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has been cited by the following article:

• TITLE: The Improvement of Relay Selection Schemes in Two-Hop Cellular Networks

  AUTHORS: Hua Wu

  KEYWORDS: Relay Selection, Cooperative Relaying, Amplify-and-Forward, Cellular Networks

  JOURNAL NAME: International Journal of Communications, Network and System Sciences, Vol.10 No.8B, August 14, 2017

  ABSTRACT: In wireless networks, cooperative relaying could improve throughput by exploiting diversity. In order to reduce the amount of feedback for the channel gain, a semi-distributed scheme based on the relay feasible condition is proposed. Each relay node can measure its backward and forward channel gains. If both the channel gains are larger than a pre-defined threshold, this relay node is feasible. The final decision on the best relay selection is still given by the base station. Besides, the switch-and-examine relay selection scheme, which selects the first feasible relay node, is also investigated. Simulation results are presented to illustrate the advantage of two proposed schemes.