Multiuser Diversity Gain in Cognitive Networks

  title={Multiuser Diversity Gain in Cognitive Networks},
  author={Ali Tajer and Xiaodong Wang},
  journal={IEEE/ACM Transactions on Networking},
Dynamic allocation of resources to the best link in large multiuser networks offers considerable improvement in spectral efficiency. This gain, often referred to as multiuser diversity gain, can be cast as double-logarithmic growth of the network throughput with the number of users. In this paper, we consider large cognitive networks granted concurrent spectrum access with license-holding users. The primary network affords to share its underutilized spectrum bands with the secondary users. We… CONTINUE READING
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