Technology Forecasting for Wireless Communication
Wireless communications technologies have undergone rapid changes over the last 30 years from analog approaches to digital-based systems. These technologies have improved on many fronts including...
View ArticleOn-Ground Simulation of Optical Links for Free-Space Laser Communications
A method of on-ground simulation of optical links for free-space communications by Fourier-transform, image magnification and wavefront sampling with limited apertures was proposed. An optical...
View ArticleA Delay-Aware Reliable Event Reporting Framework for Wireless Sensor -...
Wireless Sensor - Actuator Networks (WSANs) greatly enhance the existing wireless sensor network architecture by introducing powerful and possibly even mobile actuators. The actuators work with...
View ArticleZigBee-Based Wireless Sensor Network Localization for Cattle Monitoring in...
This paper presents the design of a localization scheme in wireless sensor networks (WSN) for cattle monitoring applications in grazing fields. No additional hardware was required for distance...
View ArticleTowards an Autonomous Real-Time Tracking System of Near-Miss Accidents on...
This paper has analyzed and verified the autonomous information requirement of near-miss accidents and has investigated the feasibility and performance of using a Zigbee RFID sensor network to...
View ArticleA Wireless Bioimpedance Device for Abdominal Fatness Monitoring
The ZigBee-based bioimpedance device presented in this paper allows reliable, low-power, and real-time monitoring of abdominal fatness. The feasibility of the presented analog front-end has been...
View ArticlePerformance Overview of the Quasi-Synchronous Operation Mode in Optical Burst...
Optical Burst Switching (OBS) is able to operate under both asynchronous and synchronous burst departures. Although the asynchronous approach is generally assumed in OBS owing to its simplicity...
View ArticleEfficient Wireless Reprogramming Through Reduced Bandwidth Usage and...
Wireless reprogramming of a sensor network is useful for uploading new code or for changing the functionality of existing code. Reprogramming may be done multiple times during a node's lifetime...
View ArticleAn Encounter-Based Multicast Scheme for Disruption Tolerant Networks
Some ad hoc network scenarios are characterized by frequent partitions and intermittent connectivity. Hence, existing ad hoc routing schemes that assume that an end-to-end path exists from a...
View ArticleQoS and Preemption Aware Scheduling in Federated and Virtualized Grid...
Resource provisioning is one of the challenges in federated Grid environments. In these environments each Grid serves requests from external users along with local users. Recently, this resource...
View ArticleA Generalized Bloom Filter to Secure Distributed Network Applications
Distributed applications use Bloom filters to transmit large sets in a compact form. However, attackers can easily disrupt these applications by using or advertising saturated filters. In this...
View ArticleA Historical Probability Based Noise Generation Strategy for Privacy...
Cloud computing promises an open environment where customers can deploy IT services in pay-as-you-go fashion while saving huge capital investment in their own IT infrastructure. Due to the...
View ArticleLong-Term Availability Prediction for Groups of Volunteer Resources
Volunteer computing uses the free resources in Internet and Intranet environments for large-scale computation and storage. Currently, 70 applications use over 12 Peta-FLOPS of computing power from...
View ArticleHash-Based Proximity Clustering for Efficient Load Balancing in Heterogeneous...
Distributed Hash Table (DHT) networks based on consistent hashing functions have an inherent load uneven distribution problem. The objective of DHT load balancing is to balance the workload of the...
View ArticleAchieving Distributed User Access Control in Sensor Networks
User access control in sensor networks defines a process of granting user an access right to the stored information. It is essential for future real sensor network deployment in which sensors may...
View ArticleLooking Ahead in Pervasive Computing: Challenges and Opportunities in the Era...
The physical environment is becoming more and more saturated with computing and communication entities that interact among themselves, as well as with users: virtually everything will be enabled...
View ArticleCompressive Sampling Based Differential Detection for UWB Impulse Radio Signals
Non-coherent detectors significantly contribute to the practical realization of the UltraWide-Band (UWB) Impulse-Radio (IR) concept, in that they allow avoiding channel estimation and provide...
View ArticleUtilizing Dynamic Spectrum Leasing for Cognitive Radios in 802.11-Based...
Dynamic Spectrum Access (DSA) is proposed to deal with the growing shortage of available leased spectrum for wireless communication. The authors investigate a subset of DSA referred to as Dynamic...
View ArticleA Term Rewriting Technique for Decision Graphs
The authors provide an automatic verification for a fragment of FOL quantifier-free logic with zero, successor and equality. They use BDD representation of such formulas and to verify them, they...
View ArticlePerformance Evaluation of Wireless Sensor Network With Hybrid Channel Access...
In this paper, a hybrid channel access mechanism is proposed for the wireless sensor network that considers the channel access procedure of IEEE 802.15.4 and combines the binary exponential...
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