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Wireless Personal Communications

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11-12-2019

Multi-RAT Aggregation Through Spectrum Reallocation for Future Wireless Networks

Authors: Apostolos Galanopoulos, Fotis Foukalas, Theodoros A. Tsiftsis

Published in: Wireless Personal Communications | Issue 3/2020

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Abstract

Next generation wireless networks are becoming the main focus of the industry by putting efforts to launch beyond 4G (i.e. 5G) communication systems by 2020. Towards the 5G-system vision, the efficient spectrum aggregation by integrating multiple radio access technologies (multi-RAT) is one of the enablers to achieve the highest data rates. To this end, a multi-RAT aggregation is envisioned that can be provided using the spectrum reallocation technique. Spectrum reallocation among multi-RATs can provide spectrum opportunities for aggregation and, thus, the overall spectrum utilization and network capacity increase. Maintaining an optimum quality of experience (QoE) for users of different RATs in such an extremely complex network environment can be facilitated by such a multi-RAT aggregation (spectrum aggregation from different RATs), through spectrum reallocation. To this end, both network and functional architectures are specified and spectrum assignment solutions are proposed in this article. The goal is to efficiently increase the data rates supporting a required QoE for all users.

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Title: Multi-RAT Aggregation Through Spectrum Reallocation for Future Wireless Networks
Authors: Apostolos Galanopoulos
Fotis Foukalas
Theodoros A. Tsiftsis
Publication date: 11-12-2019
Publisher: Springer US
Published in: Wireless Personal Communications / Issue 3/2020
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI: https://doi.org/10.1007/s11277-019-06939-1

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