Πλοήγηση ανά Θέμα "Wireless telecommunication systems"
Αποτελέσματα 21-40 από 92
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A demonstration of evolved user equipment for collaborative wireless backhauling in next generation cellular networks
(2015)In this work, we demonstrate and validate a novel architecture for next generation cellular networks that enables collaborative forwarding at Layer 2 among adjacent eNBs with the aid of enhanced user equipment (UE) devices, ... -
Design and implementation of a VIPSec based application
(2007)Voice over IP (VoIP) is one of the most emerging technologies, while a respectable number of corresponding applications are being implemented or updated in daily basis. Although communications security is a constant ... -
Detecting IEEE 802.11 MAC layer misbehavior in ad hoc networks: Robust strategies against individual and colluding attackers
(2007)Selfish behavior at the Medium Access (MAC) Layer can have devastating side effects on the performance of wireless networks, with effects similar to those of Denial of Service (DoS) attacks. In this paper we consider the ... -
Development of an advanced embedded system for description of electrophysiological phenomena in ornamental plants by biosignals processing
(2011)Extracellular electrical signals that are produced from plants have different patterns depending on factors that may cause stress such as water deficiency, nutrient shortages, high salinity level in the root environment ... -
Distribute, store and retrieve management policies in wireless ad-hoc networks using the content delivery publish/subscribe paradigm
(2009)Policy management is a management paradigm that has been extensively studied for the case of fixed networks but limited work can be found for migrating it to mobile environments. It enables dynamic adaptation of the network ... -
Distributed caching algorithms in the realm of layered video streaming
(2019)Distributed caching architectures have been proposed for bringing content close to requesters, and the key problem is to design caching algorithms for reducing content delivery delay, which determines to an extent the user ... -
Distributed dynamic scheduling for end-to-end rate guarantees in wireless ad hoc networks
(2005)We present a framework for the provision of deterministic end-to-end bandwidth guarantees in wireless ad hoc networks. Guided by a set of local feasibility conditions, multi-hop sessions are dynamically offered allocations, ... -
Distributed on-line schedule adaptation for balanced slot allocation in wireless ad hoc networks
(2004)We propose an algorithm for design and on the fly modification of the schedule of a wireless ad hoc network for provision of fair service guarantees under topological changes. The primary objective is to derive a distributed ... -
The effect of caching in sustainability of large wireless networks
(2012)We study the scalability of multihop wireless communications, a major concern in networking, for the case that users access content cached across the nodes. In contrast to the standard paradigm of randomly selected ... -
Enabling experimentation in mobile sensing scenarios through 4G networks: The NITOS approach
(2015)Wireless technologies have evolved rapidly over the past years, directly affecting our everyday living with the wide penetration of smart mobile devices. As such, the research community has placed major efforts in shaping ... -
End-to-end bandwidth guarantees through fair local spectrum share in wireless ad-hoc networks
(2003)Sharing the locally common spectrum among the links of the same vicinity is a fundamental problem in wire-less ad-hoc networks. Lately some scheduling approaches have been proposed that guarantee fair share of the bandwidth ... -
End-to-end bandwidth guarantees through fair local spectrum share in wireless ad-hoc networks
(2005)Sharing the common spectrum among the links in a vicinity is a fundamental problem in wireless ad-hoc networks. Lately, some scheduling approaches have been proposed that guarantee fair share of bandwidth among the links. ... -
Energy efficient spectrum allocation and mode selection for mission-critical D2D communications
(2016)Device-to-device (D2D) communications is considered as a key enabling technology in future cellular networks and thus, it has become an intriguing topic for research. It refers to an innovative technology that enables User ... -
Enhancing WPS security
(2012)The main concern on the use of wireless technologies is security, due to the nature of the medium. User awareness in order to implement efficient security configurations is an important requirement raised by the technology, ... -
Evolutionary fuzzy multi-objective routing for wireless mobile ad hoc networks
(2004)The complexity involved in implementing multi-objective routing in computer networks has led to many researchers exploring alternate solutions with the use of heuristic based techniques. The rationale underlying the use ... -
Evolved user equipment for collaborative wireless backhauling in next generation cellular networks
(2015)In this paper, we propose a novel architecture for next generation cellular networks that enables collaborative forwarding at Layer 2 among adjacent eNBs with the aid of enhanced user equipment (UE) devices, that act ... -
Experimenting with P2P traffic optimization for wireless mesh networks in a federated OMF-PlanetLab environment
(2011)The ultimate success of the Wireless Mesh Network paradigm (WMN) in large scale deployments depends on the ability to test it in real world scenarios. A typical application scenario which is worth to be investigated in ... -
Exploiting Caching and Multicast for 5G Wireless Networks
(2016)The landscape toward 5G wireless communication is currently unclear, and, despite the efforts of academia and industry in evolving traditional cellular networks, the enabling technology for 5G is still obscure. This paper ... -
Fast power-up active link protection in autonomous distributed transmitter power control
(2008)In this work, we propose an enhancement to the DPC/ALP (Distributed Power Control with Active Link Protection) algorithm that allows fast power ramp-up without compromising the ALP guarantee. The original DPC algorithm was ... -
First demonstration of service-differentiated converged optical sub-wavelength and LTE/WiFi networks over GEANT
(2015)A converged optical-wireless testbed is formed integrating TSON sub-wavelength networking in UK and the NITOS wireless solution in Greece. End-to-end service provisioning and flow differentiation are demonstrated across ...