Browsing by Author "Sallent Roig, José Oriol"
Now showing items 21-40 of 175
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An application of reinforcement learning for efficient spectrum usage in next-generation mobile cellular networks
(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 ... -
A near-optimum MAC protocol based on the distributed queueing random access protocol (DQRAP) for a CDMA mobile communication system
(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 mac protocol based on the distributed queueing random access protocol (dqrap) for a cdma mobile communication system
(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 medium access protocol based on the distributed queueing random access protocol (DQRAP) for a CDMA third generation mobile communication system
(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 ... -
An efficient data transmission policy in an integrated voice-data ds-cdma network
(IEEE Vehicular Technology Society, 1998)
Conference report
Open AccessCDMA schemes appear to be promising access techniques for coping with the requirements of third-generation mobile systems, mainly because of their flexibility. This paper proposes an adaptive S-ALOHA DS-CDMA access scheme ... -
An emulator framework for a new radio resource management for QoS guaranteed services in W-CDMA
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-10)
Article
Open AccessIn the context of third-generation (3G) systems a mix of services with different requirements are expected. Consequently, packet scheduling mechanisms for quality of service (QoS) guarantees will play a key role. This paper ... -
A new medium access protocol based on distributed queues for a CDMA environment
(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 ... -
An experimental assessment of channel selection in cognitive radio networks
(Springer, 2018)
Conference report
Open AccessThe management of future networks is expected to fully exploit cognitive capabilities that embrace knowledge and intelligence, increasing the degree of automation, making the network more self-autonomous and enabling a ... -
A novel autonomous RAT selection algorithm for non real time services
(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
(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 MAC protocol based on distributed queues for CDMA communication systems
(1999)
Conference report
Open AccessThis paper presents and analyses a new near-optimum medium access control (MAC) protocol. The proposed access scheme is suitable for a CDMA mobile communication environment and minimises the total number of spreading codes ... -
A novel spectrum selection strategy for matching multi-service secondary traffic to heterogeneous primary spectrum opportunities
(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 proposal for an adaptive s-aloha access system for a mobile cdma environment
(1998-08)
Article
Open AccessThis paper presents a novel adaptive direct-sequence code-division multiple-access (DS-CDMA) slotted-ALOHA (S-ALOHA) packet random-access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving ... -
A proposal for an adaptive S-ALOHA access system for a mobile CDMA environment
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-08)
Article
Open AccessThis paper presents a novel adaptive direct-sequence code-division multiple-access (DS-CDMA) slotted-ALOHA (S-ALOHA) packet random-access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving ... -
A real time emulator demonstrating advanced resource management solutions
(2010-07)
Article
Restricted access - publisher's policy -
A roadmap from UMTS optimization to LTE self-optimization
(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
(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 ... -
Artificial intelligence-based 5G network capacity planning and operation
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Restricted access - publisher's policyThe highly demanding requirements envisaged for future 5G networks together with the required support of new customers from vertical industries (e.g. e-health, automotive, energy) pose a big challenge for operators ... -
A rule-based solution search methodology for self-optimization in cellular networks
(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
(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 ...
