Generalized hybrid beamforming for vehicular connectivity using THz massive MIMO

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dc.contributor.authorBusari, Sherif Adeshina
dc.contributor.authorHuq, Kazi Mohammed Saidul
dc.contributor.authorMumtaz, Shahid
dc.contributor.authorRodriguez, Jonathan
dc.contributor.authorFang, Yi
dc.contributor.authorSicker, Douglas C.
dc.contributor.authorAl-Rubaye, Saba
dc.contributor.authorTsourdos, Antonios
dc.date.accessioned2019-07-23T15:03:48Z
dc.date.available2019-07-23T15:03:48Z
dc.date.issued2019-06-07
dc.description.abstractHybrid beamforming (HBF) array structure has been extensively demonstrated as the practically-feasible architecture for massive MIMO. From the perspectives of spectral efficiency (SE), energy efficiency (EE), cost and hardware complexity, HBF strikes a balanced performance tradeoff when compared to the fully-analog and the fully-digital implementations. Using the HBF architecture, it is possible to realize three different subarray structures, specifically the fully-connected, the sub-connected and the overlapped subarray structures. This paper presents a novel generalized framework for the design and performance analysis of the HBF architecture. A parameter, known as the subarray spacing, is introduced such that varying its value leads to the different subarray configurations and the consequent changes in system performance. Using a realistic power consumption model, we investigate the performance of the generalized HBF array structure in a cellular infrastructure-to-everything (C-I2X) application scenario (involving pedestrian and vehicular users) using the single-path terahertz (THz) channel model. Simulation results are provided for the comparative performance analysis of the different subarray structures. The results show that the overlapped subarray implementation maintains a balanced tradeoff in terms of SE, EE and hardware cost when compared to the popular fully-connected and the sub-connected structures. The overlapped subarray structure, therefore, offers promising potentials for the beyond-5G networks employing THz massive MIMO to deliver ultra-high data rates whilst maintaining a balance in the EE of the network.en_UK
dc.identifier.citationBusari SA, Haq KMS, Mumtaz S, Rodriguez J, Fang Y, Sicker DC, Al-Rubaye S and Tsourdos A., Generalized hybrid beamforming for vehicular connectivity using THz massive MIMO. IEEE Transactions on Vehicular Technology, Early online, June 2019en_UK
dc.identifier.cris23635277
dc.identifier.issn0018-9545
dc.identifier.urihttps://doi.org/10.1109/TVT.2019.2921563
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14384
dc.language.isoenen_UK
dc.publisherIEEEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectMIMO communicationen_UK
dc.subjectArray signal processingen_UK
dc.subjectPower demanden_UK
dc.subjectAntenna arrayen_UK
dc.subjectRadio frequencyen_UK
dc.subjectHardwareen_UK
dc.subjectComplexity theoryen_UK
dc.subjectHybrid beamformingen_UK
dc.subjectB5Gen_UK
dc.subjectC-12Xen_UK
dc.subjectMassive MIMOen_UK
dc.subjectTerahertzen_UK
dc.subjectV2Xen_UK
dc.titleGeneralized hybrid beamforming for vehicular connectivity using THz massive MIMOen_UK
dc.typeArticleen_UK

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