , Zhiguo Ding , Robert Schober

We analyze the performance of CSMA in multi-channel wireless networks, accounting for the random nature of traffic. Specifically, we assess the ability of CSMA to fully utilize the radio resources and in turn to stabilize the network in a…

Networking and Internet Architecture · Computer Science 2011-04-05 Thomas Bonald , Mathieu Feuillet

Wireless mesh networks are a promising technology for connecting sensors and actuators with high flexibility and low investment costs. In industrial applications, however, reliability is essential. Therefore, two time-slotted medium access…

Networking and Internet Architecture · Computer Science 2018-06-15 Florian Kauer , Volker Turau

This paper proposes a cross-layer based cognitive radio multichannel medium access control (MAC) protocol with TDMA, which integrate the spectrum sensing at physical (PHY) layer and the packet scheduling at MAC layer, for the ad hoc…

Networking and Internet Architecture · Computer Science 2010-09-28 S. M. Kamruzzaman

Real-Time Networks (RTNs) provide latency guarantees for time-critical applications and it aims to support different traffic categories via various scheduling mechanisms. Those scheduling mechanisms rely on a precise network performance…

Networking and Internet Architecture · Computer Science 2021-04-07 Chien-Cheng Wu

Inferring the infinitesimal rates of continuous-time Markov chains (CTMCs) is a central challenge in many scientific domains. This task is hindered by three factors: quadratic growth in the number of rates as the CTMC state space expands,…

Methodology · Statistics 2026-02-09 Filippo Monti , Xiang Ji , Marc A. Suchard

Many problems of practical interest rely on Continuous-time Markov chains~(CTMCs) defined over combinatorial state spaces, rendering the computation of transition probabilities, and hence probabilistic inference, difficult or impossible…

Multi-agent path planning (MAPP) in continuous spaces is a challenging problem with significant practical importance. One promising approach is to first construct graphs approximating the spaces, called roadmaps, and then apply multi-agent…

Multiagent Systems · Computer Science 2022-01-25 Keisuke Okumura , Ryo Yonetani , Mai Nishimura , Asako Kanezaki

Sparse Code Multiple Access (SCMA) is an enabling code-domain non-orthogonal multiple access (NOMA)scheme for massive connectivity and ultra low-latency in future machine-type communication networks. As an evolved variant of code division…

Information Theory · Computer Science 2021-05-17 Saumya Chaturvedi , Zilong Liu , Vivek Ashok Bohara , Anand Srivastava , Pei Xiao

Pairwise Choice Markov Chains (PCMC) have been recently introduced to overcome limitations of choice models based on traditional axioms unable to express empirical observations from modern behavior economics like context effects occurring…

Machine Learning · Computer Science 2020-02-03 Alix Lhéritier

Modern vehicles have multiple electronic control units (ECUs) that are connected together as part of a complex distributed cyber-physical system (CPS). The ever-increasing communication between ECUs and external electronic systems has made…

Machine Learning · Computer Science 2021-09-13 S. V. Thiruloga , V. K. Kukkala , S. Pasricha

In this paper, we analyze the coexistence of a primary and a secondary (cognitive) network when both networks use the IEEE 802.11 based distributed coordination function for medium access control. Specifically, we consider the problem of…

Networking and Internet Architecture · Computer Science 2013-09-11 Santhosh Kumar , Nirmal Shende , Chandra R. Murthy , Arun Ayyagari

Due to the exponential increase in wireless devices and a diversification of network services, unprecedented challenges, such as managing heterogeneous data traffic and massive access demands, have arisen in next-generation wireless…

Networking and Internet Architecture · Computer Science 2024-12-17 Zhizhen Li , Xuanhao Luo , Mingzhe Chen , Chenhan Xu , Shiwen Mao , Yuchen Liu

Continuum Approximation (CA) is an efficient and parsimonious technique for modeling complex logistics problems. In this paper,we review recent studies that develop CA models for transportation, distribution and logistics problems with the…

Optimization and Control · Mathematics 2017-06-20 Sina Ansari , Mehmet Basdere , Xiaopeng Li , Yanfeng Ouyang , Karen Smilowitz

Continuous Time Markov Chains (CTMC) have been used extensively to model reliability of storage systems. While the exponentially distributed sojourn time of Markov models is widely known to be unrealistic (and it is necessary to consider…

Performance · Computer Science 2015-03-30 Prasenjit Karmakar , K. Gopinath

We report an extension of a Keras Model, called CTCModel, to perform the Connectionist Temporal Classification (CTC) in a transparent way. Combined with Recurrent Neural Networks, the Connectionist Temporal Classification is the reference…

Machine Learning · Computer Science 2019-01-24 Yann Soullard , Cyprien Ruffino , Thierry Paquet