نتایج جستجو برای: wireless networks lorawan

تعداد نتایج: 479341  

The wireless communication with delivering variety of services to users is growing rapidly in recent years. The third generation of cellular networks (3G), and local wireless networks (WLAN) are the two widely used technologies in wireless networks. 3G networks have the capability of covering a vast area; while, WLAN networks provide higher transmission rates with less coverage. Since the two n...

Wireless network on chip (WiNoC) is one of the promising on-chip interconnection networks for on-chip system architectures. In addition to wired links, these architectures also use wireless links. Using these wireless links makes packets reach destination nodes faster and with less power consumption. These wireless links are provided by wireless interfaces in wireless routers. The WiNoC archite...

Abolfazl Toroghi Haghighat, Fereydoon Abdi

Wireless sensor networks attracting a great deal of research interest. Accurate localization of sensor nodes is a strong requirement in a wide area of applications. In recent years, several techniques have been proposed for localization in wireless sensor networks. In this paper we present a localization scheme with using only one mobile anchor station and received signal strength indicator tec...

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Wireless sensor networks have many applications in the real world and have been developed in various environments. But the limitations of these networks, including the limitations on the energy and processing power of the sensors, have posed many challenges to researchers. One of the major challenges is the security of these networks, and in particular the issue of authentication in the wireles...

Wireless Sensor Networks are the new generation of networks that typically are formed great numbers of nodes and the communications of these nodes are done as Wireless. The main goal of these networks is collecting data from neighboring environment of network sensors. Since the sensor nodes are battery operated and there is no possibility of charging or replacing the batteries, the lifetime of ...

ژورنال: محاسبات نرم 2018

With the development of technology, the use of wireless telecommunication networks for the various affairs is essential. These networks are one of the safest and most widely used networks, for instance, in medical care and remote patient monitoring. What matters is the quality of service in these networks. The purpose of this paper is to increase packet transduction in a wireless body area netw...

Wireless sensor networks, due to the characteristics of sensors such as wireless communication channels, the lack of infrastructure and targeted threats, are very vulnerable to the various attacks. Routing attacks on the networks, where a malicious node from sending data to the base station is perceived. In this article, a method that can be used to transfer the data securely to prevent attacks...

Journal: :Network 2022

The constant evolution in communication infrastructures will enable new Internet of Things (IoT) applications, particularly areas that, up to today, have been mostly enabled by closed or proprietary technologies. Such applications be a myriad wireless technologies designed for all types IoT devices, among which are the Long-Range Wide-Area Network (LoRaWAN) other Low-power and Networks (LPWAN) ...

Journal: :international journal of smart electrical engineering 2013
mohsen jahanshahi shaban rahmani shaghayegh ghaderi

an efficient cluster head selection algorithm in wireless sensor networks is proposed in this paper. the implementation of the proposed algorithm can improve energy which allows the structured representation of a network topology. according to the residual energy, number of the neighbors, and the centrality of each node, the algorithm uses fuzzy inference systems to select cluster head. the alg...

Journal: :Fudma Journal of Sciences 2023

A variety of long-range (LoRa), low-power, and low bit-rate wireless network technologies have been made possible by the Internet Things' (IoT) rapid growth. As a radio technology for implementation numerous Things applications, LoRa low-power wide area (LPWAN) has gained prominence. is frequently used in conjunction with Long-Range Wide Area Network Media Access Control (LoRaWAN MAC) protocol ...

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