1 Ocak 2021 Dergi makalesi Açık Erişim

Thet, Nann Win Moe; Ozdemir, Mehmet Kemal

Citation Style Language JSON

{
  "DOI": "10.1109/LWC.2021.3061779", 
  "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.", 
  "author": [
    {
      "family": "Thet", 
      "given": " Nann Win Moe"
    }, 
    {
      "family": "Ozdemir", 
      "given": " Mehmet Kemal"
    }
  ], 
  "container_title": "IEEE WIRELESS COMMUNICATIONS LETTERS", 
  "id": "231642", 
  "issue": "6", 
  "issued": {
    "date-parts": [
      [
        2021, 
        1, 
        1
      ]
    ]
  }, 
  "page": "1202-1206", 
  "title": "Partial-Beam Non-Orthogonal Multiple Access (PB-NOMA) With Fuzzy Clustering", 
  "type": "article-journal", 
  "volume": "10"
}