Argos: Practical Many-Antenna MU-MIMO Systems

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dc.contributor.advisorZhong, Lin
dc.creatorShepard, Clayton W
dc.date.accessioned2019-05-16T20:56:13Z
dc.date.available2019-05-16T20:56:13Z
dc.date.created2017-12
dc.date.issued2018-01-09
dc.date.submittedDecember 2017
dc.date.updated2019-05-16T20:56:14Z
dc.description.abstractMany-antenna MU-MIMO, or "massive" MIMO at large scale, is a key candidate technology for next-generation wireless systems. However, from a practical design perspective scaling up MU-MIMO presents a number of unique challenges and opportunities. To efficiently utilize computational, power, and channel resources requires a complete redesign of many aspects of traditional MIMO systems, particularly the base station architecture and control channel. Furthermore, mobility fundamentally limits the capacity of many-antenna MU-MIMO systems, thus to efficiently realize practical many-antenna MU-MIMO systems requires performance modeling and testing in real-world environments. This thesis presents a novel scalable many-antenna base station architecture and control channel design, which are implemented and tested on three generations of large-scale custom built hardware platforms. We derive a theoretical model of many-antenna MU-MIMO system performance in real-world environments, accounting for hardware capabilities and channel estimation overhead. Leveraging these many-antenna MU-MIMO platforms, we conducted a comprehensive channel measurement campaign, spanning the UHF, 2.4 GHz, and 5 GHz bands, with varying degrees of mobility. Based on these measurements, we implement a mobility-aware MU-MIMO channel sounding system, which is able to virtually eliminate overhead from unnecessary channel sounding. Combined, these innovations enable many-antenna MU-MIMO systems to be efficiently implemented in real-world environments with mobility.
dc.format.mimetypeapplication/pdf
dc.identifier.citationShepard, Clayton W. "Argos: Practical Many-Antenna MU-MIMO Systems." (2018) Diss., Rice University. <a href="https://hdl.handle.net/1911/105558">https://hdl.handle.net/1911/105558</a>.
dc.identifier.urihttps://hdl.handle.net/1911/105558
dc.language.isoeng
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.subjectArgos
dc.subjectMU-MIMO
dc.subjectbeamforming
dc.subjectmassive MIMO
dc.subjectMIMO
dc.subjectwireless
dc.subjectcontrol channel
dc.subjectmobility
dc.subjectmeasurements
dc.titleArgos: Practical Many-Antenna MU-MIMO Systems
dc.typeThesis
dc.type.materialText
thesis.degree.departmentElectrical and Computer Engineering
thesis.degree.disciplineEngineering
thesis.degree.grantorRice University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy
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