Auflistung Nach Schlagwort "Radio"
Anzeige der Dokumente 1-14 von 14
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Adaptive radio resource management in a sectored cell for broadband wireless access systems
(2010)In this work, we analyze the performance of a multi-user sectored MIMO/OFDMA system under the limited feedback constraint. Dynamic radio resource management methods are used to a reuse-one sectorized cell in order to reduce ... -
Demo: Real LTE experimentation in a controlled environment
(2015)LTE, commonly known as 4G, stands for Long-Term Evolution and is a wireless communication technology standardized by 3GPP. LTE adoption has increased drastically over the last years, and today is integrated widely in a ... -
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] ... -
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, ... -
Enabling SDN experimentation with wired and wireless resources: The smartFIRE facility
(2016)Over the last few years, several experimentation platforms have been deployed around the world, providing to the computer science research community a way to remotely perform and control networking experiments. Most of the ... -
Federated-Learning-Driven Radio Access Networks
(2022)In this work, we present federated learning (FL) driven radio access mechanisms, which can be employed at the future radio access networks (RANs) to achieve high accuracy rather than data rate that was the objective in ... -
Geometrical bounds on the efficiency of wireless network coding
(2013)This paper explores wireless network coding both in case of deterministic and random point patterns. Using the Boolean connectivity model we provide upper bounds for the maximum encoding number, i.e., the number of packets ... -
HEVC decoder optimization in low power configurable architecture for wireless devices
(2015)High Efficiency Video Coding (HEVC) is the new video compression standard, reducing bitrates nearly at half compared to H.264, offering potentially significant power savings for wireless video transmission at the network ... -
Implementation experience in multi-domain SDN: Challenges, consolidation and future directions
(2017)Network architectures compliant with the Software Defined Networking (SDN) design paradigm, are expected to provide extreme flexibility for service orientation and allow for efficient use of network resources of cloud ... -
Integrating NFV-MANO with Wireless Services: Experiences and Testbed Development
(2018)Network Functions Virtualization Management and Orchestration (NFV-MANO) aims to provide a common interface for technology developers and service operators for the instantiation of virtual network functions over generic ... -
Joint packet retransmission and spectrum sensing for cognitive radio networks
(2014)We model and simulate a joint design of packet retransmission through a hybrid automatic repeat request (HARQ) protocol at the data link layer and spectrum sensing (SpSe) at the physical layer for cognitive radio networks ... -
On minimizing service access latency: Employing MEC on the fronthaul of heterogeneous 5G architectures
(2019)Multiple-access Edge Computing (MEC) has been proposed as a means to minimize the user to service path latency, by deploying and operating datacenter resources close to the network edge. The introduction of 5G mobile network ... -
Wavelet-based compression with ROI coding support for mobile access to DICOM images over heterogeneous radio networks
(2009)Most of the commercial medical image viewers do not provide scalability in image compression and/or region of interest (ROI) encoding/decoding. Furthermore, these viewers do not take into consideration the special requirements ... -
An X Band Radio Channel Model for Propagation Through the Solar Corona
(2018)Spacecraft communication systems operating at X band are strongly affected when the propagation path passes close to the Sun (which can be characterized by the Sun-Earth-Probe, SEP, angle). In this paper, a channel model ...