free wireless network 13
Wireless sensor network (WSN): Architectural design issues and challenges
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Wireless sensor network (WSN) is an infrastructure less, low cost, dynamic topology, appplication oriented, multihoping network design with small, low power, sensing wireless distributed nods. WSN designing become more complex due to characterstics of deploying
An efficient multiclass call admission control and adaptive scheduling for WCDMA wireless network
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Abstract Efficient Call Admission Control (CAC) is necessary for the QoS provisioning in WCDMA environment. Traffic in the upcoming wireless networks is expected to be extremely non stationary. For the traffic of real-time classes which are non stationary at the base
Should we break a wireless network into sub-networks
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In this paper we show that to achieve capacity of a wireless network , the global structure of the network should be considered. In other words, achieving capacity on the sub-networks of a wireless network does not guarantee achieving capacity globally. We illustrate this fact by
An effective approach for mobility prediction in wireless network based on temporal weighted mobility rule
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In the wireless network , whenever a mobile node moves from one cell to another-called handover or handoff, the call needs to be handed off to the new base station, and then network resources must be reallocated. Many mobility prediction schemes are proposed to
Implementing network defence using deception in a wireless honeypot.
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The advance of 802.11 b wireless networking has been beset by inherent and in-built security problems. Network security tools that are freely available intercept network transmissions readily and with stealth, making organisations highly vulnerable to attack
Network -aware H. 264/AVC region-of-interest coding for a multi-camera wireless surveillance network
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Surveillance video is characterized by short periods of activity in a small region of the image, and long periods of inactivity. When transmitting such video sequences over a wireless network , it is important to dynamically adapt the encoding of each stream according to both
Cross-layer detection for black hole attack in wireless network
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Mobile ad hoc networks (MANETs) are especially vulnerable to attacks for lacking infrastructure and data transfer using wireless communication, especial for denial of service (DoS) attacks. Black hole and gray hole attack are two kinds of denial of service (DoS)
Compression of various routing protocol in wireless sensor network
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ABSTRACT Wireless Sensor Networks have emerged as an important new area in wireless technology. Wireless Sensor Networks (WSN) consists of numerous tiny sensors deployed at high density in regions requiring surveillance and monitoring. There are many existing
802.11 b wireless network visualization and radiowave propagation modeling
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This paper outlines the methods of creating detailed coverage maps of 802.11 b networks, with an emphasis on minimizing the expenses and time involved. The goal of this work is to develop and present a streamlined, reproducible approach to wireless visualization as well
A minmax game of power control in a wireless network under incomplete information
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The purpose of this paper is to study optimal transmit power control and capacity of a wireless multimedia network , where there is incomplete information about the link gain coefficients. Previously, Perron-Frobenius theory has been applied to the study of optimal
Never Die Network Based on Cognitive Wireless Network and Satellite System for Large Scale Disaster.
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Abstract The Great East Japan Earthquake caused many casualties and radiation contamination from the Fukushima nuclear power plant, and many problems still remain in the disaster area. The communication network was severely affected by the earthquake. The
Design and simulation of wireless sensor network topologies using the ZigBee standard
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Wireless sensor networks are network systems consisting of hundreds, even thousands of sensor nodes connected to each other through a wireless environment. Sensor nodes have complex functions, such as the detection, collection, calculation and routing of surroundingThis paper analyses the system spectral efficiency of a 2-link wireless network . The analysis reveals that there exist three operating points that possibly maximise the system spectral efficiency: either both links transmit with maximum power simultaneously or one single link
Wireless network -based tracking and monitoring on project sites of construction materials
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This paper presents a new prototype framework of automated tracking and monitoring system for construction materials. RFID and GPS technologies used in construction material tracking have been reviewed, and signal strength based localization has been examined. As
Reliable Local Broadcast in a Wireless Network Prone to Byzantine Failures.
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Reliable broadcast can be a very useful primitive for many distributed applications, especially in the context of sensoractuator networks. Recently, the issue of reliable broadcast has been addressed in the context of the radio network model that is
Swans-scalable wireless ad hoc network simulator
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Wireless networking research is fundamentally dependent upon simulation. Analytically quantifying the performance and complex behavior of even simple protocols on a large scale is often imprecise. On the other hand, performing actual experiments is onerous
Performance analysis of cellular wireless network by queuing priority handoff calls
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In this paper, a mathematical model is proposed to estimate the dropping probabilities of cellular wireless networks by queuing handoff instead of reserving guard channels. Usually, prioritized handling of handoff calls is done with the help of guard channel reservation. To
On network coding and routing in dynamic wireless multicast networks
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We compare multicast network coding and routing for a time-varying wireless network model with interferencedetermined link capacities. We use dynamic back pressure algorithms that are optimal for intra-session network coding and routing respectively. Our results suggestWe present a general game-theoretical framework for power allocation in the downlink of distributed wireless small-cell networks, where multiple access points (APs) or small base stations send independent coded network information to multiple mobile terminals (MTs)
Virtualization and slicing of wireless mesh network
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Experiments performed on a network provide an exact performance of network algorithms and protocols. While initial research ideas can be evaluated through analysis, simulations, and emulations, implementation and deployment of these ideas on a realistic environment CSE PROJECTS