On dynamic time-division-duplex transmissions for small-cell networks

Ding, M; Lópéz-Pérez, D; Xue, R; Vasilakos, AV; Chen, W

On dynamic time-division-duplex transmissions for small-cell networks

Ding, M Lópéz-Pérez, D Xue, R Vasilakos, AV Chen, W

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Vehicular Technology, 2016, 65, (11), pp. 8933-8951
Issue Date:: 2016-11-01

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Field	Value	Language
dc.contributor.author	Ding, M
dc.contributor.author	Lópéz-Pérez, D
dc.contributor.author	Xue, R
dc.contributor.author	Vasilakos, AV
dc.contributor.author	Chen, W
dc.date.accessioned	2022-08-08T20:27:01Z
dc.date.available	2022-08-08T20:27:01Z
dc.date.issued	2016-11-01
dc.identifier.citation	IEEE Transactions on Vehicular Technology, 2016, 65, (11), pp. 8933-8951
dc.identifier.issn	0018-9545
dc.identifier.issn	1939-9359
dc.identifier.uri	http://hdl.handle.net/10453/159775
dc.description.abstract	Motivated by the promising benefits of dynamic time division duplex (TDD), in this paper, we use a unified framework to investigate both the technical issues of applying dynamic TDD in homogeneous small-cell networks (HomSCNs) and the feasibility of introducing dynamic TDD into heterogeneous networks (HetNets). First, HomSCNs are analyzed, and a small-cell base-station (BS) scheduler that dynamically and independently schedules downlink (DL) and uplink (UL) subframes is presented, such that load balancing between the DL and UL traffic can be achieved. Moreover, the effectiveness of various interlink interference mitigation (ILIM) schemes and their combinations is systematically investigated and compared. Moreover, the interesting possibility of partial interference cancelation (IC) is also explored. Second, based on the proposed schemes, the joint operation of dynamic TDD together with cell range expansion (CRE) and almost blank subframe (ABS) in HetNets is studied. In this regard, scheduling polices in small cells and an algorithm to derive the appropriate macrocell traffic offload and ABS duty cycle under dynamic TDD operation are proposed. Moreover, the full IC and the partial IC schemes are investigated for dynamic TDD in HetNets. The user-equipment (UE) packet throughput performance of the proposed/discussed schemes is benchmarked using system-level simulations.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Vehicular Technology
dc.relation.isbasedon	10.1109/TVT.2016.2519520
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	08 Information and Computing Sciences, 09 Engineering, 10 Technology
dc.subject.classification	Automobile Design & Engineering
dc.title	On dynamic time-division-duplex transmissions for small-cell networks
dc.type	Journal Article
utslib.citation.volume	65
utslib.for	08 Information and Computing Sciences
utslib.for	09 Engineering
utslib.for	10 Technology
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-08-08T20:26:59Z
pubs.issue	11
pubs.publication-status	Published
pubs.volume	65
utslib.citation.issue	11

Abstract:

Motivated by the promising benefits of dynamic time division duplex (TDD), in this paper, we use a unified framework to investigate both the technical issues of applying dynamic TDD in homogeneous small-cell networks (HomSCNs) and the feasibility of introducing dynamic TDD into heterogeneous networks (HetNets). First, HomSCNs are analyzed, and a small-cell base-station (BS) scheduler that dynamically and independently schedules downlink (DL) and uplink (UL) subframes is presented, such that load balancing between the DL and UL traffic can be achieved. Moreover, the effectiveness of various interlink interference mitigation (ILIM) schemes and their combinations is systematically investigated and compared. Moreover, the interesting possibility of partial interference cancelation (IC) is also explored. Second, based on the proposed schemes, the joint operation of dynamic TDD together with cell range expansion (CRE) and almost blank subframe (ABS) in HetNets is studied. In this regard, scheduling polices in small cells and an algorithm to derive the appropriate macrocell traffic offload and ABS duty cycle under dynamic TDD operation are proposed. Moreover, the full IC and the partial IC schemes are investigated for dynamic TDD in HetNets. The user-equipment (UE) packet throughput performance of the proposed/discussed schemes is benchmarked using system-level simulations.

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http://hdl.handle.net/10453/159775