Exploració GRCM - Radio Communication Research Group per títol
Ara es mostren els items 1-20 de 511
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5G for the support of public safety services
(2021-05-20)
Article
Accés obertNext-generation mobile technologies are the enablers for meeting the variable specific requirements of the public safety (PS) community. In particular, due to the development of commercially deployed 5G networks, PS providers ... -
5G framework for automated network adaptation in mission critical services
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertMission Critical Services (MCS) are gaining interest among network operators to offer alternative communications than conventional trunked radio systems. They promise a simplified management of cloud and radio resources ... -
5G-CLARITY: Integrating 5GNR, WiFi and LiFi in private networks with slicing support
(European Conference on Networks and Communications (EuCNC), 2020)
Comunicació de congrés
Accés obertThis paper introduces 5G-CLARITY, a 5G-PPP project exploring beyond 5G private networks integrating heterogeneous wireless access including 5GNR, WiFi, and LiFi. The project targets enhancements to current 5GNR performance ... -
A 4-Dimensional Markov model for the evaluation of radio access technology selection strategies in multiservice scenarios
(IEEE Press. Institute of Electrical and Electronics Engineers, 2006)
Text en actes de congrés
Accés obertIn order to support the conceptual development of Common Radio Resource Management (CRRM) algorithms, this paper provides an analytical approach to the performance evaluation of Radio Access Technology (RAT) selection ... -
A belief-based decision-making framework for spectrum selection in cognitive radio networks
(2015-12-17)
Article
Accés obertThis paper presents a comprehensive cognitive management framework for spectrum selection in cognitive radio networks. The framework uses a belief vector concept as a means to predict the interference affecting the different ... -
A channel allocation algorithm for OSA-Enabled IEEE 802.11 WLANs
(2009-09)
Text en actes de congrés
Accés obertChannel allocation problem is a major challenge in wireless local area networks (WLANs), especially in dense deployments of access points (APs) where congestion of the unlicensed spectrum bands (i.e., ISM bands) could ... -
A channel allocation algorithm for OSA-Enabled IEEE 802.11 WLANs
(2009)
Text en actes de congrés
Accés obertChannel allocation problem is a major challenge in wireless local area networks (WLANs), especially in dense deployments of access points (APs) where congestion of the unlicensed spectrum bands (i.e., ISM bands) could ... -
A cloud-enabled small cell architecture in 5G networks for broadcast/multicast services
(2019-06-01)
Article
Accés obertThe evolution of 5G suggests that communication networks become sufficiently flexible to handle a wide variety of network services from various domains. The virtualization of small cells as envisaged by 5G, allows enhanced ... -
A cognitive management framework for spectrum selection
(2013-10-04)
Article
Accés restringit per política de l'editorialTo increase cognitive radio (CR) operation efficiency, there has been an interest in enhancing the awareness level of spectrum utilization. In this context, this paper builds a new cognitive management functional architecture ... -
A combined polling and ISMA-DS/CDMA protocol to provide QoS in packet mobile communications systems
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertThis paper presents a new mechanism that combines the flexibility of an access protocol such as ISMA-DS/CDMA with the ability of a polling mechanism to provide a specific bound for the access delay. This protocol is proposed ... -
A comparison of different optimisation search methodologies for self-optimisation in wireless cellular networks
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialSelf-Organising Networks (SON) concept is seen as a way to reduce costs by automating functionalities such as network optimisation usually performed manually with extensive human work time. This paper provides a general ... -
A cross-layer energy-saving mechanism for an enhancement of 802.11 WLAN systems
(Institute of Electrical and Electronics Engineers (IEEE), 2004)
Comunicació de congrés
Accés restringit per política de l'editorialMost multiple access collision avoidance-based (MAC) protocols for WLAN systems have been using fixed transmission power and have not considered energy-saving techniques targeted on channel estimation models. In order to ... -
A cross-layer scheduling algorithm for DQCA-based WLAN systems with heterogeneous voice-data traffic
(ieee, 2005-09-30)
Comunicació de congrés
Accés restringit per política de l'editorialThis paper proposes a cross-layer priority-based scheduling algorithm for WLAN systems using the DQCA MAC protocol where heterogeneous voice-data traffic is present. In this algorithm voice users have always the highest ... -
A deep q network-based multi-connectivity algorithm for heterogeneous 4G/5G cellular systems
(Springer, 2022)
Text en actes de congrés
Accés restringit per política de l'editorialMulti-connectivity, which allows a user equipment to be simultaneously connected to multiple cells from different radio access network nodes that can be from a single or multiple radio access technologies, has emerged as ... -
A deep Q-network-based algorithm for multi-connectivity optimization in heterogeneous cellular-networks †
(2022-08-01)
Article
Accés obertThe use of multi-connectivity has become a useful tool to manage the traffic in heterogeneous cellular network deployments, since it allows a device to be simultaneously connected to multiple cells. The proper exploitation ... -
A fittingness factor-based spectrum management framework for cognitive radio networks
(2013-03)
Article
Accés restringit per política de l'editorialIn order to increase cognitive radios (CRs) operation efficiency, there has been an increasing interest in strengthening awareness level about spectrum utilisation. In this respect, this paper proposes to exploit the ... -
A framework based on a fittingness factor to enable efficient exploitation of spectrum opportunities in cognitive radio networks
(2011)
Text en actes de congrés
Accés obertIn order to increase CRs (Cognitive Radios) operation efficiency, there has been an interest in increasing awareness level about spectrum utilisation. In this respect, this paper proposes a new fittingness factor concept ... -
A framework for dynamic network architecture and topology optimization
(2016-04)
Article
Accés obertA new paradigm in wireless network access is presented and analyzed. In this concept, certain classes of wireless terminals can be turned temporarily into an access point (AP) anytime while connected to the Internet. This ... -
A framework for multidimensional modelling of spectrum occupancy in the simulation of cognitive radio systems
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialSpectrum models play a key role in the research of Dynamic Spectrum Access/Cognitive Radio (DSA/CR) systems. Models existing to date are able to characterise the statistical properties of spectrum occupancy in only one ... -
A generic radio channel emulator to evaluate higher layer protocols in a CDMA system
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertCurrently, we are involved in the standardisation process to specify the next mobile system generation. A wideband code division multiple access (WCDMA) system is considered in most of the region versions. It would be very ...