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Power allocation for two-cell two-user joint transmission

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Power allocation for two-cell two-user joint transmission

dc.contributor.author	Li, Jingya
dc.contributor.author	Eriksson, Thomas
dc.contributor.author	Svensson, Tommy
dc.contributor.author	Botella Mascarell, Carmen
dc.date.accessioned	2021-09-01T14:03:24Z
dc.date.available	2021-09-01T14:03:24Z
dc.date.issued	2012
dc.identifier.citation	Li, Jingya Eriksson, Thomas Svensson, Tommy Botella Mascarell, Carmen 2012 Power allocation for two-cell two-user joint transmission IEEE Communications Letters 16 9 1474 1477
dc.identifier.uri	https://hdl.handle.net/10550/80182
dc.description.abstract	In this paper, we develop a power allocation scheme for the downlink of a two-cell two-user joint transmission system. The objective is to maximize the sum rate under per-cell power constraints. We study a worst case scenario where the carrier phases between the two base stations are un-synchronized, so that joint transmission must be performed without precoding. The derived power allocation scheme is remarkably simple, i.e., each cell transmits with full power to only one user. Note that joint transmission is still possible, when two cells select the same user for data transmission. Moreover, we prove that, in this scenario, the joint transmission case happens with higher probability when the maximum transmit power is high, or the two users are in the overlapped cell-edge area.
dc.language.iso	eng
dc.relation.ispartof	IEEE Communications Letters, 2012, vol. 16, num. 9, p. 1474-1477
dc.subject	Comunicació i tecnologia
dc.subject	Telecomunicació
dc.title	Power allocation for two-cell two-user joint transmission
dc.type	journal article	es_ES
dc.date.updated	2021-09-01T14:03:25Z
dc.identifier.doi	10.1109/LCOMM.2012.072012.121096
dc.identifier.idgrec	083978
dc.rights.accessRights	open access	es_ES