1 Ocak 2021 Dergi makalesi Açık Erişim

Thet, Nann Win Moe; Ozdemir, Mehmet Kemal

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/231642</identifier>
  <creators>
    <creator>
      <creatorName>Thet, Nann Win Moe</creatorName>
      <givenName>Nann Win Moe</givenName>
      <familyName>Thet</familyName>
      <affiliation>Istanbul Medipol Univ, Sch Engn &amp; Nat Sci, TR-34810 Istanbul, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Ozdemir, Mehmet Kemal</creatorName>
      <givenName>Mehmet Kemal</givenName>
      <familyName>Ozdemir</familyName>
      <affiliation>Istanbul Medipol Univ, Sch Engn &amp; Nat Sci, TR-34810 Istanbul, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Partial-Beam Non-Orthogonal Multiple Access (Pb-Noma) With Fuzzy Clustering</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2021</publicationYear>
  <dates>
    <date dateType="Issued">2021-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/231642</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1109/LWC.2021.3061779</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
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  <descriptions>
    <description descriptionType="Abstract">This letter proposes a partial-beam non-orthogonal multiple access (PB-NOMA) system for millimeter wave (mmWave) channels. In the proposed system, the user terminals (UT)s partially belong to different user groups and power-domain partial NOMA (P-NOMA) technique is exploited in their allocated spectrum. While an individual beam serves the UTs in one group, the UTs in the same group, including the overlapped beam UTs, employ the P-NOMA scheme. Overlapped beam UTs are present when two near UTs are closely correlated and when they are equally belonging to two user groups. Fuzzy C-means (FCM) clustering method, which considers the channel correlation coefficient as a similarity measure, is proposed to group the users. Then, user pairing is performed based on the channel gain differences and fuzzy membership values. Simulation results reveal that the sum-rate performance of the proposed PB-NOMA scheme with fuzzy clustering is shown to be better than that of the conventional P-NOMA systems by adjusting overlapped beam ratio (OBR) and lower near UT overlap ratio (NOR) in a preferable group.</description>
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