Browsing by Author "Pérez Romero, Jordi"
Now showing items 21-40 of 227
-
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. ... -
A novel spectrum selection strategy for matching multi-service secondary traffic to heterogeneous primary spectrum opportunities
Bouali, Faouzi; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (IEEE, 2011)
Conference report
Restricted access - publisher's policyIn order to increase spectrum utilization efficiency, CRs (Cognitive Radios) have been introduced to reuse white spaces left unused by legacy services under the strict constraint of not interfering them. In this context, ... -
A real time emulator demonstrating advanced resource management solutions
Gelonch Bosch, Antonio José; Revés Ballesté, Xavier; Marojevic, Vuk; Nasreddine, Jad Nayef; Pérez Romero, Jordi; Sallent Roig, Oriol (2010-07)
Article
Restricted access - publisher's policy -
A roadmap from UMTS optimization to LTE self-optimization
Sallent Roig, Oriol; Pérez Romero, Jordi; Sánchez González, Juan; Agustí Comes, Ramon; Díaz Guerra, Miguel Angel; Henche, David; Paul, Daniel (2011-06)
Article
Restricted access - publisher's policySelf-Organizing Networks (SON) are currently being introduced by the 3rd Generation Partnership Project (3GPP) as part of the Long Term Evolution (LTE) system as a key driver for improving the operation of wireless networks. ... -
A robustness analysis of learning-based coexistence mechanisms for LTE-U operation in non-stationary conditions
Pérez Romero, Jordi; Sallent Roig, Oriol; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Restricted access - publisher's policyThe use of Long Term Evolution (LTE) in the unlicensed 5 GHz band, referred to as LTE-U, is a promising enhancement to increase the capacity of LTE networks and meet the requirements of future systems. This paper considers ... -
A rule-based solution search methodology for self-optimization in cellular networks
Sánchez González, Juan; Pérez Romero, Jordi; Sallent Roig, Oriol (2014-12-12)
Article
Restricted access - publisher's policyThis letter presents a rule-based solution search (RBSS) algorithm for self-optimization in a cellular network. It improves the solution search process of classical optimization methodologies by including a set of rules ... -
A self-organized spectrum assignment strategy in next generation OFDMA networks providing secondary spectrum access
Bernardo Álvarez, Francisco; Agustí Comes, Ramon; Pérez Romero, Jordi; Sallent Roig, Oriol (2009)
Conference report
Open AccessThis paper proposes a Self-organized Spectrum Assignment strategy in the context of next generation multicell Orthogonal Frequency Division Multiple Access networks. The proposed strategy is able to dynamically find ... -
A simple algorithm to distribute optimally a number of external base stations in a microcellular environment
Agustí Comes, Ramon; Monfort, Xavier Querol; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 1998)
Conference report
Open AccessA simple algorithm is proposed for the optimal distribution of a number of base stations in a microcellular environment. Criteria are defined in order to decide the combinations of antennas that should be tested, and a ... -
A solution framework to provide management services for wireless communications in the digital home
Ferrús Ferré, Ramón Antonio; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2012-11)
Article
Restricted access - publisher's policyThe future digital home (DH) is envisioned as a place where a plethora of diverse personal and machine-to-machine communications will coexist to support different applications in areas such as information and ... -
A Spectrum selection framework for opportunistic networks
Moessner, Klaus; Pérez Romero, Jordi; Sallent Roig, Oriol; Bouali, Faouzi; Sarvanko, Heli; Mustonen, Miia; Matinmikko, Marja; Lee, Haeyoung; Vahid, Seiamak (IIMC International Information Management Corporation Ltd, 2012)
Conference lecture
Open AccessThis paper presents a framework for including cognitive management functionalities in the spectrum selection process for Opportunistic Networks (ONs).The framework is based on a decision making functionality interacting ... -
A testbed platform to demonstrate spectrum selection in opportunistic networks
Raschellà, Alessandro; Umbert Juliana, Anna; Pérez Romero, Jordi; Sallent Roig, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyThis paper presents a testbed platform to demonstrate and validate spectrum opportunity identification and spectrum selection functionalities in Opportunistic Networks (ONs). The hardware component of the testbed is based ... -
A tutorial on the characterisation and modelling of low layer functional splits for flexible radio access networks in 5G and beyond
Pérez Romero, Jordi; Sallent Roig, Oriol; Gelonch Bosch, Antonio José; Gelabert Doran, Xavier; Klaiqi, Bleron; Kahn, Marcus; Campoy García, David (Institute of Electrical and Electronics Engineers (IEEE), 2023-10)
Article
Open AccessThe centralization of baseband (BB) functions in a radio access network (RAN) towards data processing centres is receiving increasing interest as it enables the exploitation of resource pooling and statistical multiplexing ... -
Admission control for multi-tenant radio access networks
Pérez Romero, Jordi; Sallent Roig, Oriol; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (2017)
Conference report
Restricted access - publisher's policyThe sharing of Radio Access Networks is gaining momentum in small cell scenarios, due to the associated reduction in capital and operational costs. In this scenario, the split of radio resources among tenants sharing the ... -
Advanced spectrum management for the downlink of WCDMA systems using genetic algorithms
Nasreddine, Jad Nayef; Pérez Romero, Jordi; Sallent Roig, Oriol (2009)
Conference report
Open AccessIn this paper, we propose an advanced spectrum management approach for the downlink of WCDMA systems using genetic algorithms and the concept of coupling matrix, which is able to capture inter-cell interactions. Simulation ... -
AI-powered edge computing evolution for beyond 5G communication networks
Kartsakli, Elli; Pérez Romero, Jordi; Sallent Roig, Oriol; Bartzoudis, Nikolaos; Frascolla, Valerio; Mohalik, Swarup Kumar; Metsch, Thijs; Antonopoulos, Angelos; Tuna, Ömer Faruk; Deng, Yansha; Tao, Xin; Serrano, Maria A.; Quiñones Moreno, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Conference report
Open AccessEdge computing is a key enabling technology that is expected to play a crucial role in beyond 5G (B5G) and 6G communication networks. By bringing computation closer to where the data is generated, and leveraging Artificial ... -
An adaptive ISMA-DS/CDMA MAC protocol for third-generation mobile communications systems
Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, Oriol (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-11)
Article
Open AccessIn this paper, an inhibit sense multiple access–direct sequence/code division multiple access (ISMA-DS/CDMA) medium access control protocol for a packet transmission mobile radio network is presented. The main feature ... -
An analytical model for multi-tenant radio access networks supporting guaranteed bit rate services
Vilà Muñoz, Irene; Sallent Roig, Oriol; Umbert Juliana, Anna; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
Article
Open AccessNetwork slicing is a key feature of forthcoming fifth generation (5G) systems to facilitate the partitioning of the network into multiple logical networks customized according to different business and application needs. ... -
An application of reinforcement learning for efficient spectrum usage in next-generation mobile cellular networks
Bernardo Álvarez, Francisco; Agustí Comes, Ramon; Pérez Romero, Jordi; Sallent Roig, Oriol (2010-07)
Article
Open AccessThis paper proposes reinforcement learning as a foundational stone of a framework for efficient spectrum usage in the context of nextgeneration mobile cellular networks. The objective of the framework is to efficiently use ... -
An efficient mode selection for improving resource utilization in sidelink V2X cellular networks
Albonda, Haider Daami R.; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policySidelink (SL) communication underlying cellular networks is a new paradigm that has been proposed to enhance the performance of cellular networks and support vehicle-to-everything (V2X) communications that enable vehicles ... -
An efficient RAN slicing strategy for a heterogeneous network with eMBB and V2X services
Resin Albonda, Haider D.; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019-03)
Article
Open AccessEmerging 5G wireless technology will support services and use cases with vastly heterogeneous requirements. Network slicing, which allows composing multiple dedicated logical networks with specific functionality running ...