User Selection Method Adopting Cross-Entropy Method for a Downlink Multiuser MIMO System
DC Field | Value | Language |
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dc.contributor.author | Kim, Kyunghoon | - |
dc.contributor.author | Yang, Hyunwook | - |
dc.contributor.author | Choi, Seungwon | - |
dc.date.accessioned | 2022-07-16T06:27:54Z | - |
dc.date.available | 2022-07-16T06:27:54Z | - |
dc.date.created | 2021-05-12 | - |
dc.date.issued | 2014-01 | - |
dc.identifier.issn | 0929-6212 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160919 | - |
dc.description.abstract | This letter presents a novel method of user selection in a downlink multi-user multiple input multiple output (MU-MIMO) system employing the precoding procedures of zero forcing or block diagonalization (BD). The proposed technique utilizes the cross-entropy method (CEM) in order to maintain a performance level comparable to that of the full search (FS) method with reasonable complexity. With the CEM, the proposed system can select multiple users at once instead of selecting a single user at each step. From various computer simulations, it has been verified that the proposed method exhibits nearly 98 % of the sum-rate compared to the FS method, which implies that the proposed method far outperforms conventional methods such as semi-orthogonal user selection (SUS) or the capacity-based suboptimal user selection (CBSUS) algorithm. Compared to CBSUS, the proposed technique enhances the sum-rate by approximately 1.1 bps/Hz with about half the complexity when each user is equipped with two receiving antennas. In the case where each user is equipped with a single antenna, the proposed method outperforms the method of SUS by about 0.3 bps/Hz, at the expense of a complexity increase of times. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | SPRINGER | - |
dc.title | User Selection Method Adopting Cross-Entropy Method for a Downlink Multiuser MIMO System | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Choi, Seungwon | - |
dc.identifier.doi | 10.1007/s11277-013-1321-7 | - |
dc.identifier.scopusid | 2-s2.0-84895060019 | - |
dc.identifier.wosid | 000329944800036 | - |
dc.identifier.bibliographicCitation | WIRELESS PERSONAL COMMUNICATIONS, v.74, no.2, pp.789 - 802 | - |
dc.relation.isPartOf | WIRELESS PERSONAL COMMUNICATIONS | - |
dc.citation.title | WIRELESS PERSONAL COMMUNICATIONS | - |
dc.citation.volume | 74 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 789 | - |
dc.citation.endPage | 802 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Telecommunications | - |
dc.relation.journalWebOfScienceCategory | Telecommunications | - |
dc.subject.keywordPlus | MU-MIMO | - |
dc.subject.keywordPlus | User selection | - |
dc.subject.keywordPlus | Cross entropy method | - |
dc.subject.keywordPlus | Sum-rate | - |
dc.subject.keywordPlus | Complexity | - |
dc.subject.keywordAuthor | MU-MIMO | - |
dc.subject.keywordAuthor | User selection | - |
dc.subject.keywordAuthor | Cross entropy method | - |
dc.subject.keywordAuthor | Sum-rate | - |
dc.subject.keywordAuthor | Complexity | - |
dc.identifier.url | https://link.springer.com/article/10.1007/s11277-013-1321-7?utm_source=getftr&utm_medium=getftr&utm_campaign=getftr_pilot | - |
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