Network MIMO for downlink in-band relay transmissions with relaying phases of fixed duration

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions
dc.contributor.author	Agustín de Dios, Adrián
dc.contributor.author	Vidal Manzano, José
dc.contributor.author	Lagén Morancho, Sandra
dc.contributor.author	Valera, Eduard
dc.date	2011
dc.identifier.citation	Agustin, A. [et al.]. Network MIMO for downlink in-band relay transmissions with relaying phases of fixed duration. A: European Signal Processing Conference. "EUSIPCO 2011: 19th European Signal Processing Conference". Barcelona: 2011, p. 1819-1823.
dc.identifier.citation	2076-1465
dc.identifier.uri	http://hdl.handle.net/2117/15633
dc.language.iso	eng
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
dc.subject	Radio relay systems
dc.subject	MIMO technology
dc.subject	Senyal, Teoria del (Telecomunicació)
dc.title	Network MIMO for downlink in-band relay transmissions with relaying phases of fixed duration
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	A half-duplex relay station (RS)-based cellular system deployment is considered, where multiple base stations (BS) cooperate in the BS-RS in-band transmission for the downlink. The duration of the relay-receive and the relay-transmit phases are fixed beforehand, so that the interference induced by other cells is stationary during a transmission interval. With the optimization of the precoders and powers allocated to the wireless backhaul (relay-receive phase)and to the RS-MS access (relay-transmit phase), it is possible to exploit the benefits of network-MIMO (N-MIMO) along with combating the pathloss and shadowing effects thanks to the RSs. Consequently, an appealing significant enhanced spectral efficiency, power efficiency and coverage homogeneity are obtained. Results are benchmarked to the case where the relay phases are optimized.
dc.description.abstract	Peer Reviewed

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