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We propose a novel relay augmentation strategy for extending the lifetime of a certain class of wireless sensor networks. In this class sensors are located at fixed and pre-determined positions and all communication takes place via…

Optimization and Control · Mathematics 2013-10-22 Marcus Brazil , Charl Ras , Doreen Thomas

Computational swarm intelligence consists of multiple artificial simple agents exchanging information while exploring a search space. Despite a rich literature in the field, with works improving old approaches and proposing new ones, the…

Neural and Evolutionary Computing · Computer Science 2019-04-09 Lydia Taw , Nishant Gurrapadi , Mariana Macedo , Marcos Oliveira , Diego Pinheiro , Carmelo Bastos-Filho , Ronaldo Menezes

We study a heterogeneous two-tier wireless sensor network in which N heterogeneous access points (APs) collect sensing data from densely distributed sensors and then forward the data to M heterogeneous fusion centers (FCs). This…

Information Theory · Computer Science 2020-10-23 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

Rapid progress made in the field of sensor technology, wireless communication, and computer networks in recent past, led to the development of wireless Ad-hoc sensor networks, consisting of small, low-cost sensors, which can monitor wide…

Networking and Internet Architecture · Computer Science 2011-09-15 Abhishek Sinha , Swagatam Das , Athanasios V. Vasilakos

Hyperparameter tuning in machine learning algorithms is a computationally challenging task due to the large-scale nature of the problem. In order to develop an efficient strategy for hyper-parameter tuning, one promising solution is to use…

Neural and Evolutionary Computing · Computer Science 2021-12-17 Leila Zahedi , Farid Ghareh Mohammadi , M. Hadi Amini

Memetic computation (MC) has emerged recently as a new paradigm of efficient algorithms for solving the hardest optimization problems. On the other hand, artificial bees colony (ABC) algorithms demonstrate good performances when solving…

Neural and Evolutionary Computing · Computer Science 2016-11-17 Iztok Fister , Iztok Fister , Janez Brest , Viljem Žumer

Large Language Models (LLMs) have been widely deployed across various applications, yet their potential security and ethical risks have raised increasing concerns. Existing research employs red teaming evaluations, utilizing multi-turn…

Cryptography and Security · Computer Science 2025-11-06 Yize Liu , Yunyun Hou , Aina Sui

Congestion is a problem of paramount importance in resource constrained Wireless Sensor Networks, especially for large networks, where the traffic loads exceed the available capacity of the resources. Sensor nodes are prone to failure and…

Networking and Internet Architecture · Computer Science 2016-11-18 Arpita Chakraborty , Srinjoy Ganguly , Mrinal Kanti Naskar , Anupam Karmakar

Most cellular network communication strategies are focused on data traffic scenarios rather than energy balance and efficient utilization. Thus mobile users in hot cells may suffer from low throughput due to energy loading imbalance…

Networking and Internet Architecture · Computer Science 2015-05-05 Jianjun Yang , Bryson Payne , Markus Hitz , Zongming Fei , Le Li , Tongquan Wei

The deployment of network nodes is essential to ensure the wireless sensor network's regular operation and affects the multiple network performance metrics, such as connectivity, coverage, lifetime, and cost. This paper focuses on the…

Networking and Internet Architecture · Computer Science 2020-09-08 Fan Tiegang , Chen Junmin

We study a hierarchical heterogeneous Rayleigh fading wireless sensor network (WSN) in which sensor nodes surveil a region of interest (RoI) and use access points (APs) as relays to transmit their sensed information to base stations (BSs).…

Information Theory · Computer Science 2022-11-16 Saeed Karimi-Bidhendi , Hamid Jafarkhani

Efficient task offloading is crucial for reducing latency and ensuring timely decision-making in intelligent transportation systems within the rapidly evolving Internet of Vehicles (IoV) landscape. This paper introduces a novel…

Emerging Technologies · Computer Science 2025-08-20 Mamta Kumari , Mayukh Sarkar , Rohit Kumar Nonia

The problem of similarity search is one of the main problems in computer science. This problem has many applications in text-retrieval, web search, computational biology, bioinformatics and others. Similarity between two data objects can be…

Neural and Evolutionary Computing · Computer Science 2013-12-06 Muhammad Marwan Muhammad Fuad

In this paper we compare the two intelligent route generation system and its performance capability in graded networks using Artificial Bee Colony (ABC) algorithm and Genetic Algorithm (GA). Both ABC and GA have found its importance in…

Networking and Internet Architecture · Computer Science 2014-08-07 Kavitha Sooda , T. R. Gopalakrishnan Nair

By relying on a wireless backhaul link, relay stations enhance the performance of cellular networks at low infrastructure cost, but at the same time, they can aggravate the interference issue. In this paper, we analyze for several relay…

Information Theory · Computer Science 2015-03-24 Fanny Parzysz , Mai Vu , François Gagnon

Due to the limited energy of sensor nodes in wireless sensor networks, extending the networks lifetime is a major challenge that can be formulated as an optimization problem. In this paper, we propose a distributed iterative algorithm based…

Networking and Internet Architecture · Computer Science 2018-07-31 Farzad Tashtarian , Ahmadreza Montazerolghaem , Amir Varasteh

In two-tiered Wireless Sensor Networks (WSNs) relay node placement is one of the key factors impacting the network energy consumption and the system overhead. In this paper, a novel connectivity-aware approximation algorithm for relay node…

Networking and Internet Architecture · Computer Science 2015-07-10 Chaofan Ma , Wei Liang , Meng Zheng

This paper investigates the benefits of cooperation and proposes a relay activation strategy for a large wireless network with multiple transmitters. In this framework, some nodes cooperate with a nearby node that acts as a relay, using the…

Information Theory · Computer Science 2016-11-17 Andrés Altieri , Leonardo Rey Vega , Pablo Piantanida , Cecilia Galarza

Nowadays, computer scientists have shown the interest in the study of social insect's behaviour in neural networks area for solving different combinatorial and statistical problems. Chief among these is the Artificial Bee Colony (ABC)…

Neural and Evolutionary Computing · Computer Science 2011-12-22 Habib Shah , Rozaida Ghazali , Nazri Mohd Nawi

Routing represents a pivotal concern in the context of Wireless Sensor Networks (WSN) owing to its divergence from traditional network routing paradigms. The inherent dynamism of the WSN environment, coupled with the scarcity of available…

Networking and Internet Architecture · Computer Science 2024-02-21 Yasameen Sajid Razooqi , Muntasir Al-Asfoor , Mohammed Hamzah Abed