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2019 | OriginalPaper | Buchkapitel

Performance Analysis of Energy-Efficient Cell Switch off Scheme for CoMP Networks

verfasst von : Fei Ding, Yan Lu, Jialu Li, Ruoyu Su, Dengyin Zhang, Hongbo Zhu

Erschienen in: Artificial Intelligence for Communications and Networks

Verlag: Springer International Publishing

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Abstract

In this paper, a joint power and subcarrier optimization problem to minimize the network energy consumption with considerations of dynamic Coordinated Multipoint Transmission (CoMP) clustering, user quality of service (QoS) requirement and base station (BS) load is formulated for cell switch off in CoMP transmission scenario. Since the complexity of such optimization problem is prohibitive in practical application, following the manner of dynamic programming (DP), the original problem is decomposed to a sequence of sub-problems on cell switch off with dynamic CoMP clustering and system transmit power optimization. Then the Cluster Load Search, User Sum SINR and Cell Sum Load Based Clustering Schemes are proposed for cell switch off evaluation. The simulation results show that the proposed schemes achieve competitive network energy-efficient performance compared with benchmark optimization scheme while at the same time save up to 40% of the overall overhead.

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Metadaten
Titel
Performance Analysis of Energy-Efficient Cell Switch off Scheme for CoMP Networks
verfasst von
Fei Ding
Yan Lu
Jialu Li
Ruoyu Su
Dengyin Zhang
Hongbo Zhu
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-22968-9_50