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최진석

Choi, Jinseok
Intelligent Wireless Communications Lab.
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dc.citation.conferencePlace US -
dc.citation.conferencePlace Kansas City -
dc.citation.title IEEE International Conference on Communications -
dc.contributor.author Choi, Jinseok -
dc.contributor.author Evans, Brian L. -
dc.date.accessioned 2023-12-19T15:49:29Z -
dc.date.available 2023-12-19T15:49:29Z -
dc.date.created 2020-10-26 -
dc.date.issued 2018-05-22 -
dc.description.abstract In millimeter wave (mmWave) systems, we investigate uplink user scheduling when a basestation employs low-resolution analog-to-digital converters (ADCs) with a large number of antennas. To reduce power consumption in the receiver, low-resolution ADCs can be a potential solution for mmWave systems in which many antennas are likely to be deployed to compensate for the large path loss. Due to quantization error, we show that the channel structure in the beamspace, in addition to the channel magnitude and beamspace orthogonality, plays a key role in maximizing the achievable rates of scheduled users. Consequently, we derive the optimal criteria with respect to the channel structure in the beamspace that maximizes the uplink sum rate for multi- user multiple input multiple output (MIMO) systems with a zero-forcing receiver. Leveraging the derived criteria, we propose an efficient scheduling algorithm for mmWave systems with low-resolution ADCs. Numerical results validate that the proposed algorithm outperforms conventional user scheduling methods in terms of the sum rate. © 2018 IEEE. -
dc.identifier.bibliographicCitation IEEE International Conference on Communications -
dc.identifier.doi 10.1109/ICC.2018.8422809 -
dc.identifier.issn 1550-3607 -
dc.identifier.scopusid 2-s2.0-85051444993 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/48716 -
dc.identifier.url https://ieeexplore.ieee.org/document/8422809 -
dc.language 영어 -
dc.publisher Institute of Electrical and Electronics Engineers Inc. -
dc.title User Scheduling for Millimeter Wave MIMO Communications with Low-Resolution ADCs -
dc.type Conference Paper -
dc.date.conferenceDate 2018-05-20 -

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