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Downlink radio resource allocation for coordinated cellular OFDMA networks

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Downlink radio resource allocation for coordinated cellular OFDMA networks

dc.contributor.author	Li, Jingya
dc.contributor.author	Xu, Xiaodong
dc.contributor.author	Chen, Xin
dc.contributor.author	Tao, Xiaofeng
dc.contributor.author	Zhang, Hui
dc.contributor.author	Svensson, Tommy
dc.contributor.author	Botella Mascarell, Carmen
dc.date.accessioned	2021-09-13T13:15:17Z
dc.date.available	2021-09-13T13:15:17Z
dc.date.issued	2010
dc.identifier.citation	Li, Jingya Xu, Xiaodong Chen, Xin Tao, Xiaofeng Zhang, Hui Svensson, Tommy Botella Mascarell, Carmen 2010 Downlink radio resource allocation for coordinated cellular OFDMA networks IEICE Transactions on Communications E93.B 12 3480 3488
dc.identifier.uri	https://hdl.handle.net/10550/80297
dc.description.abstract	Base station coordination is considered as a promising technique to mitigate inter-cell interference and improve the cell-edge performance in cellular orthogonal frequency division multiple-access (OFDMA) networks. The problem to design an efficient radio resource allocation scheme for coordinated cellular OFDMA networks incorporating base station coordination has been only partially investigated. In this contribution, a novel radio resource allocation algorithm with universal frequency reuse is proposed to support base station coordinated transmission. Firstly, with the assumption of global coordination between all base station sectors in the network, a coordinated subchannel assignment algorithm is proposed. Then, by dividing the entire network into a number of disjoint coordinated clusters of base station sectors, a reduced-feedback algorithm for subchannel assignment is proposed for practical use. The utility function based on the user average throughput is used to balance the efficiency and fairness of wireless resource allocation. System level simulation results demonstrate that the reduced-feedback subchannel assignment algorithm significantly improves the cell-edge average throughput and the fairness index of users in the network, with acceptable degradation of cell-average performance.
dc.language.iso	eng
dc.relation.ispartof	IEICE Transactions on Communications, 2010, vol. E93.B, num. 12, p. 3480-3488
dc.subject	Telecomunicació
dc.subject	Comunicació i tecnologia
dc.title	Downlink radio resource allocation for coordinated cellular OFDMA networks
dc.type	journal article	es_ES
dc.date.updated	2021-09-13T13:15:17Z
dc.identifier.doi	10.1587/transcom.E93.B.3480
dc.identifier.idgrec	120249
dc.rights.accessRights	open access	es_ES