Πλοήγηση ανά Θέμα "Wireless networks"
Αποτελέσματα 21-40 από 105
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Cross-layer DASH-based multipath video streaming over LTE and 802.11ac networks
(2021)Dynamic Adaptive Streaming over Http (DASH) -based video streaming applications are becoming increasingly prevalent over the mobile Internet. Many efforts have been made to optimize their performances. Multipath video ... -
Cross-network and cross-layer optimized video streaming over LTE and WCDMA downlink
(2016)Video services are proliferating over today's mobile Internet and efforts have been made to improve their performance. The cross-layer video streaming that jointly optimizes the parameters at different protocol layers is ... -
Demo: Enabling asynchronous awakenings in wireless sensor networks towards removing duty-cycle barriers
(2017)Typical wireless sensor network applications follow duty-cycle mechanisms, yielding important energy savings by reducing the power consumption of idle listening. However, this approach still dictates predefined cycles of ... -
Demo: Experimentation in controlled and operational LTE settings with FLEX-MONROE
(2017)This demo paper presents FLEX-MONROE, a platform that facilitates better understanding of current LTE Mobile Broadband (MBB) networks and enables performance improvements by allowing experimentation with controllable LTE ... -
Demo: In-situ power consumption meter for sensor networks supporting extreme dynamic range
(2017)Typical wireless sensor devices feature an extreme power consumption range between their active and sleep states, thus requiring different hardware setups for measuring their expenditure with high accuracy. In this demo ... -
Demo: Lora mesh network experimentation in a city-wide testbed
(2019)LoRa is a low-power long-range Internet of Things (IoT) standard that offers remarkable performance, especially in remote rural areas. However the single-hop nature of current LoRa networks, poses significant challenges ... -
Demo: Online energy consumption monitoring of wireless testbed infrastructure through the NITOS EMF framework
(2013)Development of energy-efficient protocols and algorithms requires in-depth understanding of the power consumption characteristics of real world devices. To this aim, energy efficiency analysis is performed by the research ... -
Demonstration of a Vehicle-to-Infrastructure (V2I) communication network featuring heterogeneous sensors and delay tolerant network capabilities
(2012)The development of applications based over vehicular networks, such as road safety, environmental information etc. require a complete testbed platform for research and evaluation. Such a platform will be provided by NITOS[1] ... -
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, ... -
A demonstration of video over a user centric prioritization scheme for wireless LANs
(2008)Due to the unreliable nature of the wireless medium, provisioning of the Quality of Service (QoS) in wireless LANs is by far more complicated than in wired networks. In this demo we show the efficiency of a new QoS support ... -
Design, architecture and implementation of a resource discovery, reservation and provisioning framework for testbeds
(2015)Experimental platforms (testbeds) play a significant role in the evaluation of new and existing technologies. Their popularity has been raised lately as more and more researchers prefer experimentation over simulation as ... -
Distributed back-pressure power control for wireless multi-hop networks
(2012)A key problem in wireless networking is how to choose a link activation schedule and associated powers in concert with routing decisions to optimize throughput. Back-pressure control policies are optimal in this context, ... -
A double-auction mechanism for mobile data-offloading markets
(2015)The unprecedented growth of mobile data traffic challenges the performance and economic viability of today's cellular networks and calls for novel network architectures and communication solutions. Mobile data offloading ... -
Downlink transmission optimization and statistical feedback strategies in a multi-user IEEE 802.16m system
(2009)A multi-user MIMO/OFDMA system for the next generation Broadband Wireless Access (BWA) networks is studied, in which the Base Station (BS) has only knowledge of the statistics of the channel. A combination of MIMO, OFDMA ... -
Dynamic cross-layer association in 802.11-based mesh networks
(2007)In IEEE 802.11-based wireless mesh networks a user is associated with an access point (AP) in order to communicate and be part of the overall network. The association mechanism specified by the IEEE 802.11 standard does ... -
Dynamic resource provisioning for energy efficiency in wireless access networks: A survey and an outlook
(2014)Traditionally, energy efficiency aspects have been included in the wireless access network design space only in the context of power control aimed at interference mitigation and for the increase of the terminal battery ... -
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 ... -
Efficient file replication in large wireless networks with dynamic popularity
(2014)We investigate the problem of replication in large wireless networks that employ caching in the case of a single file whose popularity varies with time. As opposed to the case of static popularity, in this case for the ... -
Enabling mobile sensing through a DTN framework
(2013)Participatory Sensing is the concept of distributed data collection by self-selected participants. By exploiting latest technology's smart devices, a large number of valuable information can be collected through embedded ... -
Energy-Efficient UAV-Relaying 5G/6G Spectrum Sharing Networks: Interference Coordination with Power Management and Trajectory Design
(2022)As massive ground users access wireless networks with limited available spectrum, coexisting users that share the same spectrum band severely interfere with each other. Moreover, communication pairs without direct communication ...