Corpus ID: 146808461

On Clustering and Channel Disparity in Non-Orthogonal Multiple Access (NOMA)

  title={On Clustering and Channel Disparity in Non-Orthogonal Multiple Access (NOMA)},
  author={K. Ali and Mohamed-Slim Alouini and E. Hossain and M. J. Hossain},
Non-orthogonal multiple access (NOMA) allows multiple users to share a time-frequency resource block by using different power levels. An important challenge associated with NOMA is the selection of users that share a resource block. This is referred to as clustering, which generally exploits the channel disparity (i.e. distinctness) among the users. We discuss clustering and the related resource allocation challenges (e.g. power allocation) associated with NOMA and highlight open problems that… Expand
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