Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source

We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas,...
Ausführliche Beschreibung

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Autor*in:	Charalambous, Themistoklis [verfasserIn] Kim, Su Min [verfasserIn] Nomikos, Nikolaos [verfasserIn] Bengtsson, Mats [verfasserIn] Johansson, Mikael [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation

Übergeordnetes Werk:	Enthalten in: Ad hoc Networks - Amsterdam [u.a.] : Elsevier Science, 2003, 84, Seite 29-41
Übergeordnetes Werk:	volume:84 ; pages:29-41

DOI / URN:	10.1016/j.adhoc.2018.09.002

Katalog-ID:	ELV001382233

Internformat


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245	1	0	\|a Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
264		1	\|c 2018
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520			\|a We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements.
650		4	\|a Opportunistic relaying
650		4	\|a Buffer-aided relays
650		4	\|a Precoding
650		4	\|a Phase-alignment
650		4	\|a Interference cancellation
650		4	\|a Interference mitigation
700	1		\|a Kim, Su Min \|e verfasserin \|4 aut
700	1		\|a Nomikos, Nikolaos \|e verfasserin \|4 aut
700	1		\|a Bengtsson, Mats \|e verfasserin \|4 aut
700	1		\|a Johansson, Mikael \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Ad hoc Networks \|d Amsterdam [u.a.] : Elsevier Science, 2003 \|g 84, Seite 29-41 \|h Online-Ressource \|w (DE-627)37127642X \|w (DE-600)2121401-3 \|w (DE-576)255620896 \|x 1570-8705 \|7 nnns
773	1	8	\|g volume:84 \|g pages:29-41
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912			\|a GBV_ILN_2059
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912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
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912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
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912			\|a GBV_ILN_4393
936	b	k	\|a 54.32 \|j Rechnerkommunikation
936	b	k	\|a 53.74 \|j Hochfrequenztechnik \|j Funktechnik
951			\|a AR
952			\|d 84 \|h 29-41

Indexfelder

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matchkey_str	article:15708705:2018----::eapislcinnufriescesvopruitceaig
hierarchy_sort_str	2018
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publishDate	2018
allfields	10.1016/j.adhoc.2018.09.002 doi (DE-627)ELV001382233 (ELSEVIER)S1570-8705(18)30645-0 DE-627 ger DE-627 rda eng 004 DE-600 54.32 bkl 53.74 bkl Charalambous, Themistoklis verfasserin aut Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements. Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation Kim, Su Min verfasserin aut Nomikos, Nikolaos verfasserin aut Bengtsson, Mats verfasserin aut Johansson, Mikael verfasserin aut Enthalten in Ad hoc Networks Amsterdam [u.a.] : Elsevier Science, 2003 84, Seite 29-41 Online-Ressource (DE-627)37127642X (DE-600)2121401-3 (DE-576)255620896 1570-8705 nnns volume:84 pages:29-41 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_171 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 54.32 Rechnerkommunikation 53.74 Hochfrequenztechnik Funktechnik AR 84 29-41
spelling	10.1016/j.adhoc.2018.09.002 doi (DE-627)ELV001382233 (ELSEVIER)S1570-8705(18)30645-0 DE-627 ger DE-627 rda eng 004 DE-600 54.32 bkl 53.74 bkl Charalambous, Themistoklis verfasserin aut Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements. Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation Kim, Su Min verfasserin aut Nomikos, Nikolaos verfasserin aut Bengtsson, Mats verfasserin aut Johansson, Mikael verfasserin aut Enthalten in Ad hoc Networks Amsterdam [u.a.] : Elsevier Science, 2003 84, Seite 29-41 Online-Ressource (DE-627)37127642X (DE-600)2121401-3 (DE-576)255620896 1570-8705 nnns volume:84 pages:29-41 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_171 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 54.32 Rechnerkommunikation 53.74 Hochfrequenztechnik Funktechnik AR 84 29-41
allfields_unstemmed	10.1016/j.adhoc.2018.09.002 doi (DE-627)ELV001382233 (ELSEVIER)S1570-8705(18)30645-0 DE-627 ger DE-627 rda eng 004 DE-600 54.32 bkl 53.74 bkl Charalambous, Themistoklis verfasserin aut Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements. Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation Kim, Su Min verfasserin aut Nomikos, Nikolaos verfasserin aut Bengtsson, Mats verfasserin aut Johansson, Mikael verfasserin aut Enthalten in Ad hoc Networks Amsterdam [u.a.] : Elsevier Science, 2003 84, Seite 29-41 Online-Ressource (DE-627)37127642X (DE-600)2121401-3 (DE-576)255620896 1570-8705 nnns volume:84 pages:29-41 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_171 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 54.32 Rechnerkommunikation 53.74 Hochfrequenztechnik Funktechnik AR 84 29-41
allfieldsGer	10.1016/j.adhoc.2018.09.002 doi (DE-627)ELV001382233 (ELSEVIER)S1570-8705(18)30645-0 DE-627 ger DE-627 rda eng 004 DE-600 54.32 bkl 53.74 bkl Charalambous, Themistoklis verfasserin aut Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements. Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation Kim, Su Min verfasserin aut Nomikos, Nikolaos verfasserin aut Bengtsson, Mats verfasserin aut Johansson, Mikael verfasserin aut Enthalten in Ad hoc Networks Amsterdam [u.a.] : Elsevier Science, 2003 84, Seite 29-41 Online-Ressource (DE-627)37127642X (DE-600)2121401-3 (DE-576)255620896 1570-8705 nnns volume:84 pages:29-41 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_171 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 54.32 Rechnerkommunikation 53.74 Hochfrequenztechnik Funktechnik AR 84 29-41
allfieldsSound	10.1016/j.adhoc.2018.09.002 doi (DE-627)ELV001382233 (ELSEVIER)S1570-8705(18)30645-0 DE-627 ger DE-627 rda eng 004 DE-600 54.32 bkl 53.74 bkl Charalambous, Themistoklis verfasserin aut Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements. Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation Kim, Su Min verfasserin aut Nomikos, Nikolaos verfasserin aut Bengtsson, Mats verfasserin aut Johansson, Mikael verfasserin aut Enthalten in Ad hoc Networks Amsterdam [u.a.] : Elsevier Science, 2003 84, Seite 29-41 Online-Ressource (DE-627)37127642X (DE-600)2121401-3 (DE-576)255620896 1570-8705 nnns volume:84 pages:29-41 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_171 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 54.32 Rechnerkommunikation 53.74 Hochfrequenztechnik Funktechnik AR 84 29-41
language	English
source	Enthalten in Ad hoc Networks 84, Seite 29-41 volume:84 pages:29-41
sourceStr	Enthalten in Ad hoc Networks 84, Seite 29-41 volume:84 pages:29-41
format_phy_str_mv	Article
bklname	Rechnerkommunikation Hochfrequenztechnik Funktechnik
institution	findex.gbv.de
topic_facet	Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation
dewey-raw	004
isfreeaccess_bool	false
container_title	Ad hoc Networks
authorswithroles_txt_mv	Charalambous, Themistoklis @@aut@@ Kim, Su Min @@aut@@ Nomikos, Nikolaos @@aut@@ Bengtsson, Mats @@aut@@ Johansson, Mikael @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	37127642X
dewey-sort	14
id	ELV001382233
language_de	englisch
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author	Charalambous, Themistoklis
spellingShingle	Charalambous, Themistoklis ddc 004 bkl 54.32 bkl 53.74 misc Opportunistic relaying misc Buffer-aided relays misc Precoding misc Phase-alignment misc Interference cancellation misc Interference mitigation Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
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topic_title	004 DE-600 54.32 bkl 53.74 bkl Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source Opportunistic relaying Buffer-aided relays Precoding Phase-alignment Interference cancellation Interference mitigation
topic	ddc 004 bkl 54.32 bkl 53.74 misc Opportunistic relaying misc Buffer-aided relays misc Precoding misc Phase-alignment misc Interference cancellation misc Interference mitigation
topic_unstemmed	ddc 004 bkl 54.32 bkl 53.74 misc Opportunistic relaying misc Buffer-aided relays misc Precoding misc Phase-alignment misc Interference cancellation misc Interference mitigation
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title	Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
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title_full	Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
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author_browse	Charalambous, Themistoklis Kim, Su Min Nomikos, Nikolaos Bengtsson, Mats Johansson, Mikael
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author-letter	Charalambous, Themistoklis
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title_sort	relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
title_auth	Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
abstract	We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements.
abstractGer	We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements.
abstract_unstemmed	We study a cooperative network with a buffer-aided multi-antenna source, multiple half-duplex (HD) buffer-aided relays and a single destination. Such a setup could represent a cellular downlink scenario, in which the source can be a more powerful wireless device with a buffer and multiple antennas, while a set of intermediate less powerful devices are used as relays to reach the destination. The main target is to recover the multiplexing loss of the network by having the source and a relay to simultaneously transmit their information to another relay and the destination, respectively. Successive transmissions in such a cooperative network, however, cause inter-relay interference (IRI). First, by assuming global channel state information (CSI), we show that the detrimental effect of IRI can be alleviated by precoding at the source, mitigating or even fully cancelling the interference. A cooperative relaying policy is proposed that employs a joint precoding design and relay-pair selection. Note that both fixed rate and adaptive rate transmissions can be considered. For the case when channel state information is only available at the receiver side (CSIR), we propose a relay selection policy that employs a phase alignment technique to reduce the IRI. The performance of the two proposed relay pair selection policies are evaluated and compared with other state-of-the-art relaying schemes in terms of outage and throughput. The results show that the use of a powerful source can provide considerable performance improvements.
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title_short	Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source
remote_bool	true
author2	Kim, Su Min Nomikos, Nikolaos Bengtsson, Mats Johansson, Mikael
author2Str	Kim, Su Min Nomikos, Nikolaos Bengtsson, Mats Johansson, Mikael
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doi_str	10.1016/j.adhoc.2018.09.002
up_date	2024-07-06T21:11:01.698Z
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Relay-pair selection in buffer-aided successive opportunistic relaying using a multi-antenna source

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