Showing 61–72 of 148 results
Energy-Aware Cooperative Wireless Networks with Multiple Cognitive Users Abstract-we study and analyze cooperative cognitive radio networks with arbitrary number of secondary users (SUs). Each SU is considered a prospective relay for the primary user (PU) besides having its own data transmission demand. We consider a multi-packet transmission framework which allows multiple SUs to transmit simultaneously…
Energy-Efficient Cluster-Head Rotation in Beacon-Enabled IEEE 802.15.4 Networks Abstract? Energy-Efficient Cluster-Head Rotation in Beacon-Enabled IEEE 802.15.4 Networks. Wireless sensor networks that use slotted, beacon-enabled IEEE 802.15.4 standard are often implemented using clustering with randomized sleep of < Final Year Projects 2016 > nodes to extend the network lifetime. To reduce the imbalance of power consumption…
Energy-Efficient Optimal Power Allocation for Fading Cognitive Radio Channels: Ergodic Capacity, Outage Capacity, and Minimum-Rate Capacity Abstract? Green communications is an inevitable trend for future communication network design, especially for a cognitive radio network. Power allocation strategies are of crucial importance for green cognitive radio networks. However, energy-efficient power allocation strategies in green cognitive radio…
ESRQ: An Efficient Secure Routing Method in Wireless Sensor Networks Based on Q-Learning Abstract-Some trust-based methods have been proposed for consideration by guaranteeing the security routing of wireless sensor networks (WSN) recently. However, Most of the current research work usually consumes a lot of energy resources and computing resources or only performs well for specific…
Event-to-Sink Spectrum-Aware Clustering in Mobile Cognitive Radio Sensor Networks Abstract? Cognitive radio sensor networks (CRSNs) are event-based systems such that sensor nodes detect events and the event readings of the sensors are collaboratively conveyed in a multi-hop manner through vacant channels from event regions to a sink. Hence, the event-to-sink communication and the dynamic radio…
Exploiting Cooperative Relay for High Performance Communications in MIMO Ad Hoc Networks. A novel server-side defense scheme is proposed to resist the Web proxy-based distributed denial of service attack. The approach utilizes the temporal and spatial locality to extract the behavior features of the proxy-to-server traffic, which makes the scheme independent of the traffic intensity…
EXPLORING BLIND ONLINE SCHEDULING FOR MOBILE CLOUD MULTIMEDIA SERVICES.Mobile cloud is a new emerging technology which can be used to enable users to enjoy abundant multimedia applications in a pervasive computing environment. Therefore, the scheduling of massive multimedia flows with heterogeneous QoS guarantees becomes an important issue for the mobile cloud. Generally, the predominant popular…
Exploring Future Challenges for Haptic, Audio and Visual Interfaces for Mobile Maps and Location Based Service Abstract? Supporting blind and visually impaired people with digital maps that can enhance spatial awareness and learning about the surrounding environment is a challenge. This study introduces an audio-tactile you-are-here map system that presents map elements and users’ updated…
Optimal Distributed Malware Defense in Mobile Networks with Heterogeneous Devices Abstract?Optimal Distributed Malware Defense in Mobile Networks with Heterogeneous Devices. Existing social networking services recommend friends to users based on their social graphs, which may not be the most appropriate to reflect a user’s preferences on friend selection in real life. In this paper, we…
Friendbook: A Semantic-Based Friend Recommendation System for Social Networks Abstract? Friendbook: A Semantic-Based Friend Recommendation System for Social Networks. Existing social networking services recommend friends to users based on their social graphs, which may not be the most appropriate to re?ect a user?s preferences on friend selection in real life. In this paper, we present…
Fuzzy Logic-based Routing Algorithm for Lifetime Enhancement in Heterogeneous Wireless Sensor Networks Abstract-Energy consumption of sensor nodes is a key factor affecting the lifetime of wireless sensor networks (WSNs). Prolonging network lifetime not only requires energy ef?cient operation, but also even dissipation of energy among sensor nodes. On the other hand, spatial and temporal variations…
Generalized Cooperative Multicast in Mobile Ad Hoc Networks Abstract-Cooperative multicast serves as an ef?cient communication paradigm for supporting multicast-intensive applications in mobile ad hoc networks (MANETs). Available studies on cooperative multicast in MANETs mainly focus on either the full cooperation or the noncooperation, which fail to capture the more general cooperation behaviors among destination nodes….
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Prediction of Heart Disease Using Machine Learning Algorithms 
A Key-Policy Attribute-Based Temporary Keyword Search Scheme for Secure Cloud Storage