Minimum number of antennas and degrees of freedom of multiple-input-multiple-output multi-user two-way relay X channels
DC Field | Value | Language |
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dc.contributor.author | Kim, Tae-Hoon | - |
dc.contributor.author | Jin, Dong-Sup | - |
dc.contributor.author | Kim, Jaehong | - |
dc.contributor.author | No, Jong-Seon | - |
dc.contributor.author | Chung, Habong | - |
dc.date.available | 2020-07-10T07:21:59Z | - |
dc.date.created | 2020-07-06 | - |
dc.date.issued | 2015-03-05 | - |
dc.identifier.issn | 1751-8628 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/10098 | - |
dc.description.abstract | In this study, the minimum number of antennas at each user is derived to obtain 2M(2) degrees of freedom (DOF) in the M x 1 x M multiple-input-multiple-output (MIMO) multi-user two-way relay X channels. Based on the design of beamforming vectors for the conventional signal space alignment scheme, it is shown that each user needs at least remvoeM(2)- (M/2) antennas to obtain DOF 2M(2) with the relay having M-2 antennas. As the number of users increases, the number of antennas also increases, which makes the implementation difficult. In an effort to reduce the number of antennas, the authors propose a new beamforming scheme of MIMO multi-user two-way relay X channels using the time extension. Through the numerical analysis, it is confirmed that the proposed scheme with time extension is a good alternative scheme to replace the conventional scheme. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | INST ENGINEERING TECHNOLOGY-IET | - |
dc.subject | INTERFERENCE ALIGNMENT | - |
dc.title | Minimum number of antennas and degrees of freedom of multiple-input-multiple-output multi-user two-way relay X channels | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Chung, Habong | - |
dc.identifier.doi | 10.1049/iet-com.2014.0714 | - |
dc.identifier.scopusid | 2-s2.0-84924444403 | - |
dc.identifier.wosid | 000350808000016 | - |
dc.identifier.bibliographicCitation | IET COMMUNICATIONS, v.9, no.4, pp.568 - 575 | - |
dc.relation.isPartOf | IET COMMUNICATIONS | - |
dc.citation.title | IET COMMUNICATIONS | - |
dc.citation.volume | 9 | - |
dc.citation.number | 4 | - |
dc.citation.startPage | 568 | - |
dc.citation.endPage | 575 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Electrical & Electronic | - |
dc.subject.keywordPlus | INTERFERENCE ALIGNMENT | - |
dc.subject.keywordAuthor | antenna arrays | - |
dc.subject.keywordAuthor | relay networks (telecommunication) | - |
dc.subject.keywordAuthor | array signal processing | - |
dc.subject.keywordAuthor | numerical analysis | - |
dc.subject.keywordAuthor | numerical analysis | - |
dc.subject.keywordAuthor | conventional signal space alignment scheme | - |
dc.subject.keywordAuthor | beamforming vectors | - |
dc.subject.keywordAuthor | MIMO multiuser two-way relay X channels | - |
dc.subject.keywordAuthor | DOF | - |
dc.subject.keywordAuthor | degree-of-freedom | - |
dc.subject.keywordAuthor | multiple-input multiple-output multiuser two-way relay X channels | - |
dc.subject.keywordAuthor | antenna number reduction | - |
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