Tag Archive: 'ieee ns3 projects'
In this paper, we discuss three challenges associated with antenna integration in platforms such as wearables and IoT. We explore the use PCB-integrated antenna designs in place of chip antennas, and the sensitivity of antenna radiation efficiency to hand model proximity as in a smartwatch usage scenario. Finally we showcase, using an active card reader, […]
In this letter, the convolutional perfectly matched layer (CPML) is modified and implemented for one-step leapfrog weakly conditionally stable finite-difference time-domain (WCS-FDTD) method. Since the WCS-FDTD method can be considered as an approximate factorization of the Crank—Nicolson scheme, the derived equations of CPML involve the calculation of auxiliary terms at two time steps which are […]
In wireless sensor networks securing code update is essential for many crucial military applications. The nodes deployed in border areas in the military region called the border sensor nodes are the more sensitive nodes. The border sensor nodes need to do some special tasks compared to other intermediate sensor nodes. So the code update to […]
Distributed opportunistic scheduling (DOS) techniques have been recently proposed for improving the throughput performance of wireless networks. With DOS, each station contends for the channel with a certain access probability. If a contention is successful, the station measures the channel conditions and transmits in case the channel quality is above a certain threshold. Otherwise, the station does […]
Low power sensor networks with communication enabled by WiFi are expected to be widely deployed. A major challenge is collecting event-driven uplink data from a large number of low-power sensors with low latency. In WiFi, the access point (AP) typically polls nodes individually to schedule uplink transmission times, resulting in a large latency. In this paper, we […]
Cloud and enterprise application integration (CEAI) is a new challenge as more enterprise applications migrate successfully to cloud environments. However, achieving CEAI properties such as multitenancy, cloud-level scalability, and environmental heterogeneity is nontrivial for enterprise applications originally built under the assumption of centralized management. A concrete implementation of the cloud service bus approach, called JTangCSB, addresses the […]
Session Initiation Protocol is an IP based signaling protocol used for establishing, modifying and terminating sessions. During the signaling process, both the peers may initiate similar or controversial signaling messages resulting in Race / Glare conditions. SIP protocol handles glare conditions by transmitting the signaling messages after a random interval of time, within a specified time range. […]
Given the wide range deployment of disconnected delay-tolerant social Internet-of-Things (SIoT), efficient resource discovery remains a fundamental challenge for large-scale SIoT. The existing search mechanisms over the SIoT do not consider preference similarity and are designed in Cartesian coordinates without sufficient consideration of real-world network deployment environments. In this paper, we propose a novel resource discovery mechanism […]
Distributed applications require coordination of distributed software components in order to achieve a common goal. A coordination model that abstracts the complexity of network communication eases the development of such applications. The objective is to design collaboration with remote hosts in the same way as local interactions. Separation of coordination logic and application code increases maintainability, as components can be easily […]
In this paper we give some background to how the long-lasting discussion on separation of identifiers and locators in networking has influenced the Information-centric Networking (ICN) research. We start with a historical retrospect of the id/locator discussion. We then address the problems that have been fueling the discussion followed by a chronological walkthrough of a number of id/locator split ideas up tosome […]
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