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Localized Algorithm for Channel Assignment in Cognitive Radio Networks
Cognitive radio has been emerged as a revolutionary solution to migrate the current shortage of spectrum allocation in wireless networks. In this paper, an improved localized channel allocation algorithm based on channel weight is proposed. A factor of channel stability is introduced based on link environment, which efficiently assigns the ...
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Routing in Cognitive Radio Networks - A Survey
Cognitive Radio Networks (CRNs) have been emerged as a revolutionary solution to migrate the spectrum scarcity problem in wireless networks. Due to increasing demand for additional spectrum resources, CRNs have been receiving significant research to solve issues related with spectrum underutilization. This paper brings efficient spectrum usage and effective interference ...
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High-quality data transmission is the primary objective of WSN for achieving quality of service. HeTerogeneous Wireless Sensor Networks (HTWSNs) can be used to deploy in sensitive and unmanned areas to monitor the objects. HTWSN is high configured network used to capture high-quality images and videos of targeted objects. During the ...
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The Risk and Challenges Of Cloud Computing
Cloud computing is a computing technology aiming to share storage, computation and services transparently among a massive users. Current cloud computing systems pose serious limitation to protecting the confidentiality of user data. Since the data share and stored is presented in unencrypted forms to remote machines owned and operated by ...
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Denial of Service (DoS) Attacks at Network Layer in WSN
Recent advancements in technology, tiny size and cost effectiveness have made sensors as a crucial part of real world sensitive applications. Many Denial of Service (DoS) attacks are identified at each layer of WSN which are purposeful, planned attacks to hamper the availability of service, restricting the sensor nodeâ??s utility ...
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Implementation of "Traslator Strategy" for Migration of IPv4 to IPv6
In this paper, the authors focused on the translator strategy for migration of IPv4 to IPv6 implemented in cisco packet tracer. It describes the design and configuration of network devices and packet transfer between devices of IPv4 and IPv6 networks using NAT-PT as transition mechanism. First major version of IP, ...
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A Novel Weighted Clustering Based Approach for Improving the Wireless Sensor Network Lifetime
Great lifetime and reliability is the key aim of Wireless Sensor Network (WSN) design. While, according to their utility and applications the wireless communication is also illustrated in two parts, short range or indoor communication and broad range or outdoor communication. According to the obtained performance the proposed technique provides ...
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Performance Analysis of WiMAX and LTE Using NS-2
In telecommunications, 4G is the fourth generation of cell phone mobile communications standards. Hence, LTE (Long Term Evolution) and WiMAX (Worldwide interoperability for Microwave Access) became the two leading technologies. Services are increasingly shifting from voice to data and from circuit-switched to packet-switched ones. Battle between LTE and WiMAX technologies ...
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Improved SCTP Scheme to Overcome Congestion Losses Over MANET
Transmission control conventions have been utilized for data transmission process. Transmission Control Protocol (TCP) has been prepossessed for information transmission over wired correspondence having diverse transfer speeds and message delays over the system. TCP gives correspondence utilizing 3-handshake which sends Request-To-Send (RTS) and ACKnowledgement (ACK) originate from server end and ...
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Password Authentication in Cloud
Cloud computing is an Internet-based computing, whereby shared resources, software and information are provided to computers and other devices on demand. However, adopting a cloud computing paradigm may have positive as well as negative effects on the data security of service consumers. Cloud Computing is a term used to describe ...
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