Browsing by Author "Sallent Roig, Oriol"
Now showing items 1-20 of 205
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A 4-Dimensional Markov model for the evaluation of radio access technology selection strategies in multiservice scenarios
Gelabert Doran, Xavier Bernardi; Pérez Romero, Jordi; Sallent Roig, Oriol; Agustí Comes, Ramon (IEEE Press. Institute of Electrical and Electronics Engineers, 2006)
Conference report
Open AccessIn 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
Pérez Romero, Jordi; Raschellà, Alessandro; Sallent Roig, Oriol; Umbert Juliana, Anna (2015-12-17)
Article
Open AccessThis 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 cognitive management framework for spectrum selection
Bouali, Faouzi; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2013-10-04)
Article
Restricted access - publisher's policyTo 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
Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2000)
Conference report
Open AccessThis 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
Sánchez González, Juan; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policySelf-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 deep q network-based multi-connectivity algorithm for heterogeneous 4G/5G cellular systems
Hernández Carlón, Juan Jesús; Pérez Romero, Jordi; Sallent Roig, Oriol; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (Springer, 2022)
Conference report
Restricted access - publisher's policyMulti-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 †
Hernández Carlón, Juan Jesús; Pérez Romero, Jordi; Sallent Roig, Oriol; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (2022-08-01)
Article
Open AccessThe 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
Bouali, Faouzi; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2013-03)
Article
Restricted access - publisher's policyIn 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
Bouali, Faouzi; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2011)
Conference report
Open AccessIn 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 mobile controlled algorithm for improving the throughput in a s-aloha ds-cdma system
Sallent Roig, Oriol; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 1996)
Conference report
Open AccessThis paper presents a novel adaptive DS-CDMA slotted-ALOHA packet random access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving the throughput and message delay delivery when traffic ... -
A multi-agent reinforcement learning approach for capacity sharing in multi-tenant scenarios
Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (Institute of Electrical and Electronics Engineers (IEEE), 2021-07-27)
Article
Open Access5G is envisioned to simultaneously provide diverse service types with heterogeneous needs under very different application scenarios and business models. Therefore, network slicing is included as a key feature of the 5G ... -
A multi-cell multi-objective self-optimisation methodology based on genetic algorithms for wireless cellular networks
Sánchez González, Juan; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2013-07)
Article
Restricted access - publisher's policySelf-organising networks (SON) are seen as one of the hottest topics in telecommunication network research and development, eagerly awaited by network operators to achieve a reduction in operational expenditures. However, ... -
A near-optimum mac protocol based on the distributed queueing random access protocol (dqrap) for a cdma mobile communication system
Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon; Sallent Roig, Oriol (2000-09)
Article
Open AccessThis paper presents and analyses a new near– optimum random access protocol. The proposed access scheme is suitable for a CDMA environment and minimises the total number of spreading codes needed to achieve a certain ... -
A near-optimum MAC protocol based on the distributed queueing random access protocol (DQRAP) for a CDMA mobile communication system
Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon; Sallent Roig, Oriol (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-09)
Article
Open AccessThis paper presents and analyzes a new near-optimum medium access control (MAC) protocol. The proposed access scheme is suitable for a CDMA mobile communication environment, and keeps under control and upper bounded the ... -
A near-optimum medium access protocol based on the distributed queueing random access protocol (DQRAP) for a CDMA third generation mobile communication system
Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon; Sallent Roig, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 1999)
Conference report
Restricted access - publisher's policyThis paper presents and analyses a new near– optimum random access protocol. The proposed access scheme is suitable for a CDMA environment and minimises the total number of spreading codes needed to achieve a certain ... -
A new medium access protocol based on distributed queues for a CDMA environment
Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon; Sallent Roig, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 1999)
Conference report
Restricted access - publisher's policyThis paper presents and analyses a new stable near-optimum random access protocol. The proposed access scheme is adapted for being used in a CDMA environment. It is based on distributed queues and a collision resolution ... -
A new self-planning methodology based on signal quality and user traffic in Wi-Fi networks
Sánchez González, Juan; Pérez Romero, Jordi; Sallent Roig, Oriol (Springer, 2019)
Conference report
Open AccessWi-Fi networks have become one of the most popular technologies for the provisioning of multimedia services. Due to the exponential increase in the number of Access Points (AP) in these networks, the automation of the ... -
A novel approach for dynamic capacity sharing in multi-tenant scenarios
Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Conference lecture
Open AccessNetwork slicing is included as a key feature of the 5G architecture in order to simultaneously support diverse service types with heterogeneous requirements. The realization of network slicing in the Radio Access Network ... -
A novel autonomous RAT selection algorithm for non real time services
Pérez Romero, Jordi; Sallent Roig, Oriol (2009)
Conference report
Open AccessThis paper proposes a new solution for autonomous decision-making in the RAT selection process in multi-service multi-access network scenarios. It is based on exploiting the time dimension in the RAT selection, so that, ... -
A novel framework for dynamic spectrum management in multiCell OFDMA networks based on reinforcement learning
Bernardo Álvarez, Francisco; Agustí Comes, Ramon; Pérez Romero, Jordi; Sallent Roig, Oriol (2010)
Conference report
Open AccessIn this work the feasibility of Reinforcement Learning (RL) for Dynamic Spectrum Management (DSM) in the context of next generation multicell Orthogonal Frequency Division Multiple Access (OFDMA) networks is studied. ...